Kekule.js

• 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: Drew single, double and triple bonds. Opens the screenshot.Single, double and triple bondsDrew single, double and triple bonds.github.com
• Partly: Drew solid and hashed wedges; no wavy tool visible. Opens the screenshot.Wedge, hash and wavy bondsDrew solid and hashed wedges; no wavy tool visible.github.com
• Yes, according to the manual: Coordinate and hydrogen bonds; coordinate tool requires configuration. Opens the cited page.Dative, hydrogen and quadruple bondsCoordinate and hydrogen bonds; coordinate tool requires configuration.github.com
• Not establishedChoose double-bond side
• Yes, tested by running it: Drew benzene and cyclopentane; other sizes shown. Opens the screenshot.Ring toolsDrew benzene and cyclopentane; other sizes shown.github.com
• Yes, tested by running it: Placed cyclohexane chair; Haworth tools also shown. Opens the screenshot.Chair and Haworth ringsPlaced cyclohexane chair; Haworth tools also shown.github.com
• Yes, according to the manual: Dragging controls zigzag chain length and displays atom count. Opens the cited page.Chain toolDragging controls zigzag chain length and displays atom count.github.com
• Yes, tested by running it: Placed Fischer projection; sawhorse templates also shown. Opens the cited page.Template libraryPlaced Fischer projection; sawhorse templates also shown.github.com
• Partly: Reusable serialized template API; user-save interface unverified. Opens the cited page.Save your own templatesReusable serialized template API; user-save interface unverified.github.com
• Yes, according to the manual: Ph and OMe abbreviations contain underlying molecular structures. Opens the cited page.Group abbreviationsPh and OMe abbreviations contain underlying molecular structures.github.com
• Yes, according to the manual: Atom input supports isotopes, charges and arbitrary pseudoatom labels. Opens the cited page.Charges, isotopes and atom labelsAtom input supports isotopes, charges and arbitrary pseudoatom labels.github.com
• Yes, according to the manual: Radical states and lone-pair electron markers. Opens the cited page.Radicals and lone pairsRadical states and lone-pair electron markers.github.com
• Yes, according to the manual: Keyboard operations preferentially target hovered atoms and bonds. Opens the cited page.Keyboard drawingKeyboard operations preferentially target hovered atoms and bonds.github.com
• Yes, according to the manual: Lasso, rotate and resize; negative scaling implements flipping. Opens the cited page.Lasso select and transformsLasso, rotate and resize; negative scaling implements flipping.github.com
• Not establishedTilt drawings in perspective

Reactions and mechanisms

• Yes, tested by running it: Drew normal and reversible arrows. Opens the screenshot.Reaction arrowsDrew normal and reversible arrows.github.com
• Partly: Drew single- and double-electron arcs; editing unverified. Opens the screenshot.Curved mechanism arrowsDrew single- and double-electron arcs; editing unverified.github.com
• Yes, according to the manual: API extracts chemical reactants and products from drawn reaction documents. Opens the cited page.Machine-readable reactionsAPI extracts chemical reactants and products from drawn reaction documents.github.com
• Not establishedAtom mapping
• Yes, according to the manual: Chemical symbol tools include plus signs, heat and light. Opens the cited page.Orbitals and symbolsChemical symbol tools include plus signs, heat and light.github.com

Figures and layout

• Partly: Font styling exists; canvas text blocks store plain text. Opens the cited page.Rich text captionsFont styling exists; canvas text blocks store plain text.github.com
• Yes, according to the manual: Editable line segments and arc curves. Opens the cited page.Shapes, brackets and curvesEditable line segments and arc curves.github.com
• Not establishedAlign and distribute
• Not establishedGroup and ungroup
• Yes, according to the manual: 2D coordinate regeneration requires an optional chemistry adapter. Opens the cited page.2D structure cleanup2D coordinate regeneration requires an optional chemistry adapter.github.com
• Not establishedJournal drawing styles
• Not establishedReusable custom styles
• Yes, according to the manual: Individual selected objects accept custom colors. Opens the cited page.Color controlIndividual selected objects accept custom colors.github.com
• Partly: Colored selection overlays; excluded from image export. Opens the cited page.Color highlightingColored selection overlays; excluded from image export.github.com
• Not establishedPage layout and multipage
• Yes, according to the manual: Image blocks can be inserted into chemical drawings. Opens the cited page.Imported picturesImage blocks can be inserted into chemical drawings.partridgejiang.github.io
• Not establishedTLC plates and tables

Chemistry intelligence

• Yes, according to the manual: Reports abnormal atom valences as errors. Opens the cited page.Structure checkingReports abnormal atom valences as errors.github.com
• Partly: Computes parity instead of R/S or E/Z descriptors. Opens the cited page.R/S and E/Z labelsComputes parity instead of R/S or E/Z descriptors.partridgejiang.github.io
• Partly: Molecular formula confirmed; molecular mass calculation unverified. Opens the cited page.Formula and massMolecular formula confirmed; molecular mass calculation unverified.partridgejiang.github.io
• Not establishedProperty estimates
• No: No name conversion control found in hosted editor. Opens the cited page.Name to structureNo name conversion control found in hosted editor.
• No: No naming command found in hosted editor. Opens the cited page.Structure to nameNo naming command found in hosted editor.
• Not establishedNMR prediction
• Yes, according to the manual: R-group nodes and allowed or disallowed atom lists. Opens the cited page.R-groups and query structuresR-group nodes and allowed or disallowed atom lists.github.com
• Not establishedPolymers and repeat units
• Not establishedPeptides and nucleic acids
• Not establishedImage to structure
• Not establishedOnline structure lookup
• Yes, according to the manual: Rotatable wire, stick, ball-and-stick and space-filling models. Opens the cited page.3D model viewRotatable wire, stick, ball-and-stick and space-filling models.partridgejiang.github.io
• Not establishedCrystal structures

Files and exchange

• No: CDXML absent from load and save format lists. Opens the cited page.CDXML import and exportCDXML absent from load and save format lists.
• Not establishedCDX import and export
• Yes, tested by running it: Imported and saved MOL and SDF. Opens the screenshot.MOL and SDFImported and saved MOL and SDF.github.com
• Partly: SMILES export worked; load dialog lacks SMILES format. Opens the cited page.SMILESSMILES export worked; load dialog lacks SMILES format.github.com
• Yes, according to the manual: Optional InChI library supplies output and InChIKey generation. Opens the cited page.InChIOptional InChI library supplies output and InChIKey generation.github.com
• Yes, according to the manual: Reads and writes RXN2000 and RXN3000. Opens the cited page.RXN filesReads and writes RXN2000 and RXN3000.github.com
• Yes, according to the manual: SVG export through the optional Raphaël rendering bridge. Opens the cited page.SVG exportSVG export through the optional Raphaël rendering bridge.github.com
• No: No PDF option in save dialog. Opens the cited page.PDF exportNo PDF option in save dialog.
• Partly: PNG output exists; 300 dpi export is unverified. Opens the cited page.High-resolution PNGPNG output exists; 300 dpi export is unverified.github.com
• No: Clipboard uses internal local storage; native clipboard unavailable. Opens the cited page.Paste to and from ChemDrawClipboard uses internal local storage; native clipboard unavailable.partridgejiang.github.io
• Not establishedEditable in Word or PowerPoint
• Not establishedWindows Office OLE

APIs and automation

• Not establishedPython API
• Yes, according to the manual: JavaScript API creates, loads and controls the Composer editor. Opens the cited page.JavaScript or TypeScript APIJavaScript API creates, loads and controls the Composer editor.partridgejiang.github.io
• Not establishedCommand-line tool
• Not establishedAI agent control
• Not establishedBuilt-in AI assistant

Embedding and extension

• Yes, according to the manual: Register custom editor interaction controllers through the documented API. Opens the cited page.PluginsRegister custom editor interaction controllers through the documented API.partridgejiang.github.io
• Yes, according to the manual: Load scripts/CSS; instantiate Kekule.Editor.Composer(div), or use <kekule-composer>. Opens the cited page.Embed in your own appLoad scripts/CSS; instantiate Kekule.Editor.Composer(div), or use <kekule-composer>.github.com