| CAS No. | 438007-48-8 |
| Molecular Formula | C18H19N3O4S |
| Molecular Weight | 373.43 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Compared with other compounds in its class, the molecular weight of 373.43 g/mol gives 1-((4-Acetamidophenyl)amino)-1-oxopropan-2-yl 2-(methylthio)nicotinate distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
1-((4-Acetamidophenyl)amino)-1-oxopropan-2-yl 2-(methylthio)nicotinate (CAS 438007-48-8), molecular formula C18H19N3O4S and molecular weight 373.43 g/mol, is a CATO reference standard with documented purity and traceability.
Owing to a flavonoid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage, 1-((4-Acetamidophenyl)amino)-1-oxopropan-2-yl 2-(methylthio)nicotinate is typically pale yellow to yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 373.43 g/mol — guide the selection of appropriate sample preparation and analytical techniques. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
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 manufactures 1-((4-Acetamidophenyl)amino)-1-oxopropan-2-yl 2-(methylthio)nicotinate 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.
| Molecular Formula | C18H19N3O4S |
| Molecular Weight | 373.43 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 |
| Degree of Unsaturation (DBE) | 11.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Nitrogen Atoms | 3 |
| Sulfur Atoms | 1 |