12271-03-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 12271-03-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,2,2,7 and 1 respectively; the second part has 2 digits, 0 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 12271-03:
(7*1)+(6*2)+(5*2)+(4*7)+(3*1)+(2*0)+(1*3)=63
63 % 10 = 3
So 12271-03-3 is a valid CAS Registry Number.