5-(Pyridin-2-yl)-1,3,4-oxadiazole-2(3H)-thione CAS 3690-47-9
| CAS No. | 3690-47-9 |
| Molecular Formula | C7H5N3OS |
| Molecular Weight | 179.20 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
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.
5-(Pyridin-2-yl)-1,3,4-oxadiazole-2(3H)-thione (CAS 3690-47-9) is a high-purity analytical reference standard with the molecular formula C7H5N3OS and a molecular weight of 179.20 g/mol.
5-(Pyridin-2-yl)-1,3,4-oxadiazole-2(3H)-thione (C7H5N3OS) contains an amide group, sulfur-containing functionality, a hydroxyl group, an ether linkage, an aromatic ring system. Its physicochemical properties are representative of its class; these physicochemical properties determine the optimal preparation and storage of its standard solutions. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
CATO manufactures 5-(Pyridin-2-yl)-1,3,4-oxadiazole-2(3H)-thione 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 | C7H5N3OS |
| Molecular Weight | 179.20 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | 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.) | 1958 |
| Nitrogen Atoms | 3 |
| Sulfur Atoms | 1 |
Related Pyridin Standards
- 3-(pyridin-2-yl)-4,5-dihydro-1,2,4-oxadiazole-5-thione (CAS 1334147-08-8)
- 5-(Pyridin-4-yl)-1,3,4-thiadiazol-2(3H)-one (CAS 13570-31-5)
- 1-(Pyridin-3-yl)-1H-tetrazole-5-thiol (CAS 62770-11-0)
- 3-(pyridin-3-yl)-1,2,4-oxadiazole-5-thiol (CAS 345631-78-9)
- 2-Methyl-4-(pyridin-3-yl)butanoic acid (CAS 1225516-62-0)
- 2-Methyl-4-(pyridin-2-yl)butanoic acid (CAS 1266882-18-1)
- 3-Methyl-2-(pyridin-4-yl)butanoic acid (CAS 1343577-83-2)
- 3-Methyl-1-[2-(pyridin-3-yl)ethyl]urea (CAS 1599555-19-7)
Recommended Standards
- 5-(Methylthio)pyrimido[5,4-e][1,2,4]triazine (CAS 21308-97-4)
- 5-(Thiophen-2-yl)isoxazole-3-carbaldehyde (CAS 465514-11-8)
- 5-(2-Pyrazinyl)-1,3,4-thiadiazol-2-amine (CAS 383130-62-9)
- 5-Nitrobenzo[b]thiophene (CAS 4965-26-8)
- 4-Cyclopropoxy-2-isopropoxypyridine-3-sulfonamide (CAS 1243317-43-2)
- 1-(5-Hydroxy-4-methoxy-2-methylphenyl)ethanone (CAS 6948-37-4)
- 5-Amino-1-benzyl-N-(3,4-difluorophenyl)-1H-1,2,3-triazole-4-carboxamide (CAS 900013-33-4)
- Methyl 2-(2-ethyl-7-oxo-1,7-dihydro-[1,2,4]triazolo[1,5-a]pyrimidin-5-yl)acetate (CAS 908498-20-4)
- 5-Cyclopropylpyridine-3-boronic acid pinacol ester (CAS 1220696-43-4)
- 3-Methylpyrazolo[1,5-a]pyrimidin-5-ol (CAS 1566363-62-9)
- Ethyl 1-allyl-4-iodo-5-methyl-1H-pyrazole-3-carboxylate (CAS 1373247-80-3)
- 2-Amino-6-mercaptopyridine-3,5-dicarbonitrile (CAS 139438-26-9)
- 2,3-Dichloro-6-fluoro-4-methylphenylboronic acid (CAS 2121512-91-0)
- Semaglutide (CAS 910463-68-2)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
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- Technical support: +86 18665070610 / Nicole.chen@cato-chem.com