Enrofloxacin-d5 CAS 1173021-92-5

Purity >95%In StockPharmaceutical Standards
CAS No.1173021-92-5
Molecular Formula-
Molecular Weight364.43 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

Enrofloxacin-d5 CAS 1173021-92-5 chemical structure

Description

The occurrence of Enrofloxacin-d5 is closely related to deuterium isotope labeling, a steroid core, an amide group, a hydroxyl group, an ether linkage, fluorine substitution in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.

Enrofloxacin-d5 (CAS 1173021-92-5) is a high-purity analytical reference standard with the molecular formula C19H17D5FN3O3 and a molecular weight of 364.43 g/mol.

Based on its molecular formula C19H17D5FN3O3, Enrofloxacin-d5 contains deuterium isotope labeling, a steroid core, an amide group, a hydroxyl group, an ether linkage, fluorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 364.43 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).

This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.

The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.

Physical & Chemical Properties

Molecular FormulaC19H17D5FN3O3
Molecular Weight364.43 g/mol
AppearancePale yellow to yellow crystalline powder. (slight halide-like odor)
Purity>95%
StorageStore at 2-8°C, protect from light, keep sealed and dry
Solubility (reference)Soluble in DMSO, DMF, methanol
StabilityMay oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions
Degree of Unsaturation (DBE)12.5
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1989
Halogen ContentF-containing
Nitrogen Atoms3

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