4-((2-Methyl-4-nitrophenyl)amino)-4-oxobutanoic acid CAS 882755-31-9
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 882755-31-9 |
| Molecular Formula | C11H12N2O5 |
| Molecular Weight | 252.22 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
4-((2-Methyl-4-nitrophenyl)amino)-4-oxobutanoic acid (CAS 882755-31-9) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C11H12N2O5. Molecular weight: 252.22 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C11H12N2O5 |
| Molecular Weight | 252.22 g/mol |
| Appearance | Off-white to pale yellow crystalline powder |
| 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.) | 1987 |
| Nitrogen Atoms | 2 |
Related Methyl Standards
- 4-Nitrophenyl morpholine-4-carboxylate (CAS 17376-42-0)
- 3-((4-Acetyl-2-nitrophenyl)amino)propanoic acid (CAS 4662-63-9)
- 3-(2-(4-Nitrophenyl)acetamido)propanoic acid (CAS 83993-28-6)
- 4-((2-Methyl-3-nitrophenyl)amino)-4-oxobutanoic acid (CAS 304481-12-7)
- 4-((2-Methyl-5-nitrophenyl)amino)-4-oxobutanoic acid (CAS 25589-49-5)
- 4-[(3-nitrophenyl)carbamoyl]butanoic acid (CAS 25901-27-3)
- Ethyl 3-((2-nitrophenyl)amino)-3-oxopropanoate (CAS 91088-48-1)
- MEthyl 3-[(3-nitrophenyl)formamido]propanoate (CAS 60247-40-7)
Recommended Standards
- 4-((3-Nitrobenzyl)amino)-4-oxobutanoic acid (CAS 910443-57-1)
- 4-(3,4-Dimethoxyphenyl)-2,4-dioxobutanoic acid (CAS 79183-93-0)
- 2-Morpholino-5-nitrobenzoic Acid (CAS 4036-83-3)
- Ethyl 2-(3,4-dimethylphenyl)thiazole-4-carboxylate (CAS 885279-24-3)
- N-Butylphthalimide (CAS 1515-72-6)
- 4-(2-(4-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)phenoxy)ethyl)morpholine (CAS 690636-28-3)
- 1-((2R,6S)-6-(hydroxymethyl)-4-tritylmorpholin-2-yl)-5-methylpyrimidine-2,4(1H,3H)-dione (CAS 914361-76-5)
- n,n-Dimethyl-5h,6h,7h,8h-pyrido[4,3-c]pyridazin-3-amine (CAS 1334147-29-3)
- 1-[3-(Dimethylamino)propyl]-5-fluoro-1H-indazol-3-amine (CAS 927802-28-6)
- Uremic Pentapeptide (CAS 71494-20-7)
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