2-Amino-4-(4-chlorophenyl)thiazole
2-Amino-4-(4-chlorophenyl)thiazole (CAS: 2103-99-3; Formula: C9H7ClN2S) is a halogenated heterocyclic compound with a molecular weight of 210.68 g/mol. This thiazole derivative serves as a valuable building block in chemical synthesis, particularly for the construction of more complex molecules within organic and medicinal chemistry research. Its structure incorporates a chlorophenyl group and an aminothiazole core, offering diverse reactivity for further chemical transformations.

Organic Synthesis Intermediate
This compound functions as a key intermediate in multi-step organic syntheses. It is utilised in the preparation of various heterocyclic scaffolds and functionalised molecules due to the reactive amino group and the presence of the thiazole ring.
Medicinal Chemistry Research
As a building block, 2-Amino-4-(4-chlorophenyl)thiazole is employed in the design and synthesis of potential pharmaceutical agents. Its structural features can be incorporated into molecules screened for diverse biological activities.
Material Science Exploration
The unique electronic and structural properties of thiazole derivatives can be of interest in the development of novel materials. This compound may find application in research exploring new organic electronic or photoactive substances.
| Molecular weight | 210.68 |
|---|---|
| Empirical formula | C9H7ClN2S |
| Assay | 98% |
| Melting point | 169-171 °C(lit.) |

Hazard statements
- H301Toxic if swallowed
- H315Causes skin irritation
- H319Causes serious eye irritation
- H335May cause respiratory irritation
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P301IF SWALLOWED
- P305IF IN EYES
| Protective equipment | dust mask type N95 (US), Eyeshields, Faceshields, Gloves |
|---|---|
| Transport (UN / ADR) | UN 2811 6.1 / PGIII |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xi |
| Risk statements (R) | 36/37/38 |
| Safety statements (S) | 26-36 |
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-Amino-4-(4-chlorophenyl)thiazole used for?
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2-Amino-4-(4-chlorophenyl)thiazole is primarily used as a building block in organic synthesis and in medicinal chemistry research for the development of new molecular structures and potential pharmaceutical agents.
What are the CAS number and formula for 2-Amino-4-(4-chlorophenyl)thiazole?
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The CAS number is 2103-99-3, and the empirical formula is C9H7ClN2S.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 2-Amino-4-(4-chlorophenyl)thiazole with an assay of 98%. This is a technical/research grade, and TSS does not represent it as USP, BP, or EP.
How should 2-Amino-4-(4-chlorophenyl)thiazole be handled safely?
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Handling requires appropriate personal protective equipment including a dust mask type N95, eyeshields, faceshields, and gloves. It is classified as dangerous, with hazards including acute toxicity if swallowed, skin irritation, serious eye irritation, and respiratory irritation (H301-H315-H319-H335).
How is 2-Amino-4-(4-chlorophenyl)thiazole packed and shipped?
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This chemical is shipped according to UN 2811 6.1 / PGIII regulations. Packaging details are available upon request.
How can I request a sample or quote for 2-Amino-4-(4-chlorophenyl)thiazole?
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Please contact our sales team via the website or provide your details through the enquiry form to request a sample or a formal quotation.
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