5-(trifluoromethyl)-1H-imidazole-4-carboxylic acid CAS 840490-23-5
| CAS No. | 840490-23-5 |
| Molecular Formula | C5H3F3N2O2 |
| Molecular Weight | 180.08 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
5-(trifluoromethyl)-1H-imidazole-4-carboxylic acid (CAS 840490-23-5), molecular formula C5H3F3N2O2 and molecular weight 180.08 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, 5-(trifluoromethyl)-1H-imidazole-4-carboxylic acid (C5H3F3N2O2) contains an amide group, a carboxylic acid group, a hydroxyl group, an ether linkage, fluorine substitution. 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 180.08 g/mol, it falls into the medium-molecular-weight range. 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).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
CATO manufactures 5-(trifluoromethyl)-1H-imidazole-4-carboxylic acid under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C5H3F3N2O2 |
| Molecular Weight | 180.08 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 |
| CAS Registry Year (est.) | 1987 |
| Halogen Content | F-containing |
| Nitrogen Atoms | 2 |
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Recommended Standards
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- 3-Amino-N-butyl-4-chloro-N-methylbenzenesulfonamide (CAS 1040336-03-5)
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- 3-Cyanobenzenesulfonamide (CAS 3118-68-1)
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- 3-Bromo-5-chloro-6-(methoxymethyl)pyrazolo[1,5-a]pyrimidine (CAS 2681395-30-0)
- (Asp28)-Exenatide trifluoroacetate salt (CAS 1678417-24-7)
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