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129778-62-7

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129778-62-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 129778-62-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,9,7,7 and 8 respectively; the second part has 2 digits, 6 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 129778-62:
(8*1)+(7*2)+(6*9)+(5*7)+(4*7)+(3*8)+(2*6)+(1*2)=177
177 % 10 = 7
So 129778-62-7 is a valid CAS Registry Number.

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