2-(2-Chlorophenyl)-2-methoxyacetic Acid CAS 35599-96-3
| CAS No. | 35599-96-3 |
| Molecular Formula | C9H9ClO3 |
| Molecular Weight | 200.62 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Owing to a carboxylic acid group, a hydroxyl group, an ether linkage, chlorine substitution, an aromatic ring system, 2-(2-Chlorophenyl)-2-methoxyacetic Acid is typically off-white to pale yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 200.62 g/mol — guide the selection of appropriate sample preparation and analytical techniques. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
2-(2-Chlorophenyl)-2-methoxyacetic Acid (CAS 35599-96-3) is a high-purity analytical reference standard with the molecular formula C9H9ClO3 and a molecular weight of 200.62 g/mol.
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.
As a certified reference material (CRM), 2-(2-Chlorophenyl)-2-methoxyacetic 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 | C9H9ClO3 |
| Molecular Weight | 200.62 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, keep tightly closed to prevent evaporation |
| 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.) | 1967 |
| Halogen Content | Cl-containing |
Related Chlorophenyl Standards
- (S)-2-(2-Chlorophenyl)-2-hydroxypropionic Acid (CAS 1215178-12-3)
- (R)-2-(2-Chlorophenyl)-2-hydroxypropionic Acid (CAS 1215178-13-4)
- 3-(2-Chlorophenyl)-3-hydroxypropanoic acid (CAS 121669-89-4)
- (S)-2-(4-Chlorophenyl)-2-hydroxypropanoic acid (CAS 1227210-79-8)
- Methyl 2-(3-chlorophenyl)-2-hydroxyacetate (CAS 13305-18-5)
- Methyl 2-(4-chlorophenyl)-2-hydroxyacetate (CAS 13305-19-6)
- 3-(2-Chlorophenyl)-2-hydroxypropionic Acid (CAS 133373-31-6)
- 3-(3-Chlorophenyl)-2-hydroxypropionic Acid (CAS 139546-79-5)
Recommended Standards
- 2-(2-Chlorophenoxy)propionic acid (CAS 25140-86-7)
- 2-(3-Chloro-2-methoxyphenyl)acetic acid (CAS 925252-80-8)
- 2-(2-Chlorophenoxy)acetohydrazide (CAS 36304-40-2)
- 2-(3-Chloro-2-methylphenoxy)acetic acid (CAS 579-64-6)
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