Description

Carbamic Acid, (1-Methyl-3-Oxopropyl)-, 1,1-Dimethylethyl Ester (9Ci) is a specialized organic compound serving as a valuable building block and protecting group reagent in advanced synthetic chemistry. Its core value lies in enabling the controlled synthesis of complex molecules, particularly in the development of active pharmaceutical ingredients (APIs) and fine chemicals. This high-purity intermediate is essential for research and production chemists in the pharmaceutical, agrochemical, and biotechnology sectors who require reliable, high-quality raw materials for complex multi-step syntheses.

Application

• Pharmaceutical Intermediate: A key building block in the multi-step synthesis of novel drug candidates and active pharmaceutical ingredients (APIs).
• Peptide Synthesis: Used as a protecting group reagent for amino functionalities during solid-phase and solution-phase peptide synthesis.
• Agrochemical Research: Serves as a precursor in the development and production of advanced pesticides and herbicides.
• Fine Chemical Production: Employed in the manufacture of complex, high-value specialty chemicals and custom synthesis projects.
• Academic & R&D Laboratories: A critical reagent for methodological development and exploratory organic synthesis in research institutions.
• Bioconjugation Chemistry: Potentially utilized in the synthesis of linker molecules for antibody-drug conjugates (ADCs) and other bioconjugates.

Basic Information

Product Name	Carbamic Acid, (1-Methyl-3-Oxopropyl)-, 1,1-Dimethylethyl Ester (9Ci)
CAS No.	186743-06-6
Molecular Formula	C9H17NO3
Molecular Weight	187.24 g/mol
Synonyms	tert-Butyl (1-methyl-3-oxopropyl)carbamate; N-(tert-Butoxycarbonyl)-3-oxobutylamine; 3-Oxobutylcarbamic acid tert-butyl ester; Boc-3-aminobutan-2-one; (1-Methyl-3-oxopropyl)carbamic acid 1,1-dimethylethyl ester; tert-Butyl N-(1-methyl-3-oxopropyl)carbamate; 186743-06-6; BOC-3-oxobutylamine
EINECS	Contact for details

Quality Control

Our Carbamic Acid, (1-Methyl-3-Oxopropyl)-, 1,1-Dimethylethyl Ester (9Ci) is manufactured under strict quality management systems. Every batch undergoes rigorous analytical testing, including HPLC, GC, and NMR, to ensure high purity and consistency suitable for sensitive synthetic applications. Certificates of Analysis (COA) with full traceability are provided for each lot, confirming compliance with agreed specifications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place. Recommended storage temperature is 2-8°C for long-term stability. The material is moisture-sensitive; keep the container tightly sealed under an inert atmosphere if specified.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	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.