5-Acetyl-2-ethoxypyridine CAS 885229-37-8
| CAS No. | 885229-37-8 |
| Molecular Formula | C9H11NO2 |
| Molecular Weight | 165.19 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
5-Acetyl-2-ethoxypyridine (C9H11NO2) contains an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage. The carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
5-Acetyl-2-ethoxypyridine (CAS 885229-37-8), molecular formula C9H11NO2 and molecular weight 165.19 g/mol, is a CATO reference standard with documented purity and traceability.
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.
As a certified reference material (CRM), 5-Acetyl-2-ethoxypyridine 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 | C9H11NO2 |
| Molecular Weight | 165.19 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (faint amine-like odor) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Nitrogen Atoms | 1 |
Related Acetyl Standards
- 3-Acetyl-2-ethoxypyridine (CAS 62838-66-8)
- 6-ethoxypyridine-3-carboxamide (CAS 473693-84-4)
- 2-Ethoxypyridine-3-boronic Acid (CAS 854373-97-0)
- 6-Ethoxypyridine-3-boronic Acid (CAS 612845-44-0)
- 2-Ethoxypyridine-4-carboxylic acid (CAS 91940-86-2)
- 5-Ethoxypyridine-2-carboxylic Acid (CAS 98353-08-3)
- 5-Ethoxypyridine-3-carboxylic acid (CAS 98491-82-8)
- 6-ethoxypyridine-2-carbaldehyde (CAS 85259-47-8)
Recommended Standards
- 5,6,7,8-Tetrahydroquinoline-2,4(1H,3H)-dione (CAS 2092798-33-7)
- 5-Allyl-2-amino-6-methylpyrimidin-4(3H)-one (CAS 6957-86-4)
- 5,6,7,8-Tetrahydroisoquinoline-1,3-diol (CAS 36556-02-2)
- 5-Amino-2,3-dimethylbenzoic acid (CAS 5628-46-6)
- 2-Ethylhexyl tetradecanoate (CAS 29806-75-5)
- 4-(2,3-Dihydro-1h-indol-1-yl)butanoic acid hydrochloride (CAS 1059626-21-9)
- (S)-6-Undecyltetrahydro-2H-pyran-2-one (CAS 59812-97-4)
- 7-(Chloromethyl)benzofuran (CAS 158820-53-2)
- 7-Fluoroisoquinoline-1-carbonitrile (CAS 1427501-79-8)
- Methyl 2-cyclopentylthiazole-5-carboxylate (CAS 1369840-90-3)
- (2R,3S,4R,5R)-5-(Hydroxymethyl)tetrahydrofuran-2,3,4-triol (CAS 7687-39-0)
- 2-(Furan-2-carboxamido)-6-isopropyl-4,5,6,7-tetrahydrothieno[2,3-c]pyridine-3-carboxamide hydrochloride (CAS 1177807-41-8)
- 2-Ethyl-5-(1-(2-fluorobenzyl)-1H-indol-2-yl)-1,3,4-oxadiazole (CAS 921779-20-6)
- Semaglutide impurity 274 (CAS CATO-C4X-2226274)
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