(4-Chloro-2-fluorobenzyl)(4-fluorophenyl)sulfane CAS 1443331-37-0
| CAS No. | 1443331-37-0 |
| Molecular Formula | C13H9ClF2S |
| Molecular Weight | 270.73 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
(4-Chloro-2-fluorobenzyl)(4-fluorophenyl)sulfane (CAS 1443331-37-0) is a high-purity analytical reference standard with the molecular formula C13H9ClF2S and a molecular weight of 270.73 g/mol.
Owing to sulfur-containing functionality, fluorine/chlorine substitution, an aromatic ring system, (4-Chloro-2-fluorobenzyl)(4-fluorophenyl)sulfane is typically pale yellow to yellow low-melting solid. Its solid-state physicochemical attributes — including a molecular weight of 270.73 g/mol — guide the selection of appropriate sample preparation and analytical techniques. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
As a certified reference material (CRM), (4-Chloro-2-fluorobenzyl)(4-fluorophenyl)sulfane 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 | C13H9ClF2S |
| Molecular Weight | 270.73 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1992 |
| Halogen Content | F/Cl-containing |
| Sulfur Atoms | 1 |
Related Chloro Standards
- n-(5-Chloro-2-fluorophenyl)-2-(cyclopentylamino)acetamide (CAS 1183615-67-9)
- 3-Chloro-5-fluoro-N-(piperidin-4-ylmethyl)benzamide (CAS 1391051-83-4)
- (3-Chloro-4-fluorophenyl)(4-fluorobenzyl)sulfane (CAS 1443302-30-4)
- (3-Chloro-5-fluorophenyl)(4-fluorobenzyl)sulfane (CAS 1443302-39-3)
- (2-Chloro-4-fluorobenzyl)(4-fluorophenyl)sulfane (CAS 1443303-46-5)
- (2-Chloro-6-fluorobenzyl)(3-fluorophenyl)sulfane (CAS 1443303-60-3)
- (3-Chloro-2-fluorobenzyl)(3-fluorophenyl)sulfane (CAS 1443312-65-9)
- (3-Chloro-4-fluorobenzyl)(3-fluorophenyl)sulfane (CAS 1443312-78-4)
Recommended Standards
- (3-Chlorobenzyl)(3,5-difluorophenyl)sulfane (CAS 1443327-99-8)
- (4-Chloro-3-fluorobenzyl)(4-fluorophenyl)sulfane (CAS 1443331-48-3)
- (4-Chloro-3-fluorophenyl)(2-fluorobenzyl)sulfane (CAS 1443327-31-8)
- (4-Chlorophenyl)(3,4-difluorobenzyl)sulfane (CAS 1443336-87-5)
- N-(3-nitrophenyl)piperidine-4-carboxamide (CAS 883106-61-4)
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