Compound search
Search by name, formula, CAS number, PubChem CID, drawn structure, or a random compound.
ChemSearch Chemistry simplified.
Search a compound, check formulas and identifiers, open 2D or 3D structures, read safety notes, save data for offline use, and use chemistry tools when you need a quick result.
Highlights
Structures
Open 2D structures and 3D models from compound records when the source data provides them.
Offline records
Save useful compound details so common records stay available without a connection.
Chemistry tools
Use calculators, converters, the periodic table, and reference data for quick chemistry checks.
Use it in three moves.
Search by what you have, open the record, then save it or use a tool.
Search a compound
Search by name, formula, CAS number, PubChem CID, drawn structure, or a random compound.
Check the record
Review identifiers, formulas, 2D structures, 3D models, synonyms, and safety notes.
Save or calculate
Save records for offline use, or switch to tools for calculations and conversions.
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