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1221272-76-9

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1221272-76-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1221272-76-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,2,1,2,7 and 2 respectively; the second part has 2 digits, 7 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 1221272-76:
(9*1)+(8*2)+(7*2)+(6*1)+(5*2)+(4*7)+(3*2)+(2*7)+(1*6)=109
109 % 10 = 9
So 1221272-76-9 is a valid CAS Registry Number.

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