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669751-12-6

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669751-12-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 669751-12-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,6,9,7,5 and 1 respectively; the second part has 2 digits, 1 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 669751-12:
(8*6)+(7*6)+(6*9)+(5*7)+(4*5)+(3*1)+(2*1)+(1*2)=206
206 % 10 = 6
So 669751-12-6 is a valid CAS Registry Number.

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