Description

Aspoxicillin is a broad-spectrum, semi-synthetic penicillin antibiotic with enhanced stability against β-lactamases. This compound is valued for its potent antibacterial activity against a wide range of Gram-positive and Gram-negative pathogens. It is primarily utilized in the pharmaceutical industry for research and development, as well as in the formulation of veterinary medicines. Aspoxicillin CAS NO 63358-49-6 offers a reliable solution for applications requiring a robust β-lactam antibiotic.

Application

• Pharmaceutical Intermediate: Serves as a key active pharmaceutical ingredient (API) in the synthesis of advanced antibiotic formulations.
• Veterinary Medicine: Used in the development of treatments for bacterial infections in livestock and companion animals.
• Microbiological Research: Employed as a standard or test compound in studies of bacterial resistance mechanisms and antibiotic efficacy.
• Clinical Development: Investigated for potential therapeutic applications in human medicine, particularly for resistant infections.
• Reference Standard: Utilized in quality control laboratories as a high-purity standard for analytical method development and validation.

Basic Information

Product Name	Aspoxicillin
CAS No.	63358-49-6
Molecular Formula	C21H27N5O7S
Molecular Weight	493.53 g/mol
Synonyms	Aspoxicillin; (2S,5R,6R)-6-[[(2R)-2-Amino-2-(4-hydroxyphenyl)acetyl]amino]-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylic acid; ASPC; TA-058; Aspoxicillinum; Aspoxicilina; Aspoxicillin Hydrate; Aspoxicillin Trihydrate
EINECS	Contact for details

Quality Control

Our Aspoxicillin 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 pharmaceutical standards. A Certificate of Analysis (COA) detailing all test results is provided with every shipment to guarantee traceability and compliance with your specifications.

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 dry environment to prevent moisture absorption, which can affect stability and potency.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to reference spectrum
Identification (HPLC)	Retention time matches reference standard
Assay (HPLC)	≥ 98.0% (on anhydrous basis)
Water Content (KF)	≤ 5.0%
Related Substances (HPLC)	Total impurities ≤ 2.0% Any single impurity ≤ 1.0%
Residual Solvents (GC)	Complies with ICH Q3C guidelines
pH (1% solution)	5.0 - 7.0
Specific Rotation	+170° to +190° (c=1, in water)

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