Methyl 2-(5-iodo-2-methylphenyl)acetate CAS 880134-34-9
| CAS No. | 880134-34-9 |
| Molecular Formula | C10H11IO2 |
| Molecular Weight | 290.10 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
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.
Methyl 2-(5-iodo-2-methylphenyl)acetate (CAS 880134-34-9) is a high-purity analytical reference standard with the molecular formula C10H11IO2 and a molecular weight of 290.10 g/mol.
Owing to a carboxylic acid group, a hydroxyl group, an ether linkage, iodine substitution, an aromatic ring system, Methyl 2-(5-iodo-2-methylphenyl)acetate is typically off-white to pale yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 290.10 g/mol — guide the selection of appropriate sample preparation and analytical techniques. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
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 | C10H11IO2 |
| Molecular Weight | 290.10 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor) |
| Purity | 97%+ |
| Storage | Store at room temperature, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; 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.) | 1987 |
| Halogen Content | I-containing |
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Recommended Standards
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- 2,2,7,7-Tetramethyloctane (CAS 1071-31-4)
- 2-(Aminomethyl)-4-bromo-5-(difluoromethyl)-3-methylpyridine (CAS 1805382-07-3)
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