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2,2'-azo-di-benzoic acid diethyl ester is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

20739-69-9

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20739-69-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 20739-69-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,0,7,3 and 9 respectively; the second part has 2 digits, 6 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 20739-69:
(7*2)+(6*0)+(5*7)+(4*3)+(3*9)+(2*6)+(1*9)=109
109 % 10 = 9
So 20739-69-9 is a valid CAS Registry Number.

20739-69-9Downstream Products

20739-69-9Relevant academic research and scientific papers

Anti-androgenic activity of substituted azo- and azoxy-benzene derivatives.

Takahashi,Ishioka,Koiso,Sodeoka,Hashimoto

, p. 1387 - 1390 (2000)

Substituted phenylazo and phenylazoxy compounds were systematically prepared and their anti-androgenic activity was measured in terms of (1) the growth-inhibiting effect on an androgen-dependent cell line, SC-3, and (2) the binding affinity to nuclear androgen receptor. Generally, azo/azoxy compounds showed cell toxicity, and the growth-inhibiting effects on SC-3 cells correlated with the toxicity. However, some compounds, including 4,4'-dinitroazobenzene (25), 4,4'-dimethoxyazobenzene (33), and 2,2'-dichloroazoxybenzene (47), possessed potent anti-androgenic activity without apparent cell toxicity.

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