3,3'-Oxybis(nitrobenzene) CAS 38490-83-4
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 38490-83-4 |
| Molecular Formula | C12H8N2O5 |
| Molecular Weight | 260.20 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
3,3'-Oxybis(nitrobenzene) (CAS 38490-83-4) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C12H8N2O5. Molecular weight: 260.20 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C12H8N2O5 |
| Molecular Weight | 260.20 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) | 10.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1967 |
| Nitrogen Atoms | 2 |
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- 1,1'-(Oxybis(4,1-phenylene))bis(ethan-1-one) (CAS 2615-11-4)
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Recommended Standards
- 3-(Carboxymethyl)cyclopentane-1,2,4-tricarboxylic acid (CAS 24434-90-0)
- 3,5-Bis(trifluoromethyl)thioanisole (CAS 685892-24-4)
- 1-Nitro-3-(4-nitrophenoxy)benzene (CAS 2914-72-9)
- 6-tert-butyl-2,3-dihydropyridazin-3-one (CAS 147849-82-9)
- 1-(2-Methylcyclohexyl)-1H-benzo[d]imidazole-5-carboxylic acid (CAS 903330-28-9)
- Methyl 4-amino-3-(pyridin-4-yl)butanoate (CAS 1267001-88-6)
- 4-Nitro-4'-aminodiphenyl-d4 Sulfone (CAS 1346601-85-1)
- 1-(BROMOMETHYL)-2,3,4-TRIFLUOROBENZENE 157911-55-2 2,3,4-TRIFLUOROBENZYL BROMIDE 6-(BROMOMETHYL)-1,2,3-TRIFLUOROBENZENE ALPHA-BROMO-2,3,4-TRIFLUOROTOLUENE BC002798 BENZENE, 1-(BROMOMETHYL)-2,3,4-TRIFLUORO- (CAS 157911-55-2)
- 4-ethynylcyclohexanone (CAS 1549050-50-1)
- Semaglutide impurity 331 (CAS CATO-C4X-2226231)
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