291512-79-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 291512-79-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,9,1,5,1 and 2 respectively; the second part has 2 digits, 7 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 291512-79:
(8*2)+(7*9)+(6*1)+(5*5)+(4*1)+(3*2)+(2*7)+(1*9)=143
143 % 10 = 3
So 291512-79-3 is a valid CAS Registry Number.