N'-(2-(3,5-Difluorophenyl)-2-hydroxyacetyl)-2-ethyl-4-methoxy-3-methylbenzohydrazide CAS 1181770-80-8
| CAS No. | 1181770-80-8 |
| Molecular Formula | C19H20F2N2O4 |
| Molecular Weight | 378.37 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.
N'-(2-(3,5-Difluorophenyl)-2-hydroxyacetyl)-2-ethyl-4-methoxy-3-methylbenzohydrazide (CAS 1181770-80-8), molecular formula C19H20F2N2O4 and molecular weight 378.37 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C19H20F2N2O4, N'-(2-(3,5-Difluorophenyl)-2-hydroxyacetyl)-2-ethyl-4-methoxy-3-methylbenzohydrazide contains a flavonoid core, an amide group, a hydroxyl group, an ether linkage, fluorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 378.37 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. 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.
Physical & Chemical Properties
| Molecular Formula | C19H20F2N2O4 |
| Molecular Weight | 378.37 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor, low volatility) |
| 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; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 10.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1989 |
| Halogen Content | F-containing |
| Nitrogen Atoms | 2 |
Related N Standards
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Recommended Standards
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- 5-(4-Methylsulfanyl-phenyl)-1-(4-trifluoromethyl-phenyl)-1H-pyrazole-3-carboxylic acid (CAS 1017781-23-5)
- 3,3''-Dihydroxy-2',5'-dimethyl-[1,1':4',1''-terphenyl]-4,4''-dicarboxylic acid (CAS 1382735-24-1)
- 2-Cyano-N-cyclopentylacetamide (CAS 15112-75-1)
- Methyl 3,4-dihydro-2H-benzo[b][1,4]oxazine-5-carboxylate (CAS 121591-81-9)
- 5-Propionyl-1H-benzo[d]imidazol-2(3H)-one (CAS 93202-42-7)
- 5-(2,2,2-Trifluoroacetyl)-1H-pyrrole-3-carbonitrile (CAS 135250-38-3)
- Erlotinib Impurity 116 (CAS 15411-43-5)
- 5-[(2-Methylphenoxy)methyl]-4-phenyl-4H-1,2,4-triazole-3-thiol (CAS 76111-25-6)
- Valaciclovir Hydrochloride EP Impurity F (CAS CATO-C4X-124858)
- 3-Oxo-3-(2-(trifluoromethoxy)phenyl)propanenitrile (CAS 914636-80-9)
- 1-((4-Allyl-5-(furan-2-yl)-4H-1,2,4-triazol-3-yl)thio)-3,3-dimethylbutan-2-one (CAS 675844-82-3)
- Calcitonin N-Terminal Flanking Peptide (human) (CAS 118277-01-3)
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