9-Bromo-2-(furan-2-yl)-5-(3-nitrophenyl)-5,10b-dihydro-1H-benzo[e]pyrazolo[1,5-c][1,3]oxazine CAS 799779-27-4
| CAS No. | 799779-27-4 |
| Molecular Formula | C20H14BrN3O4 |
| Molecular Weight | 440.25 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 440.25 g/mol gives 9-Bromo-2-(furan-2-yl)-5-(3-nitrophenyl)-5,10b-dihydro-1H-benzo[e]pyrazolo[1,5-c][1,3]oxazine distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
9-Bromo-2-(furan-2-yl)-5-(3-nitrophenyl)-5,10b-dihydro-1H-benzo[e]pyrazolo[1,5-c][1,3]oxazine (CAS 799779-27-4) is a high-purity analytical reference standard with the molecular formula C20H14BrN3O4 and a molecular weight of 440.25 g/mol.
The molecular framework of 9-Bromo-2-(furan-2-yl)-5-(3-nitrophenyl)-5,10b-dihydro-1H-benzo[e]pyrazolo[1,5-c][1,3]oxazine (C20H14BrN3O4) is characterized by a flavonoid core, an amide group, a hydroxyl group, an ether linkage, bromine substitution. In reversed-phase chromatography, its retention is governed primarily by the protonation state of its nitrogen-containing groups, which provides a practical basis for HPLC-UV/DAD or LC-MS method development. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
As a certified reference material (CRM), 9-Bromo-2-(furan-2-yl)-5-(3-nitrophenyl)-5,10b-dihydro-1H-benzo[e]pyrazolo[1,5-c][1,3]oxazine 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 | C20H14BrN3O4 |
| Molecular Weight | 440.25 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor) |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°C), protect from light, keep sealed and dry |
| 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) | 15.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1986 |
| Halogen Content | Br-containing |
| Nitrogen Atoms | 3 |
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Recommended Standards
- N-[5-(Benzyloxy)-2,4-dichlorophenyl]-3-(trifluoromethyl)benzamide (CAS 338961-19-6)
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- Dibromotriphenylphosphine (CAS 1034-39-5)
- 6-(4-Chlorophenyl)-2-{[(6-chloropyridin-3-yl)methyl]sulfanyl}-4-(trifluoromethyl)pyridine-3-carbonitrile (CAS 674805-55-1)
- 2-(Difluoromethyl)-3-hydroxy-6-iodopyridine-5-carboxylic acid (CAS 1805535-88-9)
- 1-(3-Fluorophenyl)hexan-2-one (CAS 261919-89-5)
- Methyl 4-cyclopentyl-2-(methylsulfonyl)pyrimidine-5-carboxylate (CAS 1292289-62-3)
- Benzoic Acid impurity 5 (CAS CATO-C4X-28455)
- Methyl 2-benzylthiazole-4-carboxylate (CAS 36916-45-7)
- CAY10503 (CAS 890854-82-7)
- 4-Ethyl-5-{thieno[2,3-b]quinolin-2-yl}-4H-1,2,4-triazole-3-thiol (CAS 478260-35-4)
- 2-(Oxazol-5-yl)pyrimidine-5-carbonitrile (CAS 1447607-64-8)
- 5-Methyl-4-phenylthiazol-2-amine hydrobromide (CAS 34176-31-3)
- Adrenal Peptide E, bovine (CAS 78355-50-7)
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