PHL82308

Coumestrol

phyproof^® Reference Substance

• Synonym(s): 7,12-Dihydroxycoumestan
• Empirical Formula (Hill Notation): C₁₅H₈O₅
• CAS Number: 479-13-0
• Molecular Weight: 268.22
• Beilstein: 266702
• MDL number: MFCD00016885
• UNSPSC Code: 41116107
• NACRES: NA.24

Properties

• grade: primary reference standard
• product line: phyproof^® Reference Substance
• Assay: ≥90.0% (HPLC)
• form: powder
• manufacturer/tradename: PhytoLab
• mp: ≥350 °C (lit.)
• SMILES string: Oc1ccc-2c(OC(=O)c3c-2oc4cc(O)ccc34)c1
• InChI: 1S/C15H8O5/c16-7-1-3-9-11(5-7)19-14-10-4-2-8(17)6-12(10)20-15(18)13(9)14/h1-6,16-17H
• InChI key: ZZIALNLLNHEQPJ-UHFFFAOYSA-N

Description

General description

This substance is a primary reference substance with assigned absolute purity (considering chromatographic purity, water, residual solvents, inorganic impurities). The exact value can be found on the certificate. Produced by PhytoLab GmbH & Co. KG

Biochem/physiol Actions

Coumestrol has anti-estrogenic actions in the brain and pituitary, mediated through estrogen receptor-α.

Legal Information

phyproof is a registered trademark of PhytoLab GmbH & Co. KG

Safety Information

• Pictograms: GHS07
• Signal Word: Warning
• Hazard Statements: H302,H315,H319,H335
• Precautionary Statements: P261 - P264 - P270 - P301 + P312 - P302 + P352 - P305 + P351 + P338
• Hazard Classifications: Acute Tox. 4 Oral - Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3
• Target Organs: Respiratory system
• Storage Class Code: 11 - Combustible Solids
• WGK: WGK 3