13948-45-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 13948-45-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,3,9,4 and 8 respectively; the second part has 2 digits, 4 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 13948-45:
(7*1)+(6*3)+(5*9)+(4*4)+(3*8)+(2*4)+(1*5)=123
123 % 10 = 3
So 13948-45-3 is a valid CAS Registry Number.