| CAS No. | 328038-31-9 |
| Molecular Formula | C18H11N3O4S2 |
| Molecular Weight | 397.43 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
The occurrence of N-(3-(Benzo[d]thiazol-2-yl)-4-hydroxyphenyl)-5-nitrothiophene-2-carboxamide is closely related to a flavonoid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.
N-(3-(Benzo[d]thiazol-2-yl)-4-hydroxyphenyl)-5-nitrothiophene-2-carboxamide (CAS 328038-31-9) is a high-purity analytical reference standard with the molecular formula C18H11N3O4S2 and a molecular weight of 397.43 g/mol.
Structurally, N-(3-(Benzo[d]thiazol-2-yl)-4-hydroxyphenyl)-5-nitrothiophene-2-carboxamide (C18H11N3O4S2) contains a flavonoid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage. 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 397.43 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).
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.
As a certified reference material (CRM), N-(3-(Benzo[d]thiazol-2-yl)-4-hydroxyphenyl)-5-nitrothiophene-2-carboxamide 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 | C18H11N3O4S2 |
| Molecular Weight | 397.43 g/mol |
| 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) | 15.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Nitrogen Atoms | 3 |
| Sulfur Atoms | 2 |