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6412-77-7

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6412-77-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 6412-77-7 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 6,4,1 and 2 respectively; the second part has 2 digits, 7 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 6412-77:
(6*6)+(5*4)+(4*1)+(3*2)+(2*7)+(1*7)=87
87 % 10 = 7
So 6412-77-7 is a valid CAS Registry Number.

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