Description

6-Bromo-2-Methyl-3-Nitro-2H-1-Benzopyran is a high-purity, synthetically valuable chromene derivative, serving as a critical building block in advanced organic synthesis. Its unique halogenated and nitrated structure makes it an essential intermediate for developing novel compounds with potential biological activity. This product is primarily targeted at research and development laboratories, pharmaceutical intermediates manufacturers, and agrochemical companies seeking to create new active ingredients.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of novel drug candidates, particularly for therapeutic areas requiring chromene-based scaffolds.
• Agrochemical Research: Used in developing new pesticides and herbicides, where the bromo and nitro functional groups can be leveraged for bioactivity.
• Organic Synthesis Building Block: Employed in heterocyclic and medicinal chemistry for constructing complex molecules via cross-coupling and substitution reactions.
• Material Science Research: Investigated as a monomer or precursor for functional organic materials, such as dyes or photoresponsive polymers.
• Academic & R&D: Utilized in university and industrial research laboratories for methodological studies and exploring new chemical transformations.

Basic Information

Product Name	6-Bromo-2-Methyl-3-Nitro-2H-1-Benzopyran
CAS No.	57543-78-9
Molecular Formula	C₁₀H₈BrNO₃
Molecular Weight	270.08 g/mol
Synonyms	6-Bromo-2-methyl-3-nitro-2H-chromene; 3-Nitro-6-bromo-2-methyl-2H-chromene; 2H-1-Benzopyran, 6-bromo-2-methyl-3-nitro-; 6-Bromo-2-methyl-3-nitrocoumarin (common misnomer); 6-Bromo-2-methyl-3-nitro-2H-1-benzopyran; 57543-78-9; 6-Br-2-Me-3-NO2-2H-chromene
EINECS	Contact for details

Quality Control

Our 6-Bromo-2-Methyl-3-Nitro-2H-1-Benzopyran is manufactured under strict quality management protocols. Each batch undergoes comprehensive analytical testing, including HPLC for purity, NMR and IR for structural confirmation, and residual solvent analysis. We provide a detailed Certificate of Analysis (COA) with every shipment to ensure traceability and compliance with your research or production specifications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, 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 glass or opaque.

Specification

Item	Specification
Appearance	Yellow to light brown crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Residual Solvents (GC)	Meets ICH guidelines

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