Description

3,9-Dibromo-5-Methoxy-2,2,8,8-Tetramethyl-2H,8H-Benzo[1,2-B:3,4-B']Dipyran-6-Propanoic Acid is a specialized brominated chroman derivative with a complex fused-ring structure. This compound is valued as a key advanced pharmaceutical intermediate and a versatile building block in organic synthesis, enabling the development of novel chemical entities. It is primarily sought by R&D chemists and process development teams in the pharmaceutical, agrochemical, and fine chemical industries for creating molecules with potential biological activity.

Application

• Pharmaceutical Intermediate: Serves as a critical precursor in the synthesis of complex drug candidates, particularly those targeting central nervous system (CNS) disorders or possessing anti-inflammatory properties.
• Agrochemical Research: Used as a building block for developing new active ingredients in herbicides, fungicides, or plant growth regulators, leveraging its bromine substituents for bioactivity.
• Material Science: Potential monomer or additive for creating specialized polymers, dyes, or photoactive materials due to its chroman core and functional groups.
• Organic Synthesis Reagent: Acts as a versatile scaffold in medicinal chemistry for structure-activity relationship (SAR) studies and library synthesis.
• Chemical Reference Standard: Supplied as a high-purity standard for analytical method development, quality control, and regulatory submissions.

Basic Information

Product Name	3,9-Dibromo-5-Methoxy-2,2,8,8-Tetramethyl-2H,8H-Benzo[1,2-B:3,4-B']Dipyran-6-Propanoic Acid
CAS No.	56336-18-6
Molecular Formula	C20H24Br2O5
Molecular Weight	504.21 g/mol
Synonyms	6-(2-Carboxyethyl)-3,9-dibromo-5-methoxy-2,2,8,8-tetramethyl-2H,8H-benzo[1,2-b:3,4-b']dipyran; 3,9-Dibromo-5-methoxy-2,2,8,8-tetramethyl-2,8-dihydrobenzo[1,2-b:3,4-b']dipyran-6-propanoic acid; Benzo[1,2-b:3,4-b']dipyran-6-propanoic acid, 3,9-dibromo-5-methoxy-2,2,8,8-tetramethyl-2H,8H-; Chroman derivative DBMTBDPA; DBMTBDPA
EINECS	Contact for details

Quality Control

Our production of 3,9-Dibromo-5-Methoxy-2,2,8,8-Tetramethyl-2H,8H-Benzo[1,2-B:3,4-B']Dipyran-6-Propanoic Acid adheres to a strict quality management system. Every batch undergoes rigorous analytical testing, including HPLC, NMR, and MS, to ensure identity, purity, and consistency. Certificates of Analysis (COA) detailing all specifications are provided with each shipment. We support compliance with cGMP and ISO 9001 standards for pharmaceutical and industrial applications.

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). Keep away from strong acids and organic solvents. Due to its light-sensitive nature, handling should be conducted under appropriate light-controlled conditions.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Retention time matches reference standard
Purity (HPLC)	≥ 98.0%
Water Content (KF)	≤ 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.