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2-Butynyl 4-Methylbenzenesulfonate CAS NO 56563-37-2
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CAS No.:56563-37-2
Grade:Pharmacy Grade
Content:99.9%
Brand:Customizable
Packaging:Customizable
Description
2-Butynyl 4-Methylbenzenesulfonate is a specialized organic sulfonate ester, a valuable chemical intermediate in advanced synthesis. Its primary commercial value lies in its role as a versatile building block for constructing complex molecules, particularly in pharmaceutical and agrochemical research. This compound is essential for chemical manufacturers and R&D laboratories focused on developing new active ingredients and fine chemicals.
Application
- Pharmaceutical Intermediate: Key building block in the synthesis of novel drug candidates and active pharmaceutical ingredients (APIs).
- Agrochemical Synthesis: Used in the research and development of new pesticides, herbicides, and plant growth regulators.
- Organic Synthesis Reagent: Acts as an alkylating agent or a sulfonate ester precursor in complex organic transformations.
- Material Science Research: Employed in the development of specialty polymers and advanced functional materials.
- Academic & Industrial R&D: Serves as a critical reagent in research laboratories for methodological studies and new compound discovery.
Basic Information
| Product Name | 2-Butynyl 4-Methylbenzenesulfonate |
| CAS No. | 56563-37-2 |
| Molecular Formula | C₁₁H₁₂O₃S |
| Molecular Weight | 224.28 g/mol |
| Synonyms | 2-Butyn-1-yl p-toluenesulfonate; 2-Butynyl tosylate; p-Toluenesulfonic acid 2-butynyl ester; 4-Methylbenzenesulfonic acid 2-butynyl ester; 1-Butyn-4-yl tosylate; Tosyl 2-butynyl ester; 2-Butynyl toluene-4-sulfonate |
| EINECS | Contact for details |
Quality Control
Our 2-Butynyl 4-Methylbenzenesulfonate is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing to ensure high purity and consistency, meeting the stringent requirements of research and industrial applications. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with every shipment to guarantee traceability and quality assurance.
Storage
Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). Keep away from heat, sparks, and open flame. Due to its light-sensitive nature, containers should be kept in the original packaging or amber glass until use.
Specification
| Item | Specification |
|---|---|
| Appearance | Colorless to pale yellow liquid |
| Identification (IR) | Conforms to structure |
| Purity (HPLC) | ≥ 97.0% |
| Water Content (KF) | ≤ 0.5% |
Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.
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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.





