4-Methyl-2-thiazolecarboxaldehyde
4-Methyl-2-thiazolecarboxaldehyde (CAS: 13750-68-0) is a heterocyclic organic compound with the formula C5H5NOS and a molecular weight of 127.16 g/mol. This aldehyde derivative of thiazole serves as a valuable building block in organic synthesis. It is characterised by its refractive index of n20/D 1.5600 and boiling point of 72-74 °C/9 mmHg. Its applications are primarily within chemical research and development, facilitating the construction of more complex molecular architectures.

Organic Synthesis Intermediate
4-Methyl-2-thiazolecarboxaldehyde is utilised as a key intermediate in the synthesis of diverse organic molecules. Its aldehyde functionality allows for various nucleophilic addition reactions, enabling the formation of new carbon-carbon bonds and the introduction of the thiazole moiety into target structures.
Heterocyclic Chemistry Research
This compound is employed in academic and industrial research focused on heterocyclic chemistry. It provides a scaffold for exploring novel thiazole-containing compounds with potential applications in medicinal chemistry and materials science.
Building Block for Fine Chemicals
As a versatile building block, 4-Methyl-2-thiazolecarboxaldehyde contributes to the development and production of specialised fine chemicals. Its structure is amenable to further functionalisation, making it useful in multi-step synthetic routes.
| Molecular weight | 127.16 |
|---|---|
| Empirical formula | C5H5NOS |
| Assay | 97% |
| Boiling point | 72-74 °C/9 mmHg(lit.) |
| Density | 1.183 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.5600(lit.) |

Hazard statements
- H302Harmful if swallowed
- H317May cause an allergic skin reaction
- H319Causes serious eye irritation
Precautionary statements
- 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 | 67 °C / 152.6 °F |
| Transport (UN / ADR) | NA 1993 / PGIII |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xn |
| Risk statements (R) | 22-36-43 |
| Safety statements (S) | 26-36/37 |
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-Methyl-2-thiazolecarboxaldehyde used for?
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4-Methyl-2-thiazolecarboxaldehyde is primarily used as an intermediate in organic synthesis and in heterocyclic chemistry research for building more complex molecules.
What are the CAS number and formula for 4-Methyl-2-thiazolecarboxaldehyde?
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The CAS number is 13750-68-0, and the formula is C5H5NOS.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 4-Methyl-2-thiazolecarboxaldehyde with a minimum assay of 97%. We do not represent this product as USP, BP, EP, or any other pharmacopoeial grade.
How should 4-Methyl-2-thiazolecarboxaldehyde be handled?
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This compound is classified as a warning substance. It may cause respiratory irritation, and is harmful if swallowed. It can cause skin sensitisation and serious eye irritation. Appropriate personal protective equipment, including gloves, eyeshields, and a respirator, should be worn. Handle in a well-ventilated area.
Can Tech Serve Solutions export 4-Methyl-2-thiazolecarboxaldehyde?
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Yes, Tech Serve Solutions is a specialist global supplier and exporter of fine chemicals and laboratory reagents, including 4-Methyl-2-thiazolecarboxaldehyde.
How can I request a sample or quote for 4-Methyl-2-thiazolecarboxaldehyde?
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Please contact our sales team via the website or phone to request a sample or a quotation for 4-Methyl-2-thiazolecarboxaldehyde.
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