4-Nitro-5-phenyl-1H-indole CAS 160096-30-0
| CAS No. | 160096-30-0 |
| Molecular Formula | C14H10N2O2 |
| Molecular Weight | 238.24 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
4-Nitro-5-phenyl-1H-indole (CAS 160096-30-0), molecular formula C14H10N2O2 and molecular weight 238.24 g/mol, is a CATO reference standard with documented purity and traceability.
Owing to a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage, 4-Nitro-5-phenyl-1H-indole is typically pale yellow to yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 238.24 g/mol — guide the selection of appropriate sample preparation and analytical techniques. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
As a certified reference material (CRM), 4-Nitro-5-phenyl-1H-indole 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.
Physical & Chemical Properties
| Molecular Formula | C14H10N2O2 |
| Molecular Weight | 238.24 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) | 11.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2002 |
| Nitrogen Atoms | 2 |
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Recommended Standards
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- 7-Chloro-4-iodo-1H-pyrrolo[3,4-b]pyridine (CAS 1241800-23-6)
- Tert-butyl 4-((3-iodo-1H-pyrazol-4-yl)methyl)piperidine-1-carboxylate (CAS 1918197-73-5)
- 2-Bromo-5-(tert-butoxy)pyridine (CAS 1086381-32-9)
- 22934-99-2 4H-1-Benzopyran-4-one,5,7-dihydroxy-2-(3-hydroxy-4-methoxyphenyl)-6-methoxy- (CAS 22934-99-2)
- Thiobis(ethane-2,1-diyl) didodecanoate (CAS 4275-31-4)
- 2-Bromo-N-(tert-butyl)propanamide (CAS 94318-80-6)
- 5α-CHOLESTAN-3β, 7β-DIOL (CAS 566-25-6)
- 2-Aminobiphenyl-2’,3’,4’,5’,6’-d5 (CAS 64420-99-1)
- 4-Fluoro-3-(methylsulphonyl)benzonitrile (CAS 914636-47-8)
- Liraglutide Impurity 20 TFA Salt (CAS CATO-C4X-199220)
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