2696-99-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 2696-99-3 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 2,6,9 and 6 respectively; the second part has 2 digits, 9 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 2696-99:
(6*2)+(5*6)+(4*9)+(3*6)+(2*9)+(1*9)=123
123 % 10 = 3
So 2696-99-3 is a valid CAS Registry Number.