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66664-66-2

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66664-66-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 66664-66-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,6,6,6 and 4 respectively; the second part has 2 digits, 6 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 66664-66:
(7*6)+(6*6)+(5*6)+(4*6)+(3*4)+(2*6)+(1*6)=162
162 % 10 = 2
So 66664-66-2 is a valid CAS Registry Number.

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