5-((4-Bromo-3-nitro-1H-pyrazol-1-yl)methyl)-3-methyl-1,2,4-oxadiazole CAS 1241227-58-6
| CAS No. | 1241227-58-6 |
| Molecular Formula | C7H6BrN5O3 |
| Molecular Weight | 288.06 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Structurally, 5-((4-Bromo-3-nitro-1H-pyrazol-1-yl)methyl)-3-methyl-1,2,4-oxadiazole (C7H6BrN5O3) contains an amide group, a carboxylic acid group, a hydroxyl group, an ether linkage, bromine substitution, an aromatic ring system. The molecule exhibits a degree of unsaturation (DBE) of 7.0, corresponding to approximately 7 ring(s) or double-bond equivalent(s). With a molecular weight of 288.06 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).
5-((4-Bromo-3-nitro-1H-pyrazol-1-yl)methyl)-3-methyl-1,2,4-oxadiazole (CAS 1241227-58-6), molecular formula C7H6BrN5O3 and molecular weight 288.06 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.
CATO manufactures 5-((4-Bromo-3-nitro-1H-pyrazol-1-yl)methyl)-3-methyl-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 | C7H6BrN5O3 |
| Molecular Weight | 288.06 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor, faint amine-like odor) |
| 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 methanol, ethanol, DMSO, water |
| 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) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1990 |
| Halogen Content | Br-containing |
| Nitrogen Atoms | 5 |
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Recommended Standards
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- 4-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazol-3-amine (CAS 2800894-84-0)
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- Tert-butyl (2-(1-aminoethyl)phenyl)carbamate (CAS 889949-41-1)
- 2-Chloro-N-(3-nitrobenzyl)acetamide (CAS 74553-26-7)
- 2-Chloro-5-ethynylbenzaldehyde (CAS 847978-21-6)
- 4-(1-Piperazinyl)-2-(trifluoromethyl)quinoline (CAS 175203-79-9)
- Gadobutrol Impurity 102 (CAS 2101625-18-5)
- 2-(Allyloxy)quinoline-3-carbaldehyde (CAS 915949-71-2)
- Tirzepatide Impurity 25 X TFA Salt (CAS CATO-C4X-324025)
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