13965-70-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 13965-70-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,3,9,6 and 5 respectively; the second part has 2 digits, 7 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 13965-70:
(7*1)+(6*3)+(5*9)+(4*6)+(3*5)+(2*7)+(1*0)=123
123 % 10 = 3
So 13965-70-3 is a valid CAS Registry Number.