WARNING: This product is for research use only, not for human or veterinary use.

MedKoo CAT#: 561538

CAS#: 552-66-9

Description: Daidzin is an aldehyde dehydrogenase 2 inhibitor. It decreases DNA damage but does not alter transmitter release by cisplatin. Daidzin is also an antidipsotropic agent, and shows potential for the treatment of alcohol dependency.

Chemical Structure

CAS# 552-66-9

Theoretical Analysis

MedKoo Cat#: 561538
Name: Daidzin
CAS#: 552-66-9
Chemical Formula: C21H20O9
Exact Mass: 416.1107
Molecular Weight: 416.382
Elemental Analysis: C, 60.58; H, 4.84; O, 34.58

Price and Availability

Size Price Availability Quantity
10.0mg USD 200.0 2 Weeks
50.0mg USD 475.0 2 Weeks
100.0mg USD 845.0 2 Weeks
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Synonym: Daidzin; Daidzein 7-O-glucoside;

IUPAC/Chemical Name: 3-(4-Hydroxyphenyl)-7-[(2S,3R,4S,5S,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxychromen-4-one


InChi Code: InChI=1S/C21H20O9/c22-8-16-18(25)19(26)20(27)21(30-16)29-12-5-6-13-15(7-12)28-9-14(17(13)24)10-1-3-11(23)4-2-10/h1-7,9,16,18-23,25-27H,8H2/t16-,18-,19+,20-,21-/m1/s1

SMILES Code: O=C1C(C2=CC=C(O)C=C2)=COC3=C1C=CC(O[C@@H]4O[C@H](CO)[C@@H](O)[C@H](O)[C@H]4O)=C3

Appearance: Solid powder

Purity: >98% (or refer to the Certificate of Analysis)

Shipping Condition: Shipped under ambient temperature as non-hazardous chemical. This product is stable enough for a few weeks during ordinary shipping and time spent in Customs.

Storage Condition: Dry, dark and at 0 - 4 C for short term (days to weeks) or -20 C for long term (months to years).

Solubility: Soluble in DMSO

Shelf Life: >2 years if stored properly

Drug Formulation: This drug may be formulated in DMSO

Stock Solution Storage: 0 - 4 C for short term (days to weeks), or -20 C for long term (months).

HS Tariff Code: 2934.99.9001

Preparing Stock Solutions

The following data is based on the product molecular weight 416.382 Batch specific molecular weights may vary from batch to batch due to the degree of hydration, which will affect the solvent volumes required to prepare stock solutions.

Recalculate based on batch purity %
Concentration / Solvent Volume / Mass 1 mg 5 mg 10 mg
1 mM 1.15 mL 5.76 mL 11.51 mL
5 mM 0.23 mL 1.15 mL 2.3 mL
10 mM 0.12 mL 0.58 mL 1.15 mL
50 mM 0.02 mL 0.12 mL 0.23 mL

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1: Chen F, Wen Q, Jiang J, Li HL, Tan YF, Li YH, Zeng NK. Could the gut microbiota reconcile the oral bioavailability conundrum of traditional herbs? J Ethnopharmacol. 2016 Feb 17;179:253-64. doi: 10.1016/j.jep.2015.12.031. Epub 2015 Dec 23. Review. PubMed PMID: 26723469.

2: Rafii F. The role of colonic bacteria in the metabolism of the natural isoflavone daidzin to equol. Metabolites. 2015 Jan 14;5(1):56-73. doi: 10.3390/metabo5010056. Review. PubMed PMID: 25594250; PubMed Central PMCID: PMC4381290.

3: Mattison DR, Karyakina N, Goodman M, LaKind JS. Pharmaco- and toxicokinetics of selected exogenous and endogenous estrogens: a review of the data and identification of knowledge gaps. Crit Rev Toxicol. 2014 Sep;44(8):696-724. doi: 10.3109/10408444.2014.930813. Epub 2014 Aug 6. Review. PubMed PMID: 25099693.

4: Ozarowski M, Mikołajczak PŁ, Thiem B. [Medicinal plants in the phytotherapy of alcohol or nicotine addiction. Implication for plants in vitro cultures]. Przegl Lek. 2013;70(10):869-74. Review. Polish. PubMed PMID: 24501814.

5: Setchell KD, Clerici C. Equol: history, chemistry, and formation. J Nutr. 2010 Jul;140(7):1355S-62S. doi: 10.3945/jn.109.119776. Epub 2010 Jun 2. Review. PubMed PMID: 20519412; PubMed Central PMCID: PMC2884333.

6: Bolaños R, Del Castillo A, Francia J. Soy isoflavones versus placebo in the treatment of climacteric vasomotor symptoms: systematic review and meta-analysis. Menopause. 2010 May-Jun;17(3):660-6. Review. PubMed PMID: 20464785.

7: Lu L, Liu Y, Zhu W, Shi J, Liu Y, Ling W, Kosten TR. Traditional medicine in the treatment of drug addiction. Am J Drug Alcohol Abuse. 2009;35(1):1-11. doi: 10.1080/00952990802455469. Review. PubMed PMID: 19152199.

8: Nielsen IL, Williamson G. Review of the factors affecting bioavailability of soy isoflavones in humans. Nutr Cancer. 2007;57(1):1-10. Review. PubMed PMID: 17516857.

9: Tokunaga T. Novel physiological function of fructooligosaccharides. Biofactors. 2004;21(1-4):89-94. Review. PubMed PMID: 15630176.

10: Weisburger JH. Antimutagens, anticarcinogens, and effective worldwide cancer prevention. J Environ Pathol Toxicol Oncol. 1999;18(2):85-93. Review. PubMed PMID: 15281219.

11: Keung WM. Anti-dipsotropic isoflavones: the potential therapeutic agents for alcohol dependence. Med Res Rev. 2003 Nov;23(6):669-96. Review. PubMed PMID: 12939789.

12: Rezvani AH, Overstreet DH, Perfumi M, Massi M. Plant derivatives in the treatment of alcohol dependency. Pharmacol Biochem Behav. 2003 Jun;75(3):593-606. Review. PubMed PMID: 12895677.

13: Sukmanskiĭ OI. [Isoflavones and calcified tissues]. Usp Fiziol Nauk. 2002 Apr-Jun;33(2):83-94. Review. Russian. PubMed PMID: 12004580.

14: Kinjo J. [Phytoestrogens]. Nihon Rinsho. 2000 Dec;58(12):2434-8. Review. Japanese. PubMed PMID: 11187733.

15: Lin RC, Li TK. Effects of isoflavones on alcohol pharmacokinetics and alcohol-drinking behavior in rats. Am J Clin Nutr. 1998 Dec;68(6 Suppl):1512S-1515S. Review. PubMed PMID: 9848526.

16: Lu LJ, Anderson KE. Sex and long-term soy diets affect the metabolism and excretion of soy isoflavones in humans. Am J Clin Nutr. 1998 Dec;68(6 Suppl):1500S-1504S. Review. PubMed PMID: 9848524.

17: Keung WM, Vallee BL. Kudzu root: an ancient Chinese source of modern antidipsotropic agents. Phytochemistry. 1998 Feb;47(4):499-506. Review. PubMed PMID: 9461670.


10.0mg / USD 200.0