Description

Indole-6-Sulfonic Acid, 3-Methyl- (8Ci) is a specialized organic sulfonic acid derivative of the indole class, serving as a key synthetic intermediate and building block in advanced chemical synthesis. This compound is valued for its unique molecular structure, which combines the reactivity of a sulfonic acid group with the heterocyclic framework of a substituted indole. It is primarily utilized by research and development chemists and process engineers in the pharmaceutical and agrochemical industries. The material is critical for constructing complex molecules where precise functional group placement is required.

Application

• Pharmaceutical Intermediate: A crucial building block in the synthesis of novel active pharmaceutical ingredients (APIs), particularly for compounds targeting neurological and oncological pathways.
• Agrochemical Research: Used in the development of new herbicides, fungicides, and plant growth regulators that leverage the indole core structure.
• Dye and Pigment Synthesis: Serves as a precursor for creating specialized dyes and functional pigments due to the sulfonic acid group's properties.
• Material Science: Employed in the research of advanced polymers and organic electronic materials where sulfonated indoles can modify conductivity or solubility.
• Biochemical Probe Development: Utilized in life sciences research to create fluorescent probes or enzyme inhibitors for diagnostic and mechanistic studies.
• Custom Synthesis and Contract Manufacturing: Supplied to fine chemical companies for use in bespoke, multi-step synthetic routes for client-specific molecules.

Basic Information

Product Name	Indole-6-Sulfonic Acid, 3-Methyl- (8Ci)
CAS No.	802834-18-0
Molecular Formula	C9H9NO3S
Molecular Weight	211.24 g/mol
Synonyms	3-Methyl-1H-indole-6-sulfonic acid; 3-Methylindole-6-sulfonic Acid; 6-Sulfo-3-methylindole; 1H-Indole-6-sulfonic acid, 3-methyl-; 3-Methyl-6-indolesulfonic acid
EINECS	Contact for details

Quality Control

Our production of Indole-6-Sulfonic Acid, 3-Methyl- (8Ci) adheres to stringent quality management protocols to ensure batch-to-batch consistency and reliability for your critical processes. All materials undergo comprehensive analytical testing, including HPLC for purity verification and NMR for structural confirmation. A Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with each shipment. We support compliance with cGMP guidelines where required for pharmaceutical applications.

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). Due to its nature as a strong acid/organic solvent, keep away from incompatible materials such as strong bases, oxidizing agents, and reactive metals. The container must be kept tightly sealed to protect from moisture absorption.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Water Content (KF)	≤ 2.0%
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.