| CAS No. | 2349-65-7 |
| Molecular Formula | C18H21N3OS |
| Molecular Weight | 327.44 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
The occurrence of N-(4-Methoxyphenyl)-4-phenyltetrahydro-1(2H)-pyrazinecarbothioamide is closely related to a steroid core, an amide group, sulfur-containing functionality, a hydroxyl group, an ether linkage in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.
N-(4-Methoxyphenyl)-4-phenyltetrahydro-1(2H)-pyrazinecarbothioamide (CAS 2349-65-7) is a high-purity analytical reference standard with the molecular formula C18H21N3OS and a molecular weight of 327.44 g/mol.
Based on its molecular formula C18H21N3OS, N-(4-Methoxyphenyl)-4-phenyltetrahydro-1(2H)-pyrazinecarbothioamide contains a steroid core, an amide group, sulfur-containing functionality, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 327.44 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. 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.
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
| Molecular Formula | C18H21N3OS |
| Molecular Weight | 327.44 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 10.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1957 |
| Nitrogen Atoms | 3 |
| Sulfur Atoms | 1 |