1-(4-Nitrophenyl)-2-((5-(o-tolyl)-1,3,4-oxadiazol-2-yl)thio)ethanone CAS 332357-67-2
| CAS No. | 332357-67-2 |
| Molecular Formula | C17H13N3O4S |
| Molecular Weight | 355.37 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Owing to a flavonoid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage, 1-(4-Nitrophenyl)-2-((5-(o-tolyl)-1,3,4-oxadiazol-2-yl)thio)ethanone is typically pale yellow to yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 355.37 g/mol — guide the selection of appropriate sample preparation and analytical techniques. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
CATO supplies 1-(4-Nitrophenyl)-2-((5-(o-tolyl)-1,3,4-oxadiazol-2-yl)thio)ethanone (CAS 332357-67-2), a certified reference material (molecular formula C17H13N3O4S, MW 355.37 g/mol) for analytical method development and quality control.
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.
As a certified reference material (CRM), 1-(4-Nitrophenyl)-2-((5-(o-tolyl)-1,3,4-oxadiazol-2-yl)thio)ethanone 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 | C17H13N3O4S |
| Molecular Weight | 355.37 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°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 |
| Degree of Unsaturation (DBE) | 13.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Nitrogen Atoms | 3 |
| Sulfur Atoms | 1 |
Related Nitrophenyl Standards
- 1-(4-Nitrophenyl)-2-((5-(m-tolyl)-1,3,4-oxadiazol-2-yl)thio)ethanone (CAS 332159-51-0)
- 2’-Nitrophenyl 2,3-Di-O-acetyl-b-D-xylopyranoside (CAS 162088-91-7)
- 4-(3-(4-Nitrophenyl)ureido)benzene-1-sulfonyl chloride (CAS 677326-85-1)
- 3-[(2-Methyl-4-nitrophenyl)carbamoyl]benzenesulfonyl chloride (CAS 2034157-31-6)
- N-(2-Nitrophenyl)naphthalen-2-amine (CAS 3746-87-0)
- Ethyl 7-(3-nitrophenyl)-2,4-dioxo-1,2,3,4-tetrahydropyrido[2,3-d]pyrimidine-5-carboxylate (CAS 866050-48-8)
- Ethyl 2-(3-nitrophenyl)-4-phenylthiazole-5-carboxylate (CAS 1965304-92-0)
- 2-{[5-(4-nitrophenyl)-4-phenyl-4H-1,2,4-triazol-3-yl]sulfanyl}acetic acid (CAS 790270-85-8)
Recommended Standards
- 1-(Diphenylphosphoryl)-N-(4-fluorophenyl)methanethioamide (CAS 646506-61-8)
- 1-((4-(4-Fluorophenyl)piperazin-1-yl)methyl)-5-nitro-1H-indazole (CAS 727692-55-9)
- 11-(3,4-Dimethoxyphenyl)-6-hydroxy-8-thia-3,5,10-triazatricyclo[7.4.0.0^{2,7}]trideca-1(9),2(7),5,10,12-pentaen-4-one (CAS 665001-01-4)
- Tert-butyl 3-((trifluoromethyl)sulfonyl)-9-azabicyclo[3.3.1]Non-2-ene-9-carboxylate (CAS 1823263-10-0)
- 3-((3-Methoxypropyl)amino)thietane 1,1-dioxide (CAS 1865021-65-3)
- 2-(Perfluoroethyl)-2-(3-(trifluoromethyl)phenyl)pyrrolidine (CAS 887360-99-8)
- 4'-(Benzyloxy)-3-fluoro-[1,1'-biphenyl]-4-yl acetate (CAS 477860-05-2)
- 2-Chloro-n-(2-methyl-6-nitrophenyl)acetamide (CAS 78180-08-2)
- Nitrogen-<SUP>15</SUP>N<SUB>1</SUB> (CAS 17787-11-0)
- (R)-N,N-Dimethyl-1-(4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)pyrrolidin-3-amine (CAS 1247001-01-9)
- 2-(2-Chloropyrimidin-5-yl)acetonitrile (CAS 1000565-07-0)
- Ethyl 8-nitroimidazo[1,2-a]pyridine-2-carboxylate (CAS 72721-23-4)
- (3R,4S)-4-Amino-1-benzyl-piperidin-3-ol (CAS 1932060-23-5)
- Semaglutide impurity 28 (CAS CATO-C4X-222628)
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