(E)-2-benzyl-6-(4-methoxystyryl)-4,5-dihydropyridazin-3(2H)-one CAS 337923-00-9
| CAS No. | 337923-00-9 |
| Molecular Formula | C20H20N2O2 |
| Molecular Weight | 320.39 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
(E)-2-benzyl-6-(4-methoxystyryl)-4,5-dihydropyridazin-3(2H)-one (CAS 337923-00-9) is a high-purity analytical reference standard with the molecular formula C20H20N2O2 and a molecular weight of 320.39 g/mol.
Structurally, (E)-2-benzyl-6-(4-methoxystyryl)-4,5-dihydropyridazin-3(2H)-one (C20H20N2O2) contains a steroid core, an amide group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 12.0, corresponding to approximately 12 ring(s) or double-bond equivalent(s). With a molecular weight of 320.39 g/mol, it falls into the moderately-high-molecular-weight range. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C20H20N2O2 |
| Molecular Weight | 320.39 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.) | 2025 |
| Nitrogen Atoms | 2 |
Recommended Standards
- (9H-Fluoren-9-yl)methyl 2,5-diazabicyclo[2.2.1]heptane-2-carboxylate (CAS 845866-60-6)
- (E)-N,N-dimethyl-N'-(5-(6-methylthiazolo[3,2-b][1,2,4]triazole-5-carbonyl)thiazol-2-yl)formimidamide (CAS 865659-31-0)
- (5-(tert-Butyl)-2-hydroxyphenyl)(1-phenyl-1H-pyrazol-4-yl)methanone (CAS 288844-46-2)
- (R)-3-((6-(1H-Indol-5-yl)pyridazin-3-yl)oxy)quinuclidine (CAS 855291-54-2)
- Boc-D-Tle-OH (CAS 124655-17-0)
- N-methyl-1-(4-(3,3,3-trifluoropropoxy)phenyl)methanamine (CAS 1343820-02-9)
- 2,2-Dimethyl-6-oxa-9-azaspiro[4.5]decane hydrochloride (CAS 2643318-26-5)
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