5-Chloro-2-(ethanesulfonyl)aniline CAS 873980-17-7
| CAS No. | 873980-17-7 |
| Molecular Formula | C8H10ClNO2S |
| Molecular Weight | 219.69 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Structurally, 5-Chloro-2-(ethanesulfonyl)aniline (C8H10ClNO2S) contains a nitrogen-containing heterocyclic scaffold, an amide group, a sulfone group, a hydroxyl group, an ether linkage, chlorine substitution. The molecule exhibits a degree of unsaturation (DBE) of 4.0, corresponding to approximately 4 ring(s) or double-bond equivalent(s). With a molecular weight of 219.69 g/mol, it falls into the medium-molecular-weight range. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
5-Chloro-2-(ethanesulfonyl)aniline (CAS 873980-17-7), molecular formula C8H10ClNO2S and molecular weight 219.69 g/mol, is a CATO reference standard with documented purity and traceability.
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.
CATO manufactures 5-Chloro-2-(ethanesulfonyl)aniline under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C8H10ClNO2S |
| Molecular Weight | 219.69 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; 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.) | 1987 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
Related Chloro Standards
- 3-Chloro-4-(ethylsulfonyl)aniline (CAS 1016887-45-8)
- 3-chloro-4-(methanesulfonylmethyl)aniline (CAS 1044145-58-5)
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- 4-Chloro-2-((methylsulfonyl)methyl)aniline (CAS 1101063-19-7)
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Recommended Standards
- 4-Chloro-N-ethylbenzenesulfonamide (CAS 6318-34-9)
- 5-Chloro-n,2-dimethylbenzene-1-sulfonamide (CAS 36065-91-5)
- 4-Chloro-N,N-dimethylbenzenesulfonamide (CAS 7463-22-1)
- Methyl 2-chloro-5-isopropylthiazole-4-carboxylate (CAS 81569-27-9)
- Cefozopran Dihydrochloride (CAS 113359-04-9)
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- 1-(2-(3-Chloropyrazin-2-yl)pyrrolidin-1-yl)ethan-1-one (CAS 1316219-95-0)
- 5-Cyclopropoxy-2-isopropoxyaniline (CAS 1243327-89-0)
- N-(2,6-dimethylphenyl)-4-methylbenzenesulfonamide (CAS 4703-15-5)
- 1-(4-(Aminomethyl)piperazin-1-yl)ethanone (CAS 229499-79-0)
- 4-(1-Piperidinyl)benzonitrile (CAS 1204-85-9)
- 1-(bromomethyl)-3,4-dihydro-1H-2-benzopyran (CAS 99070-15-2)
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