| CAS No. | 38945-01-6 |
| Molecular Formula | C4H3O2S2 |
| Molecular Weight | N/A |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
2-Thiophenesulfinicacid, sodium salt (1:1) 38945-01-6 CTK4I0725 (CAS 38945-01-6), molecular formula C4H3O2S2Na and molecular weight 170.18 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C4H3O2S2Na, 2-Thiophenesulfinicacid, sodium salt (1:1) 38945-01-6 CTK4I0725 contains a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 170.18 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. 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.
CATO manufactures 2-Thiophenesulfinicacid, sodium salt (1:1) 38945-01-6 CTK4I0725 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 | C4H3O2S2 Na |
| Molecular Weight | 170.18 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure |
| Degree of Unsaturation (DBE) | 3.5 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1968 |
| Sulfur Atoms | 2 |