C15H10O4
254.24 g/mol
Food AdditiveWarning
Daidzein
CAS486-66-8EC207-635-4
Category
Food Additive
Compound Class
Natural Product
Primary Use
Isoflavone dietary supplement ingredient
Daidzein is an isoflavone compound naturally present in soybeans and soy products. It is primarily used as a dietary supplement ingredient, with its metabolite equol, produced by gut microflora, being the main active form.
Isoflavone dietary supplement ingredient
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
Dehydroascorbic acid
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oxidized form of vitamin C
ReferenceSame Category
Α-D-glucopyranose
CAS492-62-6
sweetener and energy source
ReferenceSame Category
Ergothioneine
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Antioxidant dietary supplement and cosmetic ingredient
ReferenceSame Category
Isomaltose
CAS499-40-1
Functional sugar sweetener
Referencesame scaffold
Genistein
CAS446-72-0
research compound
Referencesame scaffold
Isoflavone
CAS574-12-9
research compound
Referencesame scaffold
Biochanin A
CAS491-80-5
research compound
Referencesame scaffold
5-methyl-7-methoxyisoflavone
CAS82517-12-2
flavonoid food ingredient
Safety Reference
Warning
H315Causes skin irritation
H319Causes serious eye irritation
Customs Tariff Classification
The international HS code for Daidzein (CAS 486-66-8) 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
7-hydroxy-3-(4-hydroxyphenyl)chromen-4-one
InChIKey
ZQSIJRDFPHDXIC-UHFFFAOYSA-N
SMILES
C1=CC(=CC=C1C2=COC3=C(C2=O)C=CC(=C3)O)O
Synonyms (32)
- Daidzein, United States Pharmacopeia (USP)
- 4',7-Dihydroxyisoflavone
- 4',7-dihydroxy-isoflavon
- 7,4'-Dihydroxyisoflavone
- DAIDZEIN [MART.]
- Daidzein (DAI)
- Daidzein (Standard)
- Daidzein, >=98%, synthetic
- Daidzeol
- Daizeol;
- Diadzein
- Dimethylbiochanin B;
- Isoflavone, 4',7-dihydroxy-
- K 251b
- NPI 031E
- US8552057, 7
- d-(+)-alpha-methylbenzylamine
- daidzein
- formonometin
- isoflavone aglycone
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