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AntibioticsIn stockAPI reference standardPh. Eur.

Ciprofloxacin CRS

JR-AB1003

Compendial Chemical Reference Substance of Ciprofloxacin (1-cyclopropyl-6-fluoro-4-oxo-7-(piperazin-1-yl)-1,4-dihydroquinoline-3-carboxylic acid); fluoroquinolone antibacterial API standard for assay and identification.

4 variants listed — see below

Structure & identifiers

2D structure — select to enlarge

Catalogue code
JR-AB1003
Category
Antibiotics
CAS number
85721-33-1
Grade
API reference standard
Pharmacopoeia
Ph. Eur.
Molecular formula
C17H18FN3O3
Molecular weight
331.35 g/mol
Pack sizes
25 mg · 50 mg · 100 mg · 500 mg
Record updated
12 Nov 2026

Chemical name

Ciprofloxacin CRS

SMILES

O=C(O)c1cn(C2CC2)c3cc(N4CCNCC4)c(F)cc3c1=O

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 CRS

25 mg · ×1