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64919-12-6

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64919-12-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 64919-12-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,4,9,1 and 9 respectively; the second part has 2 digits, 1 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 64919-12:
(7*6)+(6*4)+(5*9)+(4*1)+(3*9)+(2*1)+(1*2)=146
146 % 10 = 6
So 64919-12-6 is a valid CAS Registry Number.

64919-12-6Relevant articles and documents

SYNTHESIS OF NEW ANTIATHEROMATOUS DRUGS. STUDY OF THE ESTERIFICATION OF 17β-HYDROXY-5α-ANDROSTAN-3-ONE

Volovel'skii, L. N.,Koryukina, V. N.,Popova, N. V.,Rastrepina, I. A.,Borozenets, L. K.

, p. 444 - 446 (2007/10/02)

The acylation of dihydrotestosterone with propionyl and p-chlorophenoxyisobutyryl chlorides leads to the formation of dihydrotestosterone esters and the 3-enol acylates of the dihydrotestosterone esters.The acid hydrolysis of the 3-enol acylates converts them into the coresponding dihydrotestosterone esters.

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