Description

Carbamic Acid, 2-Butynyl-, 1,1-Dimethylethyl Ester (9Ci) is a specialized organic building block of significant interest in advanced synthetic chemistry. This compound serves as a key intermediate for constructing complex molecular architectures, particularly in pharmaceutical research and agrochemical development. It is primarily utilized by R&D chemists and process development scientists in the fine chemical and life sciences industries seeking to introduce specific functional groups with high precision.

Application

• Pharmaceutical Intermediate: A crucial building block in the synthesis of novel active pharmaceutical ingredients (APIs), especially those requiring alkyne-functionalized carbamate motifs.
• Agrochemical Synthesis: Used in the research and development of next-generation herbicides, fungicides, and plant growth regulators.
• Material Science Research: Serves as a monomer or cross-linking agent in the development of specialty polymers with tailored properties.
• Chemical Biology & Proteomics: Acts as a versatile reagent for bioconjugation and probe synthesis, leveraging its reactive alkyne handle for click chemistry applications.
• Organic Synthesis Reagent: Employed in academic and industrial laboratories for constructing complex natural products and other organic molecules.

Basic Information

Product Name	Carbamic Acid, 2-Butynyl-, 1,1-Dimethylethyl Ester (9Ci)
CAS No.	156731-36-1
Molecular Formula	C9H15NO2
Molecular Weight	169.22 g/mol
Synonyms	tert-Butyl 2-butynylcarbamate; 2-Butynylcarbamic Acid tert-Butyl Ester; N-(2-Butynyl)carbamic Acid 1,1-Dimethylethyl Ester; tert-Butyl N-(but-2-yn-1-yl)carbamate; But-2-yn-1-yl-carbamic Acid tert-Butyl Ester; 1,1-Dimethylethyl N-(2-Butynyl)carbamate; BOC-2-Butynylamine (common abbreviation); tert-Butyl (but-2-ynyl)carbamate
EINECS	Contact for details

Quality Control

Our Carbamic Acid, 2-Butynyl-, 1,1-Dimethylethyl Ester (9Ci) is produced under strict quality management systems. Every batch undergoes rigorous analytical testing to ensure identity, purity, and consistency, meeting the stringent requirements for research and process chemistry. A comprehensive Certificate of Analysis (COA) detailing purity, assay, and impurity profiles is provided with each shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area away from incompatible materials such as strong acids and organic solvents. Recommended storage temperature is 2-8°C for long-term stability.

Specification

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