99865-82-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 99865-82-4 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, 8 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 99865-82:
(7*9)+(6*9)+(5*8)+(4*6)+(3*5)+(2*8)+(1*2)=214
214 % 10 = 4
So 99865-82-4 is a valid CAS Registry Number.