2-Benzyl-6-[(E)-2-phenylethenyl]-2,3,4,5-tetrahydropyridazin-3-one CAS 337921-95-6
| CAS No. | 337921-95-6 |
| Molecular Formula | C19H18N2O |
| Molecular Weight | 290.36 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Structurally, 2-Benzyl-6-[(E)-2-phenylethenyl]-2,3,4,5-tetrahydropyridazin-3-one (C19H18N2O) 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 290.36 g/mol, it falls into the medium-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.
2-Benzyl-6-[(E)-2-phenylethenyl]-2,3,4,5-tetrahydropyridazin-3-one (CAS 337921-95-6) is a high-purity analytical reference standard with the molecular formula C19H18N2O and a molecular weight of 290.36 g/mol.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
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.
Physical & Chemical Properties
| Molecular Formula | C19H18N2O |
| Molecular Weight | 290.36 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| 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) | 12.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Nitrogen Atoms | 2 |
Recommended Standards
- 2-Amino-5-(benzylthio)thiazolo[4,5-d]pyrimidin-7(4H)-one (CAS 259100-47-5)
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- 2-[4-(Morpholin-4-yl)phenyl]quinoline (CAS 861210-52-8)
- 2-Cyano-3-pyrrolidinomethyl benzophenone (CAS 898794-09-7)
- N-(2-Hydroxyethyl)(cyclopropylmethyl)amine (CAS 557769-86-5)
- (s)-4-(1-Amino-2-hydroxyethyl)-2-chlorophenol (CAS 1213879-88-9)
- 3,4-Di-tert-butoxyphenol (CAS 1243395-09-6)
- b-Nicotyrine L-Tartrate (CAS 4315-37-1)
- Trimethyl 3,3',3''-phosphanetriyltripropionate hydrochloride (CAS 1304513-50-5)
- (2-Phenylethynyl)(trimethylphosphine)gold (CAS 89989-62-8)
- 2,2-Dichloroacetamide (CAS 683-72-7)
- 2-Difluoromethoxy-5-(trifluoromethyl)pyridine (CAS 1214328-65-0)
- Benzyl 2-oxo-5-oxa-8-azaspiro[3.5]Nonane-8-carboxylate (CAS 2309427-27-6)
- Semaglutide impurity 196 (CAS CATO-C4X-2226196)
Why CATO?
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