7696-02-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 7696-02-8 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 7,6,9 and 6 respectively; the second part has 2 digits, 0 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 7696-02:
(6*7)+(5*6)+(4*9)+(3*6)+(2*0)+(1*2)=128
128 % 10 = 8
So 7696-02-8 is a valid CAS Registry Number.