3-Ethoxy-5-iodo-4-[(4-methylbenzyl)oxy]benzaldehyde CAS 443289-53-0
| CAS No. | 443289-53-0 |
| Molecular Formula | C17H17IO3 |
| Molecular Weight | 396.22 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including 3-Ethoxy-5-iodo-4-[(4-methylbenzyl)oxy]benzaldehyde.
3-Ethoxy-5-iodo-4-[(4-methylbenzyl)oxy]benzaldehyde (CAS 443289-53-0) is a high-purity analytical reference standard with the molecular formula C17H17IO3 and a molecular weight of 396.22 g/mol.
Owing to a steroid core, a hydroxyl group, an ether linkage, iodine substitution, 3-Ethoxy-5-iodo-4-[(4-methylbenzyl)oxy]benzaldehyde is typically pale yellow to yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 396.22 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.
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), 3-Ethoxy-5-iodo-4-[(4-methylbenzyl)oxy]benzaldehyde 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 | C17H17IO3 |
| Molecular Weight | 396.22 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | I-containing |
Related Ethoxy Standards
- 3-Ethoxy-5-iodo-4-((2-methylbenzyl)oxy)benzaldehyde (CAS 361369-08-6)
- 2-Ethoxy-4-formyl-6-iodophenyl benzoate (CAS 432017-15-7)
- 2,5-Bis(4-ethoxy-3-methoxyphenyl)-3,4-dimethylfuran (CAS 749-33-7)
- N'-(3-Ethoxy-4-hydroxybenzylidene)-3-(3-nitrophenyl)-1H-pyrazole-5-carbohydrazide (CAS 302918-46-3)
- Ethyl 5-((7-ethoxy-7-oxoheptyl)-oxy)-4-methoxy-2-nitrobenzoate (CAS 1012067-92-3)
- 4-Ethoxy-3-(8-methoxy-4-oxo-3,4-dihydroquinazolin-2-yl)benzene-1-sulfonyl chloride (CAS 150479-72-4)
- 4-((4-Ethoxy-2,3-difluorophenoxy)methyl)-4'-propyl-1,1'-bi(cyclohexane) (CAS 123560-52-1)
- 5-(8-Ethoxy-2-oxo-2H-chromen-3-yl)-8-thia-4,6-diazatricyclo[7.4.0.0^{2,7}]trideca-1(9),2(7),5-trien-3-one (CAS 313985-92-1)
Recommended Standards
- 4-[4-(3,4-Dichlorophenyl)piperazin-1-yl]-3-nitrobenzoic acid (CAS 478246-62-7)
- 2-(4-Iodophenyl)-1-phenylbenzimidazole (CAS 760212-42-8)
- Ethyl 2-amino-4-(2,6-dichlorophenyl)-7-methyl-5-oxo-4H,5H-pyrano[4,3-b]pyran-3-carboxylate (CAS 317840-11-2)
- 2,4-Difluoro-N-[5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-3-pyridinyl]benzenesulfonamide (CAS 1092565-35-9)
- (-)-Salsolinol (CAS 27740-96-1)
- 2-{[4-phenyl-5-(3,4,5-trimethoxyphenyl)-4h-1,2,4-triazol-3-yl]sulfanyl}acetohydrazide (CAS 70452-65-2)
- N-(3-Bromophenyl)-N-phenyl-Thiourea (CAS 17371-67-4)
- Isavuconazole Impurity 38 (CAS 32399-12-5)
- 2-(4-(2-Chlorophenyl)piperazin-1-yl)-N-hydroxyacetimidamide (CAS 1158131-00-0)
- 5-Bromo-3-(3-fluorophenyl)-1-methyl-1H-pyrazole (CAS 1245130-33-9)
- (butan-2-yl)(methoxy)amine hydrochloride (CAS 1421602-73-4)
- 6-Azido-hexanoic acid (CAS 79598-53-1)
- 2-Mercapto-3-methyl-5-phenyl-3H-thieno[2,3-d]pyrimidin-4-one (CAS 132605-23-3)
- Heptapeptide-6 (CAS CATO-CPTD788823)
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