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78765-20-5

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78765-20-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 78765-20-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,8,7,6 and 5 respectively; the second part has 2 digits, 2 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 78765-20:
(7*7)+(6*8)+(5*7)+(4*6)+(3*5)+(2*2)+(1*0)=175
175 % 10 = 5
So 78765-20-5 is a valid CAS Registry Number.

78765-20-5Relevant articles and documents

SYNTHESIS OF METABOLIC INTERMEDIATES OF DIETHYLSTILBESTROL

Hill, Kenneth A.,Peterson, Dorothy M.,Damodaran, Kalyani M.,Rao, P. Narasimha

, p. 327 - 344 (2007/10/02)

This report details the synthesis of 1) 3,4,4'-trihydroxy-α,α'-diethyl-trans-stilbene; 2) 3,4-bis-(p-hydroxyphenyl)-trans-3-hexenol; 3) 3,4-bis-(p-hydroxyphenyl)-2,4-cis,cis-hexadienol; 4) 3,4-bis-(3'-methoxy-4'-hydroxyphenyl)-trans-3-hexene; 5) 3,4-bis-(3',4'-dimethoxyphenyl)-trans-3-hexene.These compounds are suspected metabolites of diethylstilbestrol.

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