4-((1S)-Carboxy(((1-(2-nitrophenyl)ethoxy)carbonyl)amino)methyl)phthalic acid CAS 1257323-85-5
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 1257323-85-5 |
| Molecular Formula | C19H16N2O10 |
| Molecular Weight | 432.34 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
High-purity 4-((1S)-Carboxy(((1-(2-nitrophenyl)ethoxy)carbonyl)amino)methyl)phthalic acid (CAS 1257323-85-5) pharmaceutical standards reference standard. Molecular formula: C19H16N2O10. Molecular weight: 432.34 g/mol. Produced by CATO, one of China's leading reference material manufacturers, with COA documentation and global shipping.
Physical & Chemical Properties
| Molecular Formula | C19H16N2O10 |
| Molecular Weight | 432.34 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°C), protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 13.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1990 |
| Nitrogen Atoms | 2 |
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Recommended Standards
- Lesinurad Impurity 8 (CAS 1158970-52-5)
- 194145-29-4 7H-Furo[3,2-g][1]benzopyran-7-one,9- hydroxy-4-[(4-methoxy-7-oxo-7H-furo[3,2- g][1]benzopyran-9-yl)oxy]- (CAS 194145-29-4)
- Tedizolid Impurity 23 (CAS CATO-C4X-105423)
- Methyl 3-(isoxazol-3-ylmethyl)-2-oxo-2,3-dihydrobenzo[d]oxazole-5-carboxylate (CAS 1020243-01-9)
- (R)-tert-butyl 2-(1-(3,4-difluoro-2-((2-fluoro-4-iodophenyl)amino)benzoyl)-3-hydroxyazetidin-3-yl)piperidine-1-carboxylate (CAS 934665-56-2)
- tert-Butyl 8-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-3,4-dihydro-1H-pyrido[4,3-b]indole-2(5H)-carboxylate (CAS 1253968-35-2)
- 2-(4-Fluorocyclohexyl)-2-methylpropanoic acid (CAS 1785043-75-5)
- 2,2-Difluorohex-5-enoic acid (CAS 60800-95-5)
- 6-(4-Ethoxy-2-methylphenyl)-3,5-dimethylimidazo[2,1-b]thiazole-2-carboxylic acid (CAS 1437436-07-1)
- Exenatide (CAS 141758-74-9)
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