Description

3-Bromo-5-Methoxy-4-Propoxy-Benzaldehyde is a high-purity, multi-functional aromatic aldehyde building block of significant interest in advanced organic synthesis. Its unique substitution pattern, featuring bromo, methoxy, and propoxy groups, makes it a versatile precursor for constructing complex molecular architectures. This compound is primarily sought after by research institutions and industrial R&D departments in the pharmaceutical, agrochemical, and specialty chemical sectors for developing new active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: A key synthon for the development of novel drug candidates, particularly in medicinal chemistry programs targeting CNS disorders, inflammation, and oncology.
• Agrochemical Synthesis: Used in the research and production of advanced herbicides, fungicides, and plant growth regulators, leveraging its halogen and ether functionalities.
• Liquid Crystal & OLED Material Precursor: Serves as a building block for synthesizing complex organic molecules used in electronic displays and optoelectronic devices.
• Organic Ligand Synthesis: Employed in the preparation of specialized ligands for catalysis and metal-organic frameworks (MOFs).
• Dye & Pigment Intermediate: Utilized in the synthesis of specialized dyes and high-performance pigments due to its aldehyde group and aromatic structure.
• Academic & Contract Research: A valuable reagent for methodological development and exploratory synthesis in university and CRO laboratories.

Basic Information

Product Name	3-Bromo-5-Methoxy-4-Propoxy-Benzaldehyde
CAS No.	91335-52-3
Molecular Formula	C11H13BrO3
Molecular Weight	273.12 g/mol
Synonyms	4-Propoxy-3-bromo-5-methoxybenzaldehyde; 3-Bromo-5-methoxy-4-propoxybenzaldehyde; Benzaldehyde, 3-bromo-5-methoxy-4-propoxy-; 5-Methoxy-4-propoxy-3-bromobenzaldehyde; 91335-52-3; 3-Br-5-MeO-4-PrO-Benzaldehyde
EINECS	Contact for details

Quality Control

Our 3-Bromo-5-Methoxy-4-Propoxy-Benzaldehyde is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including HPLC, GC, NMR, and IR spectroscopy, to ensure identity, purity, and consistency. We provide a detailed Certificate of Analysis (COA) with every shipment, confirming compliance with customer specifications. Our commitment to cGMP principles and stringent in-process controls guarantees a reliable supply of high-quality material for critical R&D and scale-up processes.

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 compound is easily oxidized and should be handled under an inert atmosphere (e.g., nitrogen or argon) for long-term storage or after opening to maintain purity. Keep away from heat, sparks, and open flame.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Conforms to reference
Assay (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 20 ppm

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