

share
3-Hydroxy-4H-Pyran-4-One CAS NO 496-63-9
Unit Price:
CAS No.:496-63-9
Grade:Pharmacy Grade
Content:99.9%
Brand:Customizable
Packaging:Customizable
Description
3-Hydroxy-4H-Pyran-4-One is a versatile organic compound belonging to the pyranone class, serving as a key building block and intermediate in advanced chemical synthesis. Its unique structure makes it valuable for creating complex molecules with specific functional properties. This product is essential for research and development laboratories, pharmaceutical manufacturers, and fine chemical producers seeking high-purity intermediates.
Application
- Pharmaceutical Intermediate: A crucial precursor in the synthesis of various active pharmaceutical ingredients (APIs) and drug candidates.
- Fine Chemical Synthesis: Used as a versatile building block for creating complex organic molecules, including flavors, fragrances, and agrochemicals.
- Research & Development: Employed in academic and industrial R&D for exploring new chemical reactions and developing novel materials.
- Coordination Chemistry: Acts as a ligand or chelating agent in the formation of metal complexes for catalytic or material science applications.
- Chemical Reference Standard: Serves as a high-purity analytical standard for quality control and method development in analytical laboratories.
Basic Information
| Product Name | 3-Hydroxy-4H-Pyran-4-One |
| CAS No. | 496-63-9 |
| Molecular Formula | C5H4O3 |
| Molecular Weight | 112.08 g/mol |
| Synonyms | 4-Pyranone, 3-hydroxy-; 3-Hydroxy-4-pyrone; Maltol; Larixinic acid; Palatone; Veltol; 3-Hydroxy-2-methyl-4-pyrone (common tautomer reference); Corps praline |
| EINECS | 207-837-2 |
Quality Control
Our 3-Hydroxy-4H-Pyran-4-One is manufactured under a strict quality management system. Each batch undergoes comprehensive analytical testing to ensure identity, purity, and consistency. We provide Certificates of Analysis (COA) with detailed results from techniques including HPLC, GC, and NMR. Our quality commitment supports applications requiring high-purity intermediates for pharmaceutical and fine chemical synthesis.
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). Keep away from incompatible materials. For long-term storage under inert atmosphere, please contact us for specific recommendations.
Specification
| Item | Specification |
|---|---|
| Appearance | White to off-white crystalline powder |
| Identification (IR) | Conforms to structure |
| Assay (HPLC) | ≥ 98.0% |
| Melting Point | 160 - 164 °C |
| Loss on Drying | ≤ 0.5% |
| Residue on Ignition | ≤ 0.1% |
| Heavy Metals (as Pb) | ≤ 10 ppm |
Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.
Hot Related Products


Phthalide CAS NO 87-41-2


5-Methyl-3-Methylidene-Oxolan-2-One CAS NO 62873-16-9


1,8-Cineole CAS NO 470-82-6


Menthofuran CAS NO 494-90-6


Ambrettolide CAS NO 28645-51-4


4-Hydroxy-5-Methyl-3-Furanone CAS NO 19322-27-1


2,5-Dimethyl-3(2H)-Furanone CAS NO 14400-67-0


3-Acetyl-2,5-Dimethylfuran CAS NO 10599-70-9


2-Ethylfuran CAS NO 3208-16-0


δ-Nonalactone CAS NO 3301-94-8


6-(3-Pentenyl)-Tetrahydro-2H-Pyran-2-One CAS NO 32764-98-0


Whiskey Lactone CAS NO 39212-23-2


5-Methylenefuran-2(5H)-One CAS NO 108-28-1


Dihydrocoumarin CAS NO 119-84-6


Dihydro-5-Methyl-5-Vinylfuran-2(3H)-One CAS NO 1073-11-6


1,3-Dioxane, 5-(1-Methylethenyl)- CAS NO 1122-57-2


2-Oxo-Delta(3)-4,5,5-Trimethylcyclopentenylacetic Acid CAS NO 1130-49-0


2(5H)-Furanone, 4-(1-Hydroxy-1-Methylethyl)-5,5-Dimethyl- CAS NO 1197-79-1


6-Methyl-5,6-Dihydro-2H-Pyran-2-One CAS NO 108-54-3


5-(3,3-Dimethyloxiranyl)-3-Methyl-1-Pentanol CAS NO 1564-98-3
Why choose US
Trusted Manufacturer
With our own production facilities, we ensure consistent quality, reliable supply, and full traceability.
Rigorous Quality Assurance
Each batch undergoes strict QC, accompanied by COA, MSDS, and full compliance with international standards.
Advanced R&D Expertise
Our in-house lab drives process innovation, new product development, and tailored synthesis solutions.






