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4904-79-4

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4904-79-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 4904-79-4 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 4,9,0 and 4 respectively; the second part has 2 digits, 7 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 4904-79:
(6*4)+(5*9)+(4*0)+(3*4)+(2*7)+(1*9)=104
104 % 10 = 4
So 4904-79-4 is a valid CAS Registry Number.

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