3-(pHenylethynyl)pyridine CAS 13238-38-5
| CAS No. | 13238-38-5 |
| Molecular Formula | C13H9N |
| Molecular Weight | 179.22 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
3-(pHenylethynyl)pyridine (CAS 13238-38-5) is a high-purity analytical reference standard with the molecular formula C13H9N and a molecular weight of 179.22 g/mol.
Based on its molecular formula C13H9N, 3-(pHenylethynyl)pyridine contains a nitrogen-containing heterocyclic scaffold, a nitrile group; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 179.22 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
CATO manufactures 3-(pHenylethynyl)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 | C13H9N |
| Molecular Weight | 179.22 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) | 10.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1960 |
| Nitrogen Atoms | 1 |
Related pHenylethynyl Standards
- 2-(Phenylethynyl)pyridine (CAS 13141-42-9)
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- 5-(Phenylethynyl)pyrimidine (CAS 71418-88-7)
- 3-(Phenylethynyl)thiophene (CAS 131423-29-5)
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- 1-(Phenylethynyl)pyrrolidin-2-one (CAS 683246-77-7)
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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