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AntibioticsIn stockImpurity reference standardPh. Eur.

Ciprofloxacin Impurity E

JR-AB1003-03

Variant ofCiprofloxacin CRS

Decarboxy ciprofloxacin (1-cyclopropyl-6-fluoro-7-(piperazin-1-yl)quinolin-4(1H)-one; EP Impurity E); C-3 thermal/hydrolytic decarboxylation impurity of ciprofloxacin.

Structure & identifiers

2D structure — select to enlarge

Catalogue code
JR-AB1003-03
Category
Antibiotics
CAS number
105394-83-0
Grade
Impurity reference standard
Pharmacopoeia
Ph. Eur.
Molecular formula
C16H18FN3O
Molecular weight
287.34 g/mol
Pack sizes
25 mg · 50 mg · 100 mg · 500 mg
Record updated
12 Nov 2026

Chemical name

Ciprofloxacin Impurity E

SMILES

O=c1ccn(C2CC2)c3cc(N4CCNCC4)c(F)cc13

Compound identity, CAS number, formula and structure are referenced from public chemical databases. Contact us to confirm availability, pack sizes and documentation for your order.

Ciprofloxacin Impurity E

25 mg · ×1