4-Nitro-1H-indole-3-carbonitrile CAS 4770-00-7
| CAS No. | 4770-00-7 |
| Molecular Formula | C9H5N3O2 |
| Molecular Weight | 187.15 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-1H-indole-3-carbonitrile (CAS 4770-00-7), molecular formula C9H5N3O2 and molecular weight 187.15 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C9H5N3O2, 4-Nitro-1H-indole-3-carbonitrile contains an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 187.15 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. 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).
CATO manufactures 4-Nitro-1H-indole-3-carbonitrile under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C9H5N3O2 |
| Molecular Weight | 187.15 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (faint amine-like odor) |
| 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) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1958 |
| Nitrogen Atoms | 3 |
Related Nitro Standards
- 4-Nitro-1H-indole-6-carbonitrile (CAS 1082041-51-7)
- 4-Nitro-1H-indole-2-carbonitrile (CAS 120975-30-6)
- 3-(2-Nitro-1H-imidazol-1-yl)propane-1,2-diol (CAS 13551-92-3)
- 6-Nitro-1h-indole-5-carbonitrile (CAS 1423120-44-8)
- 7-Nitro-1H-indole-3-carbonitrile (CAS 165669-10-3)
- 3-Nitro-1H-indole-5-carbonitrile (CAS 887202-39-3)
- Methyl 5-Nitro-2-thiophenecarboxylate (CAS 5832-01-9)
- 8-Nitro-1,4-dioxaspiro[4.5]decane (CAS 635728-10-8)
Recommended Standards
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- 4-Hydroxy-2-methyl-2,3-dihydro-1H-pyrrole-1,3-dicarboxylic acid (CAS 857207-74-0)
- 5-Cyanobenzofuran-2-carboxylic Acid (CAS 84102-75-0)
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