3-(Methylsulfonyl)thiophene-2-carbaldehyde CAS 2092396-88-6
| CAS No. | 2092396-88-6 |
| Molecular Formula | C6H6O3S2 |
| Molecular Weight | 190.24 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
3-(Methylsulfonyl)thiophene-2-carbaldehyde (CAS 2092396-88-6), molecular formula C6H6O3S2 and molecular weight 190.24 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, 3-(Methylsulfonyl)thiophene-2-carbaldehyde (C6H6O3S2) contains a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage, an aromatic ring system. The molecule exhibits a degree of unsaturation (DBE) of 4.0, corresponding to approximately 4 ring(s) or double-bond equivalent(s). With a molecular weight of 190.24 g/mol, it falls into the medium-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).
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
Physical & Chemical Properties
| Molecular Formula | C6H6O3S2 |
| Molecular Weight | 190.24 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO, water |
| Stability | May oxidize slowly on prolonged air exposure; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 4.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1997 |
| Sulfur Atoms | 2 |
Related Methylsulfonyl Standards
- 5-(Methylsulfonyl)-2-thiophenecarbaldehyde (CAS 177194-34-2)
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- 8-Methylsulfonyl-3,8-diazabicyclo[3.2.1]octane (CAS 1219080-99-5)
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