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1423-85-4

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1423-85-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1423-85-4 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 1,4,2 and 3 respectively; the second part has 2 digits, 8 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 1423-85:
(6*1)+(5*4)+(4*2)+(3*3)+(2*8)+(1*5)=64
64 % 10 = 4
So 1423-85-4 is a valid CAS Registry Number.

1423-85-4Downstream Products

1423-85-4Relevant articles and documents

Studies on anabolic steroids. 9. Tertiary sulfates of anabolic 17α-methyl steroids: synthesis and rearrangement

Bi, Honggang,Masse, Robert,Just, George

, p. 306 - 312 (1992)

A simple and convenient method has been developed to prepare sulfates of anabolic 17β-hydroxy-17α-methyl steroids.The sulfates of methandienone, 17α-methyltestosterone, mestanolone, oxandrolone, and stanozolol were prepared.Different A-ring functions were not affected under the sulfation condition.The buffered hydrolyses of these sulfates provided the 17-epimers of the original steroids and 17,17-dimethyl-18-nor-13(14)-ene steroids, presumably via the 17-carbocations. Keywords: steroids, tertiary sulfates; 17α-methyl steroids; 17β-methyl steroids; 17,17-dimethyl-18-norandrost-13(14)-enes; NMR

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