Ethyl 4-fluoro-1H-imidazole-5-carboxylate CAS 33235-31-3
| CAS No. | 33235-31-3 |
| Molecular Formula | C6H7FN2O2 |
| Molecular Weight | 158.13 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Based on its molecular formula C6H7FN2O2, Ethyl 4-fluoro-1H-imidazole-5-carboxylate contains an amide group, a carboxylic acid group, a hydroxyl group, an ether linkage, fluorine substitution, an aromatic ring system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 158.13 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
Ethyl 4-fluoro-1H-imidazole-5-carboxylate (CAS 33235-31-3) is a high-purity analytical reference standard with the molecular formula C6H7FN2O2 and a molecular weight of 158.13 g/mol.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
As a certified reference material (CRM), Ethyl 4-fluoro-1H-imidazole-5-carboxylate 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 | C6H7FN2O2 |
| Molecular Weight | 158.13 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor, faint amine-like odor) |
| Purity | >95% |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry, keep tightly closed to prevent evaporation |
| 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; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 4.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1966 |
| Halogen Content | F-containing |
| Nitrogen Atoms | 2 |
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Recommended Standards
- methyl 4-fluoro-5-methylfuran-3-carboxylate (CAS 2117692-62-1)
- Fluorouracil EP Impurity F (CAS 56177-80-1)
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- 4-Formyl-1,2,3-thiadiazole-5-carboxylic acid (CAS 1934471-23-4)
- N-(2-Aminoethyl)-3-fluoro-4-methylbenzamide hydrochloride (CAS 1209763-26-7)
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- Sertraline Impurity 53 (CAS 2184053-08-3)
- 5-Bromo-N-(pyridin-2-yl)furan-2-carboxamide (CAS 202118-14-7)
- 3-Phenylpiperidin-3-amine (CAS 1236302-98-9)
- 2-(1H-Imidazol-2-yl)benzonitrile hydrochloride (CAS 449758-15-0)
- 198561-38-5 Carbamic acid,[(1S)-5-[[(1,1-dimethylethoxy)carbonyl]amino]-1-(hydroxymethyl)pentyl]-,9H-fluoren-9-ylmethyl ester (CAS 198561-38-5)
- 2-Cyclopropyl-4-ethynylthiazole (CAS 1849223-21-7)
- Sperm Activating Peptide, Sea Urchin (CAS 140653-27-6)
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