2,5-Bis(3-nitrophenyl)-1,3,4-oxadiazole CAS 2491-89-6
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 2491-89-6 |
| Molecular Formula | C14H8N4O5 |
| Molecular Weight | 312.24 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Order 2,5-Bis(3-nitrophenyl)-1,3,4-oxadiazole (CAS 2491-89-6) pharmaceutical standards reference standard from CATO: ISO 17034 accredited producer, 130,000+ catalog items in stock. Molecular formula: C14H8N4O5. Molecular weight: 312.24 g/mol. COA included with every batch.
Physical & Chemical Properties
| Molecular Formula | C14H8N4O5 |
| Molecular Weight | 312.24 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| 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.) | 1957 |
| Nitrogen Atoms | 4 |
Related Bis Standards
- 2,5-Bis(4-nitrophenyl)-1,3,4-oxadiazole (CAS 1044-49-1)
- 3,5-Bis(3-nitrophenyl)-1,2,4-oxadiazole (CAS 74229-71-3)
- 2-(4-Nitrophenyl)-1,3-dioxoisoindoline-5-carboxylic acid (CAS 110768-20-2)
- Ethyl 7-(3-nitrophenyl)pyrazolo[1,5-a]pyrimidine-3-carboxylate (CAS 765292-65-7)
- 3-(5-(3-Nitrophenyl)furan-2-yl)-1-(pyrrolidin-1-yl)prop-2-en-1-one (CAS 853351-45-8)
- 2-Methyl-3-((2-nitrophenyl)thio)indolizine-1-carbaldehyde (CAS 885457-29-4)
- 3-(4-Nitrophenyl)-6-phenyl-3,4-dihydro-1,3,5-triazine-2(1H)-thione (CAS 315707-47-2)
- 5-(4-Nitrophenyl)-4-(p-tolyl)-4H-1,2,4-triazole-3-thiol (CAS 493013-14-2)
Recommended Standards
- 2,4,5-Trifluoro-N-(4-methoxy-3-nitrobenzyl)aniline (CAS 331459-73-5)
- 2-{3,5-dimethyl-1-[3-(trifluoromethyl)phenyl]-1h-pyrazol-4-yl}-2-oxoacetic acid (CAS 875156-74-4)
- 1-(2,5-Dimethyl-1-(4-nitrophenyl)-1H-pyrrol-3-yl)-2,2,2-trifluoroethan-1-one (CAS 866156-44-7)
- (αR)-α-Methyl-1-phenyl-1H-pyrazole-4-methanol (CAS 1394051-16-1)
- 6-Methyl-1H-benzo[d]imidazol-2-amine hydrobromide (CAS 1955506-59-8)
- (2-Methoxy-4-methylphenyl)boronic acid (CAS 198211-79-9)
- 5-Methyl-2-(trifluoromethyl)benzo[d]thiazole (CAS 124168-45-2)
- 1,5-Dichloro-2,3-dimethylbenzene (CAS 70172-92-8)
- 5-Amino-1-methylimidazole-4-carboxamide (CAS 21343-04-4)
- Proinsulin C-Peptide (55-89) (human) (CAS 11097-48-6)
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- 130,000+ catalog items in stock, COA supplied with every batch
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