4-Methyl-3(2H)-pyridazinone CAS 33471-40-8
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 33471-40-8 |
| Molecular Formula | C5H6N2O |
| Molecular Weight | 110.11 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Order 4-Methyl-3(2H)-pyridazinone (CAS 33471-40-8) pharmaceutical standards reference standard from CATO: ISO 17034 accredited producer, 130,000+ catalog items in stock. Molecular formula: C5H6N2O. Molecular weight: 110.11 g/mol. COA included with every batch.
Physical & Chemical Properties
| Molecular Formula | C5H6N2O |
| Molecular Weight | 110.11 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) | 4.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1966 |
| Nitrogen Atoms | 2 |
Recommended Standards
- 4-Methyl-2H-pyran-2-one (CAS 22682-12-8)
- 4-Methylfuran-2-carbaldehyde (CAS 33342-49-3)
- 4-Methoxypyrimidine (CAS 6104-41-2)
- 1-(3,4-Dimethylpyridin-2-yl)ethan-1-one (CAS 110788-52-8)
- 2-(2-Chloro-4-fluoro-5-methylphenyl)acetic acid (CAS 1000522-29-1)
- Erlotinib Impurity 53 (CAS 183365-34-6)
- Rosuvastatin Impurity 262 (CAS CATO-C4X-1169262)
- Tyrphostin AG528 (CAS 133550-49-9)
- Boc-Gly-OMe (CAS 31954-27-5)
- D-[His]1-Semaglutide X TFA salt (CAS CATO-CPTD788634)
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