Description

4-Methoxy-3-Isopropylbenzoic Acid is a high-purity aromatic carboxylic acid derivative that serves as a critical building block in advanced organic synthesis. Its unique methoxy and isopropyl substitution pattern makes it a valuable intermediate for creating complex molecules with tailored properties. This compound is primarily sought after by research institutions and manufacturers in the pharmaceutical and agrochemical sectors for developing active ingredients and fine chemicals. We supply this material with a focus on consistent quality and reliable global availability to support your development and production processes.

Application

• Pharmaceutical Intermediate: Key building block for the synthesis of novel active pharmaceutical ingredients (APIs), particularly in therapeutic areas requiring complex aromatic scaffolds.
• Agrochemical Synthesis: Used in the research and production of advanced herbicides, fungicides, and plant growth regulators, where its substituted benzoic acid structure imparts specific biological activity.
• Liquid Crystal & OLED Materials: Serves as a precursor for synthesizing specialized organic compounds used in electronic displays and optoelectronic devices.
• Fine Chemical & Dye Intermediate: Employed in the manufacture of complex dyes, pigments, and other performance chemicals requiring a defined aromatic carboxylic acid backbone.
• Academic & Industrial R&D: A valuable reagent for methodological development in organic chemistry and for creating custom ligand libraries in catalysis research.

Basic Information

Product Name	4-Methoxy-3-Isopropylbenzoic Acid
CAS No.	33537-78-9
Molecular Formula	C11H14O3
Molecular Weight	194.23 g/mol
Synonyms	3-Isopropyl-4-methoxybenzoic Acid; 4-Methoxy-3-(1-methylethyl)benzoic Acid; 3-(1-Methylethyl)-4-methoxybenzoic Acid; 4-Methoxy-m-isopropylbenzoic Acid; Benzoic acid, 4-methoxy-3-(1-methylethyl)-; 3-Isopropyl-p-anisic Acid; 4-Methoxy-3-isopropyl-benzoic acid
EINECS	Contact for details

Quality Control

Our 4-Methoxy-3-Isopropylbenzoic Acid is manufactured under a strict quality management system. Every batch undergoes comprehensive analytical testing to ensure it meets the high-purity standards required for sensitive synthetic applications. We provide full traceability and a detailed Certificate of Analysis (COA) with each shipment, confirming identity, purity, and impurity profiles. Our quality commitment ensures material consistency and reliability for your critical R&D and production workflows.

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). This material is hygroscopic (moisture-sensitive); keep the container tightly sealed when not in use to prevent degradation from atmospheric moisture.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
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.