Description

3A,4,5,6-Tetrahydro-1H,3H-Naphtho[1,8-Cd]Pyran-1-One is a specialized heterocyclic organic compound with a fused naphthopyranone structure, serving as a critical synthetic intermediate. Its unique molecular architecture makes it a valuable building block for the development of complex molecules in advanced research and manufacturing. This compound is primarily sought by the pharmaceutical, agrochemical, and fine chemical industries for applications in drug discovery, material science, and the synthesis of novel functional materials.

Application

• Pharmaceutical Intermediate: Key precursor in the synthesis of novel active pharmaceutical ingredients (APIs) and drug candidates, particularly for central nervous system (CNS) and anti-inflammatory targets.
• Agrochemical Research: Used in the development of new pesticides, herbicides, and plant growth regulators due to its complex fused-ring system.
• Fine Chemical Synthesis: Serves as a versatile building block for creating complex heterocycles, dyes, and specialty polymers.
• Material Science: Investigated for use in organic electronics, such as the development of organic light-emitting diodes (OLEDs) and semiconductors.
• Academic & R&D: Essential compound for chemical research in universities and corporate R&D labs focusing on organic synthesis methodology and new reaction pathways.

Basic Information

Product Name	3A,4,5,6-Tetrahydro-1H,3H-Naphtho[1,8-Cd]Pyran-1-One
CAS No.	81603-30-7
Molecular Formula	C₁₃H₁₂O₂
Molecular Weight	200.23 g/mol
Synonyms	1H,3H-Naphtho[1,8-cd]pyran-1-one, 3a,4,5,6-tetrahydro-; 3a,4,5,6-Tetrahydro-1H,3H-naphtho[1,8-cd]pyran-1-one; 81603-30-7; 3a,4,5,6-Tetrahydro-1H,3H-benzo[6,7]cyclohepta[1,8-cd]pyran-1-one; Tetrahydro-naphthopyranone; Naphtho[1,8-cd]pyran-1-one, 3a,4,5,6-tetrahydro-1H,3H-
EINECS	Contact for details

Quality Control

Our 3A,4,5,6-Tetrahydro-1H,3H-Naphtho[1,8-Cd]Pyran-1-One is produced under strict quality management protocols. Each batch undergoes rigorous analytical testing to ensure identity, purity, and consistency. We provide comprehensive Certificates of Analysis (COA) with each shipment, detailing key parameters such as assay and impurity profiles. Our quality commitment aligns with cGMP principles for pharmaceutical intermediates, ensuring reliability for your critical synthesis workflows.

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 heat, sparks, and open flame. Due to its light-sensitive nature, containers should be opaque or stored in dark conditions.

Specification

Item	Specification
Appearance	White to off-white powder or crystalline solid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 97.0%
Related Substances (HPLC)	Total impurities ≤ 3.0%
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%

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