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Daidzein

primary reference standard

Synonym: 4′,7-Dihydroxy­iso­flavone, 7-Hydroxy-3-(4-hydroxy­phenyl)-4H-1-benzo­pyran-4-one, 7-Hydroxy-3-(4-hydroxy­phenyl)­chromone, Isoaurostatin

  • CAS Number 486-66-8

  • Empirical Formula (Hill Notation) C15H10O4

  • Molecular Weight 254.24

  •  Beilstein/REAXYS Number 231523

  •  EC Number 207-635-4

  •  MDL number MFCD00016954

  •  PubChem Substance ID 329747692

  •  NACRES NA.24

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Properties

Related Categories Analytical Standards, Analytical/Chromatography, Flavonoids, Phyto Primary Reference Standards and Extracts (Secondary Reference Standards), Phytochemical Standards More...
grade   primary reference standard
CofA   certificate is enclosed in each package
shelf life   limited shelf life, expiry date on the label
mfr. no.   HWI
Featured Industry   Food and Beverages
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

Produced and qualified by HWI pharma services GmbH.
Exact content by quantitative NMR can be found on the certificate.

Application

Reference standard in the analysis of herbal medicinal products.

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.

Safety & Documentation

Safety Information

RIDADR 
NONH for all modes of transport
WGK Germany 
WGK 3
RTECS 
DJ3100040
Flash Point(F) 
Not applicable
Flash Point(C) 
Not applicable
Protocols & Articles

Articles

HPLC Analysis of Isoflavones in Soy Milk on Ascentis® Express RP Amide (Milk Brand 1)

From our library of Articles, Sigma-Aldrich presents HPLC Analysis of Isoflavones in Soy Milk on Ascentis® Express RP Amide (Milk Brand 1)
Keywords: Chromatography, High performance liquid chromatography, Hormones, Separation

HPLC Analysis of Isoflavones in Soy Milk on Ascentis® Express RP Amide (Milk Brand 2)

From our library of Articles, Sigma-Aldrich presents HPLC Analysis of Isoflavones in Soy Milk on Ascentis® Express RP Amide (Milk Brand 2)
Keywords: Chromatography, High performance liquid chromatography, Hormones, Separation

HPLC Analysis of Isoflavones on Ascentis® Phenyl

From our library of Articles, Sigma-Aldrich presents HPLC Analysis of Isoflavones on Ascentis® Phenyl
Keywords: Chromatography, High performance liquid chromatography, Mass spectrometry, Vitamins

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