Description

Erythromycin Propionate is a semi-synthetic ester derivative of the macrolide antibiotic Erythromycin. This compound is valued for its enhanced bioavailability and stability profile compared to the base erythromycin, making it a critical intermediate in advanced pharmaceutical synthesis. It is primarily utilized by manufacturers in the pharmaceutical industry for the production of specialized antibiotic formulations and as a key building block in chemical research and development.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of advanced macrolide antibiotics and prodrugs.
• Veterinary Medicine: Used in the formulation of antibiotics for the treatment of bacterial infections in animals.
• Research & Development: Serves as a standard or building block in microbiological and pharmacological research studies.
• API Manufacturing: Employed in the production of Active Pharmaceutical Ingredients (APIs) for human and veterinary use.

Basic Information

Product Name	Erythromycin Propionate
CAS No.	134-36-1
Molecular Formula	C40H71NO14
Molecular Weight	790.00 g/mol
Synonyms	Erythromycin 2'-propionate; Erythromycin propanoate; Erythromycin 2'-propanoate; Erythromycin 2'-propionate ester; Propionylerythromycin; ERY-Prop; (3R,4S,5S,6R,7R,9R,11R,12R,13S,14R)-4-[(2,6-Dideoxy-3-C-methyl-3-O-methyl-α-L-ribo-hexopyranosyl)oxy]-14-ethyl-7,12,13-trihydroxy-3,5,7,9,11,13-hexamethyl-6-[[3,4,6-trideoxy-3-(dimethylamino)-β-D-xylo-hexopyranosyl]oxy]oxacyclotetradecane-2,10-dione propionate
EINECS	205-145-7

Quality Control

Our Erythromycin Propionate is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation, to ensure it meets high-grade pharmaceutical standards. A Certificate of Analysis (COA) detailing all specifications 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 prevent moisture absorption.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to standard
Assay (HPLC)	≥ 98.0%
Water Content (KF)	≤ 2.0%
Residue on Ignition	≤ 0.2%
Heavy Metals	≤ 20 ppm
Related Substances (HPLC)	Total impurities ≤ 2.0%

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