Description

2H-Pyran-3-Carboxylic Acid, 4-Hydroxy-6-Methyl-2-Oxo-, Cyclobutyl Ester (9Ci) is a specialized organic compound belonging to the pyranone class, serving as a valuable synthetic intermediate. This compound matters for its role in constructing complex molecular architectures, particularly in the development of novel active pharmaceutical ingredients (APIs) and advanced materials. It is primarily needed by research chemists and process development scientists in the pharmaceutical, agrochemical, and fine chemical industries for targeted synthesis and lead optimization.

Application

• Pharmaceutical Intermediate: A key building block in the synthesis of novel drug candidates, particularly those with heterocyclic core structures.
• Agrochemical Research: Used in the development of new pesticides and herbicides, leveraging its pyranone scaffold for bioactivity.
• Fine Chemical Synthesis: Serves as a versatile precursor for creating complex esters and lactone derivatives in custom synthesis projects.
• Material Science: Potential monomer or additive in the research of specialized polymers with specific optical or thermal properties.
• Academic & R&D: Employed in organic chemistry research for methodology development and studying reaction mechanisms involving ester and lactone functionalities.

Basic Information

Item	Detail
Product Name	2H-Pyran-3-Carboxylic Acid, 4-Hydroxy-6-Methyl-2-Oxo-, Cyclobutyl Ester (9Ci)
CAS No.	627094-09-1
Molecular Formula	C11H14O5
Molecular Weight	226.23 g/mol
Synonyms	4-Hydroxy-6-methyl-2-oxo-2H-pyran-3-carboxylic acid cyclobutyl ester; Cyclobutyl 4-hydroxy-6-methyl-2-oxo-2H-pyran-3-carboxylate; 4-Hydroxy-6-methyl-2-oxopyran-3-carboxylic Acid Cyclobutyl Ester; 2-Oxo-4-hydroxy-6-methyl-2H-pyran-3-carboxylic acid cyclobutyl ester; 627094-09-1; 9CI compound 627094-09-1
EINECS	Contact for details

Quality Control

Our 2H-Pyran-3-Carboxylic Acid, 4-Hydroxy-6-Methyl-2-Oxo-, Cyclobutyl Ester (9Ci) is produced under strict quality management systems. Each batch undergoes rigorous analytical testing to ensure identity, purity, and consistency. Certificates of Analysis (COA) detailing specifications such as assay (HPLC), related substances, and physical characteristics are provided and available upon request to support your quality assurance protocols.

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). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept tightly sealed after opening to prevent degradation from atmospheric moisture.

Specification

Item	Specification
Appearance	White to off-white powder or crystalline solid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 97.0%
Related Substances (HPLC)	Total impurities ≤ 3.0%
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.