2-Methyl-1H-imidazole-4-carboxylic acid hydrate CAS 1087768-73-7
| CAS No. | 1087768-73-7 |
| Molecular Formula | C5H6N2O2 |
| Molecular Weight | N/A |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
2-Methyl-1H-imidazole-4-carboxylic acid hydrate (CAS 1087768-73-7) is a high-purity analytical reference standard with the molecular formula C5H6N2O2H2O and a molecular weight of 144.13 g/mol.
Owing to an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage, 2-Methyl-1H-imidazole-4-carboxylic acid hydrate is typically white to pale yellow liquid. Its solid-state physicochemical attributes — including a molecular weight of 144.13 g/mol — guide the selection of appropriate sample preparation and analytical techniques. 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).
As a certified reference material (CRM), 2-Methyl-1H-imidazole-4-carboxylic acid hydrate 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 | C5H6N2O2 H2O |
| Molecular Weight | 144.13 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) | 3.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1989 |
| Nitrogen Atoms | 2 |
Recommended Standards
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- 5-Bromo-4-chloro-4,5,5-trifluoropent-2-enoic acid (CAS 232602-80-1)
- 3-Chloro-5-(trifluoromethyl)-1H-pyrazole (CAS 1003320-19-1)
- 2,2,6,6-tetramethylpiperidine-1,4-diol (CAS 3637-10-3)
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- Arecaidine (CAS 499-04-7)
- 2-(Ethoxymethyl)-4-methylpyrimidine-5-carboxylic acid (CAS 1494375-24-4)
- 3-Amino-5-propylpyrazine-2-carbonitrile (CAS 61267-73-0)
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