

share
5-(Benzyloxy)-6-(tert-Butoxycarbonyl)-4-Oxo-4H-Pyran-3-Carboxylic Acid CAS NO 1332856-35-5
Unit Price:
CAS No.:1332856-35-5
Grade:Pharmacy Grade
Content:99.9%
Brand:Customizable
Packaging:Customizable
Description
5-(Benzyloxy)-6-(tert-Butoxycarbonyl)-4-Oxo-4H-Pyran-3-Carboxylic Acid is a high-purity, advanced pharmaceutical intermediate characterized by its functionalized pyranone core. This compound matters as a critical building block in the synthesis of complex active pharmaceutical ingredients (APIs), enabling the development of novel therapeutic agents. It is primarily needed by R&D chemists and process development scientists in the pharmaceutical, biotechnology, and fine chemical industries for medicinal chemistry and scale-up synthesis.
Application
- Pharmaceutical Intermediate: A key precursor in the synthesis of complex drug molecules and active pharmaceutical ingredients (APIs).
- Medicinal Chemistry Research: Used in lead optimization and structure-activity relationship (SAR) studies for new drug discovery.
- Process Chemistry & Scale-Up: Serves as a crucial building block for the development and optimization of commercial-scale synthetic routes.
- Fine Chemical Synthesis: Employed in the preparation of specialty chemicals, agrochemical intermediates, and other high-value compounds.
- Academic & Contract Research: Utilized in university and CRO (Contract Research Organization) laboratories for chemical and biochemical research.
Basic Information
| Product Name | 5-(Benzyloxy)-6-(tert-Butoxycarbonyl)-4-Oxo-4H-Pyran-3-Carboxylic Acid |
| CAS No. | 1332856-35-5 |
| Molecular Formula | C18H18O7 |
| Molecular Weight | 346.33 g/mol |
| Synonyms | 5-(Benzyloxy)-6-[(tert-butoxy)carbonyl]-4-oxo-4H-pyran-3-carboxylic acid; 6-(tert-Butoxycarbonyl)-5-(benzyloxy)-4-oxo-4H-pyran-3-carboxylic acid; 4H-Pyran-3-carboxylic acid, 5-(benzyloxy)-6-[(1,1-dimethylethoxy)carbonyl]-4-oxo-; 5-Benzyloxy-6-tert-butoxycarbonyl-4-oxo-4H-pyran-3-carboxylic Acid; BOC-Protected Pyranone Acid Derivative |
| EINECS | Contact for details |
Quality Control
Our 5-(Benzyloxy)-6-(tert-Butoxycarbonyl)-4-Oxo-4H-Pyran-3-Carboxylic Acid is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC, NMR, and mass spectrometry, to ensure identity, purity, and consistency. Certificates of Analysis (COA) with detailed specifications are provided for every shipment, supporting cGMP and ISO standards for pharmaceutical intermediates.
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). This compound is moisture-sensitive; keep the container tightly sealed under an inert atmosphere if possible to maintain stability and prevent degradation.
Specification
| Item | Specification |
|---|---|
| Appearance | White to off-white crystalline powder |
| Identification (IR) | Conforms to structure |
| Identification (HPLC) | Conforms to reference standard |
| Assay (HPLC) | ≥ 98.0% |
| Water Content (KF) | ≤ 0.5% |
| Residue on Ignition | ≤ 0.1% |
| Heavy Metals | ≤ 10 ppm |
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.






