4-Imidazoleacetic acid hydrochloride
4-Imidazoleacetic acid hydrochloride (CAS: 3251-69-2), with the formula C5H6N2O2 · HCl and a molecular weight of 162.57 g/mol, is a heterocyclic building block. Supplied at 98% purity, this compound is primarily utilised in chemical synthesis and cell biology research. It serves as a precursor in the development of novel materials, including functionalised nanoparticles and potential metal ion chelators, contributing to advancements in materials science and biomedical applications.
- IUPAC
- (4-Imidazolyl)acetic acid hydrochloride,I4AA

Synthesis of Modified Nanoparticles
4-Imidazoleacetic acid hydrochloride is employed in the synthesis of imidazolyl-polyethylenimine modified nanoparticles. These materials have potential applications in drug delivery and gene therapy due to their unique structural and functional properties.
Development of Metal Ion Chelators
This compound serves as a key intermediate in the creation of pyridyl and imidazoyl functionalised carboproteins. These synthesised molecules are investigated for their potential as effective chelators of metal ions.
Heterocyclic Building Block
As a versatile heterocyclic building block, 4-Imidazoleacetic acid hydrochloride facilitates the construction of complex organic molecules relevant to pharmaceutical and chemical research.
| Molecular weight | 162.57 |
|---|---|
| Empirical formula | C5H6N2O2 · HCl |
| Assay | 98% |
| Solubility | water: soluble100 mg/mL, clear, faintly yellow |
| Application | 4-Imidazoleacetic acid hydrochloride was used in the synthesis of:• imidazolyl-polyethylenimine modified nanoparticles1• pyridyl and imidazoyl functionalized carboproteins, potential metal ion chelators2 |
| Melting point | 218-222 °C(lit.) |
| Protective equipment | Eyeshields, Gloves, type N95 (US), type P1 (EN143) respirator filter |
|---|---|
| Water hazard class (WGK, DE) | 3 |
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-Imidazoleacetic acid hydrochloride used for?
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4-Imidazoleacetic acid hydrochloride is used in chemical synthesis and cell biology research, including the preparation of modified nanoparticles and potential metal ion chelators.
What is the CAS number and formula for 4-Imidazoleacetic acid hydrochloride?
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The CAS number for 4-Imidazoleacetic acid hydrochloride is 3251-69-2, and its formula is C5H6N2O2 · HCl.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 4-Imidazoleacetic acid hydrochloride with an assay of 98%. We do not represent this product as USP, BP, EP, or pharmacopoeia grade.
How should 4-Imidazoleacetic acid hydrochloride be handled safely?
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Handling requires appropriate personal protective equipment, including eyeshields, gloves, and a type N95 (US) or type P1 (EN143) respirator filter. It is classified under WGK Germany 3, indicating a high hazard potential.
Is 4-Imidazoleacetic acid hydrochloride available for export?
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Yes, Tech Serve Solutions is a global supplier and exporter of fine chemicals, including 4-Imidazoleacetic acid hydrochloride.
How can I request a sample or quote for 4-Imidazoleacetic acid hydrochloride?
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To request a sample or a quote, please contact our sales department through the website or by phone.
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