Ethyl 4-methyl-2-[(naphthalen-1-yl)amino]-1,3-thiazole-5-carboxylate hydrochloride CAS 1274904-24-3
| CAS No. | 1274904-24-3 |
| Molecular Formula | C17H17N2O2S |
| Molecular Weight | N/A |
| 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.
Ethyl 4-methyl-2-[(naphthalen-1-yl)amino]-1,3-thiazole-5-carboxylate hydrochloride (CAS 1274904-24-3), molecular formula C17H17N2O2SCl and molecular weight 348.84 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C17H17N2O2SCl, Ethyl 4-methyl-2-[(naphthalen-1-yl)amino]-1,3-thiazole-5-carboxylate hydrochloride contains a steroid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage, chlorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 348.84 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
As a certified reference material (CRM), Ethyl 4-methyl-2-[(naphthalen-1-yl)amino]-1,3-thiazole-5-carboxylate hydrochloride 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 | C17H17N2O2S Cl |
| Molecular Weight | 348.84 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°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) | 10.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1990 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |
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