Description

6-Chloro-4-Hydroxychroman-2-Carboxylic Acid Lactone is a specialized organic intermediate featuring a fused chroman-lactone structure. This compound matters as a key building block for synthesizing more complex molecules in advanced pharmaceutical and agrochemical research. It is primarily needed by R&D chemists and process development scientists working on novel active ingredients, particularly in the areas of medicinal chemistry and crop protection.

Application

• Pharmaceutical Intermediate: Serves as a crucial precursor in the synthesis of potential drug candidates, especially those targeting central nervous system or cardiovascular diseases.
• Agrochemical Research: Used in the development of new herbicides, fungicides, or plant growth regulators due to its bioactive chroman scaffold.
• Fine Chemical Synthesis: Acts as a versatile chiral building block for constructing complex natural products or other high-value specialty chemicals.
• Academic & Institutional R&D: Employed in university and government laboratories for methodological studies in organic synthesis and heterocyclic chemistry.
• Material Science Precursor: Potential use in the development of advanced organic materials, such as ligands for catalysts or components for functional polymers.

Basic Information

Product Name	6-Chloro-4-Hydroxychroman-2-Carboxylic Acid Lactone
CAS No.	77155-94-3
Molecular Formula	C10H7ClO4
Molecular Weight	226.61 g/mol
Synonyms	6-Chloro-4-hydroxy-2H-chromene-2-carboxylic acid lactone; 6-Chloro-4-hydroxycoumarin-2-carboxylic acid γ-lactone; 6-Chloro-4-hydroxy-3,4-dihydro-2H-chromene-2-one; 6-Chloro-4-hydroxychroman-2-one; 2H-1-Benzopyran-2-one, 6-chloro-3,4-dihydro-4-hydroxy-; 6-Chloro-4-hydroxy-3,4-dihydro-2H-1-benzopyran-2-one
EINECS	Contact for details

Quality Control

Our 6-Chloro-4-Hydroxychroman-2-Carboxylic Acid Lactone is produced under strict quality management protocols. Each batch undergoes rigorous analytical testing to ensure identity, purity, and consistency. A comprehensive Certificate of Analysis (COA) detailing specifications and results is provided with every shipment to guarantee compliance with your research and development requirements.

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 strong bases and incompatible organic solvents. The container must be kept tightly sealed to protect the contents from moisture.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 20 ppm
Related Substances (HPLC)	Total impurities ≤ 2.0%

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