Ethyl 5-iodo-2,4-dimethoxybenzoate CAS 1131587-49-9
| CAS No. | 1131587-49-9 |
| Molecular Formula | C11H13IO4 |
| Molecular Weight | 336.12 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 Ethyl 5-iodo-2,4-dimethoxybenzoate.
Ethyl 5-iodo-2,4-dimethoxybenzoate (CAS 1131587-49-9), molecular formula C11H13IO4 and molecular weight 336.12 g/mol, is a CATO reference standard with documented purity and traceability.
Owing to a carboxylic acid group, a hydroxyl group, an ether linkage, iodine substitution, an aromatic ring system, Ethyl 5-iodo-2,4-dimethoxybenzoate is typically off-white to pale yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 336.12 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.
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.
CATO manufactures Ethyl 5-iodo-2,4-dimethoxybenzoate under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C11H13IO4 |
| Molecular Weight | 336.12 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.) | 1989 |
| Halogen Content | I-containing |
Related Ethyl Standards
- Ethyl 2-iodo-4,5-dimethoxybenzoate (CAS 1093973-19-3)
- 3-Iodo-5-methoxy-4-propoxybenzoic acid (CAS 145399-74-2)
- 7-Iodo-9H-fluorene-4-carboxylic acid (CAS 16218-33-0)
- Methyl 2-(2-iodo-3,4-dimethoxyphenyl)acetate (CAS 1806331-60-1)
- Ethyl 2-iodo-4,6-dimethoxybenzoate (CAS 1806353-32-1)
- Ethyl 2-iodo-3,4-dimethoxybenzoate (CAS 210538-61-7)
- 9-Benzyl-6-iodo-9H-purine (CAS 83135-13-1)
- Ethyl 2-((5-iodo-2,6-dimethylpyrimidin-4-yl)oxy)acetate (CAS 677749-39-2)
Recommended Standards
- 4-(2-Ethoxyethoxy)-3-iodobenzoic acid (CAS 1131614-52-2)
- 3-Bromo-1-(4-methoxybenzyl)-5-(trifluoromethyl)-1H-1,2,4-triazole (CAS 2795110-71-1)
- 4,5-Diethoxy-2-iodobenzoic acid (CAS 133682-08-3)
- 5-(2,4-Dichlorophenoxy)-1-methyl-3-(trifluoromethyl)-1H-pyrazole-4-carbonitrile (CAS 318469-11-3)
- 8-Fluoro-2,7-dimethylquinolin-5-amine (CAS 1420790-43-7)
- (5-(3-((tert-Butoxycarbonyl)amino)propanamido)pyridin-3-yl)boronic acid (CAS 1171897-31-6)
- 1-(2,6-Dibromopyridin-3-yl)thiourea (CAS 1355241-48-3)
- 2-Amino-N-benzyl-N-ethyl-2-methylpropanamidehydrochloride (CAS 1219972-62-9)
- Methyl (Z)-3-(((Trifluoromethyl)sulfonyl)oxy)but-2-enoate (CAS 136384-96-8)
- (R)-2-Amino-1-(3-(benzyl(methyl)amino)piperidin-1-yl)ethanone (CAS 1354003-36-3)
- 2-Methyl-3-phenylpyridine (CAS 3256-89-1)
- 2-Chloro-3-methyl-5-nitrobenzenesulfonamide (CAS 916737-72-9)
- 4-Chloro-2-[(4-chlorophenyl)methyl]-5-(4-fluorophenyl)thieno[2,3-d]pyrimidine (CAS 867329-94-0)
- Semaglutide impurity 270 (CAS CATO-C4X-2226270)
Why CATO?
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