4'-Nitro-[1,1'-biphenyl]-2,5-dione CAS 15394-91-9
| CAS No. | 15394-91-9 |
| Molecular Formula | C12H7NO4 |
| Molecular Weight | 229.19 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
4'-Nitro-[1,1'-biphenyl]-2,5-dione (C12H7NO4) contains an amino-acid-derived structure, 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. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
4'-Nitro-[1,1'-biphenyl]-2,5-dione (CAS 15394-91-9), molecular formula C12H7NO4 and molecular weight 229.19 g/mol, is a CATO reference standard with documented purity and traceability.
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
Physical & Chemical Properties
| Molecular Formula | C12H7NO4 |
| Molecular Weight | 229.19 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 methanol, acetonitrile, DMSO, water (slightly soluble) |
| 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.) | 1961 |
| Nitrogen Atoms | 1 |
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Recommended Standards
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- 1-(Pyrazolo[1,5-a]pyrazin-4-yl)-1H-imidazole-4-carboxylic acid (CAS 1707373-01-0)
- (S)-1-(4-chlorophenyl)-2-methoxyethan-1-amine (CAS 391233-78-6)
- Methyl 4-((tetrahydrofuran-2-yl)methoxy)thiophene-2-carboxylate (CAS 1710202-53-1)
- 2-(3-(Hydroxymethyl)phenoxy)acetic acid (CAS 6625-88-3)
- Methyl 5-hydroxy-8,9-dimethoxy-2,4-dimethylbenzo[c][2,7]naphthyridine-1-carboxylate (CAS 384815-57-0)
- (3-Fluoro-5-methylphenyl)(methyl)sulfane (CAS 1314902-71-0)
- 2-Bromo-N-(5-methyl-1,3,4-thiadiazol-2-yl)propanamide (CAS 842955-79-7)
- 1,2,4-Benzenetricarboxylic Acid 1,2,4-tris(7-Methyloctyl) Ester (CAS 890091-51-7)
- (1H-Pyrrolo[2,3-b]pyridin-3-yl)methanamine (CAS 933691-80-6)
- 5-(Butylamino)naphthalene-1-sulfonyl chloride (CAS 728864-87-7)
- [Ser]8-Acetylated Semaglutide (CAS CATO-C4X-2226218)
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