Enrofloxacin-d5 (Synonyms: BAY-Vp 2674-d5, ENR-d5)

Enrofloxacin-d₅ is intended for use as an internal standard for the quantification of enrofloxacin by GC- or LC-MS. Enrofloxacin is a fluoroquinolone antibiotic.¹ It is active against panels of Campylobacter, E. coli, and Salmonella isolates (mean MIC₅₀s = 0.06, 0.5, and 0.03 µg/ml, respectively). It is also active against equine isolates of L. intracellularis (MICs = 0.125-0.5 µg/ml).² Enrofloxacin inhibits bacterial DNA gyrase.³ In vivo, enrofloxacin (10 mg/kg) increases survival in a mouse model of enteropathogenic E. coli-induced sepsis. Formulations containing enrofloxacin have been used in the treatment of veterinary bacterial infections.

1.Randall, L., Ridley, A., Lemma, F., et al.In vitro investigations into the use of antimicrobials in combination to maintain efficacy of fluoroquinolones in poultryRes. Vet. Sci.10847-53(2016) 2.Pereira, C.E.R., Resende, T.P., Vasquez, E., et al.In vitro antimicrobial activity against equine Lawsonia intracellularis strainsEquine Vet. J.51(5)665-668(2019) 3.Slate, A.R., Bandyopadhyay, S., Francis, K.P., et al.Efficacy of enrofloxacin in a mouse model of sepsisJ. Am. Assoc. Lab. Anim. Sci.53(4)381-386(2014)