Description

2H-Pyran-2-Carboxylicacid,3,4-Dihydro-4-Methyl-,Methylester(9Ci) is a specialized heterocyclic ester compound, identified by CAS NO 344326-05-2, valued for its role as a versatile synthetic intermediate in advanced organic chemistry. This compound is critical for researchers and process chemists developing novel active pharmaceutical ingredients (APIs) and fine chemicals. Its unique pyran ring structure makes it a key building block for applications in pharmaceutical R&D, agrochemical synthesis, and materials science.

Application

This high-purity intermediate is engineered for precision synthesis in demanding industrial and research environments.

• Pharmaceutical Intermediate: A key building block in the synthesis of novel drug candidates and active pharmaceutical ingredients (APIs).
• Agrochemical Synthesis: Used in the research and development of advanced herbicides, fungicides, and plant growth regulators.
• Fine Chemical Production: Serves as a precursor for creating complex molecules used in flavors, fragrances, and specialty materials.
• Organic Synthesis & Research: A valuable reagent for academic and industrial research in heterocyclic and medicinal chemistry.
• Material Science: Potential use in the development of advanced polymers and functional organic materials.

Basic Information

Product Name	2H-Pyran-2-Carboxylicacid,3,4-Dihydro-4-Methyl-,Methylester(9Ci)
CAS No.	344326-05-2
Molecular Formula	C8H12O3
Molecular Weight	156.18 g/mol
Synonyms	4-Methyl-3,4-dihydro-2H-pyran-2-carboxylic acid methyl ester; Methyl 4-methyl-3,4-dihydro-2H-pyran-2-carboxylate; 3,4-Dihydro-4-methyl-2H-pyran-2-carboxylic acid methyl ester; 2H-Pyran-2-carboxylic acid, 3,4-dihydro-4-methyl-, methyl ester; 344326-05-2; Methyl 4-methyl-5,6-dihydro-2H-pyran-2-carboxylate
EINECS	Contact for details

Quality Control

Our production of 2H-Pyran-2-Carboxylicacid,3,4-Dihydro-4-Methyl-,Methylester(9Ci) adheres to stringent quality management protocols. Every batch undergoes comprehensive analytical testing, including HPLC, GC, and NMR, to ensure identity, purity, and consistency. Certificates of Analysis (COA) are provided with each shipment, detailing all specifications and test results. We support cGMP compliance for pharmaceutical applications and can tailor purity grades to meet specific project requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (typically 15-25°C). Keep away from heat, sparks, and open flame. For long-term storage under inert atmosphere, please contact our technical team for specific recommendations.

Specification

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