Description

Fenbenicillin CAS NO 1926-48-3 is a semi-synthetic penicillin antibiotic derived from 6-aminopenicillanic acid. This compound is valued for its targeted antibacterial activity, particularly against susceptible Gram-positive organisms. It is primarily utilized in pharmaceutical research and development for the formulation of antibiotic therapies. Industrial buyers in the pharmaceutical and fine chemical sectors rely on this API intermediate for its role in producing effective antimicrobial agents.

Application

• Active Pharmaceutical Ingredient (API) intermediate for antibiotic formulations.
• Research and development of novel penicillin-based therapeutics.
• Reference standard for analytical and quality control laboratories.
• Starting material for the synthesis of specialized antibiotic derivatives.
• Use in microbiological studies to investigate bacterial resistance mechanisms.
• Component in veterinary pharmaceutical preparations.

Basic Information

Product Name	Fenbenicillin
CAS No.	1926-48-3
Molecular Formula	C16H18N2O5S
Molecular Weight	350.39 g/mol
Synonyms	Fenbenicillin; Phenbenicillin; Phenoxybenzylpenicillin; 6-(Phenoxyacetamido)penicillanic Acid; Benzylpenicillin Phenoxymethyl Ester; BRL 1241; NSC 52904
EINECS	217-671-4

Quality Control

Our Fenbenicillin is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including identification, purity assay, and impurity profiling, to ensure it meets high-grade standards suitable for pharmaceutical research. A Certificate of Analysis (COA) detailing all test results is provided with every shipment to guarantee 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). Due to its hygroscopic nature, the container must be kept tightly sealed to minimize exposure to atmospheric moisture.

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%
Water Content (KF)	≤ 1.0%
Residue on Ignition	≤ 0.1%
Related Substances (HPLC)	Total impurities ≤ 2.0%
Specific Rotation	Contact for details

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