1-Methyl-1H-imidazol-5-amine oxalate CAS 2225879-17-2
| CAS No. | 2225879-17-2 |
| Molecular Formula | C4H7N3 |
| Molecular Weight | N/A |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
1-Methyl-1H-imidazol-5-amine oxalate (C4H7N3C2H2O4) contains an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage. It is notably hygroscopic, the carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
1-Methyl-1H-imidazol-5-amine oxalate (CAS 2225879-17-2) is a high-purity analytical reference standard with the molecular formula C4H7N3C2H2O4 and a molecular weight of 187.16 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.
As a certified reference material (CRM), 1-Methyl-1H-imidazol-5-amine oxalate meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
Physical & Chemical Properties
| Molecular Formula | C4H7N3 C2H2O4 |
| Molecular Weight | 187.16 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 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 |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1998 |
| Nitrogen Atoms | 3 |
Recommended Standards
- 3-(3,5-dimethyl-1,2-oxazol-4-yl)-2-methylpropanoic acid (CAS 893641-05-9)
- 62669-66-3 9-(2-Carboxyphenyl)-3,6-bis(ethylamino)-2,7-dimethylxanthylium perchlorate Xanthylium, 9-(2-carboxyphenyl)-3,6-bis(ethylamino)-2,7-dimethyl-, perchlorate (1:1) Xanthylium, 9-(2-carboxyphenyl)-3,6-bis(ethylamino)-2,7-dimethyl-, perchlorate EINECS 263-686-2 (CAS 62669-66-3)
- Ethyl 2-((tert-butoxycarbonyl)amino)-3-cyclobutylpropanoate (CAS 816430-02-1)
- (3-Morpholin-4-yl-5-trifluoromethyl-phenyl)-carbamic acid tert-butyl ester (CAS 641571-04-2)
- 2-[3-(2,5-Dimethyl-1H-pyrrol-1-yl)thiophen-2-yl]-6-(4-fluorophenyl)pyrazolo[1,5-a]pyrimidin-7-amine (CAS 439095-87-1)
- 1-Cyclohexyl-3,3-dimethoxypropan-1-one (CAS 7014-88-2)
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- Vinorelbine Impurity 15 (CAS CATO-C4X-264215)
- Fas C- Terminal Tripeptide (CAS 189109-90-8)
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