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1212137-93-3

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1212137-93-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1212137-93-3 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,1,2,1,3 and 7 respectively; the second part has 2 digits, 9 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 1212137-93:
(9*1)+(8*2)+(7*1)+(6*2)+(5*1)+(4*3)+(3*7)+(2*9)+(1*3)=103
103 % 10 = 3
So 1212137-93-3 is a valid CAS Registry Number.

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