4-(3-Bromo-4-fluorophenyl)-3-(4-nitro-1,2,5-oxadiazol-3-yl)-1,2,4-oxadiazol-5(4H)-one CAS 2019140-71-5
| CAS No. | 2019140-71-5 |
| Molecular Formula | C10H3BrFN5O5 |
| Molecular Weight | 372.06 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.
4-(3-Bromo-4-fluorophenyl)-3-(4-nitro-1,2,5-oxadiazol-3-yl)-1,2,4-oxadiazol-5(4H)-one (CAS 2019140-71-5), molecular formula C10H3BrFN5O5 and molecular weight 372.06 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C10H3BrFN5O5, 4-(3-Bromo-4-fluorophenyl)-3-(4-nitro-1,2,5-oxadiazol-3-yl)-1,2,4-oxadiazol-5(4H)-one contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage, fluorine/bromine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 372.06 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
CATO manufactures 4-(3-Bromo-4-fluorophenyl)-3-(4-nitro-1,2,5-oxadiazol-3-yl)-1,2,4-oxadiazol-5(4H)-one 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 | C10H3BrFN5O5 |
| Molecular Weight | 372.06 g/mol |
| Appearance | Pale yellow to 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 |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO |
| 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) | 11.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1996 |
| Halogen Content | F/Br-containing |
| Nitrogen Atoms | 5 |
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Recommended Standards
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- (2S)-3-(4-Bromophenyl)-2-methylpropanoic acid (CAS 1040274-42-7)
- 2-(4-(1H-Pyrrol-1-yl)phenyl)acetamide (CAS 33061-44-8)
- 2,4-DIBROMOBUTANOYL CHLORIDE 2,4-DIBROMOBUTYRYL CHLORIDE 82820-87-9 BC004825 BUTANOYL CHLORIDE, 2,4-DIBROMO- (CAS 82820-87-9)
- 1-Chloro-1-methoxy-2,2-dimethylpropane (CAS 61976-71-4)
- 2-(2,4-Dichlorophenyl)-2-methylpropanenitrile (CAS 71679-41-9)
- 4-(Aminomethyl)-N,N-dipropylbenzamide (CAS 926252-86-0)
- (Met(O)2?)-Glucagon (1-29) (human, rat, porcine) (CAS 75217-63-9)
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