3,5-Diiodo-2-methoxybenzoic acid CAS 19094-55-4
| CAS No. | 19094-55-4 |
| Molecular Formula | C8H6I2O3 |
| Molecular Weight | 403.94 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 3,5-Diiodo-2-methoxybenzoic acid (CAS 19094-55-4), a certified reference material (molecular formula C8H6I2O3, MW 403.94 g/mol) for analytical method development and quality control.
Based on its molecular formula C8H6I2O3, 3,5-Diiodo-2-methoxybenzoic 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 403.94 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. 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.
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 | C8H6I2O3 |
| Molecular Weight | 403.94 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor, low volatility) |
| 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.) | 1962 |
| Halogen Content | I-containing |
Related Diiodo Standards
- 3,5-Diiodo-4-hydroxyphenylacetic Acid (CAS 1948-39-6)
- 4,5-Diiodo-1-(oxan-2-yl)pyrazole (CAS 1403483-65-7)
- 4,5-Diiodo-2-isobutylpyridazin-3(2H)-one (CAS 1706458-39-0)
- (3,5-Diiodo-2-methoxyphenyl)boronic acid (CAS 1072951-59-7)
- 2-(3,5-Diiodo-4-methoxyphenyl)ethanamine (CAS 89631-86-7)
- 3,5-Diiodo-4-pyridone-1-acetic Acid (CAS 101-29-1)
- 1,3-Diiodo-2-methoxy-5-nitrobenzene (CAS 31106-75-9)
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Recommended Standards
- Methyl 2-hydroxy-3,5-diiodobenzoate (CAS 18071-50-6)
- 3-(2-Chlorobenzyl)-6,7-dimethoxy-2-(propylthio)quinazolin-4(3H)-imine (CAS 860610-74-8)
- 2-Hydroxy-3,5-diiodobenzohydrazide (CAS 89011-15-4)
- 3-(2-Chlorobenzyl)-2-(isopropylthio)-6,7-dimethoxyquinazolin-4(3H)-imine (CAS 860610-73-7)
- 2',4,4'-Trichloro-[1,1'-biphenyl]-3-ol (CAS 1227375-87-2)
- 3-(4-Methoxybenzamido)isonicotinic acid (CAS 1478831-20-7)
- 1-(6-(3-Bromophenyl)-[1,2,4]triazolo[4,3-b]pyridazin-3-yl)-2-methylpropan-1-amine (CAS 1706459-25-7)
- 5,7-Dichloro-8-hydroxyquinoline-2-carbaldehyde (CAS 24010-07-9)
- N-(5-Oxo-1-(p-tolyl)pyrrolidin-3-yl)pentanamide (CAS 896363-93-2)
- 5-(3,4-Dimethoxyphenyl)-4-(4-ethoxyphenyl)-2,4-dihydro-3h-1,2,4-triazole-3-thione (CAS 122772-24-1)
- n-Cyclohexyl-4,5-dimethylthiophene-2-carboxamide (CAS 832736-51-3)
- tert-Butyl 2-cyclohexylideneacetate (CAS 53138-75-3)
- (4-Chlorophenyl)(1-hydroxycyclopentyl)methanone (CAS 1696839-44-7)
- Anti-Inflammatory Peptide 2 (CAS 118850-72-9)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
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