ChemCanvasJS

• 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

• Partly: Single and double work; triple tool did not create one. Opens the screenshot.Single, double and triple bondsSingle and double work; triple tool did not create one.github.com
• Partly: Solid and hashed wedges work; no wavy tool visible. Opens the screenshot.Wedge, hash and wavy bondsSolid and hashed wedges work; no wavy tool visible.github.com
• Not establishedDative, hydrogen and quadruple bonds
• Partly: Repeated clicks switch sides; no centered placement. Opens the cited page.Choose double-bond sideRepeated clicks switch sides; no centered placement.github.com
• Partly: Cyclohexane works; no aromatic ring tool visible. Opens the screenshot.Ring toolsCyclohexane works; no aromatic ring tool visible.github.com
• Not establishedChair and Haworth rings
• Not establishedChain tool
• No: No library beyond ring tools visible. Opens the cited page.Template libraryNo library beyond ring tools visible.
• Not establishedSave your own templates
• Not establishedGroup abbreviations
• Partly: Element and plain-text labels; no chemical charge or isotope fields. Opens the cited page.Charges, isotopes and atom labelsElement and plain-text labels; no chemical charge or isotope fields.github.com
• Not establishedRadicals and lone pairs
• Yes, according to the manual: Point at atoms and type to create or extend labels. Opens the cited page.Keyboard drawingPoint at atoms and type to create or extend labels.github.com
• Partly: Whole-molecule move and rotate; no lasso, flip or resize. Opens the cited page.Lasso select and transformsWhole-molecule move and rotate; no lasso, flip or resize.github.com
• Not establishedTilt drawings in perspective

Reactions and mechanisms

• No: No reaction arrow control found. Opens the cited page.Reaction arrowsNo reaction arrow control found.
• No: No curved arrow control found. Opens the cited page.Curved mechanism arrowsNo curved arrow control found.
• 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
• Partly: Temporary blue atom and bond hover highlights only. Opens the cited page.Color highlightingTemporary blue atom and bond hover highlights only.github.com
• Not establishedPage layout and multipage
• Not establishedImported pictures
• Not establishedTLC plates and tables

Chemistry intelligence

• Not establishedStructure checking
• Partly: Limited R/S console output; four-neighbor stereocenters remain unfinished. Opens the cited page.R/S and E/Z labelsLimited R/S console output; four-neighbor stereocenters remain unfinished.github.com
• No: No formula or mass command found. Opens the cited page.Formula and massNo formula or mass command found.
• Not establishedProperty estimates
• No: No name input found. Opens the cited page.Name to structureNo name input found.
• No: No naming command found. Opens the cited page.Structure to nameNo naming command found.
• 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 found. Opens the cited page.3D model viewNo 3D view control found.
• Not establishedCrystal structures

Files and exchange

• No: No CDXML command or format option found. Opens the cited page.CDXML import and exportNo CDXML command or format option found.
• Not establishedCDX import and export
• Partly: MOL imports and logs output; SDF rejected. Opens the cited page.MOL and SDFMOL imports and logs output; SDF rejected.github.com
• No: SMILES file rejected; no paste field found. Opens the cited page.SMILESSMILES file rejected; no paste field found.github.com
• Not establishedInChI
• Not establishedRXN files
• Partly: Shortcut logs SVG element; no file download. Opens the cited page.SVG exportShortcut logs SVG element; no file download.github.com
• Partly: Print generates PDF through browser; includes page headers. Opens the cited page.PDF exportPrint generates PDF through browser; includes page headers.
• Partly: Browser saves canvas PNG; no resolution control in editor. Opens the cited page.High-resolution PNGBrowser saves canvas PNG; no resolution control in editor.
• Not establishedPaste to and from ChemDraw
• Not establishedEditable in Word or PowerPoint
• Not establishedWindows Office OLE

APIs and automation

• Not establishedPython API
• Partly: Canvas constructor example only; no public API reference. Opens the cited page.JavaScript or TypeScript APICanvas constructor example only; no public API reference.github.com
• Not establishedCommand-line tool
• Not establishedAI agent control
• Not establishedBuilt-in AI assistant

Embedding and extension

• Not establishedPlugins
• Partly: MIT; triple bonds unimplemented; example references missing main.js. Opens the cited page.Embed in your own appMIT; triple bonds unimplemented; example references missing main.jsgithub.com