106939-30-4 Usage
Uses
(3S)-10-(4-Ethyl-1-piperazinyl)-9-fluoro-2,3-dihydro-3-methyl-7-oxo-7H-pyrido[1,2,3-de]-1,4-benzoxazine-6-carboxylic Acid, is an impurity of Levofloxacin (L360000), which is a broad spectrum antibiotic of the fluoroquinolone drug class.
Check Digit Verification of cas no
The CAS Registry Mumber 106939-30-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,6,9,3 and 9 respectively; the second part has 2 digits, 3 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 106939-30:
(8*1)+(7*0)+(6*6)+(5*9)+(4*3)+(3*9)+(2*3)+(1*0)=134
134 % 10 = 4
So 106939-30-4 is a valid CAS Registry Number.