5-Bromo-3-(chloromethyl)-1,2,4-oxadiazole CAS 155742-36-2
| CAS No. | 155742-36-2 |
| Molecular Formula | C3H2BrClN2O |
| Molecular Weight | 197.42 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 197.42 g/mol gives 5-Bromo-3-(chloromethyl)-1,2,4-oxadiazole distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
CATO supplies 5-Bromo-3-(chloromethyl)-1,2,4-oxadiazole (CAS 155742-36-2), a certified reference material (molecular formula C3H2BrClN2O, MW 197.42 g/mol) for analytical method development and quality control.
5-Bromo-3-(chloromethyl)-1,2,4-oxadiazole (C3H2BrClN2O) contains an amide group, a hydroxyl group, an ether linkage, chlorine/bromine substitution. Halogen substitution raises its density and boiling point; these physicochemical properties determine the optimal preparation and storage of its standard solutions. 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-Bromo-3-(chloromethyl)-1,2,4-oxadiazole 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 | C3H2BrClN2O |
| Molecular Weight | 197.42 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.) | 2001 |
| Halogen Content | Cl/Br-containing |
| Nitrogen Atoms | 2 |
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