14131-74-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 14131-74-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,4,1,3 and 1 respectively; the second part has 2 digits, 7 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 14131-74:
(7*1)+(6*4)+(5*1)+(4*3)+(3*1)+(2*7)+(1*4)=69
69 % 10 = 9
So 14131-74-9 is a valid CAS Registry Number.