| CAS No. | 194351-51-4 |
| Molecular Formula | C18H29N3O3 |
| Molecular Weight | 335.44 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
(S)-2-((2-Ethoxyethyl)amino)-3-methyl-N-((S)-1-oxo-1-(phenylamino)propan-2-yl)butanamide (CAS 194351-51-4), molecular formula C18H29N3O3 and molecular weight 335.44 g/mol, is a CATO reference standard with documented purity and traceability.
(S)-2-((2-Ethoxyethyl)amino)-3-methyl-N-((S)-1-oxo-1-(phenylamino)propan-2-yl)butanamide (C18H29N3O3) contains a steroid core, an amide group, a hydroxyl group, an ether linkage. It is notably hygroscopic, the carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
CATO manufactures (S)-2-((2-Ethoxyethyl)amino)-3-methyl-N-((S)-1-oxo-1-(phenylamino)propan-2-yl)butanamide 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 | C18H29N3O3 |
| Molecular Weight | 335.44 g/mol |
| Appearance | Off-white to pale yellow crystalline powder |
| 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) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2012 |
| Nitrogen Atoms | 3 |