13340-01-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 13340-01-7 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 0 respectively; the second part has 2 digits, 0 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 13340-01:
(7*1)+(6*3)+(5*3)+(4*4)+(3*0)+(2*0)+(1*1)=57
57 % 10 = 7
So 13340-01-7 is a valid CAS Registry Number.