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1219949-45-7

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1219949-45-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1219949-45-7 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,1,9,9,4 and 9 respectively; the second part has 2 digits, 4 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 1219949-45:
(9*1)+(8*2)+(7*1)+(6*9)+(5*9)+(4*4)+(3*9)+(2*4)+(1*5)=187
187 % 10 = 7
So 1219949-45-7 is a valid CAS Registry Number.

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