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5618-27-9

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5618-27-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 5618-27-9 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 5,6,1 and 8 respectively; the second part has 2 digits, 2 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 5618-27:
(6*5)+(5*6)+(4*1)+(3*8)+(2*2)+(1*7)=99
99 % 10 = 9
So 5618-27-9 is a valid CAS Registry Number.

5618-27-9Relevant articles and documents

SYNTHESIS OF A SERIES OF 12-OXO-5α-STEROIDS WITH VARIABLE 17β-SIDE CHAIN

Biesemans, M.,Woude, G. Van de,Hove, L. van

, p. 151 - 166 (2007/10/02)

5α-Androstan-12-one and its homologues up to 5α-cholan-12-one were synthesized, partly by breaking down the 17β-side chain of 5α-pregnan-12,20-dione 12-ethylene acetal 7 and partly by means of Wittig condensation reactions.They were all characterized by their spectral properties.

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