Cas 33821-10-2,dl-3-Benzyloxy-13β-aethylgona-1,3,5(10)-trien-17-on

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Check Digit Verification of cas no

The CAS Registry Mumber 33821-10-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,3,8,2 and 1 respectively; the second part has 2 digits, 1 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 33821-10:
(7*3)+(6*3)+(5*8)+(4*2)+(3*1)+(2*1)+(1*0)=92
92 % 10 = 2
So 33821-10-2 is a valid CAS Registry Number.

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33821-10-2Relevant articles and documents

Totally synthetic steroid hormones. 13. The chemical resolution of some racemic estrane, 13-beta-ethylgonane, and 13-beta-n-propylgonane derivatives and the preparation of some estrane and 13-beta-ethylgonane derivatives of unnatural configuration.

Buzby Jr.,Hartley,Hughes,Smith,Gadsby,Jansen

, p. 199 - 204 (1967)

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33821-10-2