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22158-22-1

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22158-22-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 22158-22-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,2,1,5 and 8 respectively; the second part has 2 digits, 2 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 22158-22:
(7*2)+(6*2)+(5*1)+(4*5)+(3*8)+(2*2)+(1*2)=81
81 % 10 = 1
So 22158-22-1 is a valid CAS Registry Number.

22158-22-1Relevant articles and documents

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Heindel,N.D.,Kennewell,P.D.

, p. 757 - 758 (1969)

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