Description

3,4-Dihydro-6,7,8-Trimethoxy-2-Methylisoquinolinium Methyl Sulphate is a high-purity, specialized isoquinolinium salt used as a critical intermediate in advanced organic synthesis. This compound is valued for its role in constructing complex nitrogen-containing heterocycles, which are foundational to numerous active pharmaceutical ingredients (APIs) and fine chemicals. It is essential for research and development chemists and production facilities in the pharmaceutical, agrochemical, and specialty chemical industries seeking reliable, high-quality building blocks.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of various alkaloid-based pharmaceuticals and bioactive molecules.
• Chemical Research & Development: Serves as a versatile building block for constructing complex isoquinoline derivatives in medicinal chemistry and process development.
• Agrochemical Synthesis: Used in the development of novel crop protection agents and pesticides that leverage the isoquinoline scaffold.
• Fine Chemical Production: Employed in the manufacture of specialty chemicals, dyes, and ligands for catalysis.
• Academic Research: A valuable reagent for studying chemical reactions and properties of quaternary ammonium salts and heterocyclic compounds.

Basic Information

Product Name	3,4-Dihydro-6,7,8-Trimethoxy-2-Methylisoquinolinium Methyl Sulphate
CAS No.	93776-98-8
Molecular Formula	C14H21NO5S
Molecular Weight	315.39 g/mol
Synonyms	2-Methyl-6,7,8-trimethoxy-3,4-dihydroisoquinolin-2-ium methyl sulfate; 6,7,8-Trimethoxy-2-methyl-1,2,3,4-tetrahydroisoquinolinium methyl sulfate; 2-Methyl-6,7,8-trimethoxy-1,2,3,4-tetrahydroisoquinolinium methylsulfate; 3,4-Dihydro-6,7,8-trimethoxy-2-methylisoquinolinium methosulfate; 2-Methyl-6,7,8-trimethoxytetrahydroisoquinolinium methyl sulfate; 6,7,8-Trimethoxy-2-methyl-3,4-dihydroisoquinolinium methyl sulphate; 1,2,3,4-Tetrahydro-6,7,8-trimethoxy-2-methylisoquinolinium methyl sulfate
EINECS	Contact for details

Quality Control

Our products undergo rigorous quality testing to ensure compliance with industry standards for high-purity intermediates. Every batch is characterized and controlled using advanced analytical techniques including HPLC, NMR, and mass spectrometry to confirm identity, purity, and consistency. Certificates of Analysis (COA) are available upon request, providing full transparency on specifications and test results.

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 hygroscopic nature, the container must be kept tightly sealed to minimize exposure to atmospheric moisture. Keep away from incompatible materials.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Identification (NMR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Water Content (KF)	≤ 1.0%
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.