4-Methoxy-6-nitro-1H-indole CAS 175913-41-4
| CAS No. | 175913-41-4 |
| Molecular Formula | C9H8N2O3 |
| Molecular Weight | 192.17 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Structurally, 4-Methoxy-6-nitro-1H-indole (C9H8N2O3) contains an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 7.0, corresponding to approximately 7 ring(s) or double-bond equivalent(s). With a molecular weight of 192.17 g/mol, it falls into the medium-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
4-Methoxy-6-nitro-1H-indole (CAS 175913-41-4), molecular formula C9H8N2O3 and molecular weight 192.17 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.
As a certified reference material (CRM), 4-Methoxy-6-nitro-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 | C9H8N2O3 |
| Molecular Weight | 192.17 g/mol |
| Appearance | Off-white to pale 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 methanol, ethanol, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2007 |
| Nitrogen Atoms | 2 |
Related Methoxy Standards
- 4-Methoxy-1H-pyrrolo[3,2-c]pyridine-3-carboxylic acid (CAS 1000341-34-3)
- 2-(3-Methoxy-4-nitrophenyl)acetonitrile (CAS 104103-16-4)
- 2-(4-Methoxy-2-nitrophenyl)acetonitrile (CAS 105003-90-5)
- 5-Methoxy-7-nitro-1H-indole (CAS 10553-10-3)
- 5-Methoxy-2-methyl-3-nitrobenzonitrile (CAS 1082040-58-1)
- 6-Methoxy-1H-indazole-5-carboxylic Acid (CAS 1082041-60-8)
- 2-(3-methoxy-2-nitrophenyl)acetonitrile (CAS 111795-89-2)
- 4-Methoxy-1H-pyrrolo[2,3-b]pyridine-3-carboxylic acid (CAS 1190311-20-6)
Recommended Standards
- 7-Methoxy-4-nitro-1H-indole (CAS 175913-32-3)
- 6-(methylamino)imidazo[1,2-b]pyridazine-3-carboxylic acid (CAS 1779764-91-8)
- 5-Methoxy-6-nitro-1H-indole (CAS 175913-29-8)
- 2-(Aminomethyl)benzo[d]oxazole-7-carboxylic acid (CAS 1780195-81-4)
- 1-Morpholino-2-(3-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenoxy)ethanone (CAS 2057448-28-7)
- (2-Chloro-5-(difluoromethyl)-3-methoxypyridin-4-yl)methanamine (CAS 1807063-26-8)
- 6-Chloro-1-(p-tolyl)-2,3,4,9-tetrahydro-1h-pyrido[3,4-b]indole (CAS 529476-80-0)
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