Description

5-Bromo-2,2-dimethyl-3,4-dihydro-2H-chromene is a high-purity, synthetically valuable chromene derivative. This compound serves as a crucial advanced pharmaceutical intermediate and a versatile building block in organic synthesis, enabling the development of novel chemical entities. It is primarily required by R&D chemists and process development scientists in the pharmaceutical, agrochemical, and fine chemical industries for creating complex molecular architectures.

Application

• Pharmaceutical Intermediate: Key precursor in the synthesis of potential drug candidates, particularly those targeting central nervous system (CNS) disorders or possessing anti-inflammatory properties.
• Agrochemical Synthesis: Building block for developing novel pesticides, herbicides, or fungicides with enhanced efficacy and selectivity.
• Organic Synthesis Reagent: Used in cyclization reactions, cross-coupling reactions (e.g., Suzuki, Buchwald-Hartwig), and as a scaffold for constructing fused heterocyclic systems.
• Material Science Research: Intermediate for synthesizing organic ligands or functional molecules for advanced materials, such as OLEDs or sensors.
• Academic & R&D Laboratories: Serves as a standard or starting material for methodological studies and exploring new chemical transformations in academic and industrial research settings.

Basic Information

Product Name	5-Bromo-2,2-dimethyl-3,4-dihydro-2H-chromene
CAS No.	263903-19-1
Molecular Formula	C11H13BrO
Molecular Weight	241.12 g/mol
Synonyms	5-Bromo-2,2-dimethylchroman; 5-Bromo-2,2-dimethyl-2H-chromene; 5-Bromo-2,2-dimethyl-3,4-dihydro-2H-1-benzopyran; 2H-1-Benzopyran, 5-bromo-3,4-dihydro-2,2-dimethyl-; 5-Bromo-2,2-dimethylchroman-4-one (precursor related); 263903-19-1
EINECS	Contact for details

Quality Control

Our 5-Bromo-2,2-dimethyl-3,4-dihydro-2H-chromene is manufactured under strict quality management systems. Every batch undergoes comprehensive analytical testing, including HPLC, GC, NMR, and mass spectrometry, to ensure identity, purity, and consistency. Certificates of Analysis (COA) detailing all specifications and test results are provided and available upon request to support your quality assurance and regulatory needs.

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 strong oxidizing agents.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
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.