Description

(9S)-9-[[(4-Chlorophenyl)Sulfonyl]Amino]-9-Deoxoerythromycin CAS NO 56998-45-9 is a chemically modified derivative of the macrolide antibiotic erythromycin, designed for enhanced pharmacological properties and research applications. This compound is significant for its potential as a key intermediate in the development of novel semi-synthetic antibiotics and for advanced biochemical research. It is primarily needed by pharmaceutical R&D laboratories, fine chemical manufacturers, and academic institutions engaged in antimicrobial studies and new drug synthesis.

Application

• Pharmaceutical Intermediate: Serves as a critical building block in the synthesis of next-generation macrolide antibiotics with improved efficacy and reduced resistance.
• Biochemical Research: Used as a reference standard or probe in studies investigating bacterial protein synthesis inhibition and structure-activity relationships (SAR).
• Antimicrobial Agent Development: A key starting material for creating novel analogs targeting drug-resistant bacterial strains.
• Fine Chemical Synthesis: Employed in custom synthesis and contract manufacturing for specialized chemical entities.
• Academic & Institutional Research: Utilized in university and institutional labs for pharmacological and microbiological studies.

Basic Information

Product Name	(9S)-9-[[(4-Chlorophenyl)Sulfonyl]Amino]-9-Deoxoerythromycin
CAS No.	56998-45-9
Molecular Formula	C38H67ClN2O13S
Molecular Weight	835.48 g/mol
Synonyms	9-Deoxo-9-[(4-chlorophenyl)sulfonyl]aminoerythromycin; 9(S)-9-Amino-9-deoxoerythromycin 4'-chlorobenzenesulfonate derivative; Erythromycin 9-[(4-chlorophenyl)sulfonyl]imine; N-[(4-Chlorophenyl)sulfonyl]-9-deoxo-9-aminoerythromycin; (9S)-9-Deoxo-9-[(p-chlorophenylsulfonyl)amino]erythromycin; ABT-773 intermediate; Cethromycin derivative
EINECS	Contact for details

Quality Control

Our (9S)-9-[[(4-Chlorophenyl)Sulfonyl]Amino]-9-Deoxoerythromycin is manufactured under strict quality systems. Each batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation (IR, NMR), to ensure it meets high-purity research-grade standards. A comprehensive Certificate of Analysis (COA) detailing all specifications is provided with every shipment to guarantee traceability and consistency for your critical applications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at a controlled room temperature (15-25°C). This product is hygroscopic (moisture-sensitive) and should be handled in a dry environment to maintain stability. For long-term storage, consider desiccants.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Conforms to reference
Assay (HPLC)	≥ 95.0%
Water Content (KF)	≤ 5.0%
Residue on Ignition	≤ 1.0%
Heavy Metals	≤ 20 ppm

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