This website is biased toward ReShiki, because its maintainer also maintains ReShiki. Please be careful.
Formula and mass
Molecular formula and mass are computed.
97 tools have this, 43 of them shown here. 16 do not. 15 not established.
What powers it: In-house (6), Indigo (WebAssembly); RDKit.js (WebAssembly mass descriptors) (2), RDKit (Python) (2), Ported from RDKit (Rust) (1), In-house browser JavaScript formula/mass calculation; Indigo 1.46.0 browser WebAssembly calculations (1), RDKit Descriptors (C++) (1), Indigo (WebAssembly), with In-house (TypeScript fragment and polymer aggregation) (1), In-house (TypeScript live formula and mass) + RDKit MinimalLib (WebAssembly analysis) (1), Indigo (WebAssembly); RDKit.js (WebAssembly, fragment masses) with In-house formula assembly (1), In-house formula.js formula, molecular weight and exact mass calculations (JavaScript; inspector Web Worker) (1), In-house JavaScript atom counting and mass calculation using IUPAC/NIST atomic-weight/isotope data (1), Indigo 1.45.1 (WebAssembly via Ketcher calculate); OpenChemLib JS 9.25.0 fallback; CACTUS and PubChem remote HTTP fallbacks; In-house rough estimate as final fallback (1), RDKit MinimalLib 2026.9.1 (WebAssembly atomic masses and molecular descriptors); In-house (TypeScript Hill formula from RDKit JSON) (1), Indigo (WebAssembly via ketcher-standalone) (1), In-house (chematic-core and chematic-chem, Rust/WebAssembly) (1), PubChem web service (formula/mass record lookup via site server proxy) (1), Indigo (WebAssembly in Ketcher Calculate dialog; separate live-property-strip server engine undisclosed) (1), RDKit (Python bindings, local server) (1), RDKit (Python rdMolDescriptors and periodic table) (1), OpenChemLib (browser JavaScript Molecule.getMolecularFormula, formula and absoluteWeight) (1), OpenChemLib (JavaScript npm package) (1), RDKit native Python bindings (Descriptors and rdMolDescriptors); In-house TypeScript formula/MW display; Indigo WebAssembly in Ketcher's calculation dialog (1), In-house (JavaScript formula counting and mass sums); OpenChemLib JS (JavaScript implicit-hydrogen analysis, with In-house fallback) (1), Indigo 1.46.0 (WebAssembly, Ketcher standalone browser worker) (1), In-house (JavaScript, browser) (1), ChemDoodle Java API (remote iChemLabs CloudServices; elementalAnalysis) (1), Indigo (WebAssembly through ketcher-standalone, calculate) (1), RDKit (Python Descriptors/rdMolDescriptors; atomic masses for XYZ-derived structures) (1), PubChem web service (formula and mass lookup) (1), Indigo C++ (indigo-ketcher WebAssembly or Indigo HTTP service) (1), Indigo 1.46.0 (WebAssembly) (1), OpenChemLib (JavaScript) + In-house JavaScript isotope and charge corrections (1), In-house (Python molecular formula and mass calculations) (1), In-house (TypeScript; molecular formula only, no mass calculation) (1), In-house (TypeScript element counting, implicit hydrogens and atomic-mass table) (1), RDKit.js (WebAssembly masses and implicit hydrogens); In-house (formula assembly) (1), In-house (Molsoft libchem, WebAssembly; asm.js fallback) (1), RDKit.js (WebAssembly; molecular weights only) (1), CDK (Java MolecularFormulaManipulator and AtomContainerManipulator) (1), In-house (Rust formula, average mass and exact mass calculations) (1), Ported from OpenChemLib MolecularFormula (Java compiled to JavaScript with GWT) (1), In-house (Elemental JavaScript) (1), WebMolKit (TypeScript; formula abbreviations only) (1), In-house (JavaScript; molecular formula only) (1), In-house (C++ Molecule formula calculation and MolData atomic masses) (1), In-house (Java formula calculation only) (1), In-house (Rust formula and mass calculations with externally loaded mass-table data) (1), In-house (JavaScript; Ketcher implicit hydrogens) (1), In-house (TypeScript formula, implicit hydrogens and atomic-weight table) (1), In-house (JavaScript explicit-atom formula calculation only; no mass calculation) (1), In-house (WebMolKit MolUtil; TypeScript compiled to JavaScript) (1), OASA (bundled Python periodic_table.formula_dict); Ported from BKChem (Python formula assembly) (1), In-house (ChemDoodle molecular-mass and elemental-analysis algorithms, local Java library) (1), In-house (JavaScript formula/mass calculations); Indigo (WebAssembly calculated properties) (1), In-house Chemaxon ElementalAnalysisPlugin (local Java calculator) (1), In-house (JavaScript getFormulaLayout and isotopicDistribution formula/mass calculators) (1), OASA (Python formula and periodic-table mass routines) (1), Indigo (native C++ via Rust FFI) (1), In-house (GChemCalc external C++ executable) (1), RDKit (C++) (1), In-house Chem4Word.Model2 Molecule/FormulaHelper (C#) (1), CDKSwiftNativePort (native Swift CDKMolecularFormulaDescriptor, CDKMolecularWeightDescriptor, CDKExactMassDescriptor) (1), cht (bundled local C executable, translated from Pascal) (1), In-house (C++ elemental analysis and isotope masses) (1), In-house (JSDraw2.FormulaParser, JavaScript) (1), RDKit (native C++ Descriptors::calcMolFormula and calcExactMW) (1), In-house (C++ libjcp_engine.so; explicit atoms only) (1), MMDS core library (Objective-C, local) (1), In-house (Python atom counts and ATOMIC_WEIGHTS/EXACT_MASSES tables); RDKit (Python CalcMolFormula, MolWt and ExactMolWt in 3D view) (1)
- Tested by running it
- Seen in the app
- The manual says yes
- Partly, with the reason shown
- Not supported
- Not established, which is not the same as no
Select a mark for its proof. A filled mark opens our screenshot, or the manual if the check left nothing to picture. A ring opens the manual.
Yes, tested by running it: Caffeine: C8H10N4O2, 194.194 g/mol. ReShiki
0.14.0
Uses Ported from RDKit (Rust)
Molecular properties show C27H46O and 386.664 g/mol.
Yes, tested by running it: Caffeine: C8H10N4O2 and 194.19 g/mol. MolDraw
4.0
Uses In-house browser JavaScript formula/mass calculation; Indigo 1.46.0 browser WebAssembly calculations
Caffeine molecule details show formula and molecular weight.
Yes, tested by running it: Caffeine C8H10N4O2; MW 194.19; exact mass 194.0804. Penzene
2.0.0
Uses RDKit Descriptors (C++)
Properties panel showing molecular formula, molecular weight and exact mass.
Yes, tested by running it: Caffeine: C8H10N4O2, 194.19 g/mol; exact mass 194.0804. Octet Draw
1.1.0
Uses Indigo (WebAssembly), with In-house (TypeScript fragment and polymer aggregation)
Caffeine formula, exact mass and molecular weight in Properties.
Yes, tested by running it: Caffeine: C8H10N4O2; average mass 194.194 g/mol. ChemDraft
1.1.0
Uses In-house (TypeScript live formula and mass) + RDKit MinimalLib (WebAssembly analysis)
Molecular Inspector displays caffeine formula and molecular masses.
Yes, tested by running it: Caffeine formula C8H10N4O2 and mass 194.19 displayed. SketchIQ
dpl_44ysNf1Cbx9iepy8z4SrXP7…
Uses Indigo (WebAssembly); RDKit.js (WebAssembly, fragment masses) with In-house formula assembly
Caffeine structure with molecular formula and molecular weight.
Yes, tested by running it: Caffeine displayed C8H10N4O2 and 194.19 g/mol. Covalent
2uu6kqoryy
Uses In-house formula.js formula, molecular weight and exact mass calculations (JavaScript; inspector Web Worker)
Caffeine structure with molecular formula and molar mass.
Yes, tested by running it: Caffeine: C8H10N4O2, molecular weight 194.19, exact mass 194.0804. Reactio Draw
1.10
Uses In-house JavaScript atom counting and mass calculation using IUPAC/NIST atomic-weight/isotope data
Caffeine drawing alongside molecular weight and exact mass.
Yes, tested by running it: Caffeine: C8H10N4O2, molecular weight 194.194, exact mass 194.080. ChemEdit
1.4.3
Uses Indigo 1.45.1 (WebAssembly via Ketcher calculate); OpenChemLib JS 9.25.0 fallback; CACTUS and PubChem remote HTTP fallbacks; In-house rough estimate as final fallback
Calculated formula, molecular weight, exact mass, and elemental analysis.
Yes, tested by running it: Caffeine showed C8H10N4O2 and molecular weight 194.19. Chem Illustrator
Hosted, 5 Nov 2026
Uses RDKit MinimalLib 2026.9.1 (WebAssembly atomic masses and molecular descriptors); In-house (TypeScript Hill formula from RDKit JSON)
Molecular formula and molecular weight displayed in the toolbar.
Yes, tested by running it: Caffeine formula, molecular weight, isotope masses, and composition calculated. ChemThisTry
0.1.6
Uses Indigo (WebAssembly via ketcher-standalone)
Calculated molecular weight, isotope masses, composition and formula.
Yes, tested by running it: Ethanol showed C2H6O, 46.069 molecular weight, 46.042 exact mass. FreeChemDraw
3.18.0
Uses Indigo (WebAssembly in Ketcher Calculate dialog; separate live-property-strip server engine undisclosed)
Calculated molecular formula, molecular weight and exact mass.
Yes, tested by running it: Caffeine formula C8H10N4O2 and mass 194.19 g/mol computed. vibe-sketcher
0.6.5
Uses RDKit (Python bindings, local server)
Caffeine structure with its molecular formula and mass.
Yes, tested by running it: MOL caffeine: C8H10N4O2, molecular weight 194.194. ErezDraw
178f2b5
Uses RDKit (Python rdMolDescriptors and periodic table)
Molecular analysis shows caffeine’s formula and molecular weight.
Yes, tested by running it: Caffeine formula and mass shown after import. MolChart
v1.375
Uses OpenChemLib (browser JavaScript Molecule.getMolecularFormula, formula and absoluteWeight)
Status bar shows a molecular formula and mass.
Yes, tested by running it: Caffeine: C8H10N4O2, 194.19 g/mol; exact mass also shown. MolCanvas
0.4.0
Uses OpenChemLib (JavaScript npm package)
Caffeine structure with molecular formula and mass.
Partly: Ketcher calculates caffeine correctly; surrounding panel reports incorrect values. Kendraw
0.1.0
Uses RDKit native Python bindings (Descriptors and rdMolDescriptors); In-house TypeScript formula/MW display; Indigo WebAssembly in Ketcher's calculation dialog
Partly: Ketcher calculates caffeine correctly; surrounding panel reports incorrect values.
Calculated Values dialog showing molecular weight and exact mass.
Yes, tested by running it: Caffeine: C8H10N4O2, molecular weight 194.191, exact mass 194.080. BoltzDraw
Ketcher 2.24.0
Uses Indigo (WebAssembly); RDKit.js (WebAssembly mass descriptors)
Calculated formula, molecular weight and exact mass.
Partly: Canvas correct; explicit-hydrogen SDF property table overcounts hydrogens. Chemliora
15.19.0
Uses In-house (JavaScript formula counting and mass sums); OpenChemLib JS (JavaScript implicit-hydrogen analysis, with In-house fallback)
Partly: Canvas correct; explicit-hydrogen SDF property table overcounts hydrogens.
Property table showing molecular formula, exact mass, and molecular weight.
Yes, tested by running it: Caffeine displayed C8H10N4O2 and 194.19 g/mol. Zeanium Molecule Drawer
Hosted, 5 Nov 2026
Uses In-house (JavaScript, browser)
Caffeine drawing with molecular formula and mass displayed below.
Yes, tested by running it: Caffeine displayed formula and two masses. Sciformation VectorMol
2026-08-25
Caffeine structure with its molecular formula and two mass values.
Yes, tested by running it: Fixture imports update molecular formula, molecular weight, and exact mass. BondForge
commit b68de22
Uses RDKit (Python)
Properties panel showing molecular formula, molecular weight, and exact mass.
Yes, tested by running it: Calculator returned paclitaxel formula and molecular mass. ChemDoodle Web Components
11.0.0
Uses ChemDoodle Java API (remote iChemLabs CloudServices; elementalAnalysis)
Calculations panel lists molecular formula and mass above the structure.
Yes, tested by running it: Cholesterol C27H46O; molecular weight 386.6640; exact mass 386.3549. MoleditPy
5.1.3
Uses RDKit (Python Descriptors/rdMolDescriptors; atomic masses for XYZ-derived structures)
Molecule analysis displays the formula, molecular weight, and exact mass.
Yes, tested by running it: Caffeine Infocard shows C8H10N4O2 and molecular weight 194.19. MolView.com
2026-11-02 (5ecc001a)
Uses PubChem web service (formula and mass lookup)
Caffeine Infocard shows molecular formula and weight.
Yes, tested by running it: Caffeine: C8H10N4O2; molecular weight 194.194. Ketcher
3.18.0
Uses Indigo C++ (indigo-ketcher WebAssembly or Indigo HTTP service)
Calculated formula, molecular weight, exact mass, and elemental analysis.
Partly: Correct formula; descriptor mass omits implicit hydrogen contribution. PyChem-Pro
1.0.0
Uses In-house (Python molecular formula and mass calculations)
Partly: Correct formula; descriptor mass omits implicit hydrogen contribution.
Molecular formula C27H46O above a two-dimensional structure.
Partly: Formula updates; molecular mass is not displayed. Molecule Builder (OvOHongYu)
0.1.0
Uses In-house (TypeScript; molecular formula only, no mass calculation)
Partly: Formula updates; molecular mass is not displayed.
Ethylbenzene drawing and molecular formula C8H10.
Yes, tested by running it: Caffeine: C8H10N4O2, molecular weight 194.191. KetchDraw
2.24.0
Uses Indigo (WebAssembly); RDKit.js (WebAssembly mass descriptors)
Calculated formula, molecular weight, and exact mass.
Yes, tested by running it: Cholesterol: C27H46O and 386.618 g/mol. Chemable
1.1.9
Uses In-house (TypeScript element counting, implicit hydrogens and atomic-mass table)
Analysis dialog showing C27H46O and 386.618 g/mol.
Yes, tested by running it: Caffeine: C8H10N4O2, 194.194 g/mol. WaveSpeed AI Chemical Structure Drawer
cBQ3oDFlZ9g0696A_FKvj
Uses RDKit.js (WebAssembly masses and implicit hydrogens); In-house (formula assembly)
Caffeine structure with its formula and molecular weight.
Yes, tested by running it: Caffeine displayed C8H10N4O2 and mass 194.19. BondCraft
0.2.1
Uses In-house
Caffeine structure with its molecular formula and mass.
Partly: Formula displayed in status bar; no mass command found. JChemPaint
3.2.0
Partly: Formula displayed in status bar; no mass command found.
A molecular structure and its formula in the status bar.
Yes, tested by running it: Caffeine calculation returned C8H10N4O2 and 194.08. Molsoft HTML5 Molecule Editor
v1.6.0
Uses In-house (Molsoft libchem, WebAssembly; asm.js fallback)
Caffeine structure with molecular formula and molecular weight.
Partly: Molecular weight displayed; no dedicated formula field found. Molecule Clipboard
6e00a7d
Uses RDKit.js (WebAssembly; molecular weights only)
Partly: Molecular weight displayed; no dedicated formula field found.
Caffeine structure and molecular weight in the properties panel.
Yes, tested by running it: Benzene returned C6H6 and 78.11 g/mol. SketchScape
1.0
Uses RDKit (Python)
Computed benzene formula and molecular weight.
Yes, tested by running it: Caffeine displayed C8H10N4O2 and 194.19. Structura (chem-structura)
0.8.0
Uses In-house
Caffeine structure with formula and mass in the status bar.
Yes, tested by running it: Drawn ethene returned C2H4 and molecular weight 28.0538. XDrawChem
2.0.1
Uses In-house (C++ Molecule formula calculation and MolData atomic masses)
Molecule Info displays C2H4 and molecular weight 28.0538.
Yes, tested by running it: Caffeine displayed C8H10N4O2 and 194.19. RadSketch
b7450e4
Uses In-house
Caffeine structure with formula C8H10N4O2 and molecular weight 194.19.
Yes, tested by running it: Paclitaxel formula and molecular weight displayed. Ketcherails (ketcher-rails)
0.1.12
Uses In-house (JavaScript; Ketcher implicit hydrogens)
Molecule properties show molecular weight and formula.
Yes, tested by running it: Caffeine displayed C₈H₁₀N₄O₂ and 194.19 g/mol. schematic
0.1.0 (ede2ccf)
Uses In-house (TypeScript formula, implicit hydrogens and atomic-weight table)
Caffeine structure with its molecular formula and mass.
Partly: Counts explicit atoms; no mass or implicit hydrogens. ChemMD
0.1.0 (2768408)
Uses In-house (JavaScript explicit-atom formula calculation only; no mass calculation)
Partly: Counts explicit atoms; no mass or implicit hydrogens.
Formula C8N4O2 with atom and bond counts.
Yes, tested by running it: Caffeine displayed C8H10N4O2 and 194.19. WebMolKit
2.0.11
Uses In-house (WebMolKit MolUtil; TypeScript compiled to JavaScript)
Caffeine structure with molecular formula and mass at upper right.
Available, no screenshot
ChemDraw's license keeps us from publishing pictures of its interface.
- Yes, tested by running it: Caffeine: C8H10N4O2; molecular weight 194.19; exact mass 194.08. Opens the cited page.ChemDrawCaffeine: C8H10N4O2; molecular weight 194.19; exact mass 194.08.
- Yes, tested by running it: Caffeine showed C8H10N4O2 and 194.19. Opens the cited page.Chematic DrawUses In-house (chematic-core and chematic-chem, Rust/WebAssembly). Caffeine showed C8H10N4O2 and 194.19.Source
- Partly: PubChem lookup returned caffeine formula and molecular weight. Opens the cited page.Molecule Lab (The Freshman Mole)Uses PubChem web service (formula/mass record lookup via site server proxy). PubChem lookup returned caffeine formula and molecular weight.Source
- Yes, tested by running it: Caffeine: C8H10N4O2, molecular weight 194.194. Opens the cited page.MolbrettUses Indigo 1.46.0 (WebAssembly, Ketcher standalone browser worker). Caffeine: C8H10N4O2, molecular weight 194.194.Source
- Yes, tested by running it: Caffeine: C8H10N4O2, molecular weight 194.194. Opens the cited page.Chemeditor (Chemrise)Uses Indigo (WebAssembly through ketcher-standalone, calculate). Caffeine: C8H10N4O2, molecular weight 194.194.Source
- Yes, tested by running it: Caffeine: C8H10N4O2, molecular weight 194.194. Opens the cited page.AI Chemical Drawing (CubicZnS)Uses Indigo 1.46.0 (WebAssembly). Caffeine: C8H10N4O2, molecular weight 194.194.Source
- Yes, tested by running it: Caffeine: C8H10N4O2 and 194.19 g/mol. Opens the cited page.OpenReactionsUses OpenChemLib (JavaScript) + In-house JavaScript isotope and charge corrections. Caffeine: C8H10N4O2 and 194.19 g/mol.Source
- Partly: Selection displayed C47H51NO14; no mass readout found. Opens the cited page.MolsketchSelection displayed C47H51NO14; no mass readout found.Source
- Partly: Scratch selection attempted; no computed formula or mass obtained. Opens the cited page.MolGLideXUses CDK (Java MolecularFormulaManipulator and AtomContainerManipulator). Scratch selection attempted; no computed formula or mass obtained.Source
- Yes, tested by running it: Caffeine selection showed C8H10N4O2 and formula weight 194.19. Opens the cited page.ChemSemaUses In-house (Rust formula, average mass and exact mass calculations). Caffeine selection showed C8H10N4O2 and formula weight 194.19.Source
- Yes, according to the manual: API returns molecular formula, exact mass and molecular weight. Opens the cited page.OpenChemLib JS editorUses Ported from OpenChemLib MolecularFormula (Java compiled to JavaScript with GWT). API returns molecular formula, exact mass and molecular weight.Source
- Yes, according to the manual: iOS edition calculates molecular formula and mass; vendor claim. Opens the cited page.Dotmatics Elemental / Elemental DrawUses In-house (Elemental JavaScript). iOS edition calculates molecular formula and mass; vendor claim.Source
- Partly: Formula-abbreviation attempt rejected selection; no mass command found. Opens the cited page.SketchEl 2Uses WebMolKit (TypeScript; formula abbreviations only). Formula-abbreviation attempt rejected selection; no mass command found.Source
- Partly: Molecular formula confirmed; molecular mass calculation unverified. Opens the cited page.Kekule.jsUses In-house (JavaScript; molecular formula only). Molecular formula confirmed; molecular mass calculation unverified.Source
- Partly: Formula generation for abbreviations; molecular-mass calculation unverified. Opens the cited page.SketchElUses In-house (Java formula calculation only). Formula generation for abbreviations; molecular-mass calculation unverified.Source
- Partly: Formula works; mass refused without compatible external dataset. Opens the cited page.ChemifreeUses In-house (Rust formula and mass calculations with externally loaded mass-table data). Formula works; mass refused without compatible external dataset.Source
- Yes, tested by running it: Adapter displayed formula and molecular weight from editor API. Opens the cited page.ButlerovUses In-house. Adapter displayed formula and molecular weight from editor API.Source
- Yes, tested by running it: Console calculation returned formula and molecular weight. Opens the cited page.Chemical Structure Editor (CSE)Uses In-house. Console calculation returned formula and molecular weight.Source
- Yes, according to the manual: SimpleMolecule.java computes formula and mass; editor readout unverified. Opens the cited page.MCDL Java Chemical Structure EditorUses In-house. SimpleMolecule.java computes formula and mass; editor readout unverified.Source
- Yes, according to the manual: Computes formula, molecular weight and monoisotopic mass. Opens the cited page.BKChem Python 3 ModernizedUses OASA (bundled Python periodic_table.formula_dict); Ported from BKChem (Python formula assembly). Computes formula, molecular weight and monoisotopic mass.Source
- Yes, according to the manual. Opens the cited page.ChemDoodle 2DUses In-house (ChemDoodle molecular-mass and elemental-analysis algorithms, local Java library). Source
- Yes, according to the manual: Indigo computes molecular formula, molecular weight and monoisotopic mass. Opens the cited page.LabCanvas Figure Editor / MolDrawUses In-house (JavaScript formula/mass calculations); Indigo (WebAssembly calculated properties). Indigo computes molecular formula, molecular weight and monoisotopic mass.Source
- Yes, according to the manual. Opens the cited page.Marvin Desktop Suite / MarvinSketchUses In-house Chemaxon ElementalAnalysisPlugin (local Java calculator). Source
- Yes, according to the manual: Computes molecular formula, exact mass and molecular weight. Opens the cited page.ChemDraft (元素智研)Computes molecular formula, exact mass and molecular weight.Source
- Yes, according to the manual. Opens the cited page.InDrawUses In-house (JavaScript getFormulaLayout and isotopicDistribution formula/mass calculators). Source
- Yes, according to the manual: Computes formula, molecular weight and monoisotopic mass. Opens the cited page.BKChemUses OASA (Python formula and periodic-table mass routines). Computes formula, molecular weight and monoisotopic mass.Source
- Yes, according to the manual: vendor claim; formula, molecular weight, and composition. Opens the cited page.BIOVIA Drawvendor claim; formula, molecular weight, and composition.Source
- Yes, according to the manual: Formula, molecular mass, exact mass, and composition. Opens the cited page.ChemWindow (KnowItAll ChemWindow Edition)Formula, molecular mass, exact mass, and composition.Source
- Yes, according to the manual: Computes molecular formula, molecular weight and isotope masses. Opens the cited page.Chemistry DrawUses Indigo (native C++ via Rust FFI). Computes molecular formula, molecular weight and isotope masses.Source
- Yes, according to the manual. Opens the cited page.Zoho ChemStudioSource
- Yes, according to the manual: Opens GChemCalc for formula and mass; fragments unsupported. Opens the cited page.GChemPaintUses In-house (GChemCalc external C++ executable). Opens GChemCalc for formula and mass; fragments unsupported.Source
- Yes, according to the manual. Opens the cited page.KingDrawSource
- Yes, according to the manual. Opens the cited page.ChemPencilSource
- Yes, according to the manual: Calculates molecular formula and formula weight. Opens the cited page.ACD/ChemSketchCalculates molecular formula and formula weight.Source
- Yes, according to the manual: Formula, average molecular weight, monoisotopic mass, and elemental composition. Opens the cited page.Ferrum Chemical ForgeUses RDKit (C++). Formula, average molecular weight, monoisotopic mass, and elemental composition.Source
- Yes, according to the manual: Computes molecular formula and molecular weight locally. Opens the cited page.Chem4WordUses In-house Chem4Word.Model2 Molecule/FormulaHelper (C#). Computes molecular formula and molecular weight locally.Source
- Yes, according to the manual: Formula, molecular weight, and monoisotopic mass. Opens the cited page.AtomLensUses CDKSwiftNativePort (native Swift CDKMolecularFormulaDescriptor, CDKMolecularWeightDescriptor, CDKExactMassDescriptor). Formula, molecular weight, and monoisotopic mass.Source
- Yes, according to the manual: Bundled cht calculates formula, molecular mass and exact mass. Opens the cited page.ChemtoolUses cht (bundled local C executable, translated from Pascal). Bundled cht calculates formula, molecular mass and exact mass.Source
- Yes, according to the manual: Selected structures display formula, molecular weight and exact mass. Opens the cited page.LhendrawUses In-house (C++ elemental analysis and isotope masses). Selected structures display formula, molecular weight and exact mass.Source
- Yes, according to the manual: Molecular formula, molecular weight and exact mass. Opens the cited page.JSDrawUses In-house (JSDraw2.FormulaParser, JavaScript). Molecular formula, molecular weight and exact mass.Source
- Yes, according to the manual: Formula and exact molecular mass computed through RDKit. Opens the cited page.ChemCADUses RDKit (native C++ Descriptors::calcMolFormula and calcExactMW). Formula and exact molecular mass computed through RDKit.Source
- Yes, according to the manual: Formula and average mass; iPad requires paid Full version. Opens the cited page.MoleculeSketchFull versionFormula and average mass; iPad requires paid Full version.Source
- Yes, according to the manual: Pro/Office: molecular formula, exact mass and formula mass. Opens the cited page.Chemistry 4-D DrawProPro/Office: molecular formula, exact mass and formula mass.Source
- Partly: Counts explicit atoms only; implicit hydrogens and isotope masses omitted. Opens the cited page.BondDrawUses In-house (C++ libjcp_engine.so; explicit atoms only). Counts explicit atoms only; implicit hydrogens and isotope masses omitted.Source
- Yes, according to the manual. Opens the cited page.ChemGraphic 2Source
- Yes, according to the manual: Formula, molecular weight and exact mass; vendor claim. Opens the cited page.MolSketchGoFormula, molecular weight and exact mass; vendor claim.Source
- Yes, according to the manual: Formula, molecular weight and exact mass panel; vendor claim. Opens the cited page.Elk_Draw RDKitFormula, molecular weight and exact mass panel; vendor claim.Source
- Yes, according to the manual. Opens the cited page.MolPrime+Uses MMDS core library (Objective-C, local). Source
- Yes, according to the manual: Formula, molecular weight and exact mass displayed. Opens the cited page.MolGenDrawUses In-house (Python atom counts and ATOMIC_WEIGHTS/EXACT_MASSES tables); RDKit (Python CalcMolFormula, MolWt and ExactMolWt in 3D view). Formula, molecular weight and exact mass displayed.Source
- Yes, according to the manual: Vendor claim: formula, molecular weight, elemental composition and exact mass. Opens the cited page.Chirys DrawVendor claim: formula, molecular weight, elemental composition and exact mass.Source
- Partly: Mass documented; formula unverified; vendor claim. Opens the cited page.Chem Sketcher (Non_REM.Persona Laboratory)Mass documented; formula unverified; vendor claim.Source
- Yes, according to the manual: Vendor claim: formula, molecular weight, monoisotopic mass. Opens the cited page.StructoVendor claim: formula, molecular weight, monoisotopic mass.Source
- Yes, according to the manual: Vendor-coauthored 2002 publication; current edition unspecified. Opens the cited page.Chemograph PlusVendor-coauthored 2002 publication; current edition unspecified.Source
- Yes, according to the manual: Formula, molecular weight, monoisotopic mass and composition; vendor claim. Opens the cited page.MoleculeFormula, molecular weight, monoisotopic mass and composition; vendor claim.Source
Not available
- No: No formula or mass command found in inspected UI. Opens the cited page.ChemCanvasNo formula or mass command found in inspected UI.
- No: No formula or mass command in inspected menus or tools. Opens the cited page.ChemvasNo formula or mass command in inspected menus or tools.
- No: No formula/mass command found in action menus or property dialog. Opens the cited page.Schrödinger SketcherNo formula/mass command found in action menus or property dialog.
- No: No formula or molecular mass command found. Opens the cited page.cDrawNo formula or molecular mass command found.
- No: No formula or mass command found for editor drawing. Opens the cited page.MolSketchNo formula or mass command found for editor drawing.
- No: No formula or mass calculation control found. Opens the cited page.JSME Molecule EditorNo formula or mass calculation control found.
- No: No molecular formula or mass command found. Opens the cited page.rdEditorNo molecular formula or mass command found.
- No: No formula or mass command found. Opens the cited page.ChemCanvasJSNo formula or mass command found.
- No: No formula or mass command in demo. Opens the cited page.KemiaNo formula or mass command in demo.
- No: No formula or mass command found in menus or molecule dialog. Opens the cited page.JMolDrawNo formula or mass command found in menus or molecule dialog.
- No: No calculation command or computed formula and mass display. Opens the cited page.Chemeditor (Chemie-Lernprogramme)No calculation command or computed formula and mass display.
- No: No formula or mass command found. Opens the cited page.SketChemNo formula or mass command found.
- No: Statistics entry did nothing when clicked. Opens the cited page.vue-chemdraw (0chem)Statistics entry did nothing when clicked.
- No: No formula or mass command visible in editor. Opens the cited page.ChemWriterNo formula or mass command visible in editor.
- No: No formula or mass command visible. Opens the cited page.GlassNo formula or mass command visible.
- No: No formula or mass display or command visible. Opens the cited page.MolPadNo formula or mass display or command visible.