3-Ethynyl-2-methylpyridine CAS 30413-55-9
| CAS No. | 30413-55-9 |
| Molecular Formula | C8H7N |
| Molecular Weight | 117.15 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
3-Ethynyl-2-methylpyridine (CAS 30413-55-9), molecular formula C8H7N and molecular weight 117.15 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, 3-Ethynyl-2-methylpyridine (C8H7N) contains a nitrogen-containing heterocyclic scaffold, a nitrile group. The molecule exhibits a degree of unsaturation (DBE) of 6.0, corresponding to approximately 6 ring(s) or double-bond equivalent(s). With a molecular weight of 117.15 g/mol, it falls into the low-molecular-weight range. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
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-2-methylpyridine 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 | C8H7N |
| Molecular Weight | 117.15 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) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1965 |
| Nitrogen Atoms | 1 |
Related Ethynyl Standards
- 5-Ethynyl-2-methylpyridine (CAS 1945-85-3)
- 2-Ethynyl-3-methylpyridine (CAS 30413-59-3)
- 2-Ethynyl-4-methylpyridine (CAS 30413-54-8)
- 2-Ethynyl-5-methylpyridine (CAS 30413-61-7)
- 2-Ethynyl-6-methylpyridine (CAS 30413-58-2)
- 3-Ethynyl-4-methylpyridine (CAS 30413-62-8)
- 4-Ethynyl-2-pyridinamine (CAS 1094679-27-2)
- 2-Ethynyl-5-methylpyrimidine (CAS 1196146-85-6)
Recommended Standards
- 3-aminotetrahydropyran-4-ol (CAS 33318-88-6)
- 3-aminopyridazin-4-ol (CAS 25015-73-0)
- 3-Hydroxy-2,2-dimethylpropanamide (CAS 32831-43-9)
- 3-Aminopropyl acetate (CAS 76119-31-8)
- Methyl 4-(3-cyanopyridin-2-yl)-5-formyl-1H-pyrrole-3-carboxylate (CAS 398125-12-7)
- 2-Bromo-6-difluoromethoxy-3-methylpyridine (CAS 1807193-64-1)
- tert-Butyl 2-(((6-chloropyridazin-3-yl)oxy)methyl)piperidine-1-carboxylate (CAS 1261230-72-1)
- 2-Chloro-4-(chloromethyl)-1-(methylsulfanyl)benzene (CAS 109418-89-5)
- n-((Tetrahydro-2h-pyran-4-yl)methyl)cyclobutanamine (CAS 1250031-65-2)
- 3-(((1-Methyl-1h-tetrazol-5-yl)thio)methyl)piperidine (CAS 934744-96-4)
- Ofloxacin EP Impurity E (CAS 82419-52-1)
- N-(3-fluoro-4-((6-methoxy-7-(3-morpholinopropoxy)quinazolin-4-yl)oxy)phenyl)-1,2-dimethyl-4-oxo-6-(trifluoromethoxy)-1,4-dihydroquinoline-3-carboxamide (CAS 2376603-92-6)
- Methyl 3-(1-phenylcyclopentane-1-carboxamido)thiophene-2-carboxylate (CAS 1024523-08-7)
- Myristoyl Pentapeptide -4 acetate (CAS 959610-30-1(free base))
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