((5-Chlorobenzo[b]thiophen-3-yl)methyl)triphenylphosphonium bromide CAS 175203-96-0
| CAS No. | 175203-96-0 |
| Molecular Formula | C27H21ClPS |
| Molecular Weight | N/A |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Based on its molecular formula C27H21ClPSBr, ((5-Chlorobenzo[b]thiophen-3-yl)methyl)triphenylphosphonium bromide contains sulfur-containing functionality, organophosphorus functionality, chlorine/bromine substitution, a polycyclic aromatic system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 523.85 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.
((5-Chlorobenzo[b]thiophen-3-yl)methyl)triphenylphosphonium bromide (CAS 175203-96-0), molecular formula C27H21ClPSBr and molecular weight 523.85 g/mol, is a CATO reference standard with documented purity and traceability.
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), ((5-Chlorobenzo[b]thiophen-3-yl)methyl)triphenylphosphonium bromide 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 | C27H21ClPS Br |
| Molecular Weight | 523.85 g/mol |
| Purity | 97%+ |
| Storage | Store at room temperature, protect from light |
| 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) | 16.5 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2007 |
| Halogen Content | Cl/Br-containing |
| Sulfur Atoms | 1 |
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Recommended Standards
- 1-(2-Hydroxyethyl)-2-oxo-1,2-dihydropyridine-4-carboxylic acid (CAS 1510309-88-2)
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- Ethyl 2-bromo-4-phenylthiazole-5-carboxylate (CAS 177328-30-2)
- 2-(3-Chlorophenyl)pyrazine (CAS 108030-82-6)
- N-((1-Methyl-1H-pyrazol-5-yl)methyl)-3-morpholinopropan-1-amine dihydrochloride (CAS 1856035-76-1)
- 3-(Diethylamino)phenol oxalate (CAS 6281-02-3)
- N-methyl-4-(piperidin-4-yl)benzamide hydrochloride (CAS 2064217-81-6)
- Isradipine lactone (CAS 1076198-34-9)
- tert-Butyl N-(2-aminocycloheptyl)carbamate (CAS 1193390-16-7)
- Tirzepatide Impurity 50 (CAS CATO-C4X-324050)
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