(2E)-4-(3-Hydroxy-2-nitrophenyl)-4-oxo-2-butenoic Acid 224044-66-0 CAS 224044-66-0
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 224044-66-0 |
| Molecular Formula | C10H7NO6 |
| Molecular Weight | 237.17 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies (2E)-4-(3-Hydroxy-2-nitrophenyl)-4-oxo-2-butenoic Acid 224044-66-0 (CAS 224044-66-0), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C10H7NO6. Molecular weight: 237.17 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C10H7NO6 |
| Molecular Weight | 237.17 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.) | 2021 |
| Nitrogen Atoms | 1 |
Related E Standards
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- 6-Hydroxy-4,7-dimethoxybenzofuran-5-carboxamide (CAS 75000-62-3)
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Recommended Standards
- Trimethylsilyl (E)-4-bromobut-2-enoate (CAS 88239-39-8)
- 917562-02-8 7,8-Dichloro-2-methylquinolin-4-amine DTXSID00588914 (CAS 917562-02-8)
- Methyl 6-nitro-2-oxo-2,3-dihydro-1H-benzo[d]imidazole-5-carboxylate (CAS 205259-23-0)
- N-{2-[(1E)-N-hydroxyethanimidoyl]phenyl}methanesulfonamide (CAS 401829-47-8)
- 2-(Butylamino)-2-oxoethyl 5-bromonicotinate (CAS 878908-86-2)
- 4-Acetyl-3-methyl-1-phenyl-1H-pyrazol-5(4H)-one (CAS 4173-74-4)
- Urapidil Impurity 66 (CAS 2219339-64-5)
- 3,5-Dichloro-2-fluoroaniline (CAS 1394838-36-8)
- 4,8-Bis(4-chloro-5-(2-ethylhexyl)thiophen-2-yl)benzo[1,2-b:4,5-b']dithiophene (CAS 2237223-05-9)
- Semaglutide impurity 271 (CAS CATO-C4X-2226271)
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