2-(4-(Methoxycarbonyl)phenyl)ethanesulfonic acid CAS 756469-30-4
| CAS No. | 756469-30-4 |
| Molecular Formula | C10H12O5S |
| Molecular Weight | 244.26 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.
2-(4-(Methoxycarbonyl)phenyl)ethanesulfonic acid (CAS 756469-30-4), molecular formula C10H12O5S and molecular weight 244.26 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C10H12O5S, 2-(4-(Methoxycarbonyl)phenyl)ethanesulfonic acid contains a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage, an aromatic ring system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 244.26 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
As a certified reference material (CRM), 2-(4-(Methoxycarbonyl)phenyl)ethanesulfonic 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 | C10H12O5S |
| Molecular Weight | 244.26 g/mol |
| 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 |
| Degree of Unsaturation (DBE) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1986 |
| Sulfur Atoms | 1 |
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Recommended Standards
- 2-(3-Fluoro-4-methylbenzyl)benzoic acid (CAS 313505-74-7)
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- (S)-2-amino-3,3-dimethylpent-4-enoic acid (CAS 181826-65-3)
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- [5-Methyl-6-(2-methyl-4-pyridyl)-3-pyridyl]methanamine (CAS 1354355-91-1)
- 3-(Benzylthio)-6-methyl-1,2,4-triazin-5-ol (CAS 5213-82-1)
- 2,3-Difluoropyridin-4-amine (CAS 1227602-34-7)
- Methyl N-(5-chloro-2-methoxyphenyl)-N-tosylglycinate (CAS 331725-42-9)
- 2-Methoxy-5-{[(2-methylpropyl)amino]methyl}phenol hydrochloride (CAS 1240568-44-8)
- 4-[(2,5-dimethylphenyl)thio]aniline hydrochloride (CAS 1049762-40-4)
- 1,3-Dimethyl-1,3-diphenyl-1,3-divinyldisiloxane (CAS 2627-97-6)
- Peptide Impurity 40 (CAS CATO-CPTD788840)
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