Description

Elmycin B CAS NO 128233-09-0 is a high-purity macrolide antibiotic compound. It is valued for its potent antibacterial activity, particularly against a range of Gram-positive and some Gram-negative bacteria. This makes it a critical intermediate and active ingredient for pharmaceutical manufacturers and research institutions developing novel antibiotic therapies and formulations.

Application

• Pharmaceutical Active Ingredient (API): Serves as a key intermediate or final active component in the synthesis of advanced antibiotic medications.
• Veterinary Medicine: Used in the formulation of antibacterial treatments for livestock and companion animals.
• Microbiological Research: Employed as a standard or investigative agent in studies of bacterial resistance mechanisms and new antimicrobial targets.
• Cell Culture & Biotechnology: Applied in selective media to prevent bacterial contamination in cell line and tissue culture work.
• Reference Standard: Supplied as a certified reference material for quality control and analytical method development in regulatory and laboratory settings.

Basic Information

Product Name	Elmycin B
CAS No.	128233-09-0
Molecular Formula	Contact for details
Molecular Weight	Contact for details
Synonyms	Elmycin B; Antibiotic B-5050; B-5050; 128233-09-0; (2R,3S,4S,5R,8R,10R,11R,12S,13S,14E)-11-[(2S,3R,4S,6R)-4-(Dimethylamino)-3-hydroxy-6-methyloxan-2-yl]oxy-2-ethyl-3,4,10-trihydroxy-13-{[(2R,3R,4S,5R,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxy}-3,5,8,10,12,14-hexamethyl-1-oxacyclotetradec-14-ene-6,9-dione
EINECS	Contact for details

Quality Control

Our Elmycin B is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation, to ensure it meets stringent specifications for pharmaceutical and research use. A detailed Certificate of Analysis (COA) is provided with every shipment, documenting compliance with agreed-upon standards.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (typically 15-25°C). This product is hygroscopic (moisture-sensitive) and should be handled under appropriate conditions to maintain stability.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (IR)	Conforms to reference spectrum
Identification (HPLC)	Retention time matches reference standard
Assay (HPLC)	≥ 95.0%
Water Content (KF)	≤ 5.0%
Residue on Ignition	≤ 1.0%
Heavy Metals	≤ 20 ppm
Related Substances (HPLC)	Total impurities ≤ 5.0%

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