13344-51-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 13344-51-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,3,3,4 and 4 respectively; the second part has 2 digits, 5 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 13344-51:
(7*1)+(6*3)+(5*3)+(4*4)+(3*4)+(2*5)+(1*1)=79
79 % 10 = 9
So 13344-51-9 is a valid CAS Registry Number.