Description

3-Isoquinolinecarboxylicacid,4-Hydroxy-1-Methyl-,Methylester(9Ci) is a specialized heterocyclic building block of significant interest in advanced organic synthesis. This compound matters as a key intermediate for constructing complex molecular architectures, particularly in the development of active pharmaceutical ingredients (APIs) and functional materials. It is primarily needed by research chemists and process development scientists in the pharmaceutical, agrochemical, and fine chemical industries seeking to introduce the isoquinoline pharmacophore into novel compounds.

Application

• Pharmaceutical Intermediate: A crucial precursor in the synthesis of novel drug candidates targeting various therapeutic areas, including central nervous system (CNS) disorders and oncology.
• Agrochemical Research: Serves as a building block for developing new pesticides and herbicides with specific modes of action.
• Ligand Synthesis: Used in the preparation of specialized ligands for catalysis and metal-organic frameworks (MOFs).
• Fluorescent Probe Development: The isoquinoline core can be utilized to create fluorescent markers for biological imaging and diagnostic applications.
• Academic & R&D: Employed in university and institutional research for methodological studies and exploring new chemical reactions.
• Fine Chemical Production: Acts as an intermediate in the multi-step synthesis of complex, high-value specialty chemicals.

Basic Information

Product Name	3-Isoquinolinecarboxylicacid,4-Hydroxy-1-Methyl-,Methylester(9Ci)
CAS No.	808118-20-9
Molecular Formula	C12H11NO3
Molecular Weight	217.22 g/mol
Synonyms	4-Hydroxy-1-methylisoquinoline-3-carboxylic acid methyl ester; Methyl 4-hydroxy-1-methyl-3-isoquinolinecarboxylate; 1-Methyl-4-hydroxyisoquinoline-3-carboxylic acid methyl ester; 3-Carbomethoxy-1-methyl-4-hydroxyisoquinoline; 808118-20-9; 4-Hydroxy-1-methyl-3-isoquinolinecarboxylic acid methyl ester
EINECS	Contact for details

Quality Control

Our 3-Isoquinolinecarboxylicacid,4-Hydroxy-1-Methyl-,Methylester(9Ci) is produced under strict quality management protocols to ensure batch-to-batch consistency and high purity. We employ advanced analytical techniques, including HPLC, NMR, and MS, for comprehensive characterization and impurity profiling. A Certificate of Analysis (COA) detailing identity, purity, and related substances is provided with each shipment to support your quality assurance and regulatory requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at a controlled room temperature (typically 15-25°C). Keep away from incompatible materials such as strong oxidizing agents. For long-term storage, consider an inert atmosphere to maintain product integrity.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Conforms to reference
Purity (HPLC)	≥ 97.0%
Loss on Drying	≤ 0.5%
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.