Description

5-Chloro-8-Hydroxy-3-Methyl-1-Oxoisochroman-7-Carboxylic Acid is a specialized isochroman derivative with a distinct chlorinated and hydroxylated structure, serving as a critical advanced intermediate in modern organic synthesis. Its value lies in its multifunctional molecular framework, which provides versatile reactivity for constructing complex heterocyclic systems. This high-purity compound is essential for research and development chemists in the pharmaceutical and agrochemical industries, particularly for the synthesis of novel active ingredients and fine chemicals.

Application

• Pharmaceutical Intermediate: A key building block for the synthesis of novel drug candidates, particularly those targeting central nervous system (CNS) disorders or possessing anti-inflammatory properties.
• Agrochemical Synthesis: Used in the research and development of new herbicides, fungicides, or plant growth regulators, leveraging its halogenated isochroman core.
• Organic Synthesis Reagent: Serves as a versatile precursor for constructing complex heterocyclic compounds and fused ring systems in academic and industrial research.
• Fine Chemical Production: Employed in the manufacture of specialty chemicals, dyes, and pigments where its specific substitution pattern is required.
• Material Science Research: Investigated as a monomer or functional additive for developing novel polymers with specific optical or thermal properties.

Basic Information

Product Name	5-Chloro-8-Hydroxy-3-Methyl-1-Oxoisochroman-7-Carboxylic Acid
CAS No.	19165-63-0
Molecular Formula	C11H9ClO5
Molecular Weight	256.64 g/mol
Synonyms	5-Chloro-8-hydroxy-3-methyl-1-oxo-1H-isochromene-7-carboxylic acid; 7-Carboxy-5-chloro-8-hydroxy-3-methylisochroman-1-one; 5-Chloro-8-hydroxy-3-methyl-1-oxo-3,4-dihydro-1H-isochromene-7-carboxylic acid; 1H-Isochromene-7-carboxylic acid, 5-chloro-3,4-dihydro-8-hydroxy-3-methyl-1-oxo-; 19165-63-0; 5-Chloro-8-hydroxy-3-methylisochroman-1-one-7-carboxylic acid
EINECS	Contact for details

Quality Control

Our 5-Chloro-8-Hydroxy-3-Methyl-1-Oxoisochroman-7-Carboxylic Acid is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation via IR and NMR spectroscopy, to ensure it meets the high standards required for research and industrial synthesis. Certificates of Analysis (COA) detailing all specifications are available upon request.

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). Keep away from incompatible materials such as strong bases and oxidizing agents. The compound may be light-sensitive; store away from direct light exposure.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 10 ppm

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