Description

(2R)-3β,4β-Dihydroxy-3,4-Dihydro-2α-Methyl-2H-Naphtho[2,3-B]Pyran-5,10-Dione Diacetate is a high-purity, synthetically derived naphthopyran derivative of significant interest in advanced organic synthesis and pharmaceutical research. This compound matters as a sophisticated chemical building block or key intermediate for developing novel active pharmaceutical ingredients (APIs) and fine chemicals. It is primarily needed by R&D chemists and process development scientists in the pharmaceutical, biotechnology, and specialty chemical industries working on complex molecular architectures.

Application

• Pharmaceutical Intermediate: Serves as a critical precursor in the multi-step synthesis of potential therapeutic agents, particularly those with complex polycyclic frameworks.
• Organic Synthesis Building Block: Utilized in research-scale reactions to construct novel naphthopyran-based compounds for material science and chemical biology studies.
• Reference Standard: Employed as a high-purity analytical standard in method development and quality control for pharmaceutical analysis.
• Biochemical Research: Investigated for its potential biological activity or as a probe in studying enzyme interactions and signaling pathways.
• Fine Chemical Production: Acts as an intermediate in the manufacture of specialty dyes, pigments, or advanced organic materials.

Basic Information

Product Name	(2R)-3β,4β-Dihydroxy-3,4-Dihydro-2α-Methyl-2H-Naphtho[2,3-B]Pyran-5,10-Dione Diacetate
CAS No.	75420-29-0
Molecular Formula	C19H18O8
Molecular Weight	374.34 g/mol
Synonyms	(2R)-3β,4β-Diacetoxy-3,4-dihydro-2α-methyl-2H-naphtho[2,3-b]pyran-5,10-dione; 2H-Naphtho[2,3-b]pyran-5,10-dione, 3,4-dihydro-3,4-dihydroxy-2-methyl-, 3,4-diacetate, (2R,3S,4S)-; (2R,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 (2R)-3β,4β-Dihydroxy-3,4-Dihydro-2α-Methyl-2H-Naphtho[2,3-B]Pyran-5,10-Dione Diacetate is produced under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC for purity and spectroscopic identification (NMR, IR, MS), to ensure it meets exacting research and development standards. Comprehensive Certificates of Analysis (COA) detailing identity, purity, and impurity profiles are available upon request to support your regulatory and quality assurance needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (typically 15-25°C). Keep the container tightly sealed when not in use to protect from moisture.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Identification (NMR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
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.