5-((Trimethylsilyl)ethynyl)isoquinoline CAS 1246441-76-8
| CAS No. | 1246441-76-8 |
| Molecular Formula | C14H15NSi |
| Molecular Weight | 225.36 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
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.
5-((Trimethylsilyl)ethynyl)isoquinoline (CAS 1246441-76-8), molecular formula C14H15NSi and molecular weight 225.36 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C14H15NSi, 5-((Trimethylsilyl)ethynyl)isoquinoline contains a nitrogen-containing heterocyclic scaffold, a nitrile group; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 225.36 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
CATO manufactures 5-((Trimethylsilyl)ethynyl)isoquinoline 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 | C14H15NSi |
| Molecular Weight | 225.36 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate |
| Stability | 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.) | 1990 |
| Nitrogen Atoms | 1 |
Related Trimethylsilyl Standards
- 6-((Trimethylsilyl)ethynyl)isoquinoline (CAS 1105710-05-1)
- 7-((Trimethylsilyl)ethynyl)isoquinoline (CAS 1197193-97-7)
- 5-((Trimethylsilyl)ethynyl)quinoline (CAS 1255952-63-6)
- 8-((Trimethylsilyl)ethynyl)isoquinoline (CAS 1823440-48-7)
- 1-((Trimethylsilyl)ethynyl)isoquinoline (CAS 86521-10-0)
- 2-((Trimethylsilyl)ethynyl)quinoline (CAS 86521-07-5)
- 3-((Trimethylsilyl)ethynyl)isoquinoline (CAS 86521-11-1)
- 4-((Trimethylsilyl)ethynyl)isoquinoline (CAS 86549-28-2)
Recommended Standards
- (6-Chloro-4-(trifluoromethyl)pyridin-2-yl)boronic acid (CAS 1217500-88-3)
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- (2-Chloro-6-(trifluoromethyl)pyridin-4-yl)boronic acid (CAS 1446486-10-7)
- (3-Chloro-2-(trifluoromethyl)pyridin-4-yl)boronic acid (CAS 2096331-34-7)
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- Lidocaine Impurity 94 (CAS CATO-C4X-167994)
- Dapagliflozin Impurity N34 (CAS 1443341-94-3)
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Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 18665070610 / Nicole.chen@cato-chem.com