2,3,5,6-Tetrachloro-4-(dimethyl(phenyl)silyl)pyridine CAS 18359-50-7
| CAS No. | 18359-50-7 |
| Molecular Formula | C13H11Cl4NSi |
| Molecular Weight | 351.13 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of 2,3,5,6-Tetrachloro-4-(dimethyl(phenyl)silyl)pyridine is closely related to a nitrogen-containing heterocyclic scaffold, a nitrile group, chlorine substitution in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.
2,3,5,6-Tetrachloro-4-(dimethyl(phenyl)silyl)pyridine (CAS 18359-50-7) is a high-purity analytical reference standard with the molecular formula C13H11Cl4NSi and a molecular weight of 351.13 g/mol.
Based on its molecular formula C13H11Cl4NSi, 2,3,5,6-Tetrachloro-4-(dimethyl(phenyl)silyl)pyridine contains a nitrogen-containing heterocyclic scaffold, a nitrile group, chlorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 351.13 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.
CATO manufactures 2,3,5,6-Tetrachloro-4-(dimethyl(phenyl)silyl)pyridine 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 | C13H11Cl4NSi |
| Molecular Weight | 351.13 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor, low volatility) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, 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) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1962 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 1 |
Related Tetrachloro Standards
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- 12,15,42,45-Tetrachloro-1,4(1,4)-dibenzenacyclohexaphane (CAS 25826-07-7)
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- 2,4,7,8-Tetrachloro-3-phenylquinoline (CAS 680213-23-4)
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Recommended Standards
- 647824-32-6 N,N inverted exclamation mark -Di(3-chloro-4-fluorophenyl)methylphosphonic Diamide (CAS 647824-32-6)
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- 8-Hydroxy-7-iodoquinoline-6-sulfonic acid (CAS 292644-23-6)
- 2-(2,4-Dichlorophenyl)-5-(4-nitrophenyl)-1H-1,2,4-triazol-3(2H)-one (CAS 1000571-77-6)
- Methyl 2-(4,5,6,7-tetrahydrothieno[3,2-c]pyridin-7-yl)acetate (CAS 1391733-53-1)
- 2-amino-3-(4-hydroxy-2,6-dimethylphenyl)propanoic acid hydrochloride (CAS 81806-45-3)
- Methyl (S)-(-)-2-isocyanato-4-(methylthio)butyrate (CAS 93778-88-2)
- 1,3,3a,4,6,6a-hexahydrocyclopenta[c]thiophen-5-one (CAS 1508068-71-0)
- 2,3-Dichloro-6-fluoropyridine (CAS 51991-32-3)
- 6-Chloropyrido[2,3-b]pyrazin-3(4H)-one (CAS 1350925-21-1)
- 2-Chloro-4,5-dimethyl-6-(tetrahydrofuran-2-yl)nicotinonitrile (CAS 1708169-83-8)
- 2-(6,9-Dihydro-5H-benzo[7]annulen-7-yl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane (CAS 2876970-15-7)
- 4-(P-tolyloxy)butane-1-sulfonyl chloride (CAS 1343592-30-2)
- Fas C- Terminal Tripeptide (CAS 189109-90-8)
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