Description

Pentanoic Acid, 2-(Hydroxyimino)-3-Oxo-, Methyl Ester, (2Z)- (9Ci) is a specialized organic compound featuring a unique oxime ester functional group. This structure makes it a valuable intermediate for synthesizing complex molecules in advanced research and development. It is primarily sought by fine chemical manufacturers and research institutions engaged in pharmaceutical, agrochemical, and material science projects requiring high-purity building blocks.

Application

• Pharmaceutical Intermediate: Serves as a key synthon in the research and development of novel active pharmaceutical ingredients (APIs), particularly those requiring oxime or β-ketoester functionalities.
• Agrochemical Synthesis: Used in the production of advanced crop protection agents, including herbicides and insecticides, where its reactive groups enable specific molecular modifications.
• Organic Synthesis Building Block: A versatile reagent for constructing complex heterocycles and other organic frameworks in academic and industrial R&D laboratories.
• Material Science Research: Investigated as a precursor for functional polymers or specialty chemicals with tailored properties.
• Chemical Reference Standard: Supplied as a high-purity standard for analytical method development and quality control in chemical manufacturing.

Basic Information

Product Name	Pentanoic Acid, 2-(Hydroxyimino)-3-Oxo-, Methyl Ester, (2Z)- (9Ci)
CAS No.	289882-13-9
Molecular Formula	C7H11NO4
Molecular Weight	173.17 g/mol
Synonyms	2-(Hydroxyimino)-3-oxopentanoic acid methyl ester; Methyl 2-(hydroxyimino)-3-oxopentanoate; (2Z)-2-(Hydroxyimino)-3-oxopentanoic acid methyl ester; 3-Oxo-2-(hydroxyimino)pentanoic acid methyl ester; Methyl (2Z)-2-(hydroxyimino)-3-oxopentanoate; 289882-13-9; Pentanoic acid, 2-(hydroxyimino)-3-oxo-, methyl ester, (2Z)-
EINECS	Contact for details

Quality Control

Our Pentanoic Acid, 2-(Hydroxyimino)-3-Oxo-, Methyl Ester, (2Z)- (9Ci) is produced under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC, NMR, and GC-MS, to ensure identity, purity, and consistency. Certificates of Analysis (COA) detailing all specifications are provided with every shipment to support your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at a controlled room temperature (15-25°C). Keep away from heat sources and incompatible materials such as strong oxidizing agents, strong acids, and strong bases. The compound may be light-sensitive; prolonged exposure to light should be avoided.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 97.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Related Substances (HPLC)	Total impurities ≤ 3.0%

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