Description

1,3-Dichloro-5-Methylisoquinoline is a high-purity, halogenated isoquinoline derivative serving as a critical building block in advanced organic synthesis. Its value lies in its versatile reactivity, enabling the construction of complex heterocyclic scaffolds essential for pharmaceutical and agrochemical research. This compound is primarily needed by R&D chemists and process development scientists in the pharmaceutical, agrochemical, and specialty chemical industries for developing new active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: Key precursor in the synthesis of potential drug candidates, particularly those targeting neurological disorders and infectious diseases.
• Agrochemical Synthesis: Used in the research and development of novel herbicides, fungicides, and insecticides, leveraging its heterocyclic core.
• Ligand and Catalyst Development: Serves as a starting material for creating specialized ligands used in catalytic processes and metal-organic frameworks (MOFs).
• Material Science Research: Building block for organic electronic materials, such as charge-transport layers or light-emitting components.
• Chemical Biology Probes: Utilized in the design and synthesis of molecular probes for studying enzyme function and cellular pathways.
• Custom Synthesis and Contract Manufacturing: Supplied to CDMOs (Contract Development and Manufacturing Organizations) for client-specific synthetic projects.

Basic Information

Product Name	1,3-Dichloro-5-Methylisoquinoline
CAS No.	21902-40-9
Molecular Formula	C10H7Cl2N
Molecular Weight	212.08 g/mol
Synonyms	5-Methyl-1,3-dichloroisoquinoline; 1,3-Dichloro-5-methyl-isoquinoline; Isoquinoline, 1,3-dichloro-5-methyl-; 1,3-Dichloro-5-methylisoquinoline; 21902-40-9; 5-Methylisoquinoline-1,3-dichloride
EINECS	Contact for details

Quality Control

Our 1,3-Dichloro-5-Methylisoquinoline is manufactured under strict quality management systems. Every batch undergoes comprehensive analytical testing, including HPLC, GC, NMR, and mass spectrometry, to ensure identity, purity, and consistency. We provide a detailed Certificate of Analysis (COA) with each shipment, confirming compliance with agreed specifications. Our quality commitment supports applications in GMP and ISO-regulated environments.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at a controlled room temperature (15-25°C). Keep away from strong bases and reducing agents. For long-term storage, consider an inert atmosphere to maintain optimal purity.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Conforms to reference
Purity (HPLC)	≥ 98.0%
Water Content (KF)	≤ 0.5%
Residue on Ignition	≤ 0.1%

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