5-Amino-4-imidazolecarboxamide hydrochloride
5-Amino-4-imidazolecarboxamide hydrochloride (CAS 72-40-2), with the molecular formula C4H6N4O · HCl and a molecular weight of 162.58 g/mol, is a vital heterocyclic building block. This compound serves as a key intermediate in chemical synthesis, particularly for the preparation of purine analogues and related pharmaceutical compounds. Its reliable quality makes it a dependable choice for researchers and manufacturers requiring high-purity imidazole derivatives.
- IUPAC
- 4-Amino-5-imidazolecarboxamide hydrochloride,AICA

Synthesis of Purine Analogues
This compound is a crucial precursor in the multi-step synthesis of various purine analogues, which are important in medicinal chemistry research due to their biological activities.
Pharmaceutical Intermediate
It functions as a key intermediate in the development and manufacturing of active pharmaceutical ingredients (APIs), contributing to the synthesis pathways of complex drug molecules.
Heterocyclic Chemistry Research
As a functionalised imidazole derivative, it is employed in academic and industrial research for the creation of novel heterocyclic compounds with potential applications.
| Molecular weight | 162.58 |
|---|---|
| Empirical formula | C4H6N4O · HCl |
| Assay | ≥99.0% (AT) |
| Melting point | 250-252 °C (dec.)(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 5-Amino-4-imidazolecarboxamide hydrochloride used for?
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5-Amino-4-imidazolecarboxamide hydrochloride is primarily used as a building block in chemical synthesis, particularly for the preparation of purine analogues and as an intermediate in pharmaceutical research and development.
What are the CAS number and formula for 5-Amino-4-imidazolecarboxamide hydrochloride?
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The CAS number is 72-40-2, and its empirical formula is C4H6N4O · HCl.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 5-Amino-4-imidazolecarboxamide hydrochloride with an assay of ≥99.0% (AT). This is a technical/research grade material, and TSS does not represent it as USP, BP, or EP.
How should 5-Amino-4-imidazolecarboxamide hydrochloride be handled safely?
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Handle with appropriate personal protective equipment, including eyeshields and gloves. Use a type N95 (US) or type P1 (EN143) respirator filter. Ensure good ventilation and avoid dust formation. Refer to the Safety Data Sheet for comprehensive information.
Is this compound subject to any special controls?
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The provided data does not indicate that 5-Amino-4-imidazolecarboxamide hydrochloride (CAS 72-40-2) is a controlled substance. However, users should always comply with local regulations.
How is this chemical typically packed, shipped, and exported?
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Tech Serve Solutions packs, ships, and exports chemicals in compliance with international regulations for safe transport. Specific packaging details can be provided upon request.
How can I request a quote or sample?
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To request a quote or sample of 5-Amino-4-imidazolecarboxamide hydrochloride, please contact our sales team via the website or by phone.
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