1-(3-Chloro-5-methylpyridin-4-yl)ethan-1-one CAS 1256809-17-2
| CAS No. | 1256809-17-2 |
| Molecular Formula | C8H8ClNO |
| Molecular Weight | 169.61 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.
CATO supplies 1-(3-Chloro-5-methylpyridin-4-yl)ethan-1-one (CAS 1256809-17-2), a certified reference material (molecular formula C8H8ClNO, MW 169.61 g/mol) for analytical method development and quality control.
Based on its molecular formula C8H8ClNO, 1-(3-Chloro-5-methylpyridin-4-yl)ethan-1-one contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage, chlorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 169.61 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).
CATO manufactures 1-(3-Chloro-5-methylpyridin-4-yl)ethan-1-one under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C8H8ClNO |
| Molecular Weight | 169.61 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor, faint amine-like odor) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep tightly closed to prevent evaporation |
| 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.) | 1990 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 1 |
Related Chloro Standards
- 2-(4-Chloro-3,5-dimethyl-1H-pyrazol-1-yl)acetonitrile (CAS 1004643-52-0)
- 3-(4-Chloro-1h-pyrazol-1-yl)-2-methylpropanenitrile (CAS 1006328-60-4)
- 3-(4-Chloro-1h-pyrazol-1-yl)butanenitrile (CAS 1006333-97-6)
- 3-(4-Chloro-3-methyl-1h-pyrazol-1-yl)propanenitrile (CAS 1006508-15-1)
- 2-Chloro-5-methylbenzamide (CAS 101080-00-6)
- 2-Chloro-6-methylbenzamide (CAS 101080-58-4)
- N-(2-Chloro-6-methylphenyl)formamide (CAS 10113-37-8)
- 1-(5-Chloro-6-methylpyridin-3-yl)ethan-1-one (CAS 1011470-12-4)
Recommended Standards
- 1-(5-Chloro-3-methylpyridin-2-yl)ethan-1-one (CAS 1256807-37-0)
- 1-(6-Chloro-4-methylpyridin-2-yl)ethanone (CAS 1256812-41-5)
- 1-(5-Chloro-4-methylpyridin-2-yl)ethan-1-one (CAS 1256806-22-0)
- 1-(5-Chloro-2-methylpyridin-3-yl)ethanone (CAS 1256823-94-5)
- 5-Methoxyquinazolin-4(3H)-one (CAS 135106-52-4)
- N-(4-bromophenyl)-5-oxopyrrolidine-2-carboxamide (CAS 1219388-16-5)
- 3-(2-Methyl-1h-imidazol-1-yl)propanoic acid (CAS 24647-62-9)
- (7R,8aR)-7-fluorohexahydropyrrolo[1,2-a]pyrazin-3(4H)-one (CAS 2165360-11-0)
- 3,5-Bis((trimethylsilyl)ethynyl)pyridine (CAS 267244-88-2)
- Telluric acid (99.5%-Te) (CAS 13451-14-4)
- rac-Viridifloric Acid (CAS 466-18-2)
- 3-({[(2,4-dichlorophenyl)methyl]sulfanyl}methyl)-5-(methylsulfanyl)-4-phenyl-4H-1,2,4-triazole (CAS 344274-41-5)
- n-(2-Aminoethyl)-4-methoxybenzene-1-sulfonamide hydrochloride (CAS 1171767-56-8)
- Liraglutide Impurity 25 (CAS CATO-C4X-199225)
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