219949-91-4 Usage
Chemical compound
8-Fluoro-1,2,3,4-tetrahydro-2-quinolinecarboxylic acid
Check Digit Verification of cas no
The CAS Registry Mumber 219949-91-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,1,9,9,4 and 9 respectively; the second part has 2 digits, 9 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 219949-91:
(8*2)+(7*1)+(6*9)+(5*9)+(4*4)+(3*9)+(2*9)+(1*1)=184
184 % 10 = 4
So 219949-91-4 is a valid CAS Registry Number.