2-Fluoro-5-(thiophen-3-yl)pyridine CAS 837376-41-7
| CAS No. | 837376-41-7 |
| Molecular Formula | C9H6FNS |
| Molecular Weight | 179.21 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), 2-Fluoro-5-(thiophen-3-yl)pyridine 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.
2-Fluoro-5-(thiophen-3-yl)pyridine (CAS 837376-41-7), molecular formula C9H6FNS and molecular weight 179.21 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, 2-Fluoro-5-(thiophen-3-yl)pyridine (C9H6FNS) contains a nitrogen-containing heterocyclic scaffold, a nitrile group, sulfur-containing functionality, fluorine substitution. The molecule exhibits a degree of unsaturation (DBE) of 7.0, corresponding to approximately 7 ring(s) or double-bond equivalent(s). With a molecular weight of 179.21 g/mol, it falls into the medium-molecular-weight range. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
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.
Physical & Chemical Properties
| Molecular Formula | C9H6FNS |
| Molecular Weight | 179.21 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) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1986 |
| Halogen Content | F-containing |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
Related Fluoro Standards
- 2-Fluoro-5-(thiophen-2-yl)pyridine (CAS 1132832-80-4)
- 2-Fluoro-3-(thienyl)pyridine (CAS 1437794-91-6)
- 2-Fluoro-6-(thiophen-2-yl)pyridine (CAS 842136-47-4)
- 8-Fluoro-5-thia-2-azaspiro[3.4]Octane 5,5-dioxide (CAS 2091056-62-9)
- 1-(5-Fluoro-2-methylphenyl)pyrrolidine (CAS 1000339-32-1)
- (R)-6-fluoro-7-methyl-1,2,3,4-tetrahydronaphthalen-1-amine (CAS 1055949-64-8)
- n-(4-Fluoro-3-methylbenzyl)cyclopropanamine (CAS 1182954-78-4)
- N-(2-fluoro-5-methylbenzyl)cyclopropanamine (CAS 1184057-31-5)
Recommended Standards
- 2-Amino-1-(4,4-difluorocyclohexyl)ethan-1-ol (CAS 2090451-61-7)
- (S)-(4,4-Difluoro-1-isopropylpyrrolidin-2-yl)methanol (CAS 2454490-41-4)
- 4-(1,1-Difluoro-2-methoxyethyl)piperidine (CAS 2306275-47-6)
- (1R)-1-(4,4-Difluorotetrahydro-2H-pyran-2-yl)propan-1-amine (CAS 2791312-22-4)
- 3-Aminobenzo[d]oxazol-2(3H)-one (CAS 17823-06-2)
- (S)-1,1'-Binaphthalene-2,2'-sulfonimide (CAS 1245748-66-6)
- Propan-2-yl 2-(methylamino)acetate (CAS 93378-87-1)
- 1-hydroxycyclopropanecarbohydrazide (CAS 934174-96-6)
- 5-(Morpholinosulfonyl)thiazol-2-amine (CAS 1261070-23-8)
- Methyl 2-((2,5-dimethylphenyl)amino)-3-nitrobenzoate (CAS 566869-95-2)
- 4-Bromo-2-(1,3-dioxolan-2-yl)pyridine (CAS 1260663-27-1)
- Sitagliptin Impurity 53 HCl (CAS 849832-76-4(free base))
- 2-Fluoro-4-nitro-1-(2,2,2-trifluoroethoxy)benzene (CAS 956015-52-4)
- Anti-Inflammatory Peptide 1 (CAS 118850-71-8)
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