

share
3,6-Dihydro-6-Methoxy-2H-Pyran-2-Carboxylic Acid Butyl Ester CAS NO 25556-21-2
Unit Price:
CAS No.:25556-21-2
Grade:Pharmacy Grade
Content:99.9%
Brand:Customizable
Packaging:Customizable
Description
3,6-Dihydro-6-Methoxy-2H-Pyran-2-Carboxylic Acid Butyl Ester is a versatile chemical intermediate characterized by its dihydropyran ring structure and ester functionality. This compound matters for its role as a key building block in the synthesis of more complex molecules, particularly in pharmaceutical and fine chemical research. It is needed by R&D chemists and process development scientists in the pharmaceutical, agrochemical, and specialty chemical industries for constructing heterocyclic scaffolds and active ingredients.
Application
- Pharmaceutical Intermediate: A crucial precursor in the synthesis of novel drug candidates, particularly those containing dihydropyran or tetrahydropyran motifs.
- Agrochemical Synthesis: Used in the research and development of advanced pesticides and herbicides where its structure serves as a core component.
- Fine Chemical Production: Serves as a specialized building block for creating complex fragrances, flavors, and functional materials.
- Organic Synthesis Research: Employed in academic and industrial laboratories for methodology development, such as cycloaddition reactions or ester transformations.
- Chemical Intermediate for Polymers: Potential use in the development of specialty monomers for functional polymers and coatings.
Basic Information
| Product Name | 3,6-Dihydro-6-Methoxy-2H-Pyran-2-Carboxylic Acid Butyl Ester |
| CAS No. | 25556-21-2 |
| Molecular Formula | C11H18O4 |
| Molecular Weight | 214.26 g/mol |
| Synonyms | Butyl 3,6-dihydro-6-methoxy-2H-pyran-2-carboxylate; 6-Methoxy-3,6-dihydro-2H-pyran-2-carboxylic acid butyl ester; 2H-Pyran-2-carboxylic acid, 3,6-dihydro-6-methoxy-, butyl ester; Butyl 6-methoxy-3,6-dihydro-2H-pyran-2-carboxylate; 3,6-Dihydro-6-methoxy-2H-pyran-2-carboxylic acid n-butyl ester |
| EINECS | Contact for details |
Quality Control
Our 3,6-Dihydro-6-Methoxy-2H-Pyran-2-Carboxylic Acid Butyl Ester is produced under strict quality management protocols. Each batch undergoes rigorous analytical testing to ensure high purity and consistency, meeting the stringent requirements for research and process chemistry. Certificates of Analysis (COA) detailing purity, identity, and impurity profiles are available upon request to support your quality assurance and regulatory needs.
Storage
Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (typically 15-25°C). Keep away from strong oxidizing agents and bases. For long-term storage, consider under an inert atmosphere to maintain optimal stability.
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.
Hot Related Products


2-Formyl-3,4-Dihydro-2H-Pyran CAS NO 100-73-2


2-Ethoxy-3,4-Dihydro-2H-Pyran CAS NO 103-75-3


Morpholinium Salicylate CAS NO 147-90-0


2,6-Dimethylpyran-4(4H)-Thione CAS NO 1004-37-1


3-(1H-Benzimidazol-2-Yl)-2H-1-Benzopyran-2-One CAS NO 1032-97-9


4H-Pyran-4-One, 3,5-Dihydroxy-2-Methyl- CAS NO 1073-96-7


4H-Pyran-4-Thione CAS NO 1120-93-0


3,4-Dihydro-2H-Pyran-2-Carbonitrile CAS NO 1192-91-2


4H-Pyran-4-One,3-Methoxy-(6Ci,7Ci,8Ci,9Ci) CAS NO 1193-64-2


Tetrahydro-2-Isocyanato-2H-Pyran CAS NO 1194-00-9


2,2-Dimethyltetrahydropyran-4-One CAS NO 1194-16-7


2,2,6,6-Tetramethyl-2H-3,5,6-Trihydropyran-4-One CAS NO 1197-66-6


4H-Pyran-2-Carboxylic Acid, 5-Methoxy-4-Oxo- CAS NO 1199-60-6


2,6-Diethyl-3,5-Dimethyl-4H-Pyran-4-One CAS NO 1202-10-4


4,7-Dimethyl-2H,5H-Pyrano[4,3-B]Pyran-2,5-Dione CAS NO 1204-38-2


2,2-Dimethyl-5-(Phenylmethylene)-1,3-Dioxane-4,6-Dione CAS NO 1214-54-6


3-(4-Amino-Phenyl)-Chromen-2-One CAS NO 1218-54-8


[2,5-Dioxo-4-(2-Phenylacetyl)Oxy-3-Furyl] 2-Phenylacetate CAS NO 132-81-0


4-Chromanol CAS NO 1481-93-2


1-[(S)-2,3-Dihydro-5-Hydroxy-2-Methylnaphtho[1,8-Bc]Pyran-4-Yl]Ethanone CAS NO 1485-31-0
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.





