3-ethynyl-5-methyl-pyridine CAS 30413-53-7
| CAS No. | 30413-53-7 |
| Molecular Formula | C8H13N |
| Molecular Weight | 123.20 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of 3-ethynyl-5-methyl-pyridine is closely related to a nitrile group in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.
3-ethynyl-5-methyl-pyridine (CAS 30413-53-7) is a high-purity analytical reference standard with the molecular formula C8H13N and a molecular weight of 123.20 g/mol.
3-ethynyl-5-methyl-pyridine (C8H13N) contains a nitrile group. Its physicochemical properties are representative of its class; these physicochemical properties determine the optimal preparation and storage of its standard solutions. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
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), 3-ethynyl-5-methyl-pyridine 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 | C8H13N |
| Molecular Weight | 123.20 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO |
| Stability | Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 3.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1965 |
| Nitrogen Atoms | 1 |
Related ethynyl Standards
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- 4-ethynyl-2-methylpyridine (CAS 30413-56-0)
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