2,4-Dichlorothiazole-5-carboxaldehyde
2,4-Dichlorothiazole-5-carboxaldehyde (CAS: 92972-48-0) is a halogenated heterocyclic aldehyde with a molecular weight of 182.03 g/mol. This compound serves as a valuable building block in organic synthesis, particularly for the construction of complex molecules. Its reactive aldehyde group and substituted thiazole ring make it a versatile intermediate for introducing the thiazole moiety into larger structures, finding applications in research and development across various chemical sectors.
- IUPAC
- 2,4-Dichloro-5-thiazolecarboxaldehyde
- Synonyms
- C4HCl2NOS2,4-Dichloro-5-thiazolecarboxaldehyde

Organic Synthesis Intermediate
Utilised as a key building block for constructing novel organic molecules. The presence of two chlorine atoms and an aldehyde group on the thiazole ring offers multiple points for chemical modification.
Pharmaceutical Research
Serves as a precursor or intermediate in the synthesis of potential pharmaceutical agents. Thiazole derivatives are known to possess a wide range of biological activities.
Agrochemical Development
Can be employed in the development of new agrochemicals, where heterocyclic structures often play a role in biological efficacy.
Material Science
May be used in the synthesis of specialised materials where the thiazole ring system contributes to desired physical or chemical properties.
| Molecular weight | 182.03 |
|---|---|
| Empirical formula | C4HCl2NOS |
| Assay | 97% |
| Melting point | 47-53 °C |

Hazard statements
- H301Toxic if swallowed
- H319Causes serious eye irritation
Precautionary statements
- P301IF SWALLOWED
- P305IF IN EYES
| Flash point | >110 °C / >230 °F |
|---|---|
| Transport (UN / ADR) | UN 2811 6.1 / PGIII |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xn |
| Risk statements (R) | 22-36 |
| Safety statements (S) | 26 |
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-Dichlorothiazole-5-carboxaldehyde used for?
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2,4-Dichlorothiazole-5-carboxaldehyde is primarily used as a building block and intermediate in organic synthesis, including research in pharmaceutical and agrochemical development.
What are the CAS number and molecular formula for 2,4-Dichlorothiazole-5-carboxaldehyde?
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The CAS number is 92972-48-0 and the molecular formula is C4HCl2NOS.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 2,4-Dichlorothiazole-5-carboxaldehyde with a minimum assay of 97%. We do not represent this product as USP, BP, or EP grade.
What are the safety considerations when handling this chemical?
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This compound is classified as Danger (GHS06) and is toxic if swallowed (H301) and causes serious eye irritation (H319). Handle with appropriate personal protective equipment in a well-ventilated area, avoiding contact with skin, eyes, and clothing. Refer to the Safety Data Sheet (SDS) for full details.
How is 2,4-Dichlorothiazole-5-carboxaldehyde packed and exported?
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2,4-Dichlorothiazole-5-carboxaldehyde is packed according to relevant transport regulations, including UN 2811 6.1 / PGIII for dangerous goods. TSS is experienced in global export.
How can I request a sample or quote?
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Please contact our sales team via the website or email to request a sample or a quotation for 2,4-Dichlorothiazole-5-carboxaldehyde.
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