Description

2H-Pyran-2-Carboxaldehyde, 3,4-Dihydro-5-Methoxy-2-Methyl- (9Ci) is a specialized heterocyclic aldehyde building block with significant synthetic utility. This compound matters as a versatile intermediate for constructing complex molecular architectures, particularly in the synthesis of pharmaceuticals and fine chemicals. It is primarily needed by research and development chemists, process development scientists, and manufacturers in the pharmaceutical, agrochemical, and advanced material sectors.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of active pharmaceutical ingredients (APIs), especially for compounds containing dihydropyran or pyranone motifs.
• Agrochemical Synthesis: Used in the research and production of novel pesticides, herbicides, and plant growth regulators.
• Fine Chemical Production: Serves as a building block for flavors, fragrances, and other high-value specialty chemicals.
• Material Science Research: Employed in the development of organic electronic materials, polymers, and liquid crystals.
• Academic & Contract Research: A valuable reagent for methodological development and novel synthetic route exploration in academic and industrial R&D laboratories.

Basic Information

Product Name	2H-Pyran-2-Carboxaldehyde, 3,4-Dihydro-5-Methoxy-2-Methyl- (9Ci)
CAS No.	277297-48-0
Molecular Formula	C8H12O3
Molecular Weight	156.18 g/mol
Synonyms	3,4-Dihydro-5-methoxy-2-methyl-2H-pyran-2-carboxaldehyde; 5-Methoxy-2-methyl-3,4-dihydro-2H-pyran-2-carboxaldehyde; 2-Methyl-5-methoxy-3,4-dihydro-2H-pyran-2-carbaldehyde; Dihydro-5-methoxy-2-methyl-2H-pyran-2-carboxaldehyde; 277297-48-0; 2H-Pyran-2-carboxaldehyde, 3,4-dihydro-5-methoxy-2-methyl-
EINECS	Contact for details

Quality Control

Our 2H-Pyran-2-Carboxaldehyde, 3,4-Dihydro-5-Methoxy-2-Methyl- (9Ci) is produced under strict quality management protocols. Each batch undergoes rigorous analytical testing, including HPLC, GC, and NMR, to ensure identity, purity, and consistency. Certificates of Analysis (COA) with detailed specifications are provided for every shipment, supporting your quality assurance and regulatory compliance needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at controlled room temperature (15-25°C). This compound is easily oxidized; for long-term storage, consider maintaining under an inert atmosphere such as nitrogen or argon.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Purity (GC)	≥ 95.0%
Water Content (KF)	≤ 0.5%

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