7-Chloro-3-(2,6-dichloro-3,5-dimethoxyphenyl)-1-ethyl-1,6-naphthyridin-2(1H)-one CAS 1802334-95-7
| CAS No. | 1802334-95-7 |
| Molecular Formula | C18H15Cl3N2O3 |
| Molecular Weight | 413.68 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 413.68 g/mol gives 7-Chloro-3-(2,6-dichloro-3,5-dimethoxyphenyl)-1-ethyl-1,6-naphthyridin-2(1H)-one distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
7-Chloro-3-(2,6-dichloro-3,5-dimethoxyphenyl)-1-ethyl-1,6-naphthyridin-2(1H)-one (CAS 1802334-95-7), molecular formula C18H15Cl3N2O3 and molecular weight 413.68 g/mol, is a CATO reference standard with documented purity and traceability.
7-Chloro-3-(2,6-dichloro-3,5-dimethoxyphenyl)-1-ethyl-1,6-naphthyridin-2(1H)-one (C18H15Cl3N2O3) contains a steroid core, an amide group, a hydroxyl group, an ether linkage, chlorine substitution. It is notably hygroscopic, halogen substitution raises its density and boiling point, the carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. 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.
As a certified reference material (CRM), 7-Chloro-3-(2,6-dichloro-3,5-dimethoxyphenyl)-1-ethyl-1,6-naphthyridin-2(1H)-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 | C18H15Cl3N2O3 |
| Molecular Weight | 413.68 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor, low volatility) |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°C), protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 11.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1995 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 2 |
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