4-((4-Nitrophenyl)amino)-4-oxobut-2-enoic acid CAS 36847-91-3
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 36847-91-3 |
| Molecular Formula | C10H8N2O5 |
| Molecular Weight | 236.18 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
4-((4-Nitrophenyl)amino)-4-oxobut-2-enoic acid (CAS 36847-91-3) is a pharmaceutical standards certified reference material from CATO. Molecular formula: C10H8N2O5. Molecular weight: 236.18 g/mol. ISO 17034 accredited production ensures traceable purity and reliable analytical results.
Physical & Chemical Properties
| Molecular Formula | C10H8N2O5 |
| Molecular Weight | 236.18 g/mol |
| Appearance | Pale yellow to 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 |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1967 |
| Nitrogen Atoms | 2 |
Related Nitrophenyl Standards
- (2E)-4-[(4-Nitrophenyl)amino]-4-oxobut-2-enoic acid (CAS 37904-21-5)
- 3-(2-Nitrophenyl)-4,5-dihydro-1,2-oxazole-5-carboxylic acid (CAS 958891-04-8)
- 3-(3-Nitrophenyl)-4,5-dihydro-1,2-oxazole-5-carboxylic acid (CAS 443907-70-8)
- 3-(4-Nitrophenyl)-4,5-dihydro-1,2-oxazole-5-carboxylic acid (CAS 508182-18-1)
- 4-((2-Nitrophenyl)amino)-4-oxobut-2-enoic acid (CAS 42537-58-6)
- 1-(4-Nitrophenyl)dihydro-1H,3H,5H-oxazolo[3,4-c]oxazole (CAS 110973-83-6)
- (4-Nitrophenyl)-l-proline (CAS 122092-18-6)
- 1-(4-Nitrophenyl)pyrrolidine-2-carboxylic acid (CAS 1301738-56-6)
Recommended Standards
- 4-(4-Nitrobenzyl)oxazolidine-2,5-dione (CAS 61777-05-7)
- 5,5'-Methylenebis(furan-2-carboxylic acid) (CAS 91136-80-0)
- 3-(3-Nitro-phenylcarbamoyl)-acrylic acid (CAS 42537-57-5)
- 1,2-Dichloro-3-(trifluoromethoxy)benzene (CAS 151276-09-4)
- (S)-2,3,4,5-Tetrahydro-1H-benzo[b]azepin-5-amine (CAS 294196-07-9)
- 4-Iodo-5-methylthiazole (CAS 1401963-24-3)
- 5-Bromo-6-fluoro-1H-indazole-3-carboxylic acid (CAS 1360928-47-7)
- 2-Methoxy-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)nicotinaldehyde (CAS 1309982-40-8)
- Vortioxetine impurity 114 HCl (CAS 3077786-27-4)
- D-Glu3-Tirzepatide (CAS CATO-CPTD788927)
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