3-(5-Chlorothiophen-2-yl)pyridine CAS 859239-16-0
| CAS No. | 859239-16-0 |
| Molecular Formula | C9H6ClNS |
| Molecular Weight | 195.67 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-(5-Chlorothiophen-2-yl)pyridine (CAS 859239-16-0) is a high-purity analytical reference standard with the molecular formula C9H6ClNS and a molecular weight of 195.67 g/mol.
Structurally, 3-(5-Chlorothiophen-2-yl)pyridine (C9H6ClNS) contains a nitrogen-containing heterocyclic scaffold, a nitrile group, sulfur-containing functionality, chlorine 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 195.67 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.
CATO manufactures 3-(5-Chlorothiophen-2-yl)pyridine under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C9H6ClNS |
| Molecular Weight | 195.67 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.) | 1987 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
Related Chlorothiophen Standards
- 3-(4-chlorothiophen-2-yl)propanoic acid (CAS 89793-51-1)
- 2-((5-Chlorothiophen-2-yl)methylene)malononitrile (CAS 84653-68-9)
- 3-(3-Chlorothiophen-2-yl)-5-methyl-1H-pyrazole (CAS 1025025-95-9)
- 3-(5-Chlorothiophen-2-yl)-5-methyl-1H-pyrazole (CAS 1025353-98-3)
- (2E)-3-(5-chlorothiophen-3-yl)prop-2-enoic acid (CAS 75754-89-1)
- 2-(5-Chlorothiophen-2-yl)ethanethioamide (CAS 1016501-50-0)
- 2-(5-Chlorothiophen-2-yl)-2-methoxyethan-1-amine (CAS 1250927-84-4)
- 4-(5-Chlorothiophen-2-yl)-1h-imidazol-2-amine (CAS 1215910-31-8)
Recommended Standards
- 2-Chloroquinoline-3-thiol (CAS 68844-42-8)
- 3-Azabicyclo[4.1.0]heptane-3-sulfonyl chloride (CAS 2001804-33-5)
- 2-Chloro-6-(thiophen-2-yl)pyridine (CAS 35299-70-8)
- 4-(2-Chlorophenyl)thiazole (CAS 383145-28-6)
- 5-Chloromethyl-2-(4-(trifluoromethyl)-phenyl)-1H-imidazole (CAS 466664-94-8)
- N-((4-(Phenylthio)tetrahydro-2H-pyran-4-yl)methyl)benzofuran-2-carboxamide (CAS 1797577-36-6)
- 1-((5-Ethyl-1,2,4-oxadiazol-3-yl)methyl)piperidine-4-carboxylic acid (CAS 1306951-19-8)
- Ethyl 2-(2-(pyridin-3-yl)-1H-benzo[d]imidazol-1-yl)acetate (CAS 939241-52-8)
- 5-chloro-7-phenyl-[1,2,4]triazolo[1,5-a]pyrimidine (CAS 92146-30-0)
- 2-(4-Amino-5-(difluoromethyl)-2-hydroxypyridin-3-yl)acetonitrile (CAS 1806837-61-5)
- 4-Cyclopropoxy-5-isopropoxy-N-methylpyridin-3-amine (CAS 1243313-85-0)
- tert-Butyl 3-oxo-1,2,3,4,5,7-hexahydro-6H-pyrazolo[3,4-c]pyridine-6-carboxylate (CAS 152559-31-4)
- 2-Fluoro-4-(2,2,2-trifluoroethoxy)benzaldehyde (CAS 1588507-91-8)
- Semaglutide Impurity 115 (CAS CATO-C4X-2226115)
Why CATO?
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