| CAS No. | 90150-93-9 |
| Molecular Formula | C7H4N2O5S |
| Molecular Weight | 228.18 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
7-Nitro-2,3-dihydro-1λ6,2-benzothiazole-1,1,3-trione (C7H4N2O5S) contains an amide group, a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage, an aromatic ring system. It is notably hygroscopic, the carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
7-Nitro-2,3-dihydro-1λ6,2-benzothiazole-1,1,3-trione (CAS 90150-93-9) is a high-purity analytical reference standard with the molecular formula C7H4N2O5S and a molecular weight of 228.18 g/mol.
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-Nitro-2,3-dihydro-1λ6,2-benzothiazole-1,1,3-trione 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 | C7H4N2O5S |
| Molecular Weight | 228.18 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO, water |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1982 |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |