Description

Cephalexin (Hydrochloride) is a semi-synthetic, first-generation cephalosporin antibiotic. This compound is critical for its broad-spectrum bactericidal activity, effectively inhibiting bacterial cell wall synthesis. It is primarily utilized in the pharmaceutical industry for the formulation of oral antibiotic medications targeting respiratory, skin, and urinary tract infections.

Application

• Active Pharmaceutical Ingredient (API) in oral antibiotic formulations.
• Veterinary Medicine for treating bacterial infections in livestock and companion animals.
• Intermediate in the synthesis of more complex cephalosporin derivatives.
• Manufacturing of generic pharmaceutical products.
• Research and development of new antibacterial agents.
• Reference standard in analytical and quality control laboratories.

Basic Information

Product Name	Cephalexin (Hydrochloride)
CAS No.	59695-59-9
Molecular Formula	C16H17N3O4S • HCl • H2O
Molecular Weight	423.89 g/mol (Monohydrate)
Synonyms	Cephalexin Hydrochloride; Cephalexin HCl; Cephalexin Monohydrochloride; Cefalexin Hydrochloride; (6R,7R)-7-[[(2R)-2-Amino-2-phenylacetyl]amino]-3-methyl-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid hydrochloride; Keflex (Hydrochloride salt); Ceporex; 7-(D-α-Amino-α-phenylacetamido)-3-methyl-3-cephem-4-carboxylic acid hydrochloride
EINECS	Contact for details

Quality Control

Our Cephalexin (Hydrochloride) is manufactured under strict quality management systems. It can be supplied to meet various pharmacopoeial standards, including USP and EP monographs. Each batch undergoes comprehensive analytical testing, including identification, assay, impurity profile, and residual solvent analysis. A Certificate of Analysis (COA) is provided with every shipment to ensure traceability and compliance.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at a controlled room temperature (15-25°C). Due to its hygroscopic nature, the container must be kept tightly sealed in a low-humidity environment to prevent moisture absorption and degradation.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms
Identification (HPLC)	Conforms to reference standard
Assay (HPLC)	98.0% - 102.0% (on anhydrous basis)
Water Content (KF)	3.0% - 6.0%
pH (1% solution)	1.5 - 3.0
Related Substances (HPLC)	Total impurities ≤ 2.0% Any individual impurity ≤ 0.5%
Residual Solvents (GC)	Complies with ICH guidelines

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