5-(Pyridin-3-yl)-1,3,4-oxadiazol-2(3H)-one CAS 61690-97-9
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 61690-97-9 |
| Molecular Formula | C7H5N3O2 |
| Molecular Weight | 163.13 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
5-(Pyridin-3-yl)-1,3,4-oxadiazol-2(3H)-one (CAS 61690-97-9) is a pharmaceutical standards certified reference material from CATO. Molecular formula: C7H5N3O2. Molecular weight: 163.13 g/mol. ISO 17034 accredited production ensures traceable purity and reliable analytical results.
Physical & Chemical Properties
| Molecular Formula | C7H5N3O2 |
| Molecular Weight | 163.13 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (faint amine-like odor) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1974 |
| Nitrogen Atoms | 3 |
Related Pyridin Standards
- 3-(pyridin-4-yl)-4,5-dihydro-1,2,4-oxadiazol-5-one (CAS 102227-52-1)
- 3-Pyridin-3-yl-2H-1,2,4-oxadiazol-5-one (CAS 1198-99-8)
- 3-(pyridin-2-yl)-4,5-dihydro-1,2,4-oxadiazol-5-one (CAS 65173-14-0)
- 5-(Pyridin-4-yl)-1,3,4-oxadiazol-2-ol (CAS 2845-82-1)
- 2-(Pyridin-3-yl)cyclopropanecarboxylic acid (CAS 1017553-74-0)
- 3-(pyridin-4-yl)but-2-enoic acid (CAS 103441-74-3)
- 3-(Pyridin-3-yl)but-2-enoic acid, mixture of isomers (CAS 118420-19-2)
- (Z)-3-(pyridin-3-yl)but-2-enoic acid (CAS 153615-93-1)
Recommended Standards
- 5-(Furan-2-yl)oxazole-2-carbaldehyde (CAS 959617-54-0)
- 5-(Furan-2-yl)-1,2-oxazole-3-carbaldehyde (CAS 852180-62-2)
- 5-Amino-2-nitrobenzonitrile (CAS 72115-08-3)
- 1-(4-Nitrophenyl)-1H-pyrazole (CAS 3463-30-7)
- Tert-butyl (3-hydroxypiperidin-4-yl)carbamate (CAS 1400667-58-4)
- 9H-Dibenzo[a,c]carbazole (CAS 201-67-2)
- 7-Bromo-5-chloro-1H-benzimidazole (CAS 1360934-00-4)
- Lithium triisopropoxy(thiazol-2-yl)boranuide (CAS 1393823-02-3)
- tert-Butyl (4aR,7aR)-3-oxohexahydropyrrolo[3,4-b][1,4]oxazine-6(2H)-carboxylate (CAS 1808448-17-0)
- Semaglutide Impurity 9 (CAS CATO-C4X-22269)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 13829788188 / jacky.chen@cato-chem.com