Description

Carbamic Acid, Ethyl(3-Oxo-1-Cyclopenten-1-Yl)-, Methyl Ester (9Ci) is a specialized organic compound belonging to the class of cyclopentenone derivatives, serving as a valuable chemical intermediate and building block in advanced organic synthesis. Its unique molecular structure, featuring both carbamate and ketone functionalities, makes it a versatile precursor for constructing complex molecules. This compound is primarily sought after by pharmaceutical and agrochemical research and development teams for the synthesis of novel active ingredients.

Application

• Pharmaceutical Intermediate: A key building block in the synthesis of complex drug candidates, particularly those with cyclic or heterocyclic frameworks.
• Agrochemical Synthesis: Used in the research and development of new pesticides, herbicides, and plant growth regulators.
• Organic Synthesis Reagent: Serves as a versatile precursor for constructing cyclopentenone-based structures in academic and industrial research laboratories.
• Fine Chemical Production: Employed in the manufacture of specialty chemicals, dyes, and other performance materials requiring specific cyclic ketone motifs.

Basic Information

Product Name	Carbamic Acid, Ethyl(3-Oxo-1-Cyclopenten-1-Yl)-, Methyl Ester (9Ci)
CAS No.	543911-23-5
Molecular Formula	C9H13NO4
Molecular Weight	199.20 g/mol
Synonyms	Ethyl(3-oxo-1-cyclopenten-1-yl)carbamic acid methyl ester; Methyl N-[ethyl(3-oxocyclopent-1-en-1-yl)]carbamate; Carbamic acid, N-[ethyl(3-oxo-1-cyclopenten-1-yl)]-, methyl ester; (9CI) 543911-23-5
EINECS	Contact for details

Quality Control

Our production of Carbamic Acid, Ethyl(3-Oxo-1-Cyclopenten-1-Yl)-, Methyl Ester adheres to stringent internal quality standards to ensure batch-to-batch consistency and reliability for your synthetic processes. Each lot undergoes comprehensive analytical testing, including HPLC for purity and IR for structural confirmation. A detailed Certificate of Analysis (COA) is provided with every shipment, documenting all critical quality parameters.

Storage

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

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.