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76643-95-3

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76643-95-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 76643-95-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,6,6,4 and 3 respectively; the second part has 2 digits, 9 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 76643-95:
(7*7)+(6*6)+(5*6)+(4*4)+(3*3)+(2*9)+(1*5)=163
163 % 10 = 3
So 76643-95-3 is a valid CAS Registry Number.

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