2-((5-(4-Bromophenyl)-1,3,4-oxadiazol-2-yl)thio)-N-(3-nitrophenyl)acetamide CAS 332161-26-9
| CAS No. | 332161-26-9 |
| Molecular Formula | C16H11BrN4O4S |
| Molecular Weight | 435.25 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
2-((5-(4-Bromophenyl)-1,3,4-oxadiazol-2-yl)thio)-N-(3-nitrophenyl)acetamide (CAS 332161-26-9), molecular formula C16H11BrN4O4S and molecular weight 435.25 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, 2-((5-(4-Bromophenyl)-1,3,4-oxadiazol-2-yl)thio)-N-(3-nitrophenyl)acetamide (C16H11BrN4O4S) contains a flavonoid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage, bromine substitution. The molecule exhibits a degree of unsaturation (DBE) of 13.0, corresponding to approximately 13 ring(s) or double-bond equivalent(s). With a molecular weight of 435.25 g/mol, it falls into the moderately-high-molecular-weight range. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
Physical & Chemical Properties
| Molecular Formula | C16H11BrN4O4S |
| Molecular Weight | 435.25 g/mol |
| 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) | 13.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | Br-containing |
| Nitrogen Atoms | 4 |
| Sulfur Atoms | 1 |
Related Bromophenyl Standards
- 2-((5-(2-Bromophenyl)-1,3,4-oxadiazol-2-yl)thio)-N-(2-nitrophenyl)acetamide (CAS 332154-87-7)
- 2-((5-(2-Bromophenyl)-1,3,4-oxadiazol-2-yl)thio)-N-(3-nitrophenyl)acetamide (CAS 332114-23-5)
- 2-((5-(2-Bromophenyl)-1,3,4-oxadiazol-2-yl)thio)-N-(4-nitrophenyl)acetamide (CAS 332114-32-6)
- 2-((5-(4-Bromophenyl)-1,3,4-oxadiazol-2-yl)thio)-N-(2-nitrophenyl)acetamide (CAS 332162-00-2)
- 2-[(4-Bromophenyl)sulfanyl]-4-[3-(trifluoromethyl)phenyl]pyridine-3-carbonitrile (CAS 478245-72-6)
- 2-[(4-Bromophenyl)sulfanyl]-6-[3-(trifluoromethyl)phenyl]pyridine-3-carbonitrile (CAS 252060-02-9)
- 2-[(4-Bromophenyl)sulfanyl]-6-phenyl-4-(trifluoromethyl)pyridine-3-carbonitrile (CAS 338749-49-8)
- 2-((5-(2-Bromophenyl)-1H-1,2,4-triazol-3-yl)thio)-N-(4-fluorophenethyl)acetamide (CAS 853325-19-6)
Recommended Standards
- 1-(2,4-Dichlorobenzyl)-N-(4,6-dimethoxypyrimidin-2-yl)-2-oxo-1,2-dihydropyridine-3-carboxamide (CAS 320419-91-8)
- Dioctyltin Mercaptoacetate (CAS 15535-79-2)
- 3,3'-((2,5-Dichloro-1,4-phenylene)bis(azanediyl))bis(1H-isoindol-1-one) (CAS 51016-63-8)
- Methyl (S)-2-((tert-butoxycarbonyl)amino)-3-(3-iodo-4-methoxyphenyl)propanoate (CAS 113850-71-8)
- N-methyl-N-(tetrahydrothiophen-3-yl)piperidine-3-carboxamide (CAS 1096261-97-0)
- N-(2-nitrophenyl)quinoline-2-carboxamide (CAS 298193-75-6)
- 1-(3-Chlorobenzyl)-4-isothiocyanato-1h-pyrazole (CAS 1004193-35-4)
- (S)-2-(3,4-Difluorophenyl)piperazine (CAS 1213656-02-0)
- 3-Amino-4-chloro-2-fluorophenol (CAS 1427407-07-5)
- (2-Chloro-4-fluoro-3-methoxyphenyl)(thiomorpholino)methanone (CAS 2586127-58-2)
- 5-Benzyl-5,8-diazaspiro[3.5]Nonane (CAS 1269292-94-5)
- (R)-2-((4-Benzylmorpholin-2-yl)methyl)isoindoline-1,3-dione (CAS 186202-54-0)
- (3-(Azetidin-1-ylmethyl)phenyl)(3-(trifluoromethyl)phenyl)methanone (CAS 898771-93-2)
- Semaglutide Impurity 161 (x TFA Salt) (CAS CATO-C4X-2226161)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 18665070610 / Nicole.chen@cato-chem.com