3-Fluoropyridine-4-thiol CAS 1201803-08-8
| CAS No. | 1201803-08-8 |
| Molecular Formula | C5H4FNS |
| Molecular Weight | 129.16 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of 3-Fluoropyridine-4-thiol is closely related to a nitrile group, sulfur-containing functionality, fluorine substitution in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.
3-Fluoropyridine-4-thiol (CAS 1201803-08-8) is a high-purity analytical reference standard with the molecular formula C5H4FNS and a molecular weight of 129.16 g/mol.
3-Fluoropyridine-4-thiol (C5H4FNS) contains a nitrile group, sulfur-containing functionality, fluorine substitution. Halogen substitution raises its density and boiling point; these physicochemical properties determine the optimal preparation and storage of its standard solutions. 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.
As a certified reference material (CRM), 3-Fluoropyridine-4-thiol 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 | C5H4FNS |
| Molecular Weight | 129.16 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) | 4.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1990 |
| Halogen Content | F-containing |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
Related Fluoropyridine Standards
- 5-Fluoropyridine-2(1h)-thione (CAS 1199806-26-2)
- 3-Fluoropyridine-2(1H)-thione (CAS 865663-90-7)
- 4-Fluoropyridine-2,6-diol (CAS 1803732-72-0)
- 2-Fluoropyridine-4-carboxaldehyde (CAS 131747-69-8)
- 3-Fluoropyridine-2,5-diamine (CAS 1232430-88-4)
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- 3-Fluoropyridine-2,6-diamine (CAS 960138-28-7)
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