3-Iodo-4-methoxy-1H-indole CAS 1027787-77-4
| CAS No. | 1027787-77-4 |
| Molecular Formula | C9H8INO |
| Molecular Weight | 273.07 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.
3-Iodo-4-methoxy-1H-indole (CAS 1027787-77-4) is a high-purity analytical reference standard with the molecular formula C9H8INO and a molecular weight of 273.07 g/mol.
Structurally, 3-Iodo-4-methoxy-1H-indole (C9H8INO) contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage, iodine substitution. The molecule exhibits a degree of unsaturation (DBE) of 6.0, corresponding to approximately 6 ring(s) or double-bond equivalent(s). With a molecular weight of 273.07 g/mol, it falls into the medium-molecular-weight range. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
As a certified reference material (CRM), 3-Iodo-4-methoxy-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 | C9H8INO |
| Molecular Weight | 273.07 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor, faint amine-like odor) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1988 |
| Halogen Content | I-containing |
| Nitrogen Atoms | 1 |
Related Iodo Standards
- 3-Iodo-6-methyl-1H-indazol-5-amine (CAS 1000343-40-7)
- 7-Iodo-6-methyl-1H-indazol-3-amine (CAS 1067904-72-6)
- 3-Iodo-1-methyl-1H-indazol-5-amine (CAS 1130309-72-6)
- 5-Iodo-1-methyl-1H-indazol-3-amine (CAS 1227955-23-8)
- 6-Iodo-2-methylisoindolin-1-one (CAS 1228774-21-7)
- 5-Iodo-2-methylisoindolin-1-one (CAS 1228775-66-3)
- 5-Iodo-1-methylindolin-2-one (CAS 1332583-82-0)
- 3-Iodo-6-methoxy-1H-indole (CAS 1333469-84-3)
Recommended Standards
- 6-Amino-7-iodo-2,3-dihydro-1H-inden-1-one (CAS 1000333-93-6)
- Methyl 3-bromo-6-fluoro-1H-indazole-4-carboxylate (CAS 885522-87-2)
- 1-Bromo-2-(difluoromethoxy)naphthalene (CAS 1179597-64-8)
- Methyl 3-bromo-4-fluoro-1H-indazole-6-carboxylate (CAS 885521-41-5)
- Diethyl 2-(azetidin-3-yl)malonate (CAS 2167887-25-2)
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