Description

Cefadroxil CAS NO 50370-12-2 is a first-generation, broad-spectrum cephalosporin antibiotic belonging to the β-lactam class. It is valued for its bactericidal activity against a wide range of Gram-positive and some Gram-negative bacteria, offering a reliable therapeutic option. This active pharmaceutical ingredient (API) is essential for manufacturers in the pharmaceutical industry producing oral dosage forms such as capsules, tablets, and suspensions for human and veterinary use.

Application

• Pharmaceutical API: Primary use as the active ingredient in the formulation of oral antibiotic medications.
• Human Medicine: Manufacture of tablets, capsules, and oral suspensions for treating bacterial infections like skin and soft tissue infections, urinary tract infections, and pharyngitis.
• Veterinary Medicine: Used in veterinary pharmaceutical preparations to treat bacterial infections in animals.
• Generic Drug Production: A key component for generic pharmaceutical companies producing cost-effective antibiotic treatments.
• Clinical Research: Serves as a reference standard or raw material in pharmaceutical R&D and clinical studies.
• Contract Manufacturing: Supplied to CDMOs (Contract Development and Manufacturing Organizations) for finished dosage form production.

Basic Information

Item	Details
Product Name	Cefadroxil
CAS No.	50370-12-2
Molecular Formula	C16H17N3O5S
Molecular Weight	363.39 g/mol
Synonyms	Cefadroxil Monohydrate; Cefadroxil Anhydrous; Duricef; Bidocef; Cefadril; Ultracef; (6R,7R)-7-[[(2R)-2-Amino-2-(4-hydroxyphenyl)acetyl]amino]-3-methyl-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid; BL-S578
EINECS	256-579-8

Quality Control

Our Cefadroxil is manufactured and tested under a strict quality management system. It meets the relevant specifications of major pharmacopoeias such as USP (United States Pharmacopeia), EP (European Pharmacopoeia), and BP (British Pharmacopoeia). Each batch undergoes comprehensive analytical testing, including identification, assay, impurity profiling, and residual solvent analysis. A Certificate of Analysis (COA) documenting all test results is provided with every shipment to ensure full traceability and compliance.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (15-25°C). This product is hygroscopic (moisture-sensitive) and must be kept in a dry environment to prevent degradation. Keep away from incompatible materials.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to standard
Identification (HPLC)	Conforms to standard
Assay (HPLC)	98.0% - 102.0% (on anhydrous basis)
Water Content (KF)	≤ 6.0% (for monohydrate)
Related Substances (HPLC)	Individual impurity: ≤ 0.5% Total impurities: ≤ 2.0%
Residual Solvents (GC)	Complies with ICH Q3C guidelines
Heavy Metals	≤ 20 ppm
Sulfated Ash	≤ 0.2%
pH (1% suspension)	4.0 - 6.0

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