Description

(3S,4S)-3,4-Dihydro-4,8-Dihydroxy-3-Methyl-1H-2-Benzopyran-1-One is a high-purity chiral benzopyranone derivative with significant synthetic utility. This compound serves as a valuable advanced pharmaceutical intermediate and a versatile building block for complex organic synthesis. It is primarily required by research institutions and manufacturers in the pharmaceutical, agrochemical, and fine chemical sectors for developing novel active ingredients and specialty materials.

Application

• Pharmaceutical Intermediate: Key chiral precursor in the synthesis of potential drug candidates, particularly for central nervous system (CNS) and anti-inflammatory targets.
• Asymmetric Synthesis: Utilized as a chiral auxiliary or starting material in stereoselective reactions to construct complex molecular architectures.
• Agrochemical Research: Building block for the development of new herbicides, fungicides, or plant growth regulators with specific stereochemical requirements.
• Fine Chemical Production: Intermediate in the manufacture of specialty chemicals, dyes, and functional materials where the benzopyranone scaffold is desired.
• Academic & R&D: Used in university and corporate research laboratories for methodological studies in organic chemistry and medicinal chemistry programs.
• Reference Standard: Serves as a high-purity analytical standard for quality control and method development in related chemical processes.

Basic Information

Product Name	(3S,4S)-3,4-Dihydro-4,8-Dihydroxy-3-Methyl-1H-2-Benzopyran-1-One
CAS No.	60132-20-9
Molecular Formula	C10H10O4
Molecular Weight	194.18 g/mol
Synonyms	(3S,4S)-4,8-Dihydroxy-3-methyl-3,4-dihydro-1H-isochromen-1-one; (3S,4S)-4,8-Dihydroxy-3-methyl-3,4-dihydroisochromen-1-one; 3,4-Dihydro-4,8-dihydroxy-3-methyl-1H-2-benzopyran-1-one, (3S,4S)-; 4,8-Dihydroxy-3-methyl-3,4-dihydro-1H-2-benzopyran-1-one; (3S-cis)-3,4-Dihydro-4,8-dihydroxy-3-methyl-1H-2-benzopyran-1-one; NSC 339586; L-671,776 (related derivative)
EINECS	Contact for details

Quality Control

Our (3S,4S)-3,4-Dihydro-4,8-Dihydroxy-3-Methyl-1H-2-Benzopyran-1-One is produced under strict quality management systems. Each batch undergoes comprehensive analytical testing, including chiral purity verification by HPLC, to ensure it meets the high standards required for research and synthesis. Certificates of Analysis (COA) detailing identity, purity, and chiral excess are provided with every shipment and are available upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at a controlled room temperature (15-25°C). This compound is easily oxidized; for long-term storage, consider keeping under an inert atmosphere such as nitrogen or argon. Keep away from heat and incompatible materials.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Retention time matches reference standard
Assay (HPLC)	≥ 97.0%
Chiral Purity (Chiral HPLC)	≥ 98.0% de (diastereomeric excess)
Water Content (KF)	≤ 1.0%
Residue on Ignition	≤ 0.1%

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