Description

Diazenecarboxylic Acid, (1-Chloro-1-Methylethyl)-, Ethyl Ester (9Ci) is a specialized organic diazo compound used as a versatile building block in advanced chemical synthesis. This high-purity intermediate is critical for researchers and manufacturers requiring precise and reliable reagents for constructing complex molecular architectures. It is primarily utilized in the development of pharmaceuticals, agrochemicals, and advanced materials, where its unique reactive profile enables key synthetic transformations.

Application

• Pharmaceutical Intermediate: Serves as a key precursor in the synthesis of active pharmaceutical ingredients (APIs), particularly for compounds requiring the introduction of specific functional groups.
• Agrochemical Synthesis: Used in the research and production of novel herbicides, fungicides, and plant growth regulators.
• Organic Synthesis Reagent: Acts as a valuable diazo transfer agent and carbene precursor in laboratory-scale and pilot-scale organic reactions.
• Material Science Research: Employed in the development of specialty polymers and functional materials that incorporate diazo or carbene-derived linkages.
• Cross-Coupling Reactions: Functions as a coupling partner in metal-catalyzed reactions to form new carbon-carbon bonds.
• Chemical Biology Probes: Utilized in the design and synthesis of photoaffinity labeling agents and other biochemical tools.

Basic Information

Product Name	Diazenecarboxylic Acid, (1-Chloro-1-Methylethyl)-, Ethyl Ester (9Ci)
CAS No.	203793-95-7
Molecular Formula	C6H11ClN2O2
Molecular Weight	178.62 g/mol
Synonyms	Ethyl (1-Chloro-1-methylethyl)diazene-1-carboxylate; (1-Chloro-1-methylethyl)diazene-1-carboxylic Acid Ethyl Ester; Ethyl 2-Chloro-2-propylidiazene-1-carboxylate; 2-Chloro-2-propylidiazene-1-carboxylic Acid Ethyl Ester; Diazo Compound 203793-95-7; 1-Chloro-1-methylethyl diazenecarboxylate
EINECS	Contact for details

Quality Control

Our Diazenecarboxylic Acid, (1-Chloro-1-Methylethyl)-, Ethyl Ester (9Ci) is manufactured under strict quality management systems. Every batch undergoes rigorous analytical testing, including HPLC, GC, and NMR, to ensure high chemical purity and identity confirmation. Certificates of Analysis (COA) with full traceability are provided for all shipments, supporting compliance in regulated research and development environments.

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). Keep away from heat, sparks, and open flame. Due to its light-sensitive nature, handling should be conducted under appropriate conditions to maintain stability.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 97.0%
Purity (GC)	≥ 96.0%
Water Content (KF)	≤ 0.5%

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