5-Phenylpyridazin-3(2H)-one CAS 78920-21-5
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 78920-21-5 |
| Molecular Formula | C10H8N2O |
| Molecular Weight | 172.18 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
5-Phenylpyridazin-3(2H)-one (CAS 78920-21-5) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C10H8N2O. Molecular weight: 172.18 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C10H8N2O |
| Molecular Weight | 172.18 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (faint amine-like odor) |
| 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) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1979 |
| Nitrogen Atoms | 2 |
Related Phenylpyridazin Standards
- 6-Phenylpyridazin-4-ol (CAS 89868-16-6)
- 5-Phenylpyridazin-3-amine (CAS 105537-97-1)
- 3-Phenylpyridazin-4-amine (CAS 85156-25-8)
- 6-Phenylpyridazin-4-amine (CAS 85156-26-9)
- 6-Phenylpyridazin-3(2H)-one (CAS 2166-31-6)
- 5-Methyl-6-phenylpyridazin-3-amine (CAS 105537-96-0)
- 6-Methyl-5-phenylpyridazin-3-amine (CAS 105537-98-2)
- 4-Methyl-6-phenylpyridazin-3-amine (CAS 81819-90-1)
Recommended Standards
- 5-phenyl-2(1)-Pyrimidone (CAS 56863-46-8)
- 5-Δ- Hydroybutylhydantoin (CAS 5458-06-0)
- 5-Phenyl-1H-pyrazole-3-carbaldehyde (CAS 57204-65-6)
- Se,Mn In Milk (CAS CATO-CCRM104018)
- 4-Butoxyaniline (CAS 4344-55-2)
- Tri-n-butyltin isocyanate, 97% (CAS 681-99-2)
- Zinc(II) 2,6-dioxo-1,2,3,6-tetrahydropyrimidine-4-carboxylate dihydrate (CAS 270083-97-1)
- N-(2-((4-Methyl-4H-1,2,4-triazol-3-yl)thio)ethyl)-6-(1H-1,2,4-triazol-1-yl)pyridazine-3-carboxamide (CAS 1448028-85-0)
- (3-Fluoro-4-((2-fluorophenyl)sulfonamido)phenyl)boronic acid compound with 2,3-dimethylbutane-2,3-diol (1:1) (CAS 1314069-48-1)
- Peptide 432 (CAS CATO-CPTD788432)
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