Daidzein
USP/1162421 - United States Pharmacopeia (USP) Reference Standard
Synonym: 4′,7-Dihydroxyisoflavone; 7-
CAS Number: 486-66-8
Empirical Formula (Hill Notation): C15H10O4
Molecular Weight: 254.24
MDL Number: MFCD00016954
Linear Formula: C15H10O4
Product Type: Chemical
| API family | daidzein |
| application(s) | pharmaceutical (small molecule) |
| format | neat |
| grade | pharmaceutical primary standard |
| InChI | 1S/C15H10O4/c16-10-3-1-9( |
| InChI key | ZQSIJRDFPHDXIC-UHFFFAOYSA |
| manufacturer/tradename | USP |
| SMILES string | Oc1ccc(cc1)C2=COc3cc(O)cc |
| storage temp. | −20°C |
| 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. |
| 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]anthr |
| 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 ![]() |
| Other Notes: | Sales restrictions may apply. |
| Symbol | GHS07 |
| Signal word | Warning |
| Hazard statements | H315 - H319 |
| Precautionary statements | P264 - P280 - P302 + P352 - P305 + P351 + P338 - P332 + P313 - P337 + P313 |
| RIDADR | NONH for all modes of transport |
| WGK Germany | WGK 3 |
| Flash Point(F) | Not applicable |
| Flash Point(C) | Not applicable |
| Storage Temp. | −20°C |
| UNSPSC | 41116107 |


