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1213000-99-7

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1213000-99-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1213000-99-7 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,1,3,0,0 and 0 respectively; the second part has 2 digits, 9 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 1213000-99:
(9*1)+(8*2)+(7*1)+(6*3)+(5*0)+(4*0)+(3*0)+(2*9)+(1*9)=77
77 % 10 = 7
So 1213000-99-7 is a valid CAS Registry Number.

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