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4,5-Dimethylthiazole CAS NO 3581-91-7
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CAS No.:3581-91-7
Grade:Pharmacy Grade
Content:99.9%
Brand:Customizable
Packaging:Customizable
Description
4,5-Dimethylthiazole is a versatile heterocyclic organic compound with a distinctive thiazole core. This chemical serves as a crucial building block and intermediate in the synthesis of more complex molecules, particularly in the pharmaceutical and agrochemical sectors. It is essential for researchers and manufacturers developing active ingredients, flavors, and fragrances who require a reliable supply of high-purity intermediates.
Application
- Pharmaceutical Intermediate: A key precursor in the synthesis of various active pharmaceutical ingredients (APIs), including potential antiviral and antibacterial agents.
- Agrochemical Synthesis: Used in the production of pesticides, herbicides, and fungicides, where the thiazole ring contributes to biological activity.
- Flavor & Fragrance Industry: Acts as a building block for creating specific sulfur-containing flavor compounds and aroma chemicals.
- Chemical Research & Development: A valuable reagent for heterocyclic chemistry, medicinal chemistry, and material science research.
- Ligand & Catalyst Preparation: Utilized in the synthesis of specialized ligands for metal catalysis and coordination chemistry.
- Dye & Pigment Manufacturing: Serves as an intermediate in the production of certain specialty dyes and organic pigments.
Basic Information
| Product Name | 4,5-Dimethylthiazole |
| CAS No. | 3581-91-7 |
| Molecular Formula | C5H7NS |
| Molecular Weight | 113.18 g/mol |
| Synonyms | 4,5-Dimethyl-1,3-thiazole; 4,5-Dimethylthiazole; 4,5-Dimethyl-thiazole; Thiazole, 4,5-dimethyl-; 2,4-Dimethylthiazole (common misnomer); NSC 403119; 4,5-Dimethyl-δ4-thiazoline |
| EINECS | 222-694-1 |
Quality Control
Our 4,5-Dimethylthiazole is produced under a strict quality management system. Every batch undergoes comprehensive analytical testing, including GC, HPLC, and NMR, to ensure identity, purity, and consistency. We provide detailed Certificates of Analysis (COA) with each shipment, confirming compliance with agreed specifications. Our commitment to traceability and documentation supports your regulatory and quality assurance requirements.
Storage
Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). Keep away from heat, sparks, and open flame. For long-term storage, consider under an inert atmosphere to maintain optimal purity.
Specification
| Item | Specification |
|---|---|
| Appearance | Colorless to pale yellow liquid |
| Identification (IR) | Conforms to structure |
| Purity (GC) | ≥ 98.0% |
| Water Content (KF) | ≤ 0.5% |
| Refractive Index (n20D) | 1.520 - 1.530 |
| Density (20°C) | 1.05 - 1.15 g/mL |
Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.
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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.





