Glass

• 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, tested by running it: Single, double, triple drawn; history raises errors. Opens the screenshot.Single, double and triple bondsSingle, double, triple drawn; history raises errors.github.com
• Partly: Wedge and hash applied; no wavy tool visible. Opens the screenshot.Wedge, hash and wavy bondsWedge and hash applied; no wavy tool visible.github.com
• Not establishedDative, hydrogen and quadruple bonds
• Partly: Switches left/right; centered rendering is automatic. Opens the cited page.Choose double-bond sideSwitches left/right; centered rendering is automatic.github.com
• Yes, tested by running it: Six-membered and benzene rings drawn. Opens the screenshot.Ring toolsSix-membered and benzene rings drawn.github.com
• Not establishedChair and Haworth rings
• Not establishedChain tool
• No: No templates beyond ring tools visible. Opens the cited page.Template libraryNo templates beyond ring tools visible.
• Not establishedSave your own templates
• Not establishedGroup abbreviations
• Partly: Periodic-table elements and charges; isotope entry is not established. Opens the cited page.Charges, isotopes and atom labelsPeriodic-table elements and charges; isotope entry is not established.github.com
• Not establishedRadicals and lone pairs
• Yes, according to the manual: Hovered atoms and bonds respond to element, charge, and stereo keys. Opens the cited page.Keyboard drawingHovered atoms and bonds respond to element, charge, and stereo keys.github.com
• Partly: Rectangle selection and movement; no rotation, flip, or selection-resize controls. Opens the cited page.Lasso select and transformsRectangle selection and movement; no rotation, flip, or selection-resize controls.github.com
• Not establishedTilt drawings in perspective

Reactions and mechanisms

• No: Forward arrow drag failed with JavaScript error. Opens the cited page.Reaction arrowsForward arrow drag failed with JavaScript error.github.com
• No: No curved arrow tool visible. Opens the cited page.Curved mechanism arrowsNo curved arrow tool visible.
• Yes, according to the manual: Exports reaction SMILES using the first arrow and molecule positions. Opens the cited page.Machine-readable reactionsExports reaction SMILES using the first arrow and molecule positions.github.com
• Not establishedAtom mapping
• Not establishedOrbitals and symbols

Figures and layout

• Not establishedRich text captions
• Partly: Editable straight arrows only; brackets and curves are not implemented. Opens the cited page.Shapes, brackets and curvesEditable straight arrows only; brackets and curves are not implemented.github.com
• Not establishedAlign and distribute
• Not establishedGroup and ungroup
• Not established2D structure cleanup
• Not establishedJournal drawing styles
• Partly: Native drawings preserve font size and bond length; no separate presets. Opens the cited page.Reusable custom stylesNative drawings preserve font size and bond length; no separate presets.github.com
• Partly: Global color schemes only; individual object colors are not stored. Opens the cited page.Color controlGlobal color schemes only; individual object colors are not stored.github.com
• Partly: Temporary selection outlines inherit bond color; no saved highlight styling. Opens the cited page.Color highlightingTemporary selection outlines inherit bond color; no saved highlight styling.github.com
• Not establishedPage layout and multipage
• Not establishedImported pictures
• Not establishedTLC plates and tables

Chemistry intelligence

• Not establishedStructure checking
• Not establishedR/S and E/Z labels
• No: No formula or mass command visible. Opens the cited page.Formula and massNo formula or mass command visible.
• Not establishedProperty estimates
• No: No name input command visible. Opens the cited page.Name to structureNo name input command visible.
• No: No naming command visible. Opens the cited page.Structure to nameNo naming command visible.
• 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
• No: No 3D view control visible. Opens the cited page.3D model viewNo 3D view control visible.
• Not establishedCrystal structures

Files and exchange

• No: No CDXML option in import or export dialog. Opens the cited page.CDXML import and exportNo CDXML option in import or export dialog.
• Not establishedCDX import and export
• No: MOL import and export failed; SDF not tested. Opens the cited page.MOL and SDFMOL import and export failed; SDF not tested.github.com
• No: SMILES import and export failed. Opens the cited page.SMILESSMILES import and export failed.github.com
• Not establishedInChI
• Not establishedRXN files
• No: No SVG option in export dialog. Opens the cited page.SVG exportNo SVG option in export dialog.
• No: No PDF option in export dialog. Opens the cited page.PDF exportNo PDF option in export dialog.
• No: No PNG option in export dialog. Opens the cited page.High-resolution PNGNo PNG option in export dialog.
• Not establishedPaste to and from ChemDraw
• Not establishedEditable in Word or PowerPoint
• Not establishedWindows Office OLE

APIs and automation

• Not establishedPython API
• Yes, according to the manual: Documented JavaScript constructor and configuration options. Opens the cited page.JavaScript or TypeScript APIDocumented JavaScript constructor and configuration options.github.com
• Not establishedCommand-line tool
• Not establishedAI agent control
• Not establishedBuilt-in AI assistant

Embedding and extension

• Partly: Custom disconnection rules accepted through the JavaScript API. Opens the cited page.PluginsCustom disconnection rules accepted through the JavaScript API.raw.githubusercontent.com
• Partly: Current main has syntax error; pin earlier revision. Opens the cited page.Embed in your own appCurrent main has syntax error; pin earlier revision.github.com