7-iodo-5-nitro-2,3-dihydro-1-benzofuran CAS 181633-35-2
| CAS No. | 181633-35-2 |
| Molecular Formula | C8H6INO3 |
| Molecular Weight | 291.04 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Owing to a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage, iodine substitution, 7-iodo-5-nitro-2,3-dihydro-1-benzofuran is typically off-white to pale yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 291.04 g/mol — guide the selection of appropriate sample preparation and analytical techniques. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
7-iodo-5-nitro-2,3-dihydro-1-benzofuran (CAS 181633-35-2) is a high-purity analytical reference standard with the molecular formula C8H6INO3 and a molecular weight of 291.04 g/mol.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
As a certified reference material (CRM), 7-iodo-5-nitro-2,3-dihydro-1-benzofuran 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 | C8H6INO3 |
| Molecular Weight | 291.04 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 sealed and dry, keep tightly closed to prevent evaporation |
| 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; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2008 |
| Halogen Content | I-containing |
| Nitrogen Atoms | 1 |
Related iodo Standards
- 1-(3-Iodo-5-nitrophenyl)ethan-1-one (CAS 1393582-05-2)
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- 6-iodo-1,3-dimethyl-2,4-dioxo-1,2,3,4-tetrahydropyrimidine-5-carbonitrile (CAS 1820648-01-8)
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Recommended Standards
- 6-Acetyl-4-iodopicolinic acid (CAS 1393583-37-3)
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- 2-(6-Formyl-4-iodopyridin-2-yl)acetic acid (CAS 1393574-55-4)
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- 4-(4-Difluoromethoxy-phenyl)-butan-2-one (CAS 733044-93-4)
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- Tirofiban Impurity 67 (CAS 2713130-63-1(Free Acid))
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