1-Hydroxy-1,3-dioxo-1,3-dihydro-1λ5-benzo[d][1,2]iodaoxole-4-carboxylic acid CAS 426832-99-7
| CAS No. | 426832-99-7 |
| Molecular Formula | C8H5IO6 |
| Molecular Weight | 324.03 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
1-Hydroxy-1,3-dioxo-1,3-dihydro-1λ5-benzo[d][1,2]iodaoxole-4-carboxylic acid (CAS 426832-99-7) is a high-purity analytical reference standard with the molecular formula C8H5IO6 and a molecular weight of 324.03 g/mol.
Based on its molecular formula C8H5IO6, 1-Hydroxy-1,3-dioxo-1,3-dihydro-1λ5-benzo[d][1,2]iodaoxole-4-carboxylic 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 324.03 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.
CATO manufactures 1-Hydroxy-1,3-dioxo-1,3-dihydro-1λ5-benzo[d][1,2]iodaoxole-4-carboxylic acid 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 | C8H5IO6 |
| Molecular Weight | 324.03 g/mol |
| Appearance | Off-white to pale 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 methanol, ethanol, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | I-containing |
Related Hydroxy Standards
- 3-hydroxy-8-iodo-naphthalene-1-carboxylic acid (CAS 2387598-58-3)
- 4-(6-Hydroxy-1-(2,2,2-trifluoroethyl)-1H-indazol-3-yl)benzene-1,3-diol (CAS 680610-80-4)
- 2-Hydroxy-5-((5-oxo-6-phenyl-4,5-dihydro-1,2,4-triazin-3-yl)amino)benzoic acid (CAS 1417635-98-3)
- 4-(5-Hydroxy-3-(4-nitrophenyl)-1H-pyrazol-1-yl)benzamide (CAS 634199-37-4)
- 4’-Hydroxy Nimesulide (CAS 109032-22-6)
- 1-(6-Hydroxy-2-(4-methoxybenzoyl)-3-methylbenzofuran-5-yl)ethanone (CAS 106206-63-7)
- 4-Hydroxy-N-(4-methoxyphenyl)-2-oxo-1-phenyl-2,5-dihydro-1H-pyrrole-3-carboxamide (CAS 1221504-66-0)
- (S)-3-Hydroxy Warfarin (CAS 124952-36-9)
Recommended Standards
- 4-(Chloromethyl)-3-(difluoromethyl)-5-(trifluoromethoxy)picolinoyl chloride (CAS 1805183-05-4)
- S-(2,6-Dibromobenzyl) ethanethioate (CAS 256651-54-4)
- 2-(Chloromethyl)-3-(difluoromethyl)-5-(trifluoromethoxy)pyridine-4-carbonyl chloride (CAS 1804926-75-7)
- 3-Bromo-5-methyl-7-(trifluoromethyl)pyrazolo[1,5-a]pyrimidine-2-carboxylic acid (CAS 832740-70-2)
- (3-Bromo-5-fluorophenyl)(5-chloropyridin-2-yl)methanone (CAS 2097065-09-1)
- 2,2'-Azobis(2-methylbutyronitrile) (CAS 13472-08-7)
- 1-Bromo-4-methoxybutane (CAS 4457-67-4)
- 4-Methyl-N-(4-(phenylamino)phenyl)benzenesulfonamide (CAS 100-93-6)
- 2-Isopropyl-N-[2-(3-methylphenoxy)propyl]aniline (CAS 1040681-70-6)
- Sulfamide, (2-aminoethyl)-, monohydrochloride (9CI) (CAS 721969-39-7)
- 4-(((3-Methylthiophen-2-yl)methylene)amino)-3-(m-tolyl)-1H-1,2,4-triazole-5(4H)-thione (CAS 478255-58-2)
- 3-(Furan-3-yl)-N-((4-(phenylthio)tetrahydro-2H-pyran-4-yl)methyl)acrylamide (CAS 1798422-07-7)
- n,6-Dimethoxy-N-methylnicotinamide (CAS 858600-08-5)
- Semaglutide Impurity 123 (CAS 71997-93-8)
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