Description

Benzofurazan-5-Carbonyl Chloride is a versatile and highly reactive organic intermediate, primarily used as a key building block in the synthesis of complex heterocyclic compounds. Its core value lies in its ability to efficiently introduce the benzofurazan moiety, a structure of significant interest in materials science and pharmaceutical research, into target molecules. This compound is essential for researchers and manufacturers in the pharmaceutical, agrochemical, and specialty chemical industries, where it serves as a precursor for active ingredients, dyes, and advanced functional materials.

Application

• Pharmaceutical Intermediate: A critical precursor in the synthesis of novel drug candidates, particularly those targeting neurological and cardiovascular diseases.
• Agrochemical Synthesis: Used to create advanced herbicides, fungicides, and insecticides with enhanced efficacy and selectivity.
• Functional Material Development: Serves as a building block for dyes, pigments, and organic electronic materials like OLEDs and sensors.
• Bioconjugation and Probe Chemistry: Employed to label biomolecules (proteins, peptides) for diagnostic assays and biochemical research due to its reactive carbonyl chloride group.
• Polymer Modification: Used to introduce benzofurazan functional groups into polymer chains to alter physical or optical properties.
• Research & Development: A valuable reagent in academic and industrial R&D for exploring new chemical entities and reaction pathways.

Basic Information

Product Name	Benzofurazan-5-Carbonyl Chloride
CAS No.	6086-26-6
Molecular Formula	C7H3ClN2O2
Molecular Weight	182.56 g/mol
Synonyms	5-Benzofurazancarbonyl chloride; 2,1,3-Benzoxadiazole-5-carbonyl chloride; Benzofurazan-5-carboxylic acid chloride; 5-Carboxybenzofurazan chloride; 2,1,3-Benzoxadiazole-5-carboxylic acid chloride; 1,2,5-Oxadiazolo[3,4-f]benzene-5-carbonyl chloride; 5-Chlorocarbonyl-2,1,3-benzoxadiazole
EINECS	Contact for details

Quality Control

Our Benzofurazan-5-Carbonyl Chloride is manufactured under strict quality control protocols to ensure batch-to-batch consistency and high purity. Each lot undergoes comprehensive analytical testing, including HPLC, NMR, and IR spectroscopy. A detailed Certificate of Analysis (COA) is provided with every shipment, confirming identity, purity, and impurity profiles. We adhere to cGMP standards where applicable to support our clients in regulated industries.

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 product is hygroscopic (moisture-sensitive) and should be handled under an inert atmosphere (e.g., nitrogen or argon) to prevent decomposition. Keep away from strong acids, bases, and oxidizing agents.

Specification

Item	Specification
Appearance	Yellow to orange crystalline powder or solid
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Melting Point	Contact for details
Water Content (KF)	≤ 0.5%

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