7205-96-1 Anisole, p-[(chloromethyl)sulfonyl]- Benzene, 1-[(chloromethyl)sulfonyl]-4-methoxy- NSC-405475 NSC405475 CAS 7205-96-1
| CAS No. | 7205-96-1 |
| Molecular Formula | C8H9ClO3S |
| Molecular Weight | 220.67 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
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.
7205-96-1 Anisole, p-[(chloromethyl)sulfonyl]- Benzene, 1-[(chloromethyl)sulfonyl]-4-methoxy- NSC-405475 NSC405475 (CAS 7205-96-1) is a high-purity analytical reference standard with the molecular formula C8H9ClO3S and a molecular weight of 220.67 g/mol.
Based on its molecular formula C8H9ClO3S, 7205-96-1 Anisole, p-[(chloromethyl)sulfonyl]- Benzene, 1-[(chloromethyl)sulfonyl]-4-methoxy- NSC-405475 NSC405475 contains a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage, chlorine substitution, an aromatic ring system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 220.67 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
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.
Physical & Chemical Properties
| Molecular Formula | C8H9ClO3S |
| Molecular Weight | 220.67 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) | 4.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1959 |
| Halogen Content | Cl-containing |
| Sulfur Atoms | 1 |
Related Anisole Standards
- 459-60-9 Anisole, p-fluoro- (8CI) Benzene, 1-fluoro-4-methoxy- 4-Fluoroanisole AI3-10595 EINECS 207-295-7 p-Fluoroanisole p-Fluoromethoxybenzene 1-Fluoro-4-methoxybenzene p-Fluorophenyl methyl ether p-Methoxyfluorobenzene NSC 4672 (CAS 459-60-9)
- Anisole-d8 (CAS 54887-54-6)
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Recommended Standards
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- (1-Methylcyclopropyl)methyl 4-methylbenzenesulfonate (CAS 13033-53-9)
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- 8-Fluoro-5-methylquinoline-2-carbaldehyde (CAS 1420799-99-0)
- 22705-26-6 Acetoxybenzene NSC 27795 Phenol Acetate Phenyl Acetate Phenyl Acetic Acid Ester (CAS 22705-26-6)
- 3,3'-(Ethyne-1,2-diyl)dibenzoic acid (CAS 75077-81-5)
- Methyl 6-fluoro-3-oxo-3,3a-dihydro-2H-indazole-4-carboxylate (CAS 885522-84-9)
- 1-Ethyl-4-(trifluoromethyl)piperidin-4-amine (CAS 1341292-06-5)
- 4-(5-(1,3-Dioxolan-2-yl)thiophene-2-carbonyl)benzonitrile (CAS 898778-22-8)
- Custom peptides (CAS CATO-CPTD788509)
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