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121197-12-4

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121197-12-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 121197-12-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,1,1,9 and 7 respectively; the second part has 2 digits, 1 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 121197-12:
(8*1)+(7*2)+(6*1)+(5*1)+(4*9)+(3*7)+(2*1)+(1*2)=94
94 % 10 = 4
So 121197-12-4 is a valid CAS Registry Number.

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