ChemAxon Marvin Suite is a desktop chemistry toolkit for drawing, viewing, and converting chemical structures, reactions, and queries. It suits chemists and cheminformatics teams that need accurate 2D and 3D structures, property calculations, and reliable file-format interchange.
ChemAxon Marvin Suite is a set of desktop applications for creating, inspecting, and converting chemical structures, reactions, and queries. MarvinSketch provides the drawing canvas, MarvinView handles table and multi-structure visualisation, and Molconvert performs command-line format conversion. Working in the editor means structures stay chemically valid: valence and consistency checks flag mistakes as they are drawn, stereochemistry is handled with defined R/S and E/Z labels, and structure-based calculator plugins return properties such as charge, pKa, and elemental composition for the molecule on the canvas. Names, CAS numbers, and InChI strings can be pasted and converted into structures automatically, and the same drawing can be exported to publication-ready images or exchanged with other chemistry tools.
ChemAxon Marvin Suite addresses the practical side of structure handling rather than synthesis planning alone. Drawing tools cover reaction schemes with manual or automatic atom mapping, R-group logic, and SMARTS-based queries, so searched databases and patent structures can be represented faithfully. A wide range of formats is read and written, including MOL, SDF, RXN, SMILES, SMARTS, InChI, CML, PDB, and FASTA, which keeps results portable between laboratory systems and registration databases. Structures can be embedded as editable objects in documents and reports, and multi-page documents print directly from the viewer. When a project also involves checking instrument or assay tables stored in relational databases, a tool such as DataGrip gives chemists a structured way to query those records.
ChemAxon Marvin Suite earns its place wherever structures must be correct and reusable. Because the editor understands chemistry, not just graphics, it rejects impossible valences, resolves ambiguous stereocentres, and keeps reaction schemes consistent, which reduces the rework that follows sloppy drawings. Calculator plugins turn the canvas into a quick analysis surface, returning physicochemical properties without exporting to another program or re-entering the molecule by hand. Conversion through Molconvert handles batch translation between formats, useful when registration systems, patents, or collaborators expect different conventions. Publication-quality export means the same structure serves the laboratory notebook, the patent filing, and the presentation slide. Multi-structure views support comparing series of analogues side by side, and paste-from-name or paste-from-InChI entry removes transcription errors when compounds arrive as text rather than files, keeping data quality high from the first sketch.
Key capabilities and highlights.
MarvinSketch offers a fast canvas with keyboard shortcuts, templates, custom styles, and abbreviated groups for building structures, reactions, and queries. Automatic atom mapping, electron-flow arrows, and 2D or 3D cleaning keep schemes readable and chemically consistent across an entire document.
Valence checking, structure validation, and stereochemistry handling treat the drawing as chemistry rather than artwork. Isotopes, charges, radicals, lone pairs, and enhanced stereo labels such as ABS, OR, and AND are represented properly, so structures stay unambiguous when they reach a database.
Calculator plugins run directly on the molecule being edited, returning properties such as protonation state, charge, pKa, logP, elemental analysis, and predicted spectra. Chemists check a compound's behaviour while drawing it instead of exporting the structure and rebuilding it in a separate modelling tool.
Pasting an IUPAC or traditional name, a CAS Registry Number, or an InChI string into the canvas generates the corresponding structure automatically. The reverse direction converts a drawn molecule into standard names and identifiers, which speeds up literature work and reduces transcription errors.
ChemAxon Marvin Suite includes MarvinView for single-molecule, table, and spreadsheet views of structure files, with 2D and 3D representations, animation, and access to non-chemical data fields. Series of analogues can be compared side by side before exporting images as PNG, SVG, PDF, or EPS.
Molconvert converts structures between dozens of representations, including MOL, SDF, RXN, SMILES, SMARTS, InChI, CML, PDB, and FASTA. Batch conversion keeps registration systems, patent workflows, and collaborators working from the same molecules instead of re-typing data by hand.
Structure queries can be built with R-group logic, SMARTS properties, and combinatorial definitions directly in the editor, which suits searching registration databases or visualising patent claims. Query features share the same drawing tools as regular structures, so no separate query language has to be learned.
Structures can be embedded as editable objects in word-processing and presentation documents, keeping drawings live rather than flattened. Styles, colours, fonts, and structure representations are customisable, and multipage documents print directly, so one file serves notebooks, reports, and publications.
Browse historical releases and previous builds.
Common questions about ChemAxon Marvin Suite.
The desktop suite bundles MarvinSketch for drawing structures, reactions, and queries, MarvinView for viewing single and multiple structures, and Molconvert for command-line format conversion. Calculation plugins for chemical properties are available alongside these applications.
It reads and writes formats including MOL, MOL2, SDF, RXN, RDF, SMILES, SMARTS, InChI and RInChI, CML, PDB, FASTA, and its own MRV format. The same converters allow batch translation between representations, so structures can move between registration systems and analysis tools.
Yes. An IUPAC or traditional name, a CAS Registry Number, or an InChI string can be pasted directly onto the canvas and converted into a drawn structure. Structures can also be turned into standard names and identifiers for labelling and search.
Structure-based calculator plugins run on the molecule in the editor and return properties such as charge, protonation state, pKa, logP, elemental analysis, and predicted NMR spectra. Results update as the structure changes, which makes comparison between analogues straightforward.
Reactions can be drawn with reactant, reagent, and product roles, plus electron-flow arrows and manual or automatic atom mapping. Reactants, products, and agents are recorded as separate roles so schemes remain machine-readable for databases and reporting.
Structures and schemes can be exported as PNG, JPEG, SVG, EPS, PDF, and other graphic formats, and drawing styles for fonts, colours, and representations are customisable. Structures inserted into documents remain editable objects, so figures can be updated without redrawing them.
ChemAxon Marvin Suite is a desktop chemistry toolkit for drawing, viewing, and converting chemical structures, reactions, and queries. It suits chemists and cheminformatics teams that need accurate 2D and 3D structures, property calculations, and reliable file-format interchange.
Wolfram Engine 15.0 is the computational engine behind the Wolfram Language, providing symbolic and numerical computation, curated knowledge, visualisation, and machine learning to scripts, applications, and other languages. Developers embed it in tools or drive it from Python, C++, or the command line.
Comments