99865-65-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 99865-65-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,9,8,6 and 5 respectively; the second part has 2 digits, 6 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 99865-65:
(7*9)+(6*9)+(5*8)+(4*6)+(3*5)+(2*6)+(1*5)=213
213 % 10 = 3
So 99865-65-3 is a valid CAS Registry Number.