Description

1-Cyclopentene-1-Carboxylic Acid, 2-Methyl- (6Ci,9Ci) is a specialized, high-value organic building block characterized by its cyclopentene ring fused with a carboxylic acid functionality. This compound matters as a versatile chiral synthon and intermediate, enabling the synthesis of complex molecules with precise stereochemistry for advanced research and development. It is primarily needed by pharmaceutical R&D laboratories, agrochemical innovators, and specialty chemical manufacturers focused on creating novel active ingredients and fine chemicals.

Application

• Pharmaceutical Intermediate: A key chiral building block for the synthesis of novel active pharmaceutical ingredients (APIs), particularly in therapeutic areas requiring complex cyclic structures.
• Agrochemical Synthesis: Used in research and development for creating advanced herbicides, fungicides, and plant growth regulators with specific stereochemical properties.
• Fine Chemical Production: Serves as a precursor in the manufacture of specialty chemicals, including flavors, fragrances, and advanced materials.
• Academic & Industrial Research: Employed in organic chemistry research for method development, catalysis studies, and exploring new reaction pathways involving strained olefinic acids.
• Ligand and Catalyst Development: The carboxylic acid group and chiral center make it a candidate for developing novel ligands for asymmetric catalysis.

Basic Information

Product Name	1-Cyclopentene-1-Carboxylic Acid, 2-Methyl- (6Ci,9Ci)
CAS No.	67209-77-2
Molecular Formula	C7H10O2
Molecular Weight	126.15 g/mol
Synonyms	2-Methyl-1-cyclopentene-1-carboxylic acid; 2-Methylcyclopent-1-ene-1-carboxylic Acid; (2-Methyl-1-cyclopenten-1-yl)carboxylic Acid; 1-Cyclopentene-1-carboxylic acid, 2-methyl-; 2-Methyl-1-cyclopentenecarboxylic Acid; NSC 163063; 67209-77-2 (CAS)
EINECS	Contact for details

Quality Control

Our production of 1-Cyclopentene-1-Carboxylic Acid, 2-Methyl- adheres to stringent quality management protocols. Each batch undergoes comprehensive analytical testing, including chromatographic purity analysis and identity confirmation, to ensure it meets exacting R&D and pilot-scale requirements. Certificates of Analysis (COA) detailing batch-specific results are provided and can be tailored to meet specific customer or regulatory needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at controlled room temperature (typically 15-25°C). Keep away from strong bases, oxidizing agents, and sources of ignition. For long-term storage, consider an inert atmosphere to preserve stability.

Specification

Item	Specification
Appearance	White to off-white crystalline powder or solid
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 95.0% (Typical 97-99%)
Melting Point	Contact for details
Water Content (KF)	≤ 1.0%
Residue on Ignition	≤ 0.5%

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