Description

5,6-Dihydropenicillic Acid CAS NO 35973-53-6 is a key intermediate in the synthesis of β-lactam antibiotics and related pharmacologically active compounds. Its value lies in its role as a versatile building block for developing novel penicillanic acid derivatives and enzyme inhibitors. This high-purity intermediate is essential for pharmaceutical R&D laboratories, process chemists, and manufacturers focused on antibiotic development and fine chemical synthesis.

Application

• Pharmaceutical Intermediate: Critical precursor in the synthesis of novel β-lactam antibiotics and penicillanic acid-based drugs.
• Biochemical Research: Used as a reference standard and starting material in studies of β-lactamase inhibition and antibiotic resistance mechanisms.
• Fine Chemical Synthesis: Serves as a specialized building block for creating complex molecules with potential biological activity.
• Process Development: Employed in scaling up and optimizing manufacturing routes for advanced antibiotic active pharmaceutical ingredients (APIs).

Basic Information

Product Name	5,6-Dihydropenicillic Acid
CAS No.	35973-53-6
Molecular Formula	C8H12N2O3S
Molecular Weight	216.26 g/mol
Synonyms	5,6-Dihydro-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylic Acid; 5,6-Dihydropenicillanic Acid; Dihydropenicillanic Acid; (2S,5R)-3,3-Dimethyl-7-oxo-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylic Acid; Penicillanic Acid, 5,6-dihydro-; 4-Thia-1-azabicyclo[3.2.0]heptane-2-carboxylic acid, 5,6-dihydro-3,3-dimethyl-7-oxo-
EINECS	Contact for details

Quality Control

Our 5,6-Dihydropenicillic Acid is manufactured under strict quality management systems to ensure batch-to-batch consistency and high purity suitable for research and synthesis. Each lot is accompanied by a comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles. We adhere to cGMP principles where applicable, and specifications can be aligned with customer requirements for pharmaceutical development.

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 compound is hygroscopic (moisture-sensitive) and should be handled in a dry environment to prevent degradation. Keep container tightly sealed when not in use.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Water Content (KF)	≤ 5.0%
Related Substances (HPLC)	Individual impurity ≤ 2.0%
Total Impurities	≤ 5.0%

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