104967-35-3 8079AC C9H9ClO5S [3-(Chlorosulfonyl)-4-methoxyphenyl]acetic acid CAS 104967-35-3
| CAS No. | 104967-35-3 |
| Molecular Formula | C9H9ClO5S |
| Molecular Weight | 264.68 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 264.68 g/mol gives 104967-35-3 8079AC C9H9ClO5S [3-(Chlorosulfonyl)-4-methoxyphenyl]acetic acid distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
104967-35-3 8079AC C9H9ClO5S [3-(Chlorosulfonyl)-4-methoxyphenyl]acetic acid (CAS 104967-35-3) is a high-purity analytical reference standard with the molecular formula C9H9ClO5S and a molecular weight of 264.68 g/mol.
Structurally, 104967-35-3 8079AC C9H9ClO5S [3-(Chlorosulfonyl)-4-methoxyphenyl]acetic acid (C9H9ClO5S) contains a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage, chlorine substitution, an aromatic ring system. The molecule exhibits a degree of unsaturation (DBE) of 5.0, corresponding to approximately 5 ring(s) or double-bond equivalent(s). With a molecular weight of 264.68 g/mol, it falls into the medium-molecular-weight range. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
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.
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 | C9H9ClO5S |
| Molecular Weight | 264.68 g/mol |
| 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.) | 1986 |
| Halogen Content | Cl-containing |
| Sulfur Atoms | 1 |
Recommended Standards
- 4-((2-Chlorobenzyl)oxy)-3-fluorobenzaldehyde (CAS 1021231-05-9)
- 2-Chloro-3-methoxy-4-(methylsulfonyl)benzoic acid (CAS 105917-83-7)
- 1-[2-chloro-4-(4-fluorophenoxy)phenyl]ethan-1-one (CAS 1021187-74-5)
- methyl 2-(chlorosulfonyl)-4-methoxybenzoate (CAS 108318-75-8)
- (4-(4-Aminophenyl)piperazin-1-yl)(phenyl)methanone (CAS 262375-99-5)
- Bis(3-methoxyphenyl)methanone (CAS 39193-85-6)
- (1R,3R)-3-fluorocyclopentanamine;hydrochloride (CAS 2567489-50-1)
- N-((1-Cyclopentyl-1H-pyrazol-4-yl)methyl)-1-propyl-1H-pyrazol-4-amine hydrochloride (CAS 1856081-23-6)
- 2-(Biphenyl-2-yloxy)propanoic Acid (CAS 5332-62-7)
- ((2S,3R,5R)-5-(6-Amino-9H-purin-9-yl)tetrahydrofuran-2,3-diyl)dimethanol (CAS 130469-38-4)
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- 4-(3-Methylpiperidin-1-yl)-1,2,5-thiadiazol-3-ol (CAS 1399663-04-7)
- Dapagliflozin Impurity 136 (CAS CATO-C4X-1138136)
- Semaglutide Impurity 129 (CAS 2490269-79-7)
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