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116915-91-4

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116915-91-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 116915-91-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,1,6,9,1 and 5 respectively; the second part has 2 digits, 9 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 116915-91:
(8*1)+(7*1)+(6*6)+(5*9)+(4*1)+(3*5)+(2*9)+(1*1)=134
134 % 10 = 4
So 116915-91-4 is a valid CAS Registry Number.

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