Description

4H,6H,7H-Pyrano[3,4-D][1,2]Oxazole-3-Carboxylic Acid is a high-purity, advanced pharmaceutical intermediate belonging to a class of fused heterocyclic compounds. This compound is of significant commercial interest for its role as a key building block in the synthesis of novel active pharmaceutical ingredients (APIs) and agrochemicals. It is primarily sought by research institutions and manufacturers in the pharmaceutical, agrochemical, and fine chemical sectors for developing new therapeutic and crop protection agents.

Application

• Pharmaceutical Intermediate: A critical precursor in the research and synthesis of novel drug candidates, particularly for central nervous system (CNS) and anti-infective therapies.
• Agrochemical Synthesis: Serves as a key building block for developing new-generation herbicides, fungicides, and insecticides with novel modes of action.
• Organic Synthesis & Research: Used in academic and industrial R&D for constructing complex heterocyclic frameworks and exploring new chemical spaces.
• Material Science Precursor: Potential application in the synthesis of specialty polymers and organic electronic materials due to its unique fused-ring structure.
• Contract Manufacturing (CMO/CDMO): Supplied to contract development and manufacturing organizations for custom synthesis projects and scale-up services.

Basic Information

Product Name	4H,6H,7H-Pyrano[3,4-D][1,2]Oxazole-3-Carboxylic Acid
CAS No.	1297546-74-7
Molecular Formula	C8H7NO4
Molecular Weight	181.15 g/mol
Synonyms	Pyrano[3,4-d][1,2]oxazole-3-carboxylic acid, 4H,6H,7H-; 4H,6H,7H-Pyrano[3,4-d]oxazole-3-carboxylic acid; 1297546-74-7; 4H,6H,7H-Pyrano[3,4-d][1,2]oxazole-3-carboxylic acid; Fused pyrano-oxazole carboxylic acid; 3-Carboxy-4H,6H,7H-pyrano[3,4-d][1,2]oxazole
EINECS	Contact for details

Quality Control

Our 4H,6H,7H-Pyrano[3,4-D][1,2]Oxazole-3-Carboxylic Acid is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation via NMR and IR spectroscopy, to ensure it meets the high standards required for pharmaceutical and agrochemical R&D. Certificates of Analysis (COA) with detailed specifications are provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (15-25°C). Keep away from incompatible materials such as strong oxidizing agents, strong bases, and strong acids. For long-term storage, consider storing under an inert atmosphere to maintain product integrity.

Specification

Item	Specification
Appearance	White to off-white powder
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.