Description

3-Cyclopentene-1-Carboxamide,n-Methoxy-n-Methyl-(9Ci) is a specialized organic compound, identified by CAS number 248275-70-9, that serves as a valuable intermediate in advanced synthetic chemistry. Its unique structure, featuring a cyclopentene ring and a Weinreb amide moiety, makes it a critical building block for the controlled synthesis of ketones and other complex molecules. This high-purity intermediate is essential for research and development chemists in the pharmaceutical, agrochemical, and fine chemical industries seeking to streamline complex synthetic routes.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of active pharmaceutical ingredients (APIs), particularly for compounds containing cyclopentene-based scaffolds.
• Agrochemical Synthesis: Used in the research and development of novel herbicides, fungicides, and insecticides, leveraging its reactive amide functionality.
• Fine Chemical Production: Serves as a versatile building block for creating complex organic molecules, flavors, and fragrances in custom synthesis projects.
• Academic & Industrial Research: A valuable reagent for methodological development in organic synthesis, especially in reactions involving Weinreb amides for ketone formation.
• Material Science Precursor: Potential use in the development of specialty polymers and advanced organic materials with tailored properties.

Basic Information

Item	Details
Product Name	3-Cyclopentene-1-Carboxamide,n-Methoxy-n-Methyl-(9Ci)
CAS No.	248275-70-9
Molecular Formula	C8H13NO2
Molecular Weight	155.19 g/mol
Synonyms	N-Methoxy-N-methyl-3-cyclopentene-1-carboxamide; 3-Cyclopentene-1-carboxylic acid, N-methoxy-N-methylamide; 1-(Methoxymethylcarbamoyl)cyclopent-3-ene; N-Methoxy-N-methylcyclopent-3-ene-1-carboxamide; Cyclopent-3-ene-1-carboxylic acid N-methoxy-N-methylamide; Weinreb amide of 3-cyclopentene-1-carboxylic acid
EINECS	Contact for details

Quality Control

Our 3-Cyclopentene-1-Carboxamide,n-Methoxy-n-Methyl-(9Ci) is manufactured under strict quality management systems to ensure batch-to-batch consistency and high purity. Each lot undergoes comprehensive analytical testing, including HPLC, GC, and NMR, to verify identity and purity against stringent internal specifications. Certificates of Analysis (COA) detailing all test results are provided with every shipment to support your quality assurance and regulatory needs.

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 hygroscopic (moisture-sensitive) nature, the container must be kept tightly sealed after opening to prevent degradation from atmospheric moisture. Keep away from incompatible materials.

Specification

Item	Specification
Appearance	White to off-white solid
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Water Content (KF)	≤ 1.0%
Residue on Ignition	≤ 0.1%

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