4-Ethoxy-3-iodo-5-methoxybenzaldehyde CAS 384857-33-4
| CAS No. | 384857-33-4 |
| Molecular Formula | C10H11IO3 |
| Molecular Weight | 306.10 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
4-Ethoxy-3-iodo-5-methoxybenzaldehyde (CAS 384857-33-4), molecular formula C10H11IO3 and molecular weight 306.10 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C10H11IO3, 4-Ethoxy-3-iodo-5-methoxybenzaldehyde contains a carboxylic acid group, a hydroxyl group, an ether linkage, iodine substitution, an aromatic ring system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 306.10 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).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
Physical & Chemical Properties
| Molecular Formula | C10H11IO3 |
| Molecular Weight | 306.10 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor) |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°C), keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | I-containing |
Related Ethoxy Standards
- Methyl 4-ethoxy-3-iodobenzoate (CAS 1131588-13-0)
- Methyl 2-ethoxy-4-iodobenzoate (CAS 1246765-31-0)
- Methyl 2-ethoxy-5-iodobenzoate (CAS 193882-67-6)
- 3-Ethoxy-5-iodo-4-methoxybenzaldehyde (CAS 428483-80-1)
- Methyl 3-ethoxy-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)benzoate (CAS 1218789-54-8)
- 3-(2-Ethoxy-2-oxoethoxy)phenylboronic Acid Pinacol Ester (CAS 850411-07-3)
- Methyl 2-ethoxy-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)benzoate (CAS 851334-98-0)
- 2-EThoxy-7-nitro-4-oxo-1,4-dihydro-quinoline-3-carboxylic acid ethyl ester (CAS 83842-10-8)
Recommended Standards
- 4-(4-iodophenoxy)butanoic acid (CAS 731847-94-2)
- 4-Iodo-9H-fluoren-9-one (CAS 883-33-0)
- 4-(3-Iodophenoxy)butanoic acid (CAS 91426-44-7)
- 5-Iodo-1,10-phenanthroline (CAS 630067-12-8)
- 4-Bromo-3-methoxybenzenesulfonyl Chloride (CAS 1215295-91-2)
- 2-Chloro-3-iodo-5-methoxypyridine (CAS 1227578-09-7)
- 1-Methyl-5-oxo-2-(4-(trifluoromethyl)phenyl)pyrrolidine-3-carboxylic acid (CAS 1268147-47-2)
- 2-(4-Amino-1h-pyrazol-1-yl)propanamide (CAS 1152505-85-5)
- Saxagliptin Impurity 52 HCl (CAS 709031-43-6(free base))
- p-Dimethylaminobenzylidene p-phenetidine (CAS 15484-93-2)
- 2-[1-(Cyclohexylmethyl)piperidin-4-yl]ethan-1-ol (CAS 141430-54-8)
- Methyl 4-amino-2-methyl-3-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)benzoate (CAS 2691878-87-0)
- 2-(4-Chlorophenyl)butan-2-amine (CAS 87649-89-6)
- Tirzepatide Impurity 34 (CAS CATO-C4X-324034)
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