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19897-22-4

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19897-22-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 19897-22-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,9,8,9 and 7 respectively; the second part has 2 digits, 2 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 19897-22:
(7*1)+(6*9)+(5*8)+(4*9)+(3*7)+(2*2)+(1*2)=164
164 % 10 = 4
So 19897-22-4 is a valid CAS Registry Number.

19897-22-4Downstream Products

19897-22-4Relevant articles and documents

D-homo-steroids. I. Derivatives monosubstituted in ring D.

Kirk,Klyne,Peach,Wilson

, p. 1454 - 1460 (2007/10/13)

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