Description

(+)-3,4-Dihydro-3-Methylisoquinoline CAS NO 15547-41-8 is a chiral, nitrogen-containing heterocyclic compound that serves as a versatile and critical building block in advanced organic synthesis. Its value lies in its specific stereochemistry and structural framework, which are essential for constructing complex molecules with defined biological activity. This high-purity intermediate is primarily needed by research institutions and pharmaceutical companies engaged in the development of active pharmaceutical ingredients (APIs), agrochemicals, and specialty fine chemicals.

Application

• Pharmaceutical Intermediate: A key chiral synthon for the synthesis of isoquinoline-based alkaloids and potential therapeutic agents.
• Asymmetric Catalysis Research: Used as a ligand precursor or a model substrate in the development of novel catalytic systems.
• Agrochemical Synthesis: Employed in the research and production of advanced crop protection agents with specific stereochemical requirements.
• Organic Light-Emitting Diode (OLED) Materials: Acts as a precursor for electron-transport or host materials in electronic applications.
• Academic & R&D Laboratories: Serves as a standard or starting material for methodological studies in organic and medicinal chemistry.

Basic Information

Product Name	(+)-3,4-Dihydro-3-Methylisoquinoline
CAS No.	15547-41-8
Molecular Formula	C₁₀H₁₁N
Molecular Weight	145.20 g/mol
Synonyms	(+)-3-Methyl-1,2,3,4-tetrahydroisoquinoline; (3R)-3-Methyl-3,4-dihydroisoquinoline; (R)-3-Methyl-1,2,3,4-tetrahydroisoquinoline; (R)-3-Methyl-3,4-dihydroisoquinoline; DHIQ; (R)-3-Methyl-DHIQ; Tetrahydroisoquinoline derivative
EINECS	Contact for details

Quality Control

Our (+)-3,4-Dihydro-3-Methylisoquinoline is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including chiral purity analysis by HPLC, to ensure it meets the high standards required for research and development applications. A Certificate of Analysis (COA) detailing identity, purity, and chiral excess is provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store under an inert atmosphere (e.g., nitrogen or argon) at controlled room temperature (15-25°C) in a cool, dry, and well-ventilated place. Due to its sensitivity to light and oxidation, prolonged exposure to air or light should be avoided.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Chiral Purity (Chiral HPLC)	≥ 98.0% ee
Water Content (KF)	≤ 0.5%

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