N1-(4-Nitro-1H-imidazol-5-yl)ethane-1,2-diamine CAS 573986-91-1
| CAS No. | 573986-91-1 |
| Molecular Formula | C5H9N5O2 |
| Molecular Weight | 171.16 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
N1-(4-Nitro-1H-imidazol-5-yl)ethane-1,2-diamine (CAS 573986-91-1), molecular formula C5H9N5O2 and molecular weight 171.16 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, N1-(4-Nitro-1H-imidazol-5-yl)ethane-1,2-diamine (C5H9N5O2) 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 171.16 g/mol, it falls into the medium-molecular-weight range. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
Physical & Chemical Properties
| Molecular Formula | C5H9N5O2 |
| Molecular Weight | 171.16 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (faint amine-like odor) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| 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.) | 1984 |
| Nitrogen Atoms | 5 |
Related N Standards
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- 2-(3-Methyl-4-nitro-pyrazol-1-yl)-ethanol (CAS 1201936-01-7)
- (1-Ethyl-3-nitro-1h-pyrazol-5-yl)methanol (CAS 1328640-72-7)
- 2-(5-Methyl-4-nitro-1H-pyrazol-1-yl)ethan-1-ol (CAS 1795433-28-1)
- 1-Methyl-4-nitro-1H-imidazole-2-carboxylic acid (CAS 109012-24-0)
- 2-Methyl-5-nitro-1H-imidazole-4-carboxylic acid (CAS 116273-51-9)
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Recommended Standards
- Isoxazolo[4,3-f]quinoxaline (CAS 27629-48-7)
- Sodium 4,4'-(3-oxo-1,3-dihydroisobenzofuran-1,1-diyl)bis(2-isopropyl-5-methylphenolate) (CAS 63717-20-4)
- Isoxazolo[3,4-b]quinoxaline (CAS 78172-25-5)
- Tetrazolo[5,1-α]phthalazine (CAS 234-82-2)
- 5,5-Dimethyl-2-p-tolylmorpholine (CAS 1017481-09-2)
- 4-(Hydroxymethyl)-6-methylnicotinaldehyde (CAS 1289141-09-8)
- 5-[2-(2,6-dioxo-3-piperidyl)-1-oxo-isoindolin-5-yl]pentanoic acid (CAS 2421262-14-6)
- N-(3-(1H-Imidazol-1-yl)propyl)-N-(4,7-dimethylbenzo[d]thiazol-2-yl)-3,4-dimethoxybenzamide hydrochloride (CAS 1215569-18-8)
- (S)-3-((tert-butoxycarbonyl)amino)-2-(2,3-dichlorobenzyl)propanoic acid (CAS 1260588-47-3)
- Ricinolic Acid (CAS 141-22-0)
- Prasugrel Impurity 29 HCl (CAS 201049-78-7(free base))
- 5-(Diphenylmethoxy)-1-hydroxy-2-(hydroxymethyl)-1,4-dihydropyridin-4-one (CAS 114875-62-6)
- Piperazine, 2-methyl-, polymer with 1,3-diisocyanatomethylbenzene and 2-methyloxirane (CAS 63641-77-0)
- Semaglutide impurity 274 (CAS CATO-C4X-2226274)
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