Description

2-((4-Amino-5-Methoxy-2-Methylphenyl)Sulfonyl)Ethyl Hydrogen Sulfate is a specialized organic intermediate of significant importance in advanced chemical synthesis. This compound matters for its role as a key building block in the production of high-value, complex molecules, particularly in the pharmaceutical and fine chemical sectors. It is primarily needed by R&D laboratories and manufacturing units engaged in developing active pharmaceutical ingredients (APIs), dyes, and functional materials where precise sulfonation and derivatization are required.

Application

• Pharmaceutical Intermediate: A critical precursor in the synthesis of novel drug candidates and active pharmaceutical ingredients (APIs), particularly those requiring a sulfonated aniline moiety.
• Dye and Pigment Manufacturing: Serves as a key intermediate for producing specialized azo dyes and pigments, contributing to color fastness and specific hue properties.
• Fine Chemical Synthesis: Used in research and development for creating complex organic molecules with sulfonate ester functionalities for various industrial applications.
• Agrochemical Research: Employed as a building block in the development of new herbicides or plant growth regulators that incorporate sulfonyl and sulfate groups.
• Polymer Modification: Can be utilized to introduce ionic or reactive sites into polymer chains for specialty material applications.
• Bioconjugation Chemistry: Potential use in designing linkers or probes for biochemical research due to its reactive amine and sulfate ester groups.

Basic Information

Product Name	2-((4-Amino-5-Methoxy-2-Methylphenyl)Sulfonyl)Ethyl Hydrogen Sulfate
CAS No.	21635-69-8
Molecular Formula	C10H15NO7S2
Molecular Weight	325.36 g/mol
Synonyms	2-[(4-Amino-5-methoxy-2-methylphenyl)sulfonyl]ethyl hydrogen sulfate; Ethanol, 2-[(4-amino-5-methoxy-2-methylphenyl)sulfonyl]-, hydrogen sulfate (ester); 4-Amino-5-methoxy-2-methylbenzenesulfonylethyl sulfate; 2-(4-Amino-5-methoxy-o-tolylsulfonyl)ethyl sulfate; 21635-69-8; Amino methoxy methylphenyl sulfonylethyl sulfate; Sulfuric acid, mono[2-[(4-amino-5-methoxy-2-methylphenyl)sulfonyl]ethyl] ester
EINECS	Contact for details

Quality Control

Our 2-((4-Amino-5-Methoxy-2-Methylphenyl)Sulfonyl)Ethyl Hydrogen Sulfate is manufactured under a strict quality management system. Each batch undergoes rigorous analytical testing to ensure high purity and consistent performance for your synthetic processes. Certificates of Analysis (COA) detailing purity, identity, and impurity profiles are available upon request to support your quality and regulatory requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (typically 15-25°C). This material is hygroscopic (moisture-sensitive) and should be kept under anhydrous conditions. Keep away from strong oxidizing agents and strong bases.

Specification

Item	Specification
Appearance	White to off-white powder or crystalline solid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 97.0%
Purity (HPLC, Area %)	≥ 98.0%
Water Content (KF)	≤ 1.0%
Residue on Ignition	≤ 0.5%
Heavy Metals (as Pb)	≤ 20 ppm

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