2-(3-Nitrophenyl)benzo[d]oxazole CAS 840-56-2
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 840-56-2 |
| Molecular Formula | C13H8N2O3 |
| Molecular Weight | 240.21 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Order 2-(3-Nitrophenyl)benzo[d]oxazole (CAS 840-56-2) pharmaceutical standards reference standard from CATO: ISO 17034 accredited producer, 130,000+ catalog items in stock. Molecular formula: C13H8N2O3. Molecular weight: 240.21 g/mol. COA included with every batch.
Physical & Chemical Properties
| Molecular Formula | C13H8N2O3 |
| Molecular Weight | 240.21 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) | 11.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1957 |
| Nitrogen Atoms | 2 |
Related Nitrophenyl Standards
- 2-(4-Nitrophenyl)benzo[d]oxazole (CAS 840-58-4)
- 2-(3-Nitrophenyl)imidazo[1,2-a]pyrimidine (CAS 134044-50-1)
- 4-(3-Nitrophenyl)-1H-pyrrolo[2,3-d]pyrimidine (CAS 1443237-65-7)
- 1-(4-Nitrophenyl)-1H-benzo[d][1,2,3]triazole (CAS 4490-51-1)
- 2-(2-Nitrophenyl)-3H-imidazo[4,5-c]pyridine (CAS 75007-80-6)
- 2-(4-Nitrophenyl)-3H-imidazo[4,5-c]pyridine (CAS 75007-81-7)
- 2-(4-Nitrophenyl)imidazo[1,2-a]pyrimidine (CAS 28266-96-8)
- 7-(3-Nitrophenyl)pyrazolo[1,5-a]pyrimidine (CAS 832740-68-8)
Recommended Standards
- 11-Oxo-11H-pyrido[2,1-b]quinazoline-8-carboxylic acid (CAS 63094-28-0)
- 11-Oxo-11H-pyrido[2,1-b]quinazoline-6-carboxylic acid (CAS 4393-98-0)
- 2-(Carboxymethyl)-4,5-dimethoxybenzoic acid, >96% (CAS 3809-00-5)
- Phenyl-4-bromo-2-ethoxybenzamide (CAS 1261918-68-6)
- 2-Chloro-6-isopropylpyridine-3-boronic acid pinacol ester (CAS 1689528-51-5)
- 3-(4-Fluorophenyl)thiazolidine-2,4-dione (CAS 51964-22-8)
- 1-(2-Chloro-3-nitrophenyl)ethanone (CAS 34084-99-6)
- 3-Bromo-5-(tert-butyl)benzaldehyde (CAS 241155-85-1)
- Thymalfasin (CAS 69440-99-9)
- Palmitoyl Pentapeptide-4 (CAS 214047-00-4)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
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