99861-22-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 99861-22-0 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 1 respectively; the second part has 2 digits, 2 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 99861-22:
(7*9)+(6*9)+(5*8)+(4*6)+(3*1)+(2*2)+(1*2)=190
190 % 10 = 0
So 99861-22-0 is a valid CAS Registry Number.