| CAS No. | 24655-99-0 |
| Molecular Formula | C12H8Cl2N2O2S |
| Molecular Weight | 315.18 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Compared with other compounds in its class, the molecular weight of 315.18 g/mol gives 3,7-Diamino-2,8-dichlorodibenzo[b,d]thiophene 5,5-dioxide distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
3,7-Diamino-2,8-dichlorodibenzo[b,d]thiophene 5,5-dioxide (CAS 24655-99-0), molecular formula C12H8Cl2N2O2S and molecular weight 315.18 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, 3,7-Diamino-2,8-dichlorodibenzo[b,d]thiophene 5,5-dioxide (C12H8Cl2N2O2S) contains a nitrogen-containing heterocyclic scaffold, an amide group, a sulfone group, a hydroxyl group, an ether linkage, 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 315.18 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.
CATO manufactures 3,7-Diamino-2,8-dichlorodibenzo[b,d]thiophene 5,5-dioxide 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 | C12H8Cl2N2O2S |
| Molecular Weight | 315.18 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; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1964 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |