427-12-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 427-12-3 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 4,2 and 7 respectively; the second part has 2 digits, 1 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 427-12:
(5*4)+(4*2)+(3*7)+(2*1)+(1*2)=53
53 % 10 = 3
So 427-12-3 is a valid CAS Registry Number.