Description

2H-Pyran, 3,6-Dihydro-4-Phenyl- is a specialized heterocyclic organic compound with the CAS registry number 3174-81-0, serving as a valuable synthetic intermediate in advanced chemical manufacturing. Its core value lies in its unique dihydropyran scaffold, which is a versatile building block for constructing complex molecular architectures in pharmaceutical and fine chemical synthesis. This product is essential for R&D chemists and process development scientists in the pharmaceutical, agrochemical, and material science industries seeking to develop new active ingredients or functional materials.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of novel drug candidates, particularly those containing oxygen heterocycles.
• Agrochemical Synthesis: Used in the research and development of new pesticides and herbicides, leveraging its reactive dihydropyran ring.
• Fine Chemical Production: Serves as a building block for creating complex flavors, fragrances, and specialty chemicals.
• Material Science Research: Investigated as a monomer or precursor for developing advanced polymers with specific optical or electronic properties.
• Academic & Industrial R&D: A crucial reagent for methodological studies in organic synthesis, including cycloaddition and functionalization reactions.

Basic Information

Product Name	2H-Pyran, 3,6-Dihydro-4-Phenyl-
CAS No.	3174-81-0
Molecular Formula	C11H12O
Molecular Weight	160.21 g/mol
Synonyms	4-Phenyl-3,6-dihydro-2H-pyran; 3,6-Dihydro-4-phenyl-2H-pyran; 4-Phenyl-2H-3,6-dihydropyran; 4-Phenyl-3,6-dihydro-2H-pyran; 4-Phenyl-3,6-dihydro-2H-pyran, 4-Phenyl-3,6-dihydro-2H-pyran; 4-Phenyl-3,6-dihydro-2H-pyran (9CI)
EINECS	221-654-4

Quality Control

Our 2H-Pyran, 3,6-Dihydro-4-Phenyl- is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including chromatographic purity assays and structural confirmation, to ensure it meets the high standards required for research and industrial synthesis. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with every shipment to guarantee traceability and consistency for your critical applications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). Due to its highly volatile nature, ensure containers are securely sealed when not in use and stored away from heat sources and open flame.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (GC/HPLC)	≥ 97.0%
Water Content (KF)	≤ 0.5%

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