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USP

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

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About This Item

Empirical Formula (Hill Notation):
C15H10O4
CAS Number:
486-66-8
Molecular Weight:
254.24
Beilstein:
231523
MDL number:
MFCD00016954
UNSPSC Code:
41116107
PubChem Substance ID:
329749508
NACRES:
NA.24

grade

pharmaceutical primary standard

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

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General description

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.

related product

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Description
Pricing

Pictograms

Exclamation mark
GHS07

Signal Word

Warning

Hazard Statements

H315,H319

Hazard Classifications

Eye Irrit. 2 - Skin Irrit. 2

Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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