6-Nitrobenzoxazole-2(3H)-one CAS 4694-91-1
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 4694-91-1 |
| Molecular Formula | C7H4N2O4 |
| Molecular Weight | 180.12 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 6-Nitrobenzoxazole-2(3H)-one (CAS 4694-91-1), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C7H4N2O4. Molecular weight: 180.12 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C7H4N2O4 |
| Molecular Weight | 180.12 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (faint amine-like odor) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO, water |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1958 |
| Nitrogen Atoms | 2 |
Related Nitrobenzoxazole Standards
- 4-Nitrobenzoxazole-2(3H)-one (CAS 28955-71-7)
- 2-Methyl-4-nitrobenzoxazole (CAS 478553-83-2)
- 2-Methyl-5-nitrobenzoxazole (CAS 32046-51-8)
- 2-Methyl-6-nitrobenzoxazole (CAS 5683-43-2)
- 2-Ethyl-6-nitrobenzoxazole (CAS 13243-39-5)
- 2-Ethyl-4-nitrobenzoxazole (CAS 477603-34-2)
- 2-Ethyl-5-nitrobenzoxazole (CAS 204771-74-4)
- 4-Nitrobenzoxazole-2-methanamine (CAS 1510253-71-0)
Recommended Standards
- 6-Nitrobenzo[d]isoxazol-3(2h)-one (CAS 36238-81-0)
- 6-Oxo-6,7-dihydro-3H-purine-8-carboxylic acid (CAS 98141-78-7)
- 6-Nitro-[1,2,4]triazolo[1,5-a]pyrimidin-2-amine (CAS 80773-01-9)
- 4-Hydrazinyl-6-methoxypyrimidine (CAS 23905-80-8)
- 2-Methyl-3-(4-methylpiperidin-1-yl)propanehydrazide (CAS 744243-56-9)
- 5-(4-methylpiperidin-1-yl)-1,3,4-thiadiazol-2-amine (CAS 71125-48-9)
- 2,2-Bis(ethylthio)acetamide (CAS 89450-18-0)
- 3-[2-(methylamino)ethyl]-1,3-oxazolidin-2-one hydrochloride (CAS 1394040-78-8)
- [1,2,4]Triazolo[4,3-a]pyridine-3-carboxamide (CAS 4919-09-9)
- Neuropeptide GE (CAS 134748-04-2)
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 13829788188 / jacky.chen@cato-chem.com