Description

4H-Pyran-3-Carboxylicacid,6-Methyl-4-Oxo-(9Ci) CAS NO 158205-36-8 is a specialized heterocyclic carboxylic acid derivative, serving as a high-value synthetic intermediate in advanced organic chemistry. Its core value lies in its unique pyranone scaffold, which is a critical structural motif for constructing complex molecules with targeted biological or material properties. This compound is essential for researchers and manufacturers in the pharmaceutical and agrochemical sectors, where it is used to develop new active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: Key building block in the synthesis of novel drug candidates, particularly those targeting enzymes or receptors where the pyranone core is pharmacologically active.
• Agrochemical Synthesis: Used in the research and development of new herbicides, fungicides, and plant growth regulators that require specific heterocyclic frameworks.
• Material Science Research: Acts as a precursor for organic electronic materials, ligands for catalysis, or monomers for specialized polymers.
• Chemical Research & Development: A versatile synthon in academic and industrial R&D for exploring new chemical reactions and creating libraries of compounds for screening.
• Fine Chemical Production: Employed in the multi-step synthesis of complex fine chemicals and specialty additives where precise molecular architecture is required.

Basic Information

Product Name	4H-Pyran-3-Carboxylicacid,6-Methyl-4-Oxo-(9Ci)
CAS No.	158205-36-8
Molecular Formula	C7H6O4
Molecular Weight	154.12 g/mol
Synonyms	6-Methyl-4-oxo-4H-pyran-3-carboxylic acid; 3-Carboxy-6-methyl-4-pyrone; 6-Methyl-4-oxopyran-3-carboxylic acid; 4-Oxo-6-methyl-4H-pyran-3-carboxylic acid; 6-Methyl-4-oxo-4H-pyran-3-carboxylic acid (9CI); 3-Pyrancarboxylic acid, 6-methyl-4-oxo-; 158205-36-8; 6-Methyl-4-oxo-4H-pyran-3-carboxylic acid
EINECS	Contact for details

Quality Control

Our 4H-Pyran-3-Carboxylicacid,6-Methyl-4-Oxo-(9Ci) is produced under strict quality management systems. Each batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation via IR and NMR spectroscopy, to ensure it meets the high standards required for research and synthesis. A Certificate of Analysis (COA) detailing all specifications is provided with every shipment to guarantee traceability and consistency.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at controlled room temperature (15-25°C). Keep the container tightly sealed to protect this light-sensitive material from moisture and atmospheric contamination.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Melting Point	Contact for details
Loss on Drying	≤ 1.0%
Residue on Ignition	≤ 0.1%

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