1251-13-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1251-13-4 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 1,2,5 and 1 respectively; the second part has 2 digits, 1 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 1251-13:
(6*1)+(5*2)+(4*5)+(3*1)+(2*1)+(1*3)=44
44 % 10 = 4
So 1251-13-4 is a valid CAS Registry Number.