2-((4-Methoxyphenyl)amino)-4-nitrobenzoic acid CAS 91-42-9
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 91-42-9 |
| Molecular Formula | C14H12N2O5 |
| Molecular Weight | 288.26 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
2-((4-Methoxyphenyl)amino)-4-nitrobenzoic acid (CAS 91-42-9) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C14H12N2O5. Molecular weight: 288.26 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C14H12N2O5 |
| Molecular Weight | 288.26 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°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) | 10.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1957 |
| Nitrogen Atoms | 2 |
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Recommended Standards
- 1,4-Diamino-9,10-dioxo-9,10-dihydroanthracene-2,3-dicarbonitrile (CAS 81-41-4)
- 2-(2-(2-Methylfuran-3-carbonyl)hydrazine-1-carbonyl)benzoic acid (CAS 356769-68-1)
- 1-(6-Methoxypyridin-3-yl)-3-(4-nitrophenyl)urea (CAS 380332-19-4)
- [4-(Diethylsulfamoyl)-3-methylphenyl]boronic acid (CAS 2377611-59-9)
- 3-Hydroxypyrrolidin-2-one (CAS 15116-68-4)
- tert-Butyl 4-(3-ethylureido)piperidine-1-carboxylate (CAS 1233952-68-5)
- (5-Chloro-2-(trifluoromethyl)phenyl)(morpholino)methanone (CAS 2413441-23-1)
- Methyl 2-amino-5-phenylthiophene-3-carboxylate (CAS 61325-02-8)
- 1-(2-Hydroxy-5-methoxypyridin-3-yl)ethan-1-one (CAS 1393554-45-4)
- Neuropeptide S (human) (CAS 412938-67-1)
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