Description

Cyclohexanecarboxylic Acid, 3-(Hydroxyimino)-2-Methoxy-, Methyl Ester, (1S-Cis)- (9Ci) is a high-purity, stereochemically defined synthetic intermediate of significant importance in advanced organic synthesis. Its value lies in its unique molecular scaffold, which incorporates both a carboxylic ester and an oxime functional group, making it a versatile building block for constructing complex molecules. This compound is primarily needed by research and development laboratories, as well as production facilities in the pharmaceutical and agrochemical sectors, where it serves as a key precursor for active ingredients and novel chemical entities.

Application

• Pharmaceutical Intermediate: A critical chiral building block in the synthesis of novel drug candidates, particularly those targeting central nervous system (CNS) disorders or possessing complex polycyclic structures.
• Agrochemical Synthesis: Used in the research and development of advanced pesticides and herbicides, where its specific stereochemistry can influence biological activity.
• Organic Synthesis Research: Serves as a versatile starting material or intermediate in academic and industrial research for exploring new chemical reactions and methodologies, especially those involving oxime chemistry.
• Fine Chemical Production: Employed in the manufacture of specialty chemicals, flavors, and fragrances that require high-purity, structurally complex intermediates.
• Material Science Precursor: Potential use in the development of specialty polymers or functional materials where the incorporation of a specific chiral center is required.

Basic Information

Product Name	Cyclohexanecarboxylic Acid, 3-(Hydroxyimino)-2-Methoxy-, Methyl Ester, (1S-Cis)- (9Ci)
CAS No.	159581-81-4
Molecular Formula	C10H15NO4
Molecular Weight	213.23 g/mol
Synonyms	(1S,2S,3R)-3-(Hydroxyimino)-2-methoxycyclohexanecarboxylic acid methyl ester; Methyl (1S,2S,3R)-3-(hydroxyimino)-2-methoxycyclohexane-1-carboxylate; (1S-cis)-3-(Hydroxyimino)-2-methoxycyclohexanecarboxylic Acid Methyl Ester; cis-3-(Hydroxyimino)-2-methoxycyclohexanecarboxylic acid methyl ester; A key chiral oxime ester intermediate.
EINECS	Contact for details

Quality Control

Our Cyclohexanecarboxylic Acid, 3-(Hydroxyimino)-2-Methoxy-, Methyl Ester, (1S-Cis)- (9Ci) is produced under strict quality management systems. Each batch undergoes rigorous analytical testing, including chiral purity analysis by HPLC, to ensure it meets the high standards required for synthetic applications. Certificates of Analysis (COA) detailing identity, purity, and impurity profiles are provided with every shipment to guarantee traceability and consistency for your critical R&D and production processes.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at a controlled room temperature (typically 15-25°C). Due to its sensitivity to oxidation, it is recommended to store the product under an inert atmosphere (e.g., nitrogen) for long-term stability, especially after the container has been opened. Keep away from heat, sparks, and open flame.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Chiral Purity (Chiral HPLC)	≥ 99.0% ee
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 10 ppm

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