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Zoho ChemStudio
A web and desktop editor for drawing chemical structures, reaction schemes, and publication figures.
Free. 39 of 65 checklist features confirmed.
Official demo
Main canvas
Needs an account or a purchase
Needs an account or a purchase
Default drawings
We could not finish testing this tool: The hosted ChemStudio home route redirects unauthenticated users to Zoho sign-in; the isolated browser also remained blank while loading.
Needs an account or a purchase
Caffeine
Needs an account or a purchase
Paclitaxel
Needs an account or a purchase
Cholesterol in 3D
- The server redirects /chemstudio/home to Zoho sign-in for ChemStudio.
- No ChemStudio version was exposed before sign-in.
Facts
- Runs on
- macOS, Windows, Linux, Browser
- License
- Currently free to use.
- Price
- Free (2026-11-05)
- Relies on
- Not established. Public vendor materials do not establish editor provenance or chemistry dependencies.
- Main language
- Not published
- Other languages
- Not established
- Renderer
- Not established
- Third-party licenses
- Not established
- Download
- 323 MB
- The web app requires a Zoho account and a team workspace.
- NMR reports require the connected web version; desktop drawing and export work offline.
- CDX and RXN marketing claims differ from the dedicated export-format list.
Features
- 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.
Drawing structures
- Yes, according to the manual. Opens the cited page.Single, double and triple bondshelp.zoho.com
- Yes, according to the manual: Wedge, hashed wedge, and wavy bonds appear in official screenshots. Opens the cited page.Wedge, hash and wavy bondsWedge, hashed wedge, and wavy bonds appear in official screenshots.help.zoho.com
- Not establishedDative, hydrogen and quadruple bonds
- Not establishedChoose double-bond side
- Yes, according to the manual: Common ring sizes and aromatic ring tools appear in official screenshots. Opens the cited page.Ring toolsCommon ring sizes and aromatic ring tools appear in official screenshots.help.zoho.com
- Yes, according to the manual: Horizontal and vertical cyclohexane chair tools. Opens the cited page.Chair and Haworth ringsHorizontal and vertical cyclohexane chair tools.help.zoho.com
- Partly: Chains are inserted by carbon count through a dialog. Opens the cited page.Chain toolChains are inserted by carbon count through a dialog.help.zoho.com
- Yes, according to the manual. Opens the cited page.Template libraryhelp.zoho.com
- Not establishedSave your own templates
- Yes, according to the manual. Opens the cited page.Group abbreviationshelp.zoho.com
- Not establishedCharges, isotopes and atom labels
- Yes, according to the manual. Opens the cited page.Radicals and lone pairshelp.zoho.com
- Yes, according to the manual. Opens the cited page.Keyboard drawinghelp.zoho.com
- Not establishedLasso select and transforms
- Not establishedTilt drawings in perspective
Reactions and mechanisms
- Yes, according to the manual: Forward, equilibrium, and resonance arrows appear in official screenshots. Opens the cited page.Reaction arrowsForward, equilibrium, and resonance arrows appear in official screenshots.help.zoho.com
- Yes, according to the manual. Opens the cited page.Curved mechanism arrowshelp.zoho.com
- Yes, according to the manual: RXN import and native reaction storage are documented. Opens the cited page.Machine-readable reactionsRXN import and native reaction storage are documented.help.zoho.com
- Not establishedAtom mapping
- Not establishedOrbitals and symbols
Figures and layout
- Yes, according to the manual: Official screenshot shows font controls, subscripts, and superscripts. Opens the cited page.Rich text captionsOfficial screenshot shows font controls, subscripts, and superscripts.help.zoho.com
- Yes, according to the manual: Shapes; brackets also covered in the drawing guide. Opens the cited page.Shapes, brackets and curvesShapes; brackets also covered in the drawing guide.help.zoho.com
- Yes, according to the manual: Molecules can be aligned in pathway drawings. Opens the cited page.Align and distributeMolecules can be aligned in pathway drawings.zoho.com
- Yes, according to the manual. Opens the cited page.Group and ungrouphelp.zoho.com
- Yes, according to the manual. Opens the cited page.2D structure cleanuphelp.zoho.com
- Yes, according to the manual: ACS, RSC, and Wiley presets. Opens the cited page.Journal drawing stylesACS, RSC, and Wiley presets.help.zoho.com
- Partly: Saved settings and styles affect the current document only. Opens the cited page.Reusable custom stylesSaved settings and styles affect the current document only.help.zoho.com
- Yes, according to the manual: Individual TLC spots have color controls. Opens the cited page.Color controlIndividual TLC spots have color controls.help.zoho.com
- Not establishedColor highlighting
- Yes, according to the manual: Page size plus page rows and columns. Opens the cited page.Page layout and multipagePage size plus page rows and columns.help.zoho.com
- Not establishedImported pictures
- Yes, according to the manual. Opens the cited page.TLC plates and tableshelp.zoho.com
Chemistry intelligence
- Yes, according to the manual: Structure errors are indicated on hover. Opens the cited page.Structure checkingStructure errors are indicated on hover.help.zoho.com
- Yes, according to the manual: R/S and E/Z stereo annotations. Opens the cited page.R/S and E/Z labelsR/S and E/Z stereo annotations.help.zoho.com
- Yes, according to the manual. Opens the cited page.Formula and masshelp.zoho.com
- Yes, according to the manual: cLogP appears in the official properties-panel screenshot. Opens the cited page.Property estimatescLogP appears in the official properties-panel screenshot.help.zoho.com
- Yes, according to the manual. Opens the cited page.Name to structurehelp.zoho.com
- Yes, according to the manual: IUPAC name generation; vendor claim. Opens the cited page.Structure to nameIUPAC name generation; vendor claim.zoho.com
- Yes, according to the manual: Web only; unavailable in the desktop app. Opens the cited page.NMR predictionWeb only; unavailable in the desktop app.help.zoho.com
- Yes, according to the manual. Opens the cited page.R-groups and query structureshelp.zoho.com
- Not establishedPolymers and repeat units
- Yes, according to the manual: Sequence tool accepts peptide, DNA, and RNA sequences. Opens the cited page.Peptides and nucleic acidsSequence tool accepts peptide, DNA, and RNA sequences.help.zoho.com
- Not establishedImage to structure
- Yes, according to the manual: PubChem data populates structures on the drawing board. Opens the cited page.Online structure lookupPubChem data populates structures on the drawing board.help.zoho.com
- Not established3D model view
- Not establishedCrystal structures
Files and exchange
- Yes, according to the manual. Opens the cited page.CDXML import and exporthelp.zoho.com
- Not establishedCDX import and export
- Yes, according to the manual: MOL and SDF import/export also appear in help documentation. Opens the cited page.MOL and SDFMOL and SDF import/export also appear in help documentation.zoho.com
- Yes, according to the manual. Opens the cited page.SMILEShelp.zoho.com
- Yes, according to the manual. Opens the cited page.InChIhelp.zoho.com
- Yes, according to the manual: Imported RXN files are explicitly listed. Opens the cited page.RXN filesImported RXN files are explicitly listed.help.zoho.com
- Yes, according to the manual. Opens the cited page.SVG exporthelp.zoho.com
- Not establishedPDF export
- Not establishedHigh-resolution PNG
- Not establishedPaste to and from ChemDraw
- Not establishedEditable in Word or PowerPoint
- Not establishedWindows Office OLE
APIs and automation
- Not establishedPython API
- Not establishedJavaScript or TypeScript API
- Not establishedCommand-line tool
- Not establishedAI agent control
- Not establishedBuilt-in AI assistant
Embedding and extension
- Not establishedPlugins
- Partly: Zoho Writer only; reusable embedding API unconfirmed. Opens the cited page.Embed in your own appZoho Writer only; reusable embedding API unconfirmedhelp.zoho.com