1-Difluoromethyl-1H-imidazole-2-carboxylic acid ethyl ester CAS 1993439-87-4
| CAS No. | 1993439-87-4 |
| Molecular Formula | C7H8F2N2O2 |
| Molecular Weight | 190.15 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Structurally, 1-Difluoromethyl-1H-imidazole-2-carboxylic acid ethyl ester (C7H8F2N2O2) contains an amide group, a carboxylic acid group, a hydroxyl group, an ether linkage, fluorine substitution, an aromatic ring system. 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 190.15 g/mol, it falls into the medium-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
1-Difluoromethyl-1H-imidazole-2-carboxylic acid ethyl ester (CAS 1993439-87-4), molecular formula C7H8F2N2O2 and molecular weight 190.15 g/mol, is a CATO reference standard with documented purity and traceability.
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), 1-Difluoromethyl-1H-imidazole-2-carboxylic acid ethyl ester 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 | C7H8F2N2O2 |
| Molecular Weight | 190.15 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor, faint amine-like odor, low volatility) |
| Purity | 97%+ |
| 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.) | 1996 |
| Halogen Content | F-containing |
| Nitrogen Atoms | 2 |
Related Difluoromethyl Standards
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Recommended Standards
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- 4-(5-Nonyl)pyridine (CAS 2961-47-9)
- 1-Bromo-8-chloro-3-cyclopropylimidazo[1,5-a]pyrazine (CAS 1777823-22-9)
- 2-(4-fluorophenyl)-N-methyloxan-4-amine hydrochloride (CAS 1461714-03-3)
- 1265962-95-5 tert-Butyl 4-({[(2-methyl-1,3-thiazol-4-yl)methyl]amino}carbonyl)-1,3-thiazolidine-3-carboxylate MFCD15732219 (CAS 1265962-95-5)
- Testosterone Impurity 12 (CAS CATO-C4X-243212)
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- 2-[(4-Phenoxyphenyl)amino]-1,3-thiazole-4-carboxylic acid (CAS 1176721-85-9)
- Semaglutide Impurity 2 (CAS CATO-C4X-22262)
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