Description

3-Amino-4-Hydroxy-5-Methyl-Benzoic Acid Methyl Ester is a high-purity, multi-functional benzoic acid derivative that serves as a critical building block in advanced organic synthesis. Its unique structure, featuring amino, hydroxy, and ester functional groups on a methyl-substituted aromatic ring, makes it a versatile intermediate for creating complex molecules. This compound is essential for research and development chemists and process engineers in the pharmaceutical and fine chemical industries seeking to develop new active ingredients and specialty materials.

Application

• Pharmaceutical Intermediate: Key precursor in the synthesis of novel drug candidates, particularly in therapeutic areas requiring complex heterocyclic or substituted aromatic scaffolds.
• Agrochemical Synthesis: Used in the development of advanced herbicides, fungicides, and plant growth regulators where its functional groups allow for targeted modifications.
• Dye and Pigment Manufacturing: Serves as a core structure for synthesizing specialized azo dyes and high-performance pigments due to its reactive sites for chromophore attachment.
• Material Science Research: Employed in the creation of organic semiconductors, liquid crystals, and metal-organic frameworks (MOFs) where precise molecular architecture is required.
• Chemical Biology Probes: Utilized as a starting material for synthesizing fluorescent tags, enzyme inhibitors, and other molecular probes for diagnostic and research applications.

Basic Information

Product Name	3-Amino-4-Hydroxy-5-Methyl-Benzoic Acid Methyl Ester
CAS No.	861315-62-0
Molecular Formula	C9H11NO3
Molecular Weight	181.19 g/mol
Synonyms	Methyl 3-Amino-4-hydroxy-5-methylbenzoate; Benzoic acid, 3-amino-4-hydroxy-5-methyl-, methyl ester; 3-Amino-4-hydroxy-5-methyl-methylbenzoate; Methyl 3-amino-4-hydroxy-5-methylbenzoate; 5-Methyl-3-amino-4-hydroxybenzoic acid methyl ester; Methyl 5-methyl-3-amino-4-hydroxybenzoate
EINECS	Contact for details

Quality Control

Our production of 3-Amino-4-Hydroxy-5-Methyl-Benzoic Acid Methyl Ester adheres to stringent quality protocols to ensure batch-to-batch consistency and reliability for your critical processes. Each lot is characterized and tested against comprehensive specifications, including identity, purity, and impurity profile. Certificates of Analysis (COA) documenting all test results are provided with every shipment. Our quality management system is designed to support cGMP and ISO standards for pharmaceutical and fine chemical intermediates.

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 material is hygroscopic (moisture-sensitive); keep the container tightly sealed in a dry environment to prevent degradation. Keep away from incompatible materials such as strong oxidizing agents.

Specification

Item	Specification
Appearance	Off-white to light yellow crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Loss on Drying	≤ 1.0%
Residue on Ignition	≤ 0.1%
Heavy Metals (as Pb)	≤ 20 ppm
Related Substances (HPLC)	Individual impurity ≤ 0.5%; Total impurities ≤ 1.5%

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