| CAS No. | 338982-24-4 |
| Molecular Formula | C8H6BrF3N2S |
| Molecular Weight | 299.11 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
338982-24-4 5-(Bromomethyl)-1-methyl-3-(trifluoromethyl)-1H-thieno[2,3-c]pyrazole MFCD01935938 (CAS 338982-24-4), molecular formula C8H6BrF3N2S and molecular weight 299.11 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, 338982-24-4 5-(Bromomethyl)-1-methyl-3-(trifluoromethyl)-1H-thieno[2,3-c]pyrazole MFCD01935938 (C8H6BrF3N2S) contains a nitrogen-containing heterocyclic scaffold, a nitrile group, sulfur-containing functionality, fluorine/bromine substitution. The molecule exhibits a degree of unsaturation (DBE) of 5.0, corresponding to approximately 5 ring(s) or double-bond equivalent(s). With a molecular weight of 299.11 g/mol, it falls into the medium-molecular-weight range. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
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), 338982-24-4 5-(Bromomethyl)-1-methyl-3-(trifluoromethyl)-1H-thieno[2,3-c]pyrazole MFCD01935938 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 | C8H6BrF3N2S |
| Molecular Weight | 299.11 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | F/Br-containing |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |