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158660-81-2

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158660-81-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 158660-81-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,8,6,6 and 0 respectively; the second part has 2 digits, 8 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 158660-81:
(8*1)+(7*5)+(6*8)+(5*6)+(4*6)+(3*0)+(2*8)+(1*1)=162
162 % 10 = 2
So 158660-81-2 is a valid CAS Registry Number.

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