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- 1 g
- Purity
- 98%
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CAS Number: 134308-13-7
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CAS Number
134308-13-7
PubChem CID
4659569
Molecular Formula
C14H11NO5
Molecular Weight
273.24 g/mol
Exact Mass
273.063722
InChIKey
MIQPIUSUKVNLNT-UHFFFAOYSA-N
IUPAC Name
(3,4-dihydroxy-5-nitrophenyl)-(4-methylphenyl)methanone
SMILES String
Cc1ccc(C(=O)c2cc(O)c(O)c([N+](=O)[O-])c2)cc1
Water Solubility
0.0569 g/L
Properties are provided as catalog reference data and may be confirmed through supplier documentation when required.
Structural features
Tolcapone (CAS 134308-13-7) is listed in the Advanced Chemicals portfolio, with molecular formula C14H11NO5 and molecular weight 273. 24 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; structure-derived tags include nitrogen-containing heterocycle.
Documentation needs
COA/SDS status, availability, lead time, pack size, and shipment documentation can be confirmed during quotation.
ChEMBL reports experimental activity evidence for: Catechol O-methyltransferase (Rattus norvegicus) — 31 assays; Transthyretin (Homo sapiens) — 38 assays; Catechol O-methyltransferase (Homo sapiens) — 6 assays; Genome polyprotein (dengue virus type 2) — 7 assays; Progesterone receptor (Homo sapiens) — 2 assays. These records describe research assays and do not establish therapeutic efficacy or clinical use.
Catechol O-methyltransferase
Rattus norvegicus · SINGLE PROTEIN · 31 qualifying assays · 6 documents · best pChEMBL 9.04
Experimental evidence source: ChEMBL
Transthyretin
Homo sapiens · SINGLE PROTEIN · 38 qualifying assays · 4 documents · best pChEMBL 7.69
Experimental evidence source: ChEMBL
Catechol O-methyltransferase
Homo sapiens · SINGLE PROTEIN · 6 qualifying assays · 6 documents · best pChEMBL 6.9
Experimental evidence source: ChEMBL
Genome polyprotein
dengue virus type 2 · SINGLE PROTEIN · 7 qualifying assays · 3 documents · best pChEMBL 6.19
Experimental evidence source: ChEMBL
Progesterone receptor
Homo sapiens · SINGLE PROTEIN · 2 qualifying assays · 1 documents · best pChEMBL 5.96
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.
Tolcapone is identified by CAS 134308-13-7, with molecular formula C14H11NO5, molecular weight 273.24, InChIKey MIQPIUSUKVNLNT-UHFFFAOYSA-N.
ChEMBL contains qualifying experimental assay evidence associated with Catechol O-methyltransferase, Transthyretin, Catechol O-methyltransferase, Genome polyprotein, Progesterone receptor. 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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