Description

Carbamic Acid, (4-Chloro-2-Butenyl)-, 1,1-Dimethylethyl Ester, (E)- (9Ci) is a specialized organic intermediate of significant interest in advanced chemical synthesis. This compound matters for its role as a key building block in the development of complex molecules, particularly in the pharmaceutical and agrochemical sectors. Industries requiring high-purity, structurally defined intermediates for research and production will find this material essential for their synthetic workflows.

Application

• Pharmaceutical Intermediate: Serves as a crucial precursor in the synthesis of active pharmaceutical ingredients (APIs), especially those with complex alkenyl or chloroalkenyl side chains.
• Agrochemical Synthesis: Used in the research and development of novel herbicides, insecticides, and fungicides, leveraging its reactive chloro and ester functionalities.
• Organic Chemical Research: Acts as a valuable reagent in academic and industrial laboratories for studying stereoselective reactions and constructing carbamate-protected amine derivatives.
• Fine Chemical Production: Employed in the manufacture of specialty chemicals where the (E)-configured chloroalkenyl group is required for specific material properties.

Basic Information

Product Name	Carbamic Acid, (4-Chloro-2-Butenyl)-, 1,1-Dimethylethyl Ester, (E)- (9Ci)
CAS No.	121030-33-9
Molecular Formula	C9H16ClNO2
Molecular Weight	205.68 g/mol
Synonyms	(E)-tert-Butyl (4-chlorobut-2-en-1-yl)carbamate; (E)-N-(4-Chloro-2-butenyl)carbamic Acid 1,1-Dimethylethyl Ester; tert-Butyl N-[(2E)-4-chlorobut-2-en-1-yl]carbamate; (E)-Boc-4-Chloro-2-butenylamine; (2E)-4-Chloro-2-butenyl Carbamic Acid tert-Butyl Ester; (E)-1-Boc-amino-4-chloro-2-butene; 121030-33-9; (E)-4-Chloro-2-butenyl tert-butylcarbamate
EINECS	Contact for details

Quality Control

Our Carbamic Acid, (4-Chloro-2-Butenyl)-, 1,1-Dimethylethyl Ester, (E)- (9Ci) is produced under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation, to ensure it meets the high standards required for synthetic applications. A comprehensive Certificate of Analysis (COA) detailing purity, assay, and impurity profiles is provided with every shipment.

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 material is hygroscopic (moisture-sensitive); therefore, containers must be kept tightly sealed to exclude moisture. Keep away from heat and incompatible materials.

Specification

Item	Specification
Appearance	White to off-white solid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 97.0%
Purity (HPLC, Area %)	≥ 98.0%
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.