Description

Carbamic Acid, Ethyl(3-Oxocyclopentyl)-, Methyl Ester (9Ci) is a specialized organic compound belonging to the carbamate ester family, characterized by its cyclopentanone and ethyl carbamate substructures. This chemical serves as a versatile and high-purity synthetic intermediate critical for constructing complex molecular architectures in advanced research and development. It is primarily utilized by pharmaceutical, agrochemical, and fine chemical industries for the synthesis of active ingredients and novel compounds.

Application

• Pharmaceutical Intermediate: Key building block in the synthesis of potential drug candidates, particularly those targeting neurological or metabolic pathways.
• Agrochemical Synthesis: Used in the research and development of novel pesticides, herbicides, and plant growth regulators.
• Fine Chemical Production: Serves as a precursor for specialty chemicals, flavors, fragrances, and advanced materials.
• Organic Synthesis Research: A valuable reagent in academic and industrial R&D for exploring new chemical reactions and methodologies.
• Peptidomimetic & Prodrug Development: Its carbamate functionality makes it suitable for creating peptide analogs and prodrug constructs.

Basic Information

Product Name	Carbamic Acid, Ethyl(3-Oxocyclopentyl)-, Methyl Ester (9Ci)
CAS No.	543911-28-0
Molecular Formula	C9H15NO3
Molecular Weight	185.22 g/mol
Synonyms	Methyl N-ethyl-N-(3-oxocyclopentyl)carbamate; Ethyl(3-oxocyclopentyl)carbamic acid methyl ester; 3-Oxocyclopentyl(ethyl)carbamic acid methyl ester; (3-Oxocyclopentyl)-ethyl-carbamic acid methyl ester; N-Ethyl-N-(3-oxocyclopentyl)carbamic acid methyl ester; Cyclopentanone carbamate derivative; Ethyl 3-oxocyclopentylcarbamate methyl ester
EINECS	Contact for details

Quality Control

Our Carbamic Acid, Ethyl(3-Oxocyclopentyl)-, Methyl Ester (9Ci) is produced under a strict quality management system. Each batch undergoes rigorous analytical testing, including HPLC, GC, and NMR, to ensure identity, purity, and consistency. Certificates of Analysis (COA) detailing all specifications are provided with every shipment. We can support development and commercial projects requiring compliance with cGMP, ICH guidelines, and relevant regulatory standards.

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). Keep away from heat, sparks, and open flame. For long-term storage, consider an inert atmosphere to maintain optimal purity.

Specification

Item	Specification
Appearance	White to off-white crystalline powder or solid
Identification (IR)	Conforms to structure
Identification (NMR)	Conforms to structure
Assay (HPLC/GC)	≥97.0% (Typical 98.0-99.5%)
Related Substances (HPLC)	Total impurities ≤2.0%
Residual Solvents (GC)	Meets ICH guidelines
Loss on Drying	≤0.5%

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