Description

Cephaloridine CAS NO 50-59-9 is a first-generation semisynthetic cephalosporin antibiotic. This compound is a critical intermediate and reference standard in the research, development, and quality control of antibacterial pharmaceuticals. It is primarily required by pharmaceutical manufacturers, analytical laboratories, and research institutions engaged in antibiotic development and production.

Application

• Pharmaceutical Active Ingredient (API) Intermediate: A key building block in the synthesis of certain cephalosporin antibiotics.
• Analytical Reference Standard: Used in High-Performance Liquid Chromatography (HPLC), mass spectrometry, and other analytical methods for quality control and method validation.
• Microbiological Research: Employed in studies of antibacterial mechanisms, resistance patterns, and efficacy against various bacterial strains.
• Impurity Standard: Serves as a certified reference material for identifying and quantifying related substances in cephalosporin drug products.
• Chemical Synthesis Research: Used as a starting material or model compound in organic synthesis for developing new β-lactam derivatives.

Basic Information

Product Name	Cephaloridine
CAS No.	50-59-9
Molecular Formula	C19H17N3O4S2
Molecular Weight	415.49 g/mol
Synonyms	Cepalorin; Cefaloridine; Cephaloridin; Cefaloridin; 7-[(2-Thienylacetyl)amino]-3-(1-pyridylmethyl)-3-cephem-4-carboxylic Acid Betaine; (6R,7R)-7-[(2-Thienylacetyl)amino]-3-(pyridin-1-ium-1-ylmethyl)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate; Ceflorin; Keflodin
EINECS	200-052-1

Quality Control

Our Cephaloridine is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including identification, purity assay, and impurity profiling via HPLC, to ensure it meets high-grade standards suitable for research and pharmaceutical applications. A Certificate of Analysis (COA) detailing all test results is provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at controlled room temperature (15-25°C). This product is hygroscopic (moisture-sensitive) and should be handled in a dry environment to prevent degradation.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to reference spectrum
Identification (HPLC)	Retention time conforms to reference standard
Assay (HPLC)	≥ 98.0%
Water Content (KF)	≤ 2.0%
Residue on Ignition	≤ 0.5%
Related Substances (HPLC)	Total impurities ≤ 2.0%
Specific Optical Rotation	+55° to +65° (c=1 in H2O)

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.