Description

Cyclopentanecarboxylic Acid, 2-(Hydroxyimino)-, Methyl Ester (9Ci) is a specialized organic compound featuring a cyclopentane ring fused with a carboxylic acid methyl ester and an oxime functional group. This unique molecular architecture makes it a valuable building block and intermediate in advanced synthetic chemistry. It is primarily sought after by researchers and manufacturers in the pharmaceutical and agrochemical industries for the development of novel active ingredients and fine chemicals.

Application

• Pharmaceutical Intermediate: Serves as a key precursor in the synthesis of complex drug molecules, particularly those requiring a functionalized cyclopentane scaffold.
• Agrochemical Synthesis: Used in the research and production of advanced pesticides, herbicides, and plant growth regulators.
• Organic Synthesis Building Block: The reactive oxime and ester groups make it a versatile intermediate for constructing heterocycles and other complex organic structures in R&D.
• Chemical Research & Development: Employed in academic and industrial labs for methodological studies and the discovery of new chemical entities.
• Fine Chemical Production: Utilized in the manufacture of specialty chemicals, flavors, and fragrances where high-purity intermediates are critical.

Basic Information

Product Name	Cyclopentanecarboxylic Acid, 2-(Hydroxyimino)-, Methyl Ester (9Ci)
CAS No.	170016-09-8
Molecular Formula	C7H11NO3
Molecular Weight	157.17 g/mol
Synonyms	2-(Hydroxyimino)cyclopentanecarboxylic acid methyl ester; Methyl 2-(hydroxyimino)cyclopentanecarboxylate; 2-Oximinocyclopentanecarboxylic Acid Methyl Ester; Cyclopentanecarboxylic acid, 2-(hydroxyimino)-, methyl ester; 170016-09-8; Methyl (Z)-2-(hydroxyimino)cyclopentanecarboxylate; (2E)-2-(Hydroxyimino)cyclopentanecarboxylic acid methyl ester
EINECS	Contact for details

Quality Control

We maintain a rigorous quality management system to ensure batch-to-batch consistency and high purity. Our products undergo comprehensive analytical testing, including HPLC, GC, and NMR, to verify identity and purity against established specifications. A Certificate of Analysis (COA) detailing all test results is provided with each shipment and is available upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). Keep away from heat, sparks, and open flame. For long-term storage, consider storing under an inert atmosphere to maintain stability.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
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.