Description

Carbamic Acid, (4-Oxopentyl)-, 1,1-Dimethylethyl Ester (9Ci) is a specialized organic compound belonging to the class of carbamate esters, serving as a valuable protected intermediate in advanced organic synthesis. Its core value proposition lies in its role as a versatile building block for the controlled introduction of functional groups, enabling the synthesis of complex molecules with high precision. This chemical is essential for research and development chemists in the pharmaceutical, agrochemical, and fine chemical industries who require high-purity intermediates for constructing novel active ingredients and complex organic architectures.

Application

• Pharmaceutical Intermediate: A key protected synthon in the multi-step synthesis of active pharmaceutical ingredients (APIs), particularly for molecules requiring a specific amine or carbonyl functionality.
• Agrochemical Synthesis: Used in the research and development of novel pesticides, herbicides, and fungicides where its structural motif is incorporated into the final active compound.
• Peptide Chemistry & Bioconjugation: Acts as a versatile linker or protecting group reagent in the synthesis of modified peptides and for the site-specific conjugation of payloads in biopharmaceuticals.
• Material Science Research: Employed in the development of specialty polymers, dendrimers, and functional organic materials that require precise molecular engineering.
• Chemical Biology Probes: Utilized as a precursor for creating molecular probes and tags used to study biological processes and enzyme activity.
• Custom Synthesis & Contract Manufacturing: Serves as a critical starting material or intermediate for custom synthesis projects and contract research organizations (CROs/CMOs).

Basic Information

Product Name	Carbamic Acid, (4-Oxopentyl)-, 1,1-Dimethylethyl Ester (9Ci)
CAS No.	197358-56-8
Molecular Formula	C10H19NO3
Molecular Weight	201.26 g/mol
Synonyms	tert-Butyl (4-oxopentyl)carbamate; N-Boc-5-amino-2-pentanone; 5-[(tert-Butoxycarbonyl)amino]-2-pentanone; 1,1-Dimethylethyl N-(4-oxopentyl)carbamate; Boc-5-amino-2-pentanone; N-(tert-Butoxycarbonyl)-5-amino-2-pentanone; 4-Oxopentylcarbamic acid tert-butyl ester
EINECS	Contact for details

Quality Control

Our Carbamic Acid, (4-Oxopentyl)-, 1,1-Dimethylethyl Ester (9Ci) is produced under a strict quality management system. Each batch undergoes rigorous analytical testing to ensure high purity and consistency, meeting the stringent requirements for advanced synthetic applications. Standard quality verification includes chromatographic purity analysis and identity confirmation. A comprehensive Certificate of Analysis (COA) detailing all specifications is provided with every shipment to ensure full traceability and compliance with your internal quality protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at controlled room temperature (15-25°C). The product should be kept under an inert atmosphere if long-term storage is required to maintain stability. Keep away from strong oxidizing agents, strong acids, and strong bases.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Water Content (KF)	≤ 0.5%

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