1696-03-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1696-03-3 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 1,6,9 and 6 respectively; the second part has 2 digits, 0 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 1696-03:
(6*1)+(5*6)+(4*9)+(3*6)+(2*0)+(1*3)=93
93 % 10 = 3
So 1696-03-3 is a valid CAS Registry Number.