| CAS No. | 1934302-23-4 |
| Molecular Formula | C14H16N6S2 |
| Molecular Weight | N/A |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
As a certified reference material (CRM), 4-(4-(1,3,4-Thiadiazol-2-yl)piperazin-1-yl)-6-ethylthieno[2,3-d]pyrimidine dihydrochloride 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.
4-(4-(1,3,4-Thiadiazol-2-yl)piperazin-1-yl)-6-ethylthieno[2,3-d]pyrimidine dihydrochloride (CAS 1934302-23-4), molecular formula C14H16N6S2HCl and molecular weight 368.90 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, 4-(4-(1,3,4-Thiadiazol-2-yl)piperazin-1-yl)-6-ethylthieno[2,3-d]pyrimidine dihydrochloride (C14H16N6S2HCl) contains a nitrogen-containing heterocyclic scaffold, a nitrile group, sulfur-containing functionality, chlorine substitution. The molecule exhibits a degree of unsaturation (DBE) of 9.0, corresponding to approximately 9 ring(s) or double-bond equivalent(s). With a molecular weight of 368.90 g/mol, it falls into the moderately-high-molecular-weight range. 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.
| Molecular Formula | C14H16N6S2 2*HCl |
| Molecular Weight | 368.90 g/mol |
| 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) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1996 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 6 |
| Sulfur Atoms | 2 |