4,5-Diethoxy-2-iodobenzoic acid CAS 133682-08-3
| CAS No. | 133682-08-3 |
| Molecular Formula | C11H13IO4 |
| Molecular Weight | 336.12 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Based on its molecular formula C11H13IO4, 4,5-Diethoxy-2-iodobenzoic acid 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 336.12 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
4,5-Diethoxy-2-iodobenzoic acid (CAS 133682-08-3) is a high-purity analytical reference standard with the molecular formula C11H13IO4 and a molecular weight of 336.12 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), 4,5-Diethoxy-2-iodobenzoic acid 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 | 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.) | 1995 |
| Halogen Content | I-containing |
Related Diethoxy Standards
- (2,5-Diethoxy-4-nitrophenyl)(p-tolyl)sulfane (CAS 68400-47-5)
- (6,7-Diethoxy-3-methylbenzofuran-2-yl)(morpholino)methanone (CAS 40713-21-1)
- 2-(1,1-Diethoxy-2-methyl)propyl 4'-Nitrophenyl Carbonate-d6 (CAS 1246816-85-2)
- 3,4-Diethoxy-N-(4-phenylbutan-2-yl)benzamide (CAS 724734-52-5)
- 3,3'-Diethoxy-[1,1'-biphenyl]-4,4'-dicarboxylicacid (CAS 2051918-30-8)
- 6,7-Diethoxy-1-(2-methoxyphenyl)-3,4-dihydro-1h-2-benzopyran-3-one (CAS 639005-77-9)
- 2,2'-Diethoxy-1,1'-binaphthalene (CAS 109135-27-5)
- 2,6-Diethoxy-1,5-dihydroxyanthracene-9,10-dione (CAS 92453-57-1)
Recommended Standards
- 4-(2-Ethoxyethoxy)-3-iodobenzoic acid (CAS 1131614-52-2)
- Ethyl 4,7-dichloro-6-(difluoromethoxy)quinoline-3-carboxylate (CAS 1443288-81-0)
- Ethyl 5-iodo-2,4-dimethoxybenzoate (CAS 1131587-49-9)
- 3-Iodo-5-methoxy-4-propoxybenzoic acid (CAS 145399-74-2)
- tert-Butyl (3S,4R)-3-methyl-1,6-diazaspiro[3.4]octane-1-carboxylate (CAS 2488950-47-4)
- (4-Bromophenyl)(piperidin-3-yl)methanone (CAS 1017367-02-0)
- 2-(4-Amino-3-methylphenoxy)pyridine-3-carbonitrile (CAS 926242-17-3)
- 1-(3-Methyl-[1,2,4]triazolo[4,3-b]pyridazin-6-yl)piperidine-4-carboxylic acid (CAS 1092333-49-7)
- Mono(1,1'-bis(4-formylphenyl)-[4,4'-bipyridine]-1,1'-diium) mono(hexafluorophosphate(V)) (CAS 1690360-54-3)
- 5-(Chlorodifluoromethyl)-3-(trifluoromethyl)isoxazole-4-carboxylic acid (CAS 1421605-03-9)
- 2,3-Difluoro-6-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenol (CAS 1631756-19-8)
- (2-Isopropylphenyl)(thiophen-2-yl)methanol (CAS 1443325-09-4)
- 2-Chloro-1-(2,5-dimethylthiophen-3-yl)ethan-1-one (CAS 31772-43-7)
- Liraglutide Impurity 20 TFA Salt (CAS CATO-C4X-199220)
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