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1212101-77-3

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1212101-77-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1212101-77-3 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,1,2,1,0 and 1 respectively; the second part has 2 digits, 7 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 1212101-77:
(9*1)+(8*2)+(7*1)+(6*2)+(5*1)+(4*0)+(3*1)+(2*7)+(1*7)=73
73 % 10 = 3
So 1212101-77-3 is a valid CAS Registry Number.

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