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E-5880 (R,S)-Equol, >99%
Synonyms : [4',7-Isoflavandiol]
- Size
- US $
- €
- £
- ¥
- 100 mg
- 64
- 52
- 47
- 6,600
- In stock
- 300 mg
- 153
- 126
- 112
- 15,900
- In stock
- 500 mg
- 225
- 186
- 165
- 23,400
- In stock
- 1 g
- 362
- 299
- 266
- 37,600
- In stock
- 5 g
- 625
- 517
- 460
- 64,900
- In stock
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- M.W. 242.27
- C15H14O3
- [94105-90-5]
- M.I. 13: 3673
- M.I. 14: 3644
Storage: Store at or below -20 ºC. Solubility: Soluble in DMSO at 200 mg/mL; soluble in ethanol at 200 mg/mL; very poorly soluble in water; maximum solubility in plain water is estimated to be about 20-50 µM; buffers, serum, or other additives may increase or decrease the aqueous solubility. Disposal: A.
- Urinary metabolite of daidzein, produced by humans and horses. Heinonen, S., et al. "Identification of isoflavone metabolites dihydrodaidzein, dihydrogenistein, 6'-OH-O-dma, and cis-4-OH-equol in human urine by gas chromatography-mass spectrometry using authentic reference compounds." Anal. Biochem. 274: 211-219 (1999).
- This product is a racemic mixture of the R- and S-enantiomers. However, the naturally-occurring form of equol from horse urine consists of a single stereoisomer, namely the S-isomer. While the chemical properties of the S-isomer are essentially identical to those of the racemic mixture (except for rotation of plane polarized light, melting point, and so on), the biological properties of the naturally-occurring S-isomer are quite likely to be somewhat different from those of the racemic mixture.
- The CAS number of our racemic Equol product is 94105-90-5, as noted near the top of this page. The CAS number of the naturally-occurring S-isomer is 531-95-3.
- Another CAS number previously assigned to (R,S)-Equol, namely 66036-38-2, has been deleted by CAS and is no longer in use.
- Sold for laboratory or manufacturing purposes only; not for human, medical, veterinary, food, or household use.
