Description

6-Chloropenicillanic Acid S-Sulfoxide is a key pharmaceutical intermediate and a versatile building block in organic synthesis. This compound is of significant commercial importance for the development of advanced β-lactam antibiotics and other fine chemicals. It is primarily utilized by research institutions and manufacturers in the pharmaceutical, agrochemical, and specialty chemical industries.

Application

• Pharmaceutical Intermediate: A critical precursor in the synthesis of novel penicillin and cephalosporin derivatives, including β-lactamase inhibitors.
• Organic Synthesis Building Block: Used for constructing complex molecular architectures, leveraging its reactive sulfoxide and β-lactam functionalities.
• Research & Development: Serves as a standard or starting material in medicinal chemistry research for developing new antibacterial agents.
• Fine Chemical Production: Employed in the manufacture of high-value, low-volume specialty chemicals for various industrial applications.
• Process Chemistry: Used in scale-up and optimization studies for the commercial production of related antibiotic compounds.

Basic Information

Product Name	6-Chloropenicillanic Acid S-Sulfoxide
CAS No.	97729-66-3
Molecular Formula	C8H10ClNO3S
Molecular Weight	235.69 g/mol
Synonyms	(2S,5R)-3,3-Dimethyl-7-oxo-6-[(R)-chlorosulfinyl]-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylic acid; 6α-Chloropenicillanic acid S-oxide; 6-Chloro-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylic acid S-oxide; 6-Chloropenicillanic acid sulfoxide; 6-CPSO; 6-Chloro-Pen-S-Oxide; 6-Chloro Penicillanic Acid S-Oxide
EINECS	Contact for details

Quality Control

Our 6-Chloropenicillanic Acid S-Sulfoxide is produced under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation, to ensure it meets the high standards required for pharmaceutical intermediate applications. A comprehensive Certificate of Analysis (COA) detailing purity, impurities, and physical characteristics is provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at a controlled room temperature (15-25°C). This material is hygroscopic (moisture-sensitive) and light-sensitive; containers must be kept tightly sealed and away from moisture and direct light to maintain stability and purity.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Related Substances (HPLC)	Total impurities ≤ 2.0%
Water Content (KF)	≤ 1.0%
Residue on Ignition	≤ 0.1%

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