Description

Enduracidin B CAS NO 34304-21-7 is a polypeptide antibiotic belonging to the streptogramin family, known for its potent activity against Gram-positive bacteria. This compound is valued for its role in veterinary medicine and as a critical reference standard in pharmaceutical research and development. It is primarily utilized by manufacturers in the animal health sector, as well as by research institutions and quality control laboratories focusing on antimicrobial agents and resistance studies.

Application

• Veterinary Feed Additive: Used as a growth promoter and for the prevention of bacterial infections in livestock.
• Pharmaceutical Reference Standard: Serves as a high-purity analytical standard for quality control and method validation in antibiotic production.
• Microbiological Research: Employed in studies investigating bacterial resistance mechanisms and the efficacy of streptogramin antibiotics.
• Active Pharmaceutical Ingredient (API): A key component in the formulation of specific antimicrobial preparations for veterinary use.
• Biochemical Studies: Used to explore the structure-activity relationships (SAR) of polypeptide antibiotics.

Basic Information

Product Name	Enduracidin B
CAS No.	34304-21-7
Molecular Formula	C108H138Cl2N26O31
Molecular Weight	~2350.3 g/mol
Synonyms	Enramycin B; Enduracidin; Enramycin; Antibiotic M-4209; Antibiotic 16645; Streptogramin antibiotic; Polypeptide antibiotic 16645; Enradin
EINECS	Contact for details

Quality Control

Our Enduracidin B is produced and tested under a rigorous quality management system. Each batch is analyzed to ensure it meets high-purity standards suitable for research and development applications. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at 2-8°C. Due to its hygroscopic nature, the container must be kept tightly sealed in a desiccated environment to prevent moisture absorption.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (HPLC)	Conforms to reference standard
Identification (IR)	Conforms to reference spectrum
Assay (HPLC)	≥ 95.0%
Water Content (KF)	≤ 5.0%
Residue on Ignition	≤ 1.0%
Heavy Metals	≤ 20 ppm
Specific Optical Rotation	Contact for details

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