1-(Furo[2,3-b]pyridin-5-yl)ethan-1-one CAS 220957-41-5
| CAS No. | 220957-41-5 |
| Molecular Formula | C9H7NO2 |
| Molecular Weight | 161.16 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
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.
1-(Furo[2,3-b]pyridin-5-yl)ethan-1-one (CAS 220957-41-5), molecular formula C9H7NO2 and molecular weight 161.16 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C9H7NO2, 1-(Furo[2,3-b]pyridin-5-yl)ethan-1-one contains an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 161.16 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. 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).
As a certified reference material (CRM), 1-(Furo[2,3-b]pyridin-5-yl)ethan-1-one 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 | C9H7NO2 |
| Molecular Weight | 161.16 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) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2020 |
| Nitrogen Atoms | 1 |
Related Furo Standards
- 1-{furo[3,2-c]pyridin-2-yl}ethan-1-one (CAS 1367933-93-4)
- 1-(Furo[2,3-b]pyridin-6-yl)ethanone (CAS 193750-68-4)
- 1-(Furo[2,3-c]pyridin-5-yl)ethanone (CAS 223389-16-0)
- Furo[2,3-b]pyridine-5-carboximidamide (CAS 294865-64-8)
- Furo[2,3-b]pyridine-3-carboxamide (CAS 109274-98-8)
- Furo[3,2-b]pyridine-3-carboxamide (CAS 112372-22-2)
- Furo[2,3-b]pyridine-6-carboxamide (CAS 190957-77-8)
- Furo[2,3-b]pyridine-5-carboxamide (CAS 220957-44-8)
Recommended Standards
- 1-(Benzo[d]isoxazol-3-yl)ethanone (CAS 75290-76-5)
- 1-(3H-Imidazo[4,5-b]pyridin-3-yl)ethanone (CAS 70740-26-0)
- 1-(Imidazo[1,2-b]pyridazin-3-yl)ethanone (CAS 453548-65-7)
- 1-(3-Cyanophenyl)urea (CAS 724441-29-6)
- 4-Ethoxypyrimidine (CAS 24903-72-8)
- Ethyl 2-bromo-4-propylthiazole-5-carboxylate (CAS 81569-55-3)
- 3-Aminohexan-1-ol hydrochloride (CAS 104808-73-3)
- (2-Chloro-6-fluorobenzyl)(3,5-difluorophenyl)sulfane (CAS 1443353-32-9)
- 3-Methyl-2-(2-methyl-1h-1,3-benzodiazol-1-yl)butanoic acid (CAS 1016703-24-4)
- N-Nitroso Linagliptin impurity 142 (CAS CATO-C4X-1101142)
- 1-(2-Chlorophenyl)cyclopentanecarboxylic Acid (CAS 143328-20-5)
- (S)-2-(4-((2-Chloroethyl)(2-((methylsulfonyl)oxy)ethyl)amino)benzamido)pentanedioic acid (CAS 122665-73-0)
- 3-(Difluoromethoxy)-2-fluoropyridine (CAS 1214377-44-2)
- Tirzepatide Impurity 14 (CAS CATO-C4X-324014)
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