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API Reference Standards

Coumestrol

Reference StandardAvailable on request

Coumestrol (CAS 479-13-0) supplier Zemixal. Request a quote with price, lead time and documents. Packs from 10 mg. Part of our API Reference Standards range.

Pack sizes
Coumestrol chemical structure
CAS number479-13-0
FormulaC15H8O5
Molar mass268.22 g/mol
Physical formSolid
HS code38229090
InChIKeyZZIALNLLNHEQPJ-UHFFFAOYSA-N
IUPAC name3,9-dihydroxy-[1]benzofuro[3,2-c]chromen-6-one

About Coumestrol

Researchers and plant chemists source Coumestrol from Zemixal for routine and specialised work. Key data (Reference Standard): CAS 479-13-0, formula C15H8O5 and molar mass 268.22 g/mol. It is handled as a solid.

Use cases we see most often

  • Identification & assay
  • Method development & validation
  • QC reference material

Handling and storage

Classified under GHS with signal word Warning and hazard statements H302, H315, H319 and H335. Read the SDS before first use.

Standard pack sizes are 10 mg, 25 mg, 50 mg and 100 mg, and custom quantities are quoted on request. Each lot travels with a certificate of analysis with characterisation data. Add it to your quote list and our team replies with price, lead time and shipping options within one business day.

Typical uses

  • Identification & assay
  • Method development & validation
  • QC reference material

Applications

Specifications and identifiers

Specifications of Coumestrol
Product nameCoumestrol
Catalogue numberZX-038984
CAS number479-13-0
IUPAC name3,9-dihydroxy-[1]benzofuro[3,2-c]chromen-6-one
Molecular formulaC15H8O5
Molar mass268.22 g/mol
Exact mass268.0372
GradeReference Standard
Physical formSolid
XLogP32.8
H-bond donors / acceptors2 / 5
Topological polar surface area79.9 Ų
HS code38229090
InChIKeyZZIALNLLNHEQPJ-UHFFFAOYSA-N
SMILESC1=CC2=C(C=C1O)OC3=C2C(=O)OC4=C3C=CC(=C4)O
PubChem CID5281707
SynonymsCumoestrol, Cumostrol, 3,9-Dihydroxycoumestan, 3,9-Dihydroxy-6H-benzofuro(3,2-c)(1)benzopyran-6-one, 6H-Benzofuro[3,2-c][1]benzopyran-6-one, 3,9-dihydroxy-, 6H-Benzofuro(3,2-c)(1)benzopyran-6-one, 3,9-dihydroxy-, 3,9-dihydroxy-(1)benzofuro(3,2-c)chromen-6-one, Cumoesterol, 3,9-Dihydroxy-6H-[1]benzofuro[3,2-c]chromen-6-one, Cumestrol, 3,9-dihydroxy-6H-benzofuro[3,2-c]chromen-6-one, 3,9-dihydroxybenzofuro[3,2-c]chromen-6-one

Lot values are stated on the batch certificate of analysis. Ask for a typical COA with your quotation.

Safety and GHS hazards

GHS07 Irritant or harmful
Irritant or harmful

Signal word Warning

  • H302Harmful if swallowed
  • H315Causes skin irritation
  • H319Causes serious eye irritation
  • H335May cause respiratory irritation

Precautionary statements P261, P264, P264 + P265, P270, P271, P280, P301 + P317, P302 + P352, P304 + P340, P305 + P351 + P338, P319, P321, P330, P332 + P317, P337 + P317, P362 + P364, P403 + P233, P405, P501

Classification summarised from public GHS notifications. It can vary with grade and concentration, so always follow the SDS supplied with your lot.

Pack sizes

Pack sizes of Coumestrol
10 mgQuoted on request
25 mgQuoted on request
50 mgQuoted on request
100 mgQuoted on request

Need a different size? Bulk drums and custom packing are quoted on request through the quote form on this page.

Questions about Coumestrol

Which CAS number identifies Coumestrol?
Coumestrol is registered under CAS 479-13-0. You may also see it listed as Cumoestrol, Cumostrol, 3,9-Dihydroxycoumestan. Our catalogue number for this item is ZX-038984.
What are the formula and molar mass of Coumestrol?
For Coumestrol, its formula is C15H8O5 and its molar mass is 268.22 g/mol. The systematic (IUPAC) name is 3,9-dihydroxy-[1]benzofuro[3,2-c]chromen-6-one. InChIKey ZZIALNLLNHEQPJ-UHFFFAOYSA-N lets you match it in any structure database.
What grade and pack sizes are available for Coumestrol?
This listing is Reference Standard grade. Standard packs are 10 mg, 25 mg, 50 mg, 100 mg. Larger quantities and custom packing can be quoted on request.
Which documents come with Coumestrol?
Each lot ships with a batch certificate of analysis and a 16-section GHS safety data sheet. A typical COA or specification sheet can be shared with the quotation before you order.
Can Zemixal ship Coumestrol to my country?
Yes. Because Coumestrol is classed as hazardous, it travels in UN-approved packaging as dangerous goods under IATA or IMDG rules, with the export paperwork your broker needs.

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