Description

2H-Naphtho[1,2-B]Pyran-2-One, 4-Hydroxy- is a specialized organic compound belonging to the coumarin derivative family, valued for its unique fused-ring structure. This compound serves as a critical advanced intermediate in the synthesis of complex molecules, particularly in the development of fine chemicals and active pharmaceutical ingredients (APIs). It is primarily sought by research institutions, pharmaceutical R&D laboratories, and specialty chemical manufacturers engaged in developing novel therapeutic agents, dyes, or functional materials.

Application

• Pharmaceutical Intermediate: Key building block in the synthesis of novel drug candidates, particularly those with fused heterocyclic structures.
• Organic Synthesis Research: Used as a versatile precursor in academic and industrial research for constructing complex polycyclic frameworks.
• Dye and Pigment Manufacturing: Serves as a core structure for developing specialized fluorescent dyes or colorants due to its chromophoric properties.
• Material Science: Potential intermediate in the creation of organic electronic materials or photoactive compounds.
• Agrochemical Development: Investigated as an intermediate for novel active ingredients in crop protection products.

Basic Information

Product Name	2H-Naphtho[1,2-B]Pyran-2-One, 4-Hydroxy-
CAS No.	5594-97-8
Molecular Formula	C₁₆H₁₀O₃
Molecular Weight	250.25 g/mol
Synonyms	4-Hydroxy-2H-naphtho[1,2-b]pyran-2-one; 4-Hydroxybenzo[g]coumarin; 4-Hydroxy-2H-benzo[g]chromen-2-one; NSC 403697; 4-Hydroxy-2H-naphtho[1,2-b]pyran-2-one; 4-Hydroxy-2H-naphtho[1,2-b]pyran-2-one; 4-Hydroxy-2H-naphtho[1,2-b]pyran-2-one
EINECS	Contact for details

Quality Control

Our production of 2H-Naphtho[1,2-B]Pyran-2-One, 4-Hydroxy- adheres to stringent internal quality protocols to ensure batch-to-batch consistency and high purity. All materials undergo rigorous analytical testing, including HPLC, NMR, and mass spectrometry for identity confirmation and purity assessment. A Certificate of Analysis (COA) detailing specific test results is provided with each shipment to support your quality assurance and regulatory needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (typically 15-25°C). Keep away from strong oxidizing agents and incompatible materials.

Specification

Item	Specification
Appearance	Off-white to light yellow powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Loss on Drying	≤ 1.0%
Residue on Ignition	≤ 0.5%

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