Description

(4-Cyclopropanesulfonyl-Phenyl) Diazo Acetic Acid Ethyl Ester is a specialized diazo compound featuring a cyclopropanesulfonylphenyl moiety, making it a valuable building block for advanced organic synthesis. This compound matters for its role as a versatile precursor in the development of complex molecules, particularly in pharmaceutical and agrochemical research where the diazo and sulfonyl groups offer unique reactivity. It is needed by R&D chemists and process development scientists in the fine chemical, pharmaceutical, and advanced material sectors for constructing novel molecular architectures.

Application

• Pharmaceutical Intermediate: Serves as a key precursor in the synthesis of novel active pharmaceutical ingredients (APIs), particularly those requiring cyclopropane or sulfone motifs.
• Agrochemical Research: Used in the development of new herbicides, fungicides, and insecticides where the diazo functionality enables unique coupling reactions.
• Material Science: Acts as a monomer or cross-linking agent in the research of specialty polymers and advanced functional materials.
• Organic Synthesis Reagent: Employed in cyclopropanation reactions, C-H functionalization, and as a carbene precursor in metal-catalyzed transformations.
• Dye & Pigment Synthesis: Utilized in the research and development of novel diazo dyes and high-performance pigments.
• Academic & Industrial R&D: A valuable tool for methodological development and exploring new chemical spaces in both university and corporate research laboratories.

Basic Information

Product Name	(4-Cyclopropanesulfonyl-Phenyl) Diazo Acetic Acid Ethyl Ester
CAS No.	1234703-41-3
Molecular Formula	C13H14N2O4S
Molecular Weight	294.33 g/mol
Synonyms	Ethyl 2-diazo-2-(4-(cyclopropylsulfonyl)phenyl)acetate; 2-Diazo-2-[4-(cyclopropylsulfonyl)phenyl]acetic Acid Ethyl Ester; Diazo(4-cyclopropanesulfonylphenyl)acetate Ethyl Ester; 4-(Cyclopropylsulfonyl)benzenediazoacetate Ethyl Ester; Ethyl (4-Cyclopropanesulfonylphenyl)diazooacetate; p-(Cyclopropylsulfonyl)phenyldiazoacetic Acid Ethyl Ester
EINECS	Contact for details

Quality Control

Our (4-Cyclopropanesulfonyl-Phenyl) Diazo Acetic Acid Ethyl Ester is produced under strict quality management protocols. Each batch undergoes comprehensive analytical testing, including HPLC, NMR, and MS, to ensure identity, purity, and consistency. Certificates of Analysis (COA) detailing all specifications are provided with every shipment. We adhere to cGMP principles where applicable to support our clients in regulated research and development pipelines.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at a controlled room temperature (15-25°C). This compound is light-sensitive (store away from light). Keep away from heat, sparks, and open flame. For long-term storage, consider storage under an inert atmosphere to maintain stability.

Specification

Item	Specification
Appearance	Yellow to orange crystalline powder or solid
Identification (IR)	Conforms to structure
Identification (NMR)	Conforms to structure
Purity (HPLC)	≥ 95.0%
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.