70403-03-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 70403-03-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,0,4,0 and 3 respectively; the second part has 2 digits, 0 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 70403-03:
(7*7)+(6*0)+(5*4)+(4*0)+(3*3)+(2*0)+(1*3)=81
81 % 10 = 1
So 70403-03-1 is a valid CAS Registry Number.