4-((2-Hydroxy-5-nitrophenyl)amino)-4-oxobutanoic acid CAS 249277-58-5
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 249277-58-5 |
| Molecular Formula | C10H10N2O6 |
| Molecular Weight | 254.20 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
4-((2-Hydroxy-5-nitrophenyl)amino)-4-oxobutanoic acid (CAS 249277-58-5) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C10H10N2O6. Molecular weight: 254.20 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C10H10N2O6 |
| Molecular Weight | 254.20 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 |
| 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.) | 2025 |
| Nitrogen Atoms | 2 |
Related Hydroxy Standards
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- 4-((2-Hydroxy-4-nitrophenyl)amino)-4-oxobutanoic acid (CAS 249277-57-4)
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Recommended Standards
- 4-(2,4-Dinitrophenyl)butanoic acid (CAS 52120-49-7)
- 3-Bromo-5-((trimethylsilyl)ethynyl)pyridine (CAS 639011-64-6)
- 4-[4-(Trifluoromethyl)phenoxy]phenol (CAS 39634-42-9)
- 5-(Methylsulfonyl)-4-phenylpyrimidin-2-amine (CAS 106073-32-9)
- 2-(4-(Benzyloxy)-3-(trifluoromethyl)phenyl)-4,4,6-trimethyl-1,3,2-dioxaborinane (CAS 2096995-52-5)
- 5H,7H,8H-pyrano[4,3-d]pyrimidin-2-amine hydrochloride (CAS 2059971-77-4)
- 1-((1,3,5-Trimethyl-1H-pyrazol-4-yl)sulfonyl)pyrrolidin-3-amine hydrochloride (CAS 1830788-91-4)
- Methyl 2-((piperidin-4-ylmethyl)thio)acetate (CAS 1249320-76-0)
- 2-(4-(1H-Indol-3-yl)butanamido)benzoic acid (CAS 142005-16-1)
- [γ-Glu]15 Semaglutide (CAS CATO-C4X-222690)
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