2-bromo-5-(difluoromethyl)-1,3,4-oxadiazole CAS 1594041-90-3
| CAS No. | 1594041-90-3 |
| Molecular Formula | C3HBrF2N2O |
| Molecular Weight | 198.95 g/mol |
| 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-bromo-5-(difluoromethyl)-1,3,4-oxadiazole (CAS 1594041-90-3), molecular formula C3HBrF2N2O and molecular weight 198.95 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, 2-bromo-5-(difluoromethyl)-1,3,4-oxadiazole (C3HBrF2N2O) contains an amide group, a hydroxyl group, an ether linkage, fluorine/bromine substitution. The molecule exhibits a degree of unsaturation (DBE) of 3.0, corresponding to approximately 3 ring(s) or double-bond equivalent(s). With a molecular weight of 198.95 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).
As a certified reference material (CRM), 2-bromo-5-(difluoromethyl)-1,3,4-oxadiazole 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 | C3HBrF2N2O |
| Molecular Weight | 198.95 g/mol |
| Appearance | 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 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 |
| Degree of Unsaturation (DBE) | 3.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1993 |
| Halogen Content | F/Br-containing |
| Nitrogen Atoms | 2 |
Related bromo Standards
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- 5-Bromo-4-oxo-1,4-dihydropyridine-3-carbonitrile (CAS 1160923-97-6)
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Recommended Standards
- [2-Fluoro-6-(methoxycarbonyl)pyridin-3-yl]boronic acid (CAS 2225177-42-2)
- Epoxyethylboronic acid methyliminodiacetate (CAS 1152427-91-2)
- (6-Fluoro-5-(methoxycarbonyl)pyridin-3-yl)boronic acid (CAS 2225178-29-8)
- 3,4-DIchloro-1,1,1,3-tetrafluorobutane (CAS 1227947-61-6)
- 3-Amino-1-(3-(trifluoromethyl)benzyl)piperidin-2-one (CAS 1404945-84-1)
- 1-[4-(2-Aminoethyl)piperidin-1-yl]-2,2-dimethylpropan-1-one (CAS 1268521-58-9)
- 3-Phenylisoxazole (CAS 1006-65-1)
- Dehydroxy Indacaterol Impurity (CAS 918968-40-8)
- 4-(Cyclopentylamino)benzonitrile (CAS 1019512-92-5)
- 4,5-Dichloro-2-fluoro-3-methylphenol (CAS 2432849-02-8)
- 1-(1-Benzyl-3,5-dimethyl-1h-pyrazol-4-yl)ethan-1-amine (CAS 1344239-42-4)
- 4,5-Difluoro-2-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)benzonitrile (CAS 2216724-52-4)
- 2-aminopent-4-ynamide hydrochloride (CAS 375859-33-9)
- Semaglutide impurity 274 (CAS CATO-C4X-2226274)
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