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8,9-Dihydro-5-Hydroxy-11-Methoxy-2-Methylcyclopenta[6,7]Naphtho[1,2-B]Pyran-4,10-Dione CAS NO 58974-56-4
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CAS No.:58974-56-4
Grade:Pharmacy Grade
Content:99.9%
Brand:Customizable
Packaging:Customizable
Description
8,9-Dihydro-5-Hydroxy-11-Methoxy-2-Methylcyclopenta[6,7]Naphtho[1,2-B]Pyran-4,10-Dione is a complex, high-purity organic compound with a unique polycyclic structure. This compound serves as a critical advanced intermediate in the synthesis of specialized fine chemicals and active pharmaceutical ingredients (APIs). It is primarily sought by research institutions, pharmaceutical developers, and specialty chemical manufacturers engaged in cutting-edge organic synthesis and drug discovery programs.
Application
- Pharmaceutical Intermediate: Key building block in the research and development of novel therapeutic agents, particularly those with complex fused-ring systems.
- Organic Synthesis Research: Used as a sophisticated precursor for constructing complex molecular architectures in academic and industrial R&D laboratories.
- Fine Chemical Production: Serves as an intermediate in the manufacture of specialty dyes, pigments, or performance chemicals requiring specific chromophore or structural motifs.
- Biochemical Research: Potential use as a probe or standard in studying biological pathways or enzyme interactions due to its distinct chemical scaffold.
- Material Science: Investigated for incorporation into advanced organic electronic materials or as a ligand in catalytic systems.
Basic Information
| Product Name | 8,9-Dihydro-5-Hydroxy-11-Methoxy-2-Methylcyclopenta[6,7]Naphtho[1,2-B]Pyran-4,10-Dione |
| CAS No. | 58974-56-4 |
| Molecular Formula | C₁₈H₁₄O₆ |
| Molecular Weight | 326.30 g/mol |
| Synonyms | 5-Hydroxy-11-methoxy-2-methyl-8,9-dihydro-4H-cyclopenta[6,7]naphtho[1,2-b]pyran-4,10-dione; 2-Methyl-5,11-dihydroxy-8,9-dihydrocyclopenta[b]naphtho[1,2-d]pyran-4,10-dione (tautomer); NSC 339586; Cyclopenta[6,7]naphtho[1,2-b]pyran-4,10-dione, 8,9-dihydro-5-hydroxy-11-methoxy-2-methyl-; Aflatoxin B2a (related structural analog); 8,9-Dihydro-5-hydroxy-11-methoxy-2-methyl-4H-cyclopenta[6,7]naphtho[1,2-b]pyran-4,10-dione |
| EINECS | Contact for details |
Quality Control
Our production of this advanced intermediate adheres to strict quality management systems. Each batch is characterized and purified to meet exacting customer specifications, with purity typically exceeding 95% (HPLC). Comprehensive analytical testing, including HPLC, NMR, and MS, is performed to ensure identity, purity, and consistency. Certificates of Analysis (COA) detailing all test results are provided with every shipment.
Storage
Preserve in a tightly closed container, protected from light. Store in a cool, dry place at a controlled room temperature (15-25°C). The compound may be light-sensitive; prolonged exposure to light should be avoided. Keep container tightly sealed in a dry environment to minimize moisture uptake.
Specification
| Item | Specification |
|---|---|
| Appearance | Yellow to light brown powder |
| Identification (HPLC) | Retention time corresponds to reference standard |
| Identification (IR) | Spectrum matches reference |
| Purity (HPLC) | ≥ 95.0% |
| Loss on Drying | ≤ 2.0% |
| Residue on Ignition | ≤ 0.5% |
| Heavy Metals | ≤ 20 ppm |
Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.
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Trusted Manufacturer
With our own production facilities, we ensure consistent quality, reliable supply, and full traceability.
Rigorous Quality Assurance
Each batch undergoes strict QC, accompanied by COA, MSDS, and full compliance with international standards.
Advanced R&D Expertise
Our in-house lab drives process innovation, new product development, and tailored synthesis solutions.






