3-chloro-2-[(difluoromethyl)sulfanyl]aniline hydrochloride CAS 1240527-68-7
| CAS No. | 1240527-68-7 |
| Molecular Formula | C7H6ClF2NS |
| Molecular Weight | N/A |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of 3-chloro-2-[(difluoromethyl)sulfanyl]aniline hydrochloride is closely related to a nitrile group, sulfur-containing functionality, fluorine/chlorine substitution in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.
3-chloro-2-[(difluoromethyl)sulfanyl]aniline hydrochloride (CAS 1240527-68-7), molecular formula C7H6ClF2NSHCl and molecular weight 246.10 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C7H6ClF2NSHCl, 3-chloro-2-[(difluoromethyl)sulfanyl]aniline hydrochloride contains a nitrile group, sulfur-containing functionality, fluorine/chlorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 246.10 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.
As a certified reference material (CRM), 3-chloro-2-[(difluoromethyl)sulfanyl]aniline hydrochloride 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 | C7H6ClF2NS HCl |
| Molecular Weight | 246.10 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 |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 3.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1990 |
| Halogen Content | F/Cl-containing |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
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Recommended Standards
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- Ethyl 3,5-difluoropyridine-2-carboxylate (CAS 1065267-10-8)
- Ethyl 5,7-dichloropyrazolo[1,5-a]pyrimidine-3-carboxylate (CAS 940284-55-9)
- 4-(Difluoromethoxy)-2,5-difluoroaniline (CAS 1341923-15-6)
- 3-Cycloheptyl-2-methylpropanoic acid (CAS 1520503-31-4)
- Semaglutide impurity 290 (CAS CATO-C4X-2226290)
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