1-Iodo-2-naphthoic acid CAS 91059-43-7
| CAS No. | 91059-43-7 |
| Molecular Formula | C11H7IO2 |
| Molecular Weight | 298.08 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Based on its molecular formula C11H7IO2, 1-Iodo-2-naphthoic 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 298.08 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The high carbon-to-hydrogen ratio imparts good lipophilicity, allowing liquid-liquid extraction with non-polar solvents such as n-hexane or ethyl acetate.
1-Iodo-2-naphthoic acid (CAS 91059-43-7), molecular formula C11H7IO2 and molecular weight 298.08 g/mol, is a CATO reference standard with documented purity and traceability.
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 1-Iodo-2-naphthoic 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 | C11H7IO2 |
| Molecular Weight | 298.08 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 tightly closed to prevent evaporation |
| 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) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1983 |
| Halogen Content | I-containing |
Related Iodo Standards
- (4-Iodo-1H-pyrazol-1-yl)(phenyl)methanone (CAS 116228-38-7)
- 5-Iodo-4-phenoxypyrimidine (CAS 1245648-78-5)
- 5-Iodo-2-phenylpyrimidin-4(3H)-one (CAS 1266480-00-5)
- 4-(4-Iodo-1h-pyrazol-1-yl)benzaldehyde (CAS 1340091-32-8)
- 3-(4-Iodo-1h-pyrazol-1-yl)benzaldehyde (CAS 1343233-80-6)
- 8-Iodo-1-naphthoic acid (CAS 13577-19-0)
- 2-Iodo-1-naphthoic acid (CAS 17542-06-2)
- 3-Iodo-2-naphthoic acid (CAS 63212-42-0)
Recommended Standards
- 2-Bromo-7-(trifluoromethyl)thieno[3,2-c]pyridin-4(5H)-one (CAS 1956326-86-5)
- 2-(3-Iodophenoxy)pyrimidine (CAS 886362-02-3)
- Ethyl (5-(iodomethyl)-4,5-dihydrooxazol-2-yl)carbamate (CAS 188193-29-5)
- 2-(4-Iodophenoxy)pyrimidine (CAS 330792-86-4)
- tert-Butyl 6-(methylamino)-2-azaspiro[3.4]octane-2-carboxylate (CAS 2770982-13-1)
- 2-(3-Methoxyphenyl)-1,3,4-oxadiazole (CAS 5378-30-3)
- 4-(2-Aminoethyl)-6-(trifluoromethyl)pyridin-2-amine (CAS 1393576-42-5)
- 4,4,5,5-Tetramethyl-2-(3-((trifluoromethyl)sulfonyl)phenyl)-1,3,2-dioxaborolane (CAS 1356944-00-7)
- Lithium 6,7-dihydro-4H-pyrano[4,3-d]thiazole-2-carboxylate (CAS 259810-15-6)
- 1-Methylpiperidine-3,5-diol (CAS 408330-34-7)
- 3'-Cyano-4-fluoro-[1,1'-biphenyl]-2-carboxylic acid (CAS 1183275-64-0)
- tert-Butyl (trans-4-((tetrahydro-2H-pyran-4-yl)amino)cyclohexyl)carbamate (CAS 1228947-20-3)
- 2-Ethyl 4-methyl pyridine-2,4-dicarboxylate (CAS 110911-05-2)
- Semaglutide impurity 44 (CAS CATO-C4X-222644)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 18665070610 / Nicole.chen@cato-chem.com