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Home/Compounds/Research Reagent/(-)-equol
C15H14O3
242.27 g/mol
Research Reagent

Equol

CAS531-95-3EC208-522-2
Category
Research Reagent
Compound Class
Natural Product
Primary Use
Research Compound

Equol is a hydroxyisoflavan produced by the reduction of daidzein by intestinal bacteria in humans. It is commonly found in normal human urine and is used as a metabolite reference standard in pharmaceutical research.

Pharmaceutical research metabolite reference standardMetabolite for intestinal bacterial conversion studies

Content scope: Information here supports chemical identification and industrial supply, research, and manufacturing contexts. It is not a therapeutic claim, medical advice, or drug-use instructions.

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Related Compounds

ReferenceSame Category

Carbamimidothioic acid methyl ester monohydrochloride

CAS53114-57-1

research compound

ReferenceSame Category

2-Bromo-6-methylpyridine

CAS5315-25-3

research compound

ReferenceSame Category

1-hydroxypyrene

CAS5315-79-7

research compound

ReferenceSame Category

2-Ethyl-9,10-bis(phenylethynyl)anthracene

CAS53158-83-1

research compound

Referencestereoisomer of

(+/-)-equol

CAS94105-90-5

research compound

Referencesame scaffold

(+)-vestitol

CAS20879-05-4

pharmaceutical raw material

Customs Tariff Classification

The international HS code for Equol (CAS 531-95-3) is 2932.99.

HS code (international, 6-digit)

2932.99

EU CN code (8-digit)

2932 99 00

Classification per the EU customs inventory ECICS (2026-07 snapshot, HS 2022). National tariff lines and product form can affect the final classification.

Identifiers
IUPAC Name

(3S)-3-(4-hydroxyphenyl)-3,4-dihydro-2H-chromen-7-ol

InChIKey

ADFCQWZHKCXPAJ-GFCCVEGCSA-N

SMILES

C1[C@H](COC2=C1C=CC(=C2)O)C3=CC=C(C=C3)O

Synonyms (26)
  • (3S)-Equol
  • (S)-(-)-4',7-Isoflavandiol
  • (S)-Equol
  • 3' Hydroxy Equol
  • 4' O Methyl Equol
  • 4' methoxy 7 isoflavanol
  • 4',7-Dihydroxyisoflavan
  • 4',7-Isoflavandiol
  • 6' Hydroxy Equol
  • 7,4'-Isoflavandiol
  • EQUOL (S)-FORM
  • EQUOL, (S)-
  • Equol
  • Equol, 4'-O-Methyl
  • S-Equol, >=97% (HPLC)
  • SE 5OH

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