6-ethynyl-1H-pyridin-2-one CAS 145143-31-3
| CAS No. | 145143-31-3 |
| Molecular Formula | C7H9NO |
| Molecular Weight | 123.15 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including 6-ethynyl-1H-pyridin-2-one.
CATO supplies 6-ethynyl-1H-pyridin-2-one (CAS 145143-31-3), a certified reference material (molecular formula C7H9NO, MW 123.15 g/mol) for analytical method development and quality control.
Structurally, 6-ethynyl-1H-pyridin-2-one (C7H9NO) contains an amide group, a hydroxyl group, an ether linkage, an aromatic ring system. The molecule exhibits a degree of unsaturation (DBE) of 4.0, corresponding to approximately 4 ring(s) or double-bond equivalent(s). With a molecular weight of 123.15 g/mol, it falls into the low-molecular-weight range. 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.
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
Physical & Chemical Properties
| Molecular Formula | C7H9NO |
| Molecular Weight | 123.15 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 4.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1998 |
| Nitrogen Atoms | 1 |
Related ethynyl Standards
- 3-ethynyl-1,2-dihydropyridin-2-one (CAS 142502-88-3)
- 4-Ethynyl-2-methylthiazole (CAS 107263-89-8)
- 5-Ethynyl-4-methylthiazole (CAS 111600-93-2)
- 4-Ethynyl-5-methylthiazole (CAS 1211591-59-1)
- 2-Ethynyl-5-methylthiazole (CAS 1312457-17-2)
- 5-Ethynyl-2-methylthiazole (CAS 1428445-99-1)
- 2-Ethynyl-4-methylthiazole (CAS 211940-25-9)
- 2-Ethynyl-1-methylpiperidine (CAS 51498-56-7)
Recommended Standards
- 5-Cyclopropyl-3-methylisoxazole (CAS 142993-83-7)
- 2-Ethoxypyridine (CAS 14529-53-4)
- 3-Methoxy-4-methylpyridine (CAS 142918-38-5)
- 3-Ethoxypyridine (CAS 14773-50-3)
- 4-chloro-3-(2-oxopyrrolidin-1-yl)benzoic acid (CAS 848316-25-6)
- 3-(4-Fluorophenyl)-8-methyl-1,4,8-triazaspiro[4.5]Dec-3-ene-2-thione (CAS 872207-12-0)
- 4-Iodo-5-((methylthio)methyl)isoxazol-3(2H)-one (CAS 89661-21-2)
- 4-Bromo-2-methylpyrimidine (CAS 1114560-76-7)
- Ethyl 5-cyano-2-hydroxynicotinate (CAS 1707567-02-9)
- N-butyl-1-phenylcyclopentane-1-carboxamide (CAS 354992-72-6)
- methyl 2-mercaptoethane-1-sulfonate (CAS 1709792-04-0)
- 5-bromo-3-(1,3-dioxolan-2-yl)-1-(4-methylbenzenesulfonyl)-1H-indole (CAS 1803597-25-2)
- 3-(4-Bromo-1h-pyrazol-1-yl)butanoic acid (CAS 1007517-56-7)
- Semaglutide impurity 248 (CAS CATO-C4X-2226248)
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