5-Bromo-3-fluorothiophene-2-carbonitrile CAS 1810859-26-7
| CAS No. | 1810859-26-7 |
| Molecular Formula | C5HBrFNS |
| Molecular Weight | 206.04 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of 5-Bromo-3-fluorothiophene-2-carbonitrile is closely related to a nitrile group, sulfur-containing functionality, fluorine/bromine substitution in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.
5-Bromo-3-fluorothiophene-2-carbonitrile (CAS 1810859-26-7), molecular formula C5HBrFNS and molecular weight 206.04 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C5HBrFNS, 5-Bromo-3-fluorothiophene-2-carbonitrile contains a nitrile group, sulfur-containing functionality, fluorine/bromine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 206.04 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. 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), 5-Bromo-3-fluorothiophene-2-carbonitrile 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.
Physical & Chemical Properties
| Molecular Formula | C5HBrFNS |
| Molecular Weight | 206.04 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 5.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1995 |
| Halogen Content | F/Br-containing |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
Related Bromo Standards
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- 1-Bromo-2-chloro-4-fluoro-3-(fluoromethyl)benzene (CAS 2244083-98-3)
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