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156809-64-2

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156809-64-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 156809-64-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,6,8,0 and 9 respectively; the second part has 2 digits, 6 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 156809-64:
(8*1)+(7*5)+(6*6)+(5*8)+(4*0)+(3*9)+(2*6)+(1*4)=162
162 % 10 = 2
So 156809-64-2 is a valid CAS Registry Number.

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