Description

4H-Pyran,3-Bromo-(9Ci) CAS NO 397330-08-4 is a specialized brominated heterocyclic compound belonging to the pyran class, serving as a valuable synthetic intermediate. Its core value lies in its reactive bromine substituent, which enables selective functionalization and incorporation into more complex molecular architectures. This chemical is essential for researchers and process chemists in the pharmaceutical and agrochemical industries, particularly for developing active ingredients and novel materials.

Application

• Pharmaceutical Intermediate: Key building block in the synthesis of potential drug candidates and active pharmaceutical ingredients (APIs).
• Agrochemical Research: Used in the development of novel herbicides, fungicides, and plant growth regulators.
• Material Science: Serves as a precursor for functional polymers, liquid crystals, and organic electronic materials.
• Organic Synthesis: A versatile reagent for cross-coupling reactions, nucleophilic substitutions, and cyclization processes.
• Chemical Research: Employed in academic and industrial R&D for exploring new synthetic methodologies and heterocyclic chemistry.
• Fine Chemical Production: Intermediate in the manufacture of dyes, pigments, and other specialty chemicals.

Basic Information

Product Name	4H-Pyran,3-Bromo-(9Ci)
CAS No.	397330-08-4
Molecular Formula	C5H5BrO
Molecular Weight	161.00 g/mol
Synonyms	3-Bromo-4H-pyran; 3-Bromopyran; 3-Bromo-4H-pyran-4-one (tautomer); 3-Bromo-4H-pyran-4-ol; 3-Bromodihydropyran-4-one; Bromopyran; 4H-Pyran, 3-bromo-; 397330-08-4
EINECS	Contact for details

Quality Control

Our 4H-Pyran,3-Bromo-(9Ci) is produced under strict quality management protocols. Each batch undergoes rigorous analytical testing, including HPLC, GC, and NMR, to ensure high purity and consistency. We provide comprehensive Certificates of Analysis (COA) with every shipment, detailing identity, purity, and impurity profiles. Our quality system is designed to meet the stringent requirements of research and development applications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (15-25°C). Keep away from heat, sparks, and open flame. Due to its light-sensitive nature, containers should be amber-colored or stored in light-resistant packaging.

Specification

Item	Specification
Appearance	White to off-white crystalline powder or solid
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 10 ppm

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