Elk_Draw RDKit

• 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
• Yes, according to the manual: Haworth ring templates; vendor claim. Opens the cited page.Chair and Haworth ringsHaworth ring templates; vendor claim.github.com
• Not establishedChain tool
• Yes, according to the manual: Fragment library includes cages, reagents and natural products; vendor claim. Opens the cited page.Template libraryFragment library includes cages, reagents and natural products; vendor claim.github.com
• Not establishedSave your own templates
• Not establishedGroup abbreviations
• Not establishedCharges, isotopes and atom labels
• Not establishedRadicals and lone pairs
• Not establishedKeyboard drawing
• Not establishedLasso select and transforms
• Yes, according to the manual: Host–guest drawings rotate in 3D with depth layers; vendor claim. Opens the cited page.Tilt drawings in perspectiveHost–guest drawings rotate in 3D with depth layers; vendor claim.github.com

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
• Yes, according to the manual: Draws editable shapes and brackets; vendor claim. Opens the cited page.Shapes, brackets and curvesDraws editable shapes and brackets; vendor claim.github.com
• Not establishedAlign and distribute
• Not establishedGroup and ungroup
• Yes, according to the manual: Clean Up tidies selected structures or the entire drawing; vendor claim. Opens the cited page.2D structure cleanupClean Up tidies selected structures or the entire drawing; vendor claim.github.com
• Not establishedJournal drawing styles
• Not establishedReusable custom styles
• Not establishedColor control
• Yes, according to the manual: Shading and Colour supports adjustable halos extending beyond bonds. Opens the cited page.Color highlightingShading and Colour supports adjustable halos extending beyond bonds.github.com
• Not establishedPage layout and multipage
• Not establishedImported pictures
• Not establishedTLC plates and tables

Chemistry intelligence

• Yes, according to the manual: Valence problems are marked; vendor claim. Opens the cited page.Structure checkingValence problems are marked; vendor claim.github.com
• Yes, according to the manual: R/S labels follow wedge/hash stereochemistry; vendor claim. Opens the cited page.R/S and E/Z labelsR/S labels follow wedge/hash stereochemistry; vendor claim.github.com
• Yes, according to the manual: Formula, molecular weight and exact mass panel; vendor claim. Opens the cited page.Formula and massFormula, molecular weight and exact mass panel; vendor claim.github.com
• Yes, according to the manual: Properties panel calculates logP and TPSA; vendor claim. Opens the cited page.Property estimatesProperties panel calculates logP and TPSA; vendor claim.github.com
• Not establishedName to structure
• Not establishedStructure to name
• No: Explicitly excluded from this edition. Opens the cited page.NMR predictionExplicitly excluded from this edition.github.com
• Not establishedR-groups and query structures
• Not establishedPolymers and repeat units
• Not establishedPeptides and nucleic acids
• Not establishedImage to structure
• Not establishedOnline structure lookup
• Not established3D model view
• Not establishedCrystal structures

Files and exchange

• Yes, according to the manual: Explicitly reads and writes CDXML; vendor claim. Opens the cited page.CDXML import and exportExplicitly reads and writes CDXML; vendor claim.github.com
• Yes, according to the manual: Explicitly reads and writes CDX; vendor claim. Opens the cited page.CDX import and exportExplicitly reads and writes CDX; vendor claim.github.com
• Not establishedMOL and SDF
• Yes, according to the manual: SMILES input files and calculated SMILES output; vendor claim. Opens the cited page.SMILESSMILES input files and calculated SMILES output; vendor claim.github.com
• Yes, according to the manual: InChI output omits coordinate bonds; vendor claim. Opens the cited page.InChIInChI output omits coordinate bonds; vendor claim.github.com
• Not establishedRXN files
• Not establishedSVG export
• Not establishedPDF export
• Not establishedHigh-resolution PNG
• Not establishedPaste to and from ChemDraw
• Yes, according to the manual: Double-click inserted Word structures to edit in Elk_Draw; vendor claim. Opens the cited page.Editable in Word or PowerPointDouble-click inserted Word structures to edit in Elk_Draw; vendor claim.github.com
• Yes, according to the manual: Windows Word supports embedded objects reopened by double-click in Elk_Draw. Opens the cited page.Windows Office OLEWindows Word supports embedded objects reopened by double-click in Elk_Draw.github.com

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: Word OLE roundtrip exists; editor running inside Word remains unverified.Embed in your own appWord OLE roundtrip exists; editor running inside Word remains unverified.github.com