13319-74-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 13319-74-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,3,3,1 and 9 respectively; the second part has 2 digits, 7 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 13319-74:
(7*1)+(6*3)+(5*3)+(4*1)+(3*9)+(2*7)+(1*4)=89
89 % 10 = 9
So 13319-74-9 is a valid CAS Registry Number.