Description

2H-Naphtho[1,2-b]pyran, 3,4-dihydro-2-phenyl- (9CI) is a specialized organic compound belonging to the chromene (benzopyran) class, characterized by its fused naphthalene and pyran ring structure. This compound serves as a valuable advanced pharmaceutical intermediate and a versatile building block in synthetic organic chemistry for the development of complex molecules. It is primarily needed by R&D chemists and process development scientists in the pharmaceutical, agrochemical, and material science industries for creating novel active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: Key building block in the synthesis of potential drug candidates, particularly those targeting central nervous system (CNS) disorders or possessing anti-inflammatory properties.
• Agrochemical Research: Used in the development of novel pesticides and herbicides, leveraging its complex heterocyclic core for bioactivity.
• Organic Light-Emitting Diodes (OLEDs): Acts as a precursor or core structure for electron-transporting or host materials in optoelectronic devices.
• Dye and Pigment Synthesis: Serves as a starting material for creating specialized chromophores and colorants due to its extended conjugated system.
• Material Science: Utilized in the research of advanced polymers and liquid crystals where the rigid, planar structure can impart desired physical properties.
• Academic & Contract Research: Employed in university and CRO laboratories for methodological studies in heterocyclic and fused-ring chemistry.

Basic Information

Product Name	2H-Naphtho[1,2-b]pyran, 3,4-dihydro-2-phenyl- (9CI)
CAS No.	206763-45-3
Molecular Formula	C19H16O
Molecular Weight	260.33 g/mol
Synonyms	2-Phenyl-3,4-dihydro-2H-naphtho[1,2-b]pyran; 3,4-Dihydro-2-phenyl-2H-naphtho[1,2-b]pyran; 2H-Naphtho[1,2-b]pyran, 3,4-dihydro-2-phenyl-; 2-Phenyl-2,3-dihydronaphtho[1,2-b]pyran; Naphtho[1,2-b]pyran, 3,4-dihydro-2-phenyl-2H-; 206763-45-3; 2-Phenyl-3,4-dihydro-2H-benzo[f]chromene
EINECS	Contact for details

Quality Control

Our 2H-Naphtho[1,2-b]pyran, 3,4-dihydro-2-phenyl- (9CI) is produced under a strict quality management system. Every batch undergoes comprehensive analytical testing, including HPLC, GC, NMR, and mass spectrometry, to ensure identity, purity, and consistency. We provide a detailed Certificate of Analysis (COA) with each shipment, documenting all critical quality attributes. Our quality commitment aligns with cGMP principles for pharmaceutical intermediates, ensuring traceability and reliability for your critical R&D and scale-up processes.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at a controlled room temperature (15-25°C). Keep away from heat, sparks, and open flame. For long-term storage, consider an inert atmosphere to maintain optimal stability.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Retention time matches reference standard
Purity (HPLC)	≥ 97.0%
Related Substances (HPLC)	Total impurities ≤ 3.0% Any single impurity ≤ 1.0%
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.