N'-[(1E)-(4-Hydroxy-3-methoxyphenyl)methylidene]-4-(2-oxopyrrolidin-1-yl)benzohydrazide CAS 413616-54-3
| CAS No. | 413616-54-3 |
| Molecular Formula | C19H19N3O4 |
| Molecular Weight | 353.37 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including N'-[(1E)-(4-Hydroxy-3-methoxyphenyl)methylidene]-4-(2-oxopyrrolidin-1-yl)benzohydrazide.
N'-[(1E)-(4-Hydroxy-3-methoxyphenyl)methylidene]-4-(2-oxopyrrolidin-1-yl)benzohydrazide (CAS 413616-54-3), molecular formula C19H19N3O4 and molecular weight 353.37 g/mol, is a CATO reference standard with documented purity and traceability.
N'-[(1E)-(4-Hydroxy-3-methoxyphenyl)methylidene]-4-(2-oxopyrrolidin-1-yl)benzohydrazide (C19H19N3O4) contains a flavonoid core, an amide group, a hydroxyl group, an ether linkage. It is notably hygroscopic, the carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
As a certified reference material (CRM), N'-[(1E)-(4-Hydroxy-3-methoxyphenyl)methylidene]-4-(2-oxopyrrolidin-1-yl)benzohydrazide meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
Physical & Chemical Properties
| Molecular Formula | C19H19N3O4 |
| Molecular Weight | 353.37 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 | 3 |
Recommended Standards
- N-(4-(5-Ethyl-1,3,4-oxadiazol-2-yl)phenyl)-2,3-dimethoxybenzamide (CAS 946275-80-5)
- N-[2-(2,6-dioxo-3-piperidyl)-1-oxo-isoindolin-4-yl]hex-5-ynamide (CAS 2408797-65-7)
- N-(3-(5-Methoxy-1H-indol-3-yl)propyl)-3-nitrobenzamide (CAS 72612-11-4)
- R-(-)-Dihydrozeatin Riboside (CAS 64070-21-9)
- 4-(Benzyloxy)-1,2-dimethoxybenzene (CAS 42138-42-1)
- Lithium sulfate (CAS 10377-48-7)
- 5,6-Dihydroxy-2-(4-hydroxy-3-methoxyphenyl)-3,7-dimethoxy-4H-chromen-4-one (CAS 23370-16-3)
- 4-(4-Fluorophenyl)-N-(3-oxo-3,4-dihydro-2H-benzo[b][1,4]oxazin-6-yl)piperazine-1-carboxamide (CAS 866137-30-6)
- 4-(2-Chlorophenyl)-2-(4-chlorophenyl)-1,2-dihydro-3H-pyrazol-3-one (CAS 400076-69-9)
- (2-(((tert-Butoxycarbonyl)amino)methyl)-5-fluorophenyl)boronic acid (CAS 850568-43-3)
- n-(2-Aminophenyl)pyridine-4-carboxamide (CAS 105101-25-5)
- 4-Acetyl-N-(1,3-dioxoisoindolin-5-yl)benzamide (CAS 683235-34-9)
- 2,3,4,5,6-Pentafluorobenzyl acetate (CAS 2002-93-9)
- A-18-F-NH2; Morphine Modulating Neuropeptide (CAS 99588-52-0)
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