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ChemScribble
Desktop tool for drawing and interpreting chemical structures and reaction schemes with a stylus.
Paid. 12 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: Startup requires accepting the iChemLabs Software License Agreement before drawing. Acceptance requires explicit user confirmation under the computer-use policy; no approval was received. Rejected the agreement and the app quit. No license-key or account prompt was reached.
Needs an account or a purchase
Caffeine
Needs an account or a purchase
Paclitaxel
Needs an account or a purchase
Cholesterol in 3D
- Welcome title shows ChemScribble v1.1.0.
- Startup displays Accept and Reject buttons for the license agreement.
- Drawing canvas was not reached; molecule and feature checks remain untested.
- Startup screenshot saved as welcome-license.png.
- Rejecting the agreement closed the app.
Facts
- Latest version
- 1.1.0
- Runs on
- macOS, Windows, Linux
- License
- Proprietary iChemLabs Suite license; beta software is restricted to evaluation.
- Price
- 2026-11-05: iChemLabs Suite US$29/month, US$199/year or US$999 lifetime, plus tax.
- Plans
- iChemLabs Suite: 2026-11-06: US$29/month, US$199/year or US$999 lifetime, plus tax.
- Relies on
- ChemDoodle. ChemDoodle powers stereochemistry; canvas provenance is not publicly established.
- Chemistry from
- ChemDoodle engine
- Main language
- Java
- Other languages
- Java: Desktop application; JavaScript: Bundled ChemDoodle Web Components
- Renderer
- Not established
- Third-party licenses
- Not established
- Download
- 109 MB
- Installed
- 222 MB
- Public beta; the EULA restricts beta software to evaluation.
- Saves only .scrb; publication image export requires separate ChemDoodle software.
- Handwriting training and internet activation required; stylus recommended.
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 bondsichemlabs.com
- 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
- Not establishedTemplate library
- Not establishedSave your own templates
- Yes, according to the manual. Opens the cited page.Group abbreviationsichemlabs.com
- Not establishedCharges, isotopes and atom labels
- Yes, according to the manual. Opens the cited page.Radicals and lone pairsichemlabs.com
- Not establishedKeyboard drawing
- Not establishedLasso select and transforms
- Not establishedTilt drawings in perspective
Reactions and mechanisms
- Yes, according to the manual. Opens the cited page.Reaction arrowsichemlabs.com
- Not establishedCurved mechanism arrows
- Yes, according to the manual: Interpreted reactions can be exported as chemical text. Opens the cited page.Machine-readable reactionsInterpreted reactions can be exported as chemical text.ichemlabs.com
- 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
- Yes, according to the manual. Opens the cited page.2D structure cleanupichemlabs.com
- Not establishedJournal drawing styles
- Not establishedReusable custom styles
- Not establishedColor control
- Not establishedColor highlighting
- Not establishedPage layout and multipage
- No: Image files cannot be opened; only own strokes can paste. Opens the cited page.Imported picturesImage files cannot be opened; only own strokes can paste.ichemlabs.com
- Not establishedTLC plates and tables
Chemistry intelligence
- Not establishedStructure checking
- Yes, according to the manual: Automatically assigns CIP descriptors. Opens the cited page.R/S and E/Z labelsAutomatically assigns CIP descriptors.ichemlabs.com
- Not establishedFormula and mass
- 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
- No: Image files cannot open; external data cannot paste. Opens the cited page.Image to structureImage files cannot open; external data cannot paste.ichemlabs.com
- Partly: Search results open in browser; structures cannot be imported. Opens the cited page.Online structure lookupSearch results open in browser; structures cannot be imported.ichemlabs.com
- Partly: Requires separate ChemDoodle 3D; only the last molecule transfers. Opens the cited page.3D model viewRequires separate ChemDoodle 3D; only the last molecule transfers.ichemlabs.com
- Not establishedCrystal structures
Files and exchange
- No: Only .scrb files can be opened or saved. Opens the cited page.CDXML import and exportOnly .scrb files can be opened or saved.ichemlabs.com
- No: Only .scrb files can be opened or saved. Opens the cited page.CDX import and exportOnly .scrb files can be opened or saved.ichemlabs.com
- Partly: MOL clipboard export only; no MOL/SDF file import or export. Opens the cited page.MOL and SDFMOL clipboard export only; no MOL/SDF file import or export.ichemlabs.com
- Partly: Clipboard export only; chemical text cannot be imported. Opens the cited page.SMILESClipboard export only; chemical text cannot be imported.ichemlabs.com
- Yes, according to the manual: Clipboard text export. Opens the cited page.InChIClipboard text export.ichemlabs.com
- No: Chemical file import and export are unavailable. Opens the cited page.RXN filesChemical file import and export are unavailable.ichemlabs.com
- No: Image files cannot be saved. Opens the cited page.SVG exportImage files cannot be saved.ichemlabs.com
- No: Only .scrb files can be saved. Opens the cited page.PDF exportOnly .scrb files can be saved.ichemlabs.com
- No: Image files cannot be saved. Opens the cited page.High-resolution PNGImage files cannot be saved.ichemlabs.com
- No: Chemical data cannot be pasted into ChemScribble. Opens the cited page.Paste to and from ChemDrawChemical data cannot be pasted into ChemScribble.ichemlabs.com
- 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
- Not established: Desktop application; no editor embedding route documented.Embed in your own appDesktop application; no editor embedding route documented.chemscribble.com