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Chemograph Plus
Windows software for drawing chemical structures and reaction schemes, with spectra editing and optional 3D structure viewing.
Free with paid plans. 8 of 65 checklist features confirmed.
Main canvas
Needs Windows
Needs Windows
Default drawings
Needs Windows
Caffeine
Needs Windows
Paclitaxel
Needs Windows
Cholesterol in 3D
Facts
- Runs on
- Windows
- License
- Proprietary; Standard is free for private end users; Premium is paid.
- Price
- 2026-11-05: Standard free for private use; Premium price undisclosed.
- Plans
- Standard: Free for private use; registration required (2026-11-06); Premium
- Relies on
- Not established. Public vendor documentation does not establish canvas provenance or third-party chemistry libraries.
- Main language
- C++
- Other languages
- Not established
- Renderer
- Not established
- Third-party licenses
- Not established
- The interface is German.
- Downloads require registration; public pages omit installer details and current release numbers.
- Formula, valence-checking, and C++ evidence comes from a vendor-coauthored 2002 publication.
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
- Not establishedSingle, double and triple bonds
- Not establishedWedge, hash and wavy bonds
- Not establishedDative, hydrogen and quadruple bonds
- Not establishedChoose double-bond side
- Not establishedRing tools
- Not establishedChair and Haworth rings
- Not establishedChain tool
- Yes, according to the manual: Premium only; complex structure libraries; vendor claim. Opens the cited page.Template libraryPremium. Premium only; complex structure libraries; vendor claim.chemograph.de
- Yes, according to the manual: Premium only; user libraries accept copied structures; vendor claim. Opens the cited page.Save your own templatesPremium. Premium only; user libraries accept copied structures; vendor claim.chemograph.de
- Not establishedGroup abbreviations
- Not establishedCharges, isotopes and atom labels
- Not establishedRadicals and lone pairs
- Not establishedKeyboard drawing
- Not establishedLasso select and transforms
- Not establishedTilt drawings in perspective
Reactions and mechanisms
- Not establishedReaction arrows
- Not establishedCurved mechanism arrows
- Not establishedMachine-readable reactions
- Not establishedAtom mapping
- Not establishedOrbitals and symbols
Figures and layout
- Not establishedRich text captions
- Not establishedShapes, brackets and curves
- Not establishedAlign and distribute
- Not establishedGroup and ungroup
- Not established2D structure cleanup
- Not establishedJournal drawing styles
- Not establishedReusable custom styles
- Not establishedColor control
- Not establishedColor highlighting
- Not establishedPage layout and multipage
- Not establishedImported pictures
- Not establishedTLC plates and tables
Chemistry intelligence
- Yes, according to the manual: Vendor-coauthored 2002 publication; current edition unspecified. Opens the cited page.Structure checkingVendor-coauthored 2002 publication; current edition unspecified.openagrar.de
- Not establishedR/S and E/Z labels
- Yes, according to the manual: Vendor-coauthored 2002 publication; current edition unspecified. Opens the cited page.Formula and massVendor-coauthored 2002 publication; current edition unspecified.openagrar.de
- Not establishedProperty estimates
- Not establishedName to structure
- Not establishedStructure to name
- Not establishedNMR prediction
- Not establishedR-groups and query structures
- Not establishedPolymers and repeat units
- Not establishedPeptides and nucleic acids
- Not establishedImage to structure
- Not establishedOnline structure lookup
- Yes, according to the manual: Premium only; rotatable X-ray-derived models; vendor claim. Opens the cited page.3D model viewPremium. Premium only; rotatable X-ray-derived models; vendor claim.chemograph.de
- Yes, according to the manual: Premium only; X-ray structure viewing; CIF undocumented; vendor claim. Opens the cited page.Crystal structuresPremium. Premium only; X-ray structure viewing; CIF undocumented; vendor claim.chemograph.de
Files and exchange
- Not establishedCDXML import and export
- Not establishedCDX import and export
- Yes, according to the manual: MOL read/write; SDF undocumented; vendor claim. Opens the cited page.MOL and SDFMOL read/write; SDF undocumented; vendor claim.chemograph.de
- Not establishedSMILES
- Not establishedInChI
- Not establishedRXN files
- Not establishedSVG export
- 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
- Yes, according to the manual: Archived vendor-supplied DLL readers for crystallographic and MS formats. Opens the cited page.PluginsArchived vendor-supplied DLL readers for crystallographic and MS formats.web.archive.org
- Not established: Word OLE objects documented; embedded editor operation remains unverified.Embed in your own appWord OLE objects documented; embedded editor operation remains unverified.chemograph.de