(4-Amino-3-nitrophenyl)(4-methylphenyl)-methanone CAS 31431-28-4
| CAS No. | 31431-28-4 |
| Molecular Formula | C14H12N2O3 |
| Molecular Weight | 256.26 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), (4-Amino-3-nitrophenyl)(4-methylphenyl)-methanone meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
(4-Amino-3-nitrophenyl)(4-methylphenyl)-methanone (CAS 31431-28-4), molecular formula C14H12N2O3 and molecular weight 256.26 g/mol, is a CATO reference standard with documented purity and traceability.
(4-Amino-3-nitrophenyl)(4-methylphenyl)-methanone (C14H12N2O3) contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage. It is notably hygroscopic, the carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C14H12N2O3 |
| Molecular Weight | 256.26 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.) | 1965 |
| Nitrogen Atoms | 2 |
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Recommended Standards
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- 2-(Tetrahydro-2h-thiopyran-4-yl)propanoic acid (CAS 1368182-78-8)
- 1401532-61-3 tert-Butyl N-methyl-N-[4-[[3-(4-pyridyl)phenyl]methylamino]cyclohexyl]carbamate (CAS 1401532-61-3)
- 6-Methoxy-2-(pyridin-2-yl)quinolin-5-ol (CAS 60582-45-8)
- (6-Aminopyridin-2-yl)(3-ethylpiperidin-1-yl)methanone (CAS 1839734-53-0)
- 6A-phenyldihydrofuro[2,3-b]furan-2,5(3H,6aH)-dione (CAS 100953-23-9)
- N-ACETYL-2-HYDROXYBENZAMIDE (CAS 487-48-9)
- Methyl 5-(2,3-dichlorophenyl)-1,3-oxazole-4-carboxylate (CAS 1820686-76-7)
- 3-(4-Bromophenyl)-1-ethyl-1H-pyrazole HCl (CAS 1403483-87-3)
- 5-[2-(Methylsulfanyl)phenyl]-3-[3-(trifluoromethyl)phenyl]-1,2,4-oxadiazole (CAS 339015-63-3)
- Vialox Peptide(Pentapeptide-3) diacetate (CAS 725232-44-0)
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