99690-60-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 99690-60-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,9,6,9 and 0 respectively; the second part has 2 digits, 6 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 99690-60:
(7*9)+(6*9)+(5*6)+(4*9)+(3*0)+(2*6)+(1*0)=195
195 % 10 = 5
So 99690-60-5 is a valid CAS Registry Number.