3-Pyridin-3-yl-2H-1,2,4-oxadiazol-5-one CAS 1198-99-8
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 1198-99-8 |
| Molecular Formula | C7H5N3O2 |
| Molecular Weight | 163.13 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 3-Pyridin-3-yl-2H-1,2,4-oxadiazol-5-one (CAS 1198-99-8), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C7H5N3O2. Molecular weight: 163.13 g/mol. Batch-specific COA and technical support are available on request.
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.) | 1957 |
| 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-2-yl)-4,5-dihydro-1,2,4-oxadiazol-5-one (CAS 65173-14-0)
- 5-(Pyridin-3-yl)-1,3,4-oxadiazol-2(3H)-one (CAS 61690-97-9)
- 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
- 6-Nitro-1H-pyrrolo[3,2-b]pyridine (CAS 1190318-66-1)
- furan-2-acrylic acid azide (CAS 119924-26-4)
- 7-Nitro-1H-pyrrolo[3,2-b]pyridine (CAS 1190313-38-2)
- 3-(1H-Imidazol-5-yl)propyl carbamimidothioate (CAS 102203-17-8)
- 1,2,4,5-Tetramethylbenzene-3,6-d2 (CAS 1859-01-4)
- 1-Chloro-3-isocyano-2-methylbenzene (CAS 1930-79-6)
- 4-chloro-2-propylquinoline (CAS 100121-90-2)
- 2-(3-Chlorophenyl)dibenzo[f,h]quinoxaline (CAS 1677677-90-5)
- 5-Chloroacenaphthene >90% (CAS 5209-33-6)
- 263251-78-1 NMG938VJ6T D-3 Tavilermide [USAN:INN] UNII-NMG938VJ6T MIM-D3 MIM-D 3 D 3 (peptide) Tavilermide (CAS 263251-78-1)
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