4-Methylthiazole-5-carboxaldehyde
4-Methylthiazole-5-carboxaldehyde (CAS: 82294-70-0, C5H5NOS) is a key heterocyclic building block and carbonyl compound with a molecular weight of 127.16 g/mol. Supplied at 97% purity, this chemical serves as a valuable intermediate in organic synthesis and chemical research. Its structural features make it suitable for the development of novel compounds within pharmaceutical research and material science applications, offering a versatile platform for complex molecular construction.

Organic Synthesis Intermediate
Utilised as a fundamental building block in multi-step organic synthesis pathways. Its aldehyde functionality and thiazole ring allow for diverse chemical transformations.
Pharmaceutical Research
A crucial component in the synthesis of potential therapeutic agents and drug discovery programmes. Its heterocyclic nature is often found in biologically active molecules.
Material Science
Can be employed in the development of new materials where its specific structural motif is beneficial. Enables the creation of functionalised organic materials.
Chemical Research and Development
Supports academic and industrial research requiring novel thiazole derivatives. Facilitates the exploration of new chemical entities.
| Molecular weight | 127.16 |
|---|---|
| Empirical formula | C5H5NOS |
| Assay | 97% |
| Melting point | 74-78 °C(lit.) |

Hazard statements
- H318Causes serious eye damage
Precautionary statements
- P280Wear protective gloves, clothing and eye/face protection
- P305IF IN EYES
| Protective equipment | dust mask type N95 (US), Eyeshields, Gloves |
|---|---|
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xi |
| Risk statements (R) | 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 4-Methylthiazole-5-carboxaldehyde used for?
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4-Methylthiazole-5-carboxaldehyde is primarily used as an intermediate in organic synthesis, particularly in pharmaceutical research and development for creating novel compounds, and in material science.
What are the CAS number and formula for 4-Methylthiazole-5-carboxaldehyde?
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The CAS number is 82294-70-0 and the molecular formula is C5H5NOS.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 4-Methylthiazole-5-carboxaldehyde with an assay of 97%. We do not represent this product as USP, BP, or EP grade.
How should 4-Methylthiazole-5-carboxaldehyde be handled safely?
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This compound is classified as Danger with hazard statement H318 (Causes serious eye damage). Appropriate personal protective equipment includes a dust mask type N95 (US), eyeshields, and gloves. Handle with care to avoid eye contact.
Is 4-Methylthiazole-5-carboxaldehyde exported by TSS?
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Yes, Tech Serve Solutions is a global supplier and exporter of fine chemicals, including 4-Methylthiazole-5-carboxaldehyde.
How can I request a sample or quote for 4-Methylthiazole-5-carboxaldehyde?
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To request a sample or a quotation, please contact the TSS sales team via our website or direct inquiry channels.
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