2-Chloro-1H-imidazole
2-Chloro-1H-imidazole (CAS: 16265-04-6, C3H3ClN2) is a halogenated heterocyclic building block with a molecular weight of 102.52 g/mol. This compound is primarily utilised in chemical synthesis, serving as a key intermediate in the preparation of more complex organic molecules. Its structural features make it valuable for introducing the imidazole moiety into various chemical frameworks. Supplied with an assay of 97%, it is suitable for research and development purposes.

Organic Synthesis Intermediate
2-Chloro-1H-imidazole serves as a versatile intermediate in the synthesis of diverse organic compounds. It is frequently employed in the construction of molecules containing the imidazole ring system, which is prevalent in many pharmaceuticals and agrochemicals.
Heterocyclic Chemistry
As a halogenated heterocycle, this compound is a valuable reagent in heterocyclic chemistry research. It facilitates the development of novel compounds with potential biological activity and material science applications.
Pharmaceutical Research
The imidazole core is a significant pharmacophore. 2-Chloro-1H-imidazole can be used in the discovery and development of new drug candidates by providing a readily functionalised imidazole scaffold.
| Molecular weight | 102.52 |
|---|---|
| Empirical formula | C3H3ClN2 |
| Assay | 97% |
| Storage temperature | 2-8°C |
| Melting point | 165-170 °C |


Hazard statements
- 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 | dust mask type N95 (US), Eyeshields, Gloves |
|---|---|
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xn |
| Risk statements (R) | 22-37/38-41 |
| Safety statements (S) | 26-36/39 |
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-Chloro-1H-imidazole used for?
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2-Chloro-1H-imidazole is used as an intermediate in organic synthesis, particularly in heterocyclic chemistry and pharmaceutical research for building molecules containing the imidazole moiety.
What are the CAS number and formula for 2-Chloro-1H-imidazole?
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The CAS number for 2-Chloro-1H-imidazole is 16265-04-6, and its molecular formula is C3H3ClN2.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 2-Chloro-1H-imidazole with a purity of 97%. We do not represent this product as USP, BP, or EP grade.
How should 2-Chloro-1H-imidazole be handled safely?
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2-Chloro-1H-imidazole is classified as dangerous. It is harmful if swallowed, causes skin irritation, serious eye damage, and may cause respiratory irritation. Handle with appropriate personal protective equipment including eyeshields, gloves, and a dust mask (type N95 or equivalent).
How is 2-Chloro-1H-imidazole packed and exported?
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2-Chloro-1H-imidazole is typically stored at 2-8°C. Tech Serve Solutions, as a global supplier, ensures compliant packing and export procedures for all its chemical products.
How can I request a quote or sample for 2-Chloro-1H-imidazole?
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To request a quote or a sample of 2-Chloro-1H-imidazole, please contact our sales team through the website or by phone, referencing the product name and CAS number.
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