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- Purity
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CAS Number: 91-64-5
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CAS Number
91-64-5
PubChem CID
323
Molecular Formula
C9H6O2
Molecular Weight
146.14 g/mol
Exact Mass
146.036779
InChIKey
ZYGHJZDHTFUPRJ-UHFFFAOYSA-N
IUPAC Name
chromen-2-one
SMILES String
C1=CC=C2C(=C1)C=CC(=O)O2
Appearance
Coumarin appears as colorless crystals, flakes or colorless to white powder with a pleasant fragrant vanilla odor and a bitter aromatic burning taste. (NTP, 1992)
Melting Point
67.78–71 °C
Boiling Point
301.7 °C
Flash Point
150.0 °C
Properties are provided as catalog reference data and may be confirmed through supplier documentation when required.
Structural features
Coumarin (CAS 91-64-5) is listed in the Advanced Chemicals portfolio, with molecular formula C9H6O2 and molecular weight 146. 14 g/mol.
Sourcing context
Catalog reference for RFQ preparation, supplier confirmation, and research chemical sourcing review.
Research use context
Intended for research building-block and synthetic chemistry workflows.
Documentation needs
COA/SDS status, availability, lead time, pack size, and shipment documentation can be confirmed during quotation.
ChEMBL reports experimental activity evidence for: Sclerostin (Homo sapiens) — 2 assays; Carbonic anhydrase 1 (Homo sapiens) — 10 assays; Carbonic anhydrase 4 (Homo sapiens) — 2 assays; Carbonic anhydrase 12 (Homo sapiens) — 4 assays; Carbonic anhydrase 2 (Homo sapiens) — 9 assays. These records describe research assays and do not establish therapeutic efficacy or clinical use.
Sclerostin
Homo sapiens · SINGLE PROTEIN · 2 qualifying assays · 1 documents · best pChEMBL 6.64
Experimental evidence source: ChEMBL
Carbonic anhydrase 1
Homo sapiens · SINGLE PROTEIN · 10 qualifying assays · 10 documents · best pChEMBL 5.51
Experimental evidence source: ChEMBL
Carbonic anhydrase 4
Homo sapiens · SINGLE PROTEIN · 2 qualifying assays · 2 documents · best pChEMBL 5.17
Experimental evidence source: ChEMBL
Carbonic anhydrase 12
Homo sapiens · SINGLE PROTEIN · 4 qualifying assays · 4 documents · best pChEMBL 5.05
Experimental evidence source: ChEMBL
Carbonic anhydrase 2
Homo sapiens · SINGLE PROTEIN · 9 qualifying assays · 9 documents · best pChEMBL 5.04
Experimental evidence source: ChEMBL
Safety and handling reference content is available through documentation requests.
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Preliminary Safety Reference
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Safety Reference / SDS RequestCatalog navigation
Other public CAS pages in this catalog. These links support navigation across additional intermediates and do not imply equivalence, availability, or shared use.
Coumarin is identified by CAS 91-64-5, with molecular formula C9H6O2, molecular weight 146.14, InChIKey ZYGHJZDHTFUPRJ-UHFFFAOYSA-N.
ChEMBL contains qualifying experimental assay evidence associated with Sclerostin, Carbonic anhydrase 1, Carbonic anhydrase 4, Carbonic anhydrase 12, Carbonic anhydrase 2. These records do not establish therapeutic efficacy or clinical use.
Yes. Submit an RFQ and specify COA requirements. Lot-specific COA depends on supplier confirmation.
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