| CAS No. | 1226436-01-6 |
| Molecular Formula | C21H18ClN5OS |
| Molecular Weight | 423.92 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Compared with other compounds in its class, the molecular weight of 423.92 g/mol gives 7-(4-Chlorophenyl)-2-(4-(pyridin-2-yl)piperazin-1-yl)thieno[3,2-d]pyrimidin-4-ol distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
7-(4-Chlorophenyl)-2-(4-(pyridin-2-yl)piperazin-1-yl)thieno[3,2-d]pyrimidin-4-ol (CAS 1226436-01-6) is a high-purity analytical reference standard with the molecular formula C21H18ClN5OS and a molecular weight of 423.92 g/mol.
Structurally, 7-(4-Chlorophenyl)-2-(4-(pyridin-2-yl)piperazin-1-yl)thieno[3,2-d]pyrimidin-4-ol (C21H18ClN5OS) contains a steroid core, an amide group, sulfur-containing functionality, a hydroxyl group, an ether linkage, chlorine substitution. The molecule exhibits a degree of unsaturation (DBE) of 15.0, corresponding to approximately 15 ring(s) or double-bond equivalent(s). With a molecular weight of 423.92 g/mol, it falls into the moderately-high-molecular-weight range. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
As a certified reference material (CRM), 7-(4-Chlorophenyl)-2-(4-(pyridin-2-yl)piperazin-1-yl)thieno[3,2-d]pyrimidin-4-ol 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.
| Molecular Formula | C21H18ClN5OS |
| Molecular Weight | 423.92 g/mol |
| Purity | 97%+ |
| Storage | Store at room temperature, 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) | 15.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1990 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 5 |
| Sulfur Atoms | 1 |