99700-68-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 99700-68-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,9,7,0 and 0 respectively; the second part has 2 digits, 6 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 99700-68:
(7*9)+(6*9)+(5*7)+(4*0)+(3*0)+(2*6)+(1*8)=172
172 % 10 = 2
So 99700-68-2 is a valid CAS Registry Number.