Description

2-Methyl-5,6-Dihydro-4H-Pyran is a versatile heterocyclic organic compound featuring a partially saturated pyran ring. This chemical serves as a valuable intermediate and building block in advanced organic synthesis, prized for its unique structural motif. It is primarily utilized by research institutions and industrial manufacturers in the pharmaceutical, agrochemical, and fragrance sectors for developing novel active ingredients and fine chemicals.

Application

• Pharmaceutical Intermediate: A key synthon in the synthesis of complex drug molecules and active pharmaceutical ingredients (APIs).
• Agrochemical Synthesis: Used in the research and production of novel pesticides, herbicides, and plant growth regulators.
• Flavor & Fragrance Ingredient: Acts as a precursor for creating specific olfactory notes and aroma chemicals.
• Organic Synthesis Building Block: Employed in academic and industrial R&D for constructing complex heterocyclic compounds and natural product analogs.
• Polymer & Material Science: Can be utilized as a monomer or modifier in the development of specialty polymers and advanced materials.

Basic Information

Product Name	2-Methyl-5,6-Dihydro-4H-Pyran
CAS No.	16015-11-5
Molecular Formula	C6H10O
Molecular Weight	98.14 g/mol
Synonyms	2-Methyl-4,5-dihydro-2H-pyran; 2-Methyl-3,4-dihydro-2H-pyran; 2-Methyl-2,3-dihydro-4H-pyran; 2-Methyl-δ³-dihydropyran; 2-Methyl-5,6-dihydro-2H-pyran; 4H-Pyran, 2-methyl-5,6-dihydro-; 2-Methyl-1-oxacyclohex-3-ene
EINECS	240-160-6

Quality Control

Our 2-Methyl-5,6-Dihydro-4H-Pyran is produced under stringent quality management systems. Each batch undergoes comprehensive analytical testing, including GC, HPLC, and NMR, to ensure high purity and consistency. Certificates of Analysis (COA) are provided with every shipment, detailing all relevant specifications. We adhere to cGMP principles where applicable to support our clients in regulated industries.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, well-ventilated area away from heat sources and incompatible materials. Due to its highly volatile nature, ensure containers are kept tightly sealed when not in use to prevent evaporation and maintain product integrity. Recommended storage temperature is 2-8°C for long-term stability.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (GC)	≥ 97.0%
Water Content (KF)	≤ 0.5%
Refractive Index (n20D)	1.440 - 1.450
Density (20°C)	0.910 - 0.930 g/mL

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