71273-61-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 71273-61-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,1,2,7 and 3 respectively; the second part has 2 digits, 6 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 71273-61:
(7*7)+(6*1)+(5*2)+(4*7)+(3*3)+(2*6)+(1*1)=115
115 % 10 = 5
So 71273-61-5 is a valid CAS Registry Number.