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1221792-30-8

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1221792-30-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1221792-30-8 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,2,1,7,9 and 2 respectively; the second part has 2 digits, 3 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 1221792-30:
(9*1)+(8*2)+(7*2)+(6*1)+(5*7)+(4*9)+(3*2)+(2*3)+(1*0)=128
128 % 10 = 8
So 1221792-30-8 is a valid CAS Registry Number.

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