5-(Dimethylamino)-4-(4-methoxyphenoxy)-2-(4-methylphenyl)-2,3-dihydropyridazin-3-one CAS 551921-39-2
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 551921-39-2 |
| Molecular Formula | C20H21N3O3 |
| Molecular Weight | 351.40 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
5-(Dimethylamino)-4-(4-methoxyphenoxy)-2-(4-methylphenyl)-2,3-dihydropyridazin-3-one (CAS 551921-39-2) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C20H21N3O3. Molecular weight: 351.40 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C20H21N3O3 |
| Molecular Weight | 351.40 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| 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) | 12.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1984 |
| Nitrogen Atoms | 3 |
Related Dimethylamino Standards
- Ethyl 5-(((dimethylamino)methylene)amino)-1-(4-methylquinolin-2-yl)-1H-pyrazole-4-carboxylate (CAS 1001873-44-4)
- ((4-(Dimethylamino)phenyl)(hydroxy)methyl)diphenylphosphine oxide (CAS 258347-71-6)
- N-(3-(Dimethylamino)-2,3,4,9-tetrahydro-1H-carbazol-6-yl)-4-fluorobenzamide (CAS 186543-64-6)
- (2Z)-3-(Dimethylamino)-2-(4-fluorobenzenesulfonyl)-1-(4-fluorophenyl)prop-2-en-1-one (CAS 344266-90-6)
- [4-(Dimethylamino)phenyl](2-iodophenyl)methanone (CAS 934279-26-2)
- 6-(Dimethylamino)-1,2-dimethylquinolin-1-ium methyl sulfate (CAS 63978-03-0)
- 1-[4-(2-Dimethylamino-5-trifluoromethyl-pyridin-3-yl)-phenyl]-3-ethyl-urea (CAS 1311279-20-5)
- 1-[3-(2-Dimethylamino-5-trifluoromethyl-pyridin-3-yl)-phenyl]-3-ethyl-urea (CAS 1311280-40-6)
Recommended Standards
- 5-(3-(4-Fluorophenyl)ureido)-N,N,2-trimethylbenzenesulfonamide (CAS 380320-85-4)
- 5-Amino-N-(3-methoxybenzyl)-1-(2-methylbenzyl)-1H-1,2,3-triazole-4-carboxamide (CAS 899981-97-6)
- 4-[2-(2-Methoxyethoxy)ethoxy]-6-(pyridin-2-yl)-2,2'-bipyridine (CAS 613665-49-9)
- Diosgenin-3-O-�-D-xylosyl-(1?3)-�-glucoside (CAS 65604-99-1)
- N,N-dimethyl-4-((3-(trifluoromethyl)pyridin-2-yl)oxy)benzenesulfonamide (CAS 1257535-14-0)
- 3-(Dimethylamino)-1-(thiazol-2-yl)prop-2-en-1-one (CAS 191729-27-8)
- (4-chlorothiophen-2-yl)methanamine (CAS 214759-19-0)
- Ethyl 4-Amino-3-methoxybenzoate (CAS 73368-41-9)
- 4-(Chloromethyl)-1,3,5-trimethyl-1H-pyrazole (CAS 1152497-50-1)
- 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