Description

Monomethyl Benzylpenicilloate CAS NO 59054-27-2 is a key chemical intermediate primarily used in the synthesis of advanced pharmaceutical compounds. This compound is of significant value in research and development for creating novel β-lactam antibiotics and other therapeutic agents. It is essential for pharmaceutical manufacturers, R&D laboratories, and fine chemical synthesis companies focused on antibiotic development and medicinal chemistry.

Application

• Critical intermediate in the synthesis of novel penicillin and cephalosporin derivatives.
• Building block for research into new β-lactam antibiotics with enhanced efficacy.
• Used in medicinal chemistry for structure-activity relationship (SAR) studies.
• Key starting material in the production of specialized pharmaceutical active ingredients (APIs).
• Employed in academic and industrial R&D for developing antibiotic resistance-modifying agents.
• Utilized in the fine chemical industry for custom synthesis projects.

Basic Information

Product Name	Monomethyl Benzylpenicilloate
CAS No.	59054-27-2
Molecular Formula	C17H20N2O5S
Molecular Weight	364.42 g/mol
Synonyms	Methyl (2S,5R,6R)-3,3-dimethyl-7-oxo-6-[(phenylacetyl)amino]-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylate 4,4-Dioxide; Benzylpenicilloic Acid Methyl Ester; Methyl 6β-Phenylacetamidopenicillanate S,S-Dioxide; Monomethyl Ester of Benzylpenicilloic Acid; Penicilloic Acid Methyl Ester (Benzyl-); Methyl Benzylpenicilloate
EINECS	Contact for details

Quality Control

Our Monomethyl Benzylpenicilloate is produced under strict quality management systems to ensure high purity and batch-to-batch consistency, suitable for pharmaceutical intermediate applications. Each lot is accompanied by a comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles. We adhere to cGMP guidelines where applicable to support our clients' regulatory requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at controlled room temperature (15-25°C). Keep the container tightly sealed to protect from moisture.

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)	≤ 0.5%
Residue on Ignition	≤ 0.1%

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