Description

2-Methyl-3-Oxocyclopentanecarboxylic Acid is a versatile keto acid derivative that serves as a critical chiral building block and synthetic intermediate in advanced organic synthesis. Its unique cyclopentane ring structure functionalized with both a ketone and a carboxylic acid group makes it a valuable precursor for complex molecular architectures. This compound is essential for research and production in the pharmaceutical and fine chemical industries, where it is used to construct active pharmaceutical ingredients (APIs) and specialty compounds.

Application

• Pharmaceutical Intermediate: Key chiral synthon for the synthesis of prostaglandins, steroid analogs, and other bioactive molecules.
• Fine Chemical Synthesis: Building block for fragrances, flavors, and advanced materials requiring specific stereochemistry.
• Agrochemical Research: Intermediate in the development of novel herbicides and plant growth regulators.
• Academic & R&D: Valuable reagent in methodological organic chemistry research and asymmetric synthesis studies.
• Catalyst & Ligand Preparation: Precursor for synthesizing specialized ligands used in asymmetric catalysis.

Basic Information

Product Name	2-Methyl-3-Oxocyclopentanecarboxylic Acid
CAS No.	3033-53-2
Molecular Formula	C7H10O3
Molecular Weight	142.15 g/mol
Synonyms	3-Oxo-2-methylcyclopentanecarboxylic acid; 2-Methyl-3-oxocyclopentane-1-carboxylic acid; 2-Methyl-3-oxocyclopentylcarboxylic acid; 3-Oxo-2-methyl-1-cyclopentanecarboxylic acid; NSC 163045; 2-Methyl-3-oxo-cyclopentanecarboxylic acid; 2-Methyl-3-oxocyclopentane carboxylic acid
EINECS	221-217-4

Quality Control

Our 2-Methyl-3-Oxocyclopentanecarboxylic Acid is manufactured under strict quality management systems. Each batch is subjected to comprehensive analytical testing, including chromatographic purity assays and identity confirmation, to ensure it meets the high standards required for research and industrial synthesis. A detailed Certificate of Analysis (COA) is provided with every shipment, guaranteeing traceability and consistent quality.

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). Keep away from strong acids and organic solvents. The container should be kept tightly sealed to protect the integrity of the product.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 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.