Description

(2S)-3β,4β-Dihydroxy-3,4-Dihydro-2β-Methyl-2H-Naphtho[2,3-B]Pyran-5,10-Dione Diacetate is a high-purity, synthetically derived naphthopyran derivative with significant potential as a key intermediate in advanced organic synthesis. This compound matters for its precise stereochemistry and functional group arrangement, which are critical for developing complex molecules with targeted biological or material properties. It is primarily needed by research institutions and industrial R&D departments in the pharmaceutical, agrochemical, and specialty chemical sectors for use in process development and the synthesis of novel active compounds.

Application

• Pharmaceutical Intermediate: Serves as a crucial building block in the synthesis of novel drug candidates, particularly those targeting specific enzymatic pathways.
• Agrochemical Research: Used in the development of new active ingredients for crop protection products, leveraging its complex fused-ring structure.
• Organic Synthesis Reference Standard: Acts as a high-purity standard for analytical method development and validation in QC laboratories.
• Material Science Precursor: Investigated for the synthesis of specialized organic compounds with potential applications in advanced materials.
• Academic & Contract Research: Employed in university and CRO settings for fundamental chemical research and custom synthesis projects.

Basic Information

Product Name	(2S)-3β,4β-Dihydroxy-3,4-Dihydro-2β-Methyl-2H-Naphtho[2,3-B]Pyran-5,10-Dione Diacetate
CAS No.	75420-30-3
Molecular Formula	C20H18O8
Molecular Weight	386.35 g/mol
Synonyms	(2S)-3β,4β-Dihydroxy-3,4-dihydro-2β-methyl-2H-naphtho[2,3-b]pyran-5,10-dione diacetate; 2H-Naphtho[2,3-b]pyran-5,10-dione, 3,4-dihydro-3,4-dihydroxy-2-methyl-, diacetate, (2S,3S,4S)-; (2S,3S,4S)-3,4-Diacetoxy-3,4-dihydro-2-methyl-2H-naphtho[2,3-b]pyran-5,10-dione; NSC 339586; A derivative of β-Lapachone; Naphthopyran diacetate derivative
EINECS	Contact for details

Quality Control

Our (2S)-3β,4β-Dihydroxy-3,4-Dihydro-2β-Methyl-2H-Naphtho[2,3-B]Pyran-5,10-Dione Diacetate is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC for purity and chiral purity assessment, to ensure it meets the high standards required for research and development applications. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with every shipment to guarantee traceability and consistency.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at a controlled room temperature (typically 15-25°C). The compound is light-sensitive; prolonged exposure to light should be avoided to maintain stability.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Chiral Purity	≥ 98.0% ee
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Single Unknown Impurity (HPLC)	≤ 1.0%
Total Impurities (HPLC)	≤ 3.0%

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