4-Amino-5-hydroxy-2-oxo-2,5-dihydro-1H-imidazole-1-carbaldehyde CAS 51495-77-3
| CAS No. | 51495-77-3 |
| Molecular Formula | C4H5N3O3 |
| Molecular Weight | 143.10 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Structurally, 4-Amino-5-hydroxy-2-oxo-2,5-dihydro-1H-imidazole-1-carbaldehyde (C4H5N3O3) contains an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 4.0, corresponding to approximately 4 ring(s) or double-bond equivalent(s). With a molecular weight of 143.10 g/mol, it falls into the low-molecular-weight range. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
4-Amino-5-hydroxy-2-oxo-2,5-dihydro-1H-imidazole-1-carbaldehyde (CAS 51495-77-3) is a high-purity analytical reference standard with the molecular formula C4H5N3O3 and a molecular weight of 143.10 g/mol.
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
CATO manufactures 4-Amino-5-hydroxy-2-oxo-2,5-dihydro-1H-imidazole-1-carbaldehyde under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C4H5N3O3 |
| Molecular Weight | 143.10 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO, water |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 4.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1971 |
| Nitrogen Atoms | 3 |
Related Amino Standards
- 4-Amino-N-hydroxy-1,2,5-oxadiazole-3-carboximidamide (CAS 1211025-52-3)
- 2-Amino-4-oxo-4,5-dihydrofuran-3-carboxylic acid (CAS 123591-10-6)
- 4-Amino-N’-hydroxy-1,2,5-oxadiazole-3-carboximidamide (CAS 13490-32-9)
- 3-Acetyl-4-amino-1,2,5-oxadiazole 2-oxide (CAS 164926-69-6)
- 2-(4-Amino-1,2,5-oxadiazol-3-yl)acetic acid (CAS 186044-13-3)
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Recommended Standards
- 4-Amino-1,2,5-oxadiazole-3-carbohydrazide (CAS 246048-72-6)
- 4-Amino-5-oxo-4,5-dihydro-1H-pyrazole-3-carboxylic acid (CAS 89033-46-5)
- 4-(Methylamino)-1,2,5-oxadiazole-3-carboxylic acid (CAS 354143-53-6)
- 4-Methoxy-3-nitro-1H-pyrazole (CAS 2306277-70-1)
- 3-Bromo-6-(perfluoroethyl)pyridazine (CAS 1206523-98-9)
- 1-((3,5-Dimethylpiperidin-1-yl)sulfonyl)piperazine (CAS 923684-29-1)
- tert-Butyl(S)-(2-fluoro-3-hydroxypropyl)carbamate (CAS 344413-84-9)
- 4-Chloro-5-methoxy-2-nitrobenzoic acid (CAS 18734-73-1)
- 5-(Isopropylthio)-1,2,4-thiadiazol-3(2H)-one (CAS 845879-12-1)
- Ethyl (E)-2-(ethoxymethylene)-3-oxobutanoate (CAS 3788-94-1)
- Emedastine EP Impurity A (CAS 101953-61-1)
- 4-Methyl-2,2-dioxo-1,3,2-dioxathiolane (CAS 5689-83-8)
- 1-(4-Chlorobenzyl)-4,8-dimethylquinolin-2(1H)-one (CAS 343374-02-7)
- Casein Kinase II Receptor Peptide (CAS 198481-81-1)
Why CATO?
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