1162421

Daidzein

United States Pharmacopeia (USP) Reference Standard

• Synonym(s): 4′,7-Dihydroxy­iso­flavone, 7-Hydroxy-3-(4-hydroxy­phenyl)-4H-1-benzo­pyran-4-one, 7-Hydroxy-3-(4-hydroxy­phenyl)­chromone, Isoaurostatin
• Empirical Formula (Hill Notation): C₁₅H₁₀O₄
• CAS Number: 486-66-8
• Molecular Weight: 254.24
• UNSPSC Code: 41116107
• NACRES: NA.24
• PubChem Substance ID: 329749508
• MDL number: MFCD00016954
• Beilstein/REAXYS Number: 231523

Properties

• grade: pharmaceutical primary standard
• agency: USP
• API family: daidzein
• manufacturer/tradename: USP
• application(s): pharmaceutical (small molecule)
• format: neat
• storage temp.: −20°C
• SMILES string: Oc1ccc(cc1)C2=COc3cc(O)ccc3C2=O
• InChI: 1S/C15H10O4/c16-10-3-1-9(2-4-10)13-8-19-14-7-11(17)5-6-12(14)15(13)18/h1-8,16-17H
• InChI key: ZQSIJRDFPHDXIC-UHFFFAOYSA-N

Description

General description

Find answers to frequently asked questions on USP products in USP FAQs.

This product is provided as delivered and specified by the issuing Pharmacopoeia. All information provided in support of this product, including SDS and any product information leaflets have been developed and issued under the Authority of the issuing Pharmacopoeia.
For further information and support please go to the website of the issuing Pharmacopoeia.

Application

Daidzein USP reference standard, intended for use in specified quality tests and assays as specified in the USP compendia. Also, for use with USP monographs such as:

• Red Clover Tablets
• Red Clover Aerial Parts Isoflavone Aglycones Dry Extract
• Powdered Red Clover
• Red Clover
• Soy Isoflavones Capsules
• Soy Isoflavones Tablets
• Powdered Red Clover Extract

Biochem/physiol Actions

Soy isoflavone daidzein protects against oxidative damage in liver cells induced by 7,12-dimethylbenz[a]anthracene (DMBA). Catalase and superoxide dismutase activity, down-regulated by DMBA, was restored by daidzein.

Analysis Note

These products are for test and assay use only. They are not meant for administration to humans or animals and cannot be used to diagnose, treat, or cure diseases of any kind.  ​

Other Notes

Sales restrictions may apply.

Safety Information

• pictograms: GHS07
• signalword: Warning
• hcodes: H315,H319
• pcodes: P264 - P280 - P302 + P352 - P305 + P351 + P338 - P332 + P313 - P337 + P313
• Hazard Classifications: Eye Irrit. 2 - Skin Irrit. 2
• Storage Class: 11 - Combustible Solids
• wgk: WGK 3
• flash_point_f: Not applicable
• flash_point_c: Not applicable