199684-11-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 199684-11-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,9,9,6,8 and 4 respectively; the second part has 2 digits, 1 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 199684-11:
(8*1)+(7*9)+(6*9)+(5*6)+(4*8)+(3*4)+(2*1)+(1*1)=202
202 % 10 = 2
So 199684-11-2 is a valid CAS Registry Number.