| CAS No. | 478046-91-2 |
| Molecular Formula | C18H17ClN4O |
| Molecular Weight | 340.81 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Compared with other compounds in its class, the molecular weight of 340.81 g/mol gives N-(3-Chlorophenyl)-4-(4-cyanophenyl)tetrahydro-1(2H)-pyrazinecarboxamide distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
N-(3-Chlorophenyl)-4-(4-cyanophenyl)tetrahydro-1(2H)-pyrazinecarboxamide (CAS 478046-91-2) is a high-purity analytical reference standard with the molecular formula C18H17ClN4O and a molecular weight of 340.81 g/mol.
Owing to a steroid core, an amide group, a hydroxyl group, an ether linkage, chlorine substitution, N-(3-Chlorophenyl)-4-(4-cyanophenyl)tetrahydro-1(2H)-pyrazinecarboxamide is typically pale yellow to yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 340.81 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 N-(3-Chlorophenyl)-4-(4-cyanophenyl)tetrahydro-1(2H)-pyrazinecarboxamide 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 | C18H17ClN4O |
| Molecular Weight | 340.81 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 12.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 4 |