198832-21-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 198832-21-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,9,8,8,3 and 2 respectively; the second part has 2 digits, 2 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 198832-21:
(8*1)+(7*9)+(6*8)+(5*8)+(4*3)+(3*2)+(2*2)+(1*1)=182
182 % 10 = 2
So 198832-21-2 is a valid CAS Registry Number.