2,4,5-Trimethylthiazole
2,4,5-Trimethylthiazole (CAS: 13623-11-5, C6H9NS) is a heterocyclic organic compound with a molecular weight of 127.21 g/mol. It is supplied by Tech Serve Solutions with a typical assay of 98%. This chemical serves as a valuable building block in organic synthesis and has found application as an internal standard in analytical chemistry, specifically for the determination of aldehydes in alcoholic beverages.
- Synonyms
- 13623-11-5C6H9NS

Analytical Standard
2,4,5-Trimethylthiazole has been utilized as an internal standard in gas chromatographic analyses. Its specific application includes the precise determination of aldehyde concentrations within alcoholic beverages, contributing to quality control and research.
Heterocyclic Building Block
As a member of the thiazole family, this compound functions as a versatile building block in organic synthesis. Its structure allows for incorporation into more complex molecules, facilitating the development of novel chemical entities.
Chemical Synthesis
This trimethylthiazole derivative is employed in various chemical synthesis pathways. It is a useful reagent for researchers and chemists working with C3 to C7 heterocyclic compounds or exploring thiazole-based chemical transformations.
| Molecular weight | 127.21 |
|---|---|
| Empirical formula | C6H9NS |
| Assay | 98% |
| Boiling point | 166-167 °C/717 mmHg(lit.) |
| Density | 1.013 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.509(lit.) |
| Application | 2,4,5-Trimethylthiazole was employed as internal standard in the gas chromatographic determination of aldehydes in alcoholic beverages1. |



Hazard statements
- H226Flammable liquid and vapour
- H302Harmful if swallowed
- H315Causes skin irritation
- H318Causes serious eye damage
- H335May cause respiratory irritation
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P280Wear protective gloves, clothing and eye/face protection
- P305IF IN EYES
| Protective equipment | Eyeshields, Faceshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter |
|---|---|
| Flash point | 56 °C / 132.8 °F |
| Transport (UN / ADR) | UN 1993C 3 / PGIII |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xn |
| Risk statements (R) | 22-37/38-41 |
| Safety statements (S) | 26-39 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
Documentation
Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.
Supply & logistics
Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.
What is 2,4,5-Trimethylthiazole used for?
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2,4,5-Trimethylthiazole is primarily used as an internal standard in the gas chromatographic determination of aldehydes in alcoholic beverages. It also serves as a heterocyclic building block in chemical synthesis.
What is the CAS number and formula for 2,4,5-Trimethylthiazole?
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The CAS number for 2,4,5-Trimethylthiazole is 13623-11-5. Its empirical formula (Hill Notation) is C6H9NS, and its molecular weight is 127.21 g/mol.
What grade and purity does Tech Serve Solutions supply for 2,4,5-Trimethylthiazole?
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Tech Serve Solutions supplies 2,4,5-Trimethylthiazole with a minimum assay of 98%. We do not represent this product as meeting USP, BP, EP, or any pharmacopoeia standards; it is suitable for laboratory and research applications.
What are the safety considerations when handling 2,4,5-Trimethylthiazole?
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2,4,5-Trimethylthiazole is a flammable liquid and vapour (H226), harmful if swallowed (H302), and causes skin irritation (H315), serious eye damage (H318), and respiratory irritation (H335). Appropriate personal protective equipment including eyeshields, gloves, and respiratory protection (e.g., type ABEK respirator filter) is essential. Handle in a well-ventilated area.
How is 2,4,5-Trimethylthiazole packed and shipped?
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2,4,5-Trimethylthiazole is packed and shipped in accordance with international regulations for hazardous materials, including UN 1993 classification for flammable liquids. We are a global supplier and exporter experienced in handling such chemicals.
How can I request a sample or quote for 2,4,5-Trimethylthiazole?
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To request a sample or obtain a quotation for 2,4,5-Trimethylthiazole, please contact our sales team directly through the website or provide your details via the product enquiry form.
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