Description

Carbamic Acid, (1-Oxo-4-Pentenyl)-, 1,1-Dimethylethyl Ester (9Ci) is a specialized chemical intermediate featuring a protected carbamate group and an unsaturated ketone moiety. This unique structure makes it a valuable building block for the synthesis of more complex molecules, particularly in pharmaceutical research and fine chemical manufacturing. It is primarily sought by R&D chemists and process development scientists working on novel active pharmaceutical ingredients (APIs), agrochemicals, and advanced material precursors.

Application

• Pharmaceutical Intermediate: A key synthon in the research and development of new drug candidates, particularly those requiring carbamate or amide linkages.
• Peptide Mimetic Synthesis: Used in the construction of peptidomimetics and other bioactive compounds that mimic natural peptides.
• Agrochemical Research: Serves as a precursor in the development of novel herbicides, fungicides, or insecticides with specific mode-of-action targets.
• Polymer Modification: Can be utilized to introduce functional groups into polymer chains for specialty materials with tailored properties.
• Organic Synthesis Building Block: Employed in multi-step synthetic routes to create complex heterocycles or other advanced organic structures.
• Cross-coupling Reactions: The pentenyl and carbonyl groups may serve as handles for further functionalization via metal-catalyzed reactions.

Basic Information

Product Name	Carbamic Acid, (1-Oxo-4-Pentenyl)-, 1,1-Dimethylethyl Ester (9Ci)
CAS No.	138252-60-5
Molecular Formula	C10H17NO3
Molecular Weight	199.25 g/mol
Synonyms	tert-Butyl (1-oxopent-4-en-1-yl)carbamate; N-(tert-Butoxycarbonyl)-4-pentenamide; Boc-4-Pentenamide; 1,1-Dimethylethyl N-(1-oxo-4-pentenyl)carbamate; tert-Butyl N-(4-pentenoyl)carbamate; 4-Pentenoyl tert-butyl carbamate; (1-Oxo-4-pentenyl)carbamic acid tert-butyl ester
EINECS	Contact for details

Quality Control

Our production of Carbamic Acid, (1-Oxo-4-Pentenyl)-, 1,1-Dimethyl Ester adheres to stringent internal quality standards to ensure batch-to-batch consistency and high purity for research and development applications. All products undergo rigorous analytical testing, including HPLC, NMR, and IR spectroscopy. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with each 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 room temperature (15-25°C). This compound is hygroscopic (moisture-sensitive); therefore, containers must be kept tightly sealed and consideration should be given to storage under an inert atmosphere for long-term preservation of quality.

Specification

Item	Specification
Appearance	White to off-white solid
Identification (IR)	Conforms to structure
Identification (NMR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Water Content (KF)	≤ 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.