Polymers and repeat units

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• Yes, according to the manual: Semantic repeat units, copolymer types, counts and connectivity. Opens the cited page.ChemDrawSemantic repeat units, copolymer types, counts and connectivity.
• Partly: Typed repeat units; only finite ordinary head-to-tail chemistry expands. Opens the cited page.ReShikiTyped repeat units; only finite ordinary head-to-tail chemistry expands.Source
• Yes, according to the manual: Repeat-unit brackets attach to selected atoms; n/m labels editable. Opens the cited page.MolDrawRepeat-unit brackets attach to selected atoms; n/m labels editable.Source
• Yes, according to the manual: Semantic repeat units contribute to molecular formulae and masses. Opens the cited page.Octet DrawSemantic repeat units contribute to molecular formulae and masses.Source
• Partly: S-Group tool visible. Opens the cited page.SketchIQS-Group tool visible.
• Yes, according to the manual: Chemical repeat units; SRU and CDXML/CDX round-trip. Opens the cited page.Reactio DrawChemical repeat units; SRU and CDXML/CDX round-trip.Source
• Yes, according to the manual: SRU and copolymer S-groups. Opens the cited page.ChemEditSRU and copolymer S-groups.Source
• Yes, according to the manual. Opens the cited page.Chem IllustratorSource
• Yes, according to the manual: Attach S-Group supports SRU labels and repeat-unit connectivity. Opens the cited page.ChemThisTryAttach S-Group supports SRU labels and repeat-unit connectivity.Source
• Yes, according to the manual: Semantic repeat units support bounded two-attachment expansion. Opens the cited page.Chematic DrawSemantic repeat units support bounded two-attachment expansion.Source
• Yes, according to the manual: Embedded Ketcher supports SRU polymers, connectivity and copolymer subtypes. Opens the cited page.FreeChemDrawEmbedded Ketcher supports SRU polymers, connectivity and copolymer subtypes.Source
• Yes, according to the manual: SRU/COP S-groups preserve repeat-unit connectivity and labels. Opens the cited page.vibe-sketcherSRU/COP S-groups preserve repeat-unit connectivity and labels.Source
• Yes, according to the manual: Structural repeating units include polymer connectivity semantics. Opens the cited page.KendrawStructural repeating units include polymer connectivity semantics.Source
• Yes, according to the manual. Opens the cited page.BoltzDrawSource
• Yes, according to the manual: Ketcher SRU polymers and copolymer S-groups. Opens the cited page.MolbrettKetcher SRU polymers and copolymer S-groups.Source
• Yes, according to the manual: Chemical repeat groups support variable polymers and fixed-count oligomers. Opens the cited page.Sciformation VectorMolChemical repeat groups support variable polymers and fixed-count oligomers.Source
• Yes, according to the manual: Repeat units associate boundary bonds and repeat-count ranges. Opens the cited page.ChemDoodle Web ComponentsRepeat units associate boundary bonds and repeat-count ranges.Source
• Yes, according to the manual: Ketcher represents SRU polymers and copolymer connectivity. Opens the cited page.Chemeditor (Chemrise)Ketcher represents SRU polymers and copolymer connectivity.Source
• Partly: Bracket tool visible. Opens the cited page.MolView.comBracket tool visible.
• Yes, according to the manual: SRU and copolymer S-groups encode repeating units and connectivity. Opens the cited page.KetcherSRU and copolymer S-groups encode repeating units and connectivity.Source
• Yes, according to the manual: Semantic SRU and copolymer groups include repeat-connectivity options. Opens the cited page.AI Chemical Drawing (CubicZnS)Semantic SRU and copolymer groups include repeat-connectivity options.Source
• Partly: Node-anchored delimiters and indices; graphical repeat representation only. Opens the cited page.chemfigNode-anchored delimiters and indices; graphical repeat representation only.Source
• Yes, according to the manual: SRU repeat units with head-to-tail or head-to-head connectivity. Opens the cited page.KetchDrawSRU repeat units with head-to-tail or head-to-head connectivity.Source
• Yes, according to the manual: SRU polymers, copolymers and repeat patterns. Opens the cited page.Schrödinger SketcherSRU polymers, copolymers and repeat patterns.Source
• Yes, according to the manual: Native repeat semantics, attachments, crossing bonds, and repeat-unit expansion. Opens the cited page.ChemSemaNative repeat semantics, attachments, crossing bonds, and repeat-unit expansion.Source
• Yes, according to the manual: Semantic SRU brackets retain repeat ranges and support bounded expansion. Opens the cited page.Structura (chem-structura)Semantic SRU brackets retain repeat ranges and support bounded expansion.Source
• Yes, according to the manual: Dedicated repeat-unit objects link structural groups and repeat labels. Opens the cited page.MolSketchDedicated repeat-unit objects link structural groups and repeat labels.Source
• Partly: A repeat-unit bracket tool is visible. Opens the cited page.Dotmatics Elemental / Elemental DrawA repeat-unit bracket tool is visible.
• Yes, according to the manual: Polymer units store connectivity beyond their drawn brackets. Opens the cited page.SketchEl 2Polymer units store connectivity beyond their drawn brackets.Source
• Yes, according to the manual: Semantic SRU repeat units with connectivity and MOL serialization. Opens the cited page.Ketcherails (ketcher-rails)Semantic SRU repeat units with connectivity and MOL serialization.Source
• Partly: Repeat counts parse and display; component resolution and expansion are unimplemented. Opens the cited page.ChemMDRepeat counts parse and display; component resolution and expansion are unimplemented.Source
• Yes, according to the manual. Opens the cited page.WebMolKitSource
• Partly: Group control shown; chemical repeat representation unverified. Opens the cited page.vue-chemdraw (0chem)Group control shown; chemical repeat representation unverified.
• Yes, according to the manual: Integer repeat counts expand into all-atom structures. Opens the cited page.ChemDoodle 2DInteger repeat counts expand into all-atom structures.Source
• Yes, according to the manual: Polymer presets create atom-linked repeating units with editable SRU brackets. Opens the cited page.LabCanvas Figure Editor / MolDrawPolymer presets create atom-linked repeating units with editable SRU brackets.Source
• Yes, according to the manual. Opens the cited page.Marvin Desktop Suite / MarvinSketchSource
• Yes, according to the manual: Recognizes bracket-associated repeat units and supports polymer connection points. Opens the cited page.ChemDraft (元素智研)Recognizes bracket-associated repeat units and supports polymer connection points.Source
• Yes, according to the manual. Opens the cited page.InDrawSource
• Yes, according to the manual: Repeating units, SRU polymers, link nodes and copolymers. Opens the cited page.Marvin JSRepeating units, SRU polymers, link nodes and copolymers.Source
• Yes, according to the manual: Supports polymer Sgroups and expansion of MULT bracket structures. Opens the cited page.BIOVIA DrawSupports polymer Sgroups and expansion of MULT bracket structures.Source
• Yes, according to the manual: SRU and copolymer groups encode repeat-unit connectivity. Opens the cited page.Chemistry DrawSRU and copolymer groups encode repeat-unit connectivity.Source
• Yes, according to the manual: Polymer units carry stoichiometric coefficients. Opens the cited page.GChemPaintPolymer units carry stoichiometric coefficients.Source
• Yes, according to the manual: Depicts imported repeat-unit and link-node notation. Opens the cited page.AtomLensDepicts imported repeat-unit and link-node notation.Source
• Yes, according to the manual: JSDraw polymer repeats are rendered and exported in Molfile. Opens the cited page.JSDrawJSDraw polymer repeats are rendered and exported in Molfile.Source
• Yes, according to the manual: Repeat-unit templates and polymer brackets; vendor claim. Opens the cited page.Chem Sketcher (Non_REM.Persona Laboratory)Repeat-unit templates and polymer brackets; vendor claim.Source

Not available

• No: Polymer repeat units are planned; current brackets are graphical. Opens the cited page.ChemDraftPolymer repeat units are planned; current brackets are graphical.Source
• No: No repeat-unit model. Opens the cited page.ErezDrawNo repeat-unit model.Source
• No: Repeat-unit brackets are graphical; chemical polymer export unsupported. Opens the cited page.OpenReactionsRepeat-unit brackets are graphical; chemical polymer export unsupported.Source
• No: Polymerization hints only; no editable polymer repeat-unit representation. Opens the cited page.Molecule Builder (OvOHongYu)Polymerization hints only; no editable polymer repeat-unit representation.Source
• No: S-groups and repeat-unit semantics require a future data model. Opens the cited page.XDrawChemS-groups and repeat-unit semantics require a future data model.Source
• No: Polymer repeat-unit and SRU semantics remain planned. Opens the cited page.ChemifreePolymer repeat-unit and SRU semantics remain planned.Source