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128191-37-7

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128191-37-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 128191-37-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,8,1,9 and 1 respectively; the second part has 2 digits, 3 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 128191-37:
(8*1)+(7*2)+(6*8)+(5*1)+(4*9)+(3*1)+(2*3)+(1*7)=127
127 % 10 = 7
So 128191-37-7 is a valid CAS Registry Number.

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