(2E)-2-(Hydroxyimino)-N-[2-(trifluoromethyl)-phenyl]acetamide 3772AE 444-93-9 C9H7F3N2O2 CAS 444-93-9
| CAS No. | 444-93-9 |
| Molecular Formula | C9H7F3N2O2 |
| Molecular Weight | 232.16 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 232.16 g/mol gives (2E)-2-(Hydroxyimino)-N-[2-(trifluoromethyl)-phenyl]acetamide 3772AE 444-93-9 C9H7F3N2O2 distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
(2E)-2-(Hydroxyimino)-N-[2-(trifluoromethyl)-phenyl]acetamide 3772AE 444-93-9 C9H7F3N2O2 (CAS 444-93-9), molecular formula C9H7F3N2O2 and molecular weight 232.16 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, (2E)-2-(Hydroxyimino)-N-[2-(trifluoromethyl)-phenyl]acetamide 3772AE 444-93-9 C9H7F3N2O2 (C9H7F3N2O2) contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage, fluorine substitution. The molecule exhibits a degree of unsaturation (DBE) of 6.0, corresponding to approximately 6 ring(s) or double-bond equivalent(s). With a molecular weight of 232.16 g/mol, it falls into the medium-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
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 | C9H7F3N2O2 |
| Molecular Weight | 232.16 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor, faint amine-like odor, low volatility) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry, keep tightly closed to prevent evaporation |
| 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) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1957 |
| Halogen Content | F-containing |
| Nitrogen Atoms | 2 |
Related E Standards
- 2-Hydroxyimino-N-(3-trifluoromethyl-phenyl)-acetamide (CAS 404-83-1)
- 2,3-Bis(hydroxyimino)-5-phenylcyclohexan-1-one (CAS 1159976-75-6)
- 1-{4-[1-(hydroxyimino)ethyl]phenyl}pyrrolidine-2,5-dione (CAS 1955564-49-4)
- 1-{4-[1-(hydroxyimino)ethyl]phenyl}piperidin-2-one (CAS 1807938-87-9)
- 7-(Hydroxyimino)-8,9-dihydro-2,9a-diazabenzo[cd]azulene-1,6(2H,7H)-dione (CAS 92260-82-7)
- 4-(hydroxyimino)-N-phenylpiperidine-1-carboxamide (CAS 923163-56-8)
- (E)-2-((hydroxyimino)methyl)-N,N-dimethylbenzenesulfonamide (CAS 148728-93-2)
- N-{4-[1-(Hydroxyimino)ethyl]phenyl}methanesulfonamide (CAS 401909-82-8)
Recommended Standards
- 4-Bromo-1-naphthalenylamine 4-bromo-1-naphthylamine 1-amino-4-bromo-naphthalene 4-bromo-1-naphthalenamine 1-amino-4-bromonaphthalene 2298-07-9 (CAS 2298-07-9)
- 2-BROMOMETHYLQUINOLINE 2-QUINOLINYLMETHYL BROMIDE 5632-15-5 ALPHA-BROMOQUINALDINE BC004972 QUINOLINE, 2-(BROMOMETHYL)- (CAS 5632-15-5)
- Methyl 5-formyl-2-(trifluoromethyl)benzoate (CAS 2098464-44-7)
- 7496-46-0 8-(Bromomethyl)quinoline 8-Bromomethyl-quinoline 8-Quinolinylmethyl bromide (CAS 7496-46-0)
- (2R,3R,4R,5R)-2,5,6-trihydroxy-4-(((2S,3R,4S,5S,6R)-5-hydroxy-6-(hydroxymethyl)-4-(((2R,3R,4S,5R,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)tetrahydro-2H-pyran-2-yl)oxy)-3-(((2S,3S,4R,5S,6S)-3,4,5-trihydroxy-6-methyltetrahydro-2H-pyran-2-yl)oxy)tetrahydro-2H-pyran-2-yl)oxy)-3-(((2S,3S,4R,5S,6S)-3,4,5-trihydroxy-6-methyltetrahydro-2H-pyran-2-yl)oxy)hexanal (CAS 72468-43-0)
- Tert-butyl (S)-4-(6-((5-bromo-1-methyl-2-oxo-1,2-dihydropyridin-3-yl)amino)pyridin-3-yl)-3-methylpiperazine-1-carboxylate (CAS 1433849-64-9)
- Ethyl 4-(1h-imidazol-1-yl)-2-methyl-2-(methylamino)butanoate (CAS 1247209-73-9)
- 2-Phenyl-(1,3)Dioxolane-4,5-Dicarboxylic Acid Dimethyl Ester (CAS 153983-70-1)
- (2-Iodobenzo[d]oxazol-7-yl)methanamine (CAS 1804412-28-9)
- 6,8-Dibromo-2-methylquinazolin-4(3H)-one (CAS 82326-77-0)
- (2,3-Dichloro-4-methoxyphenyl)-2-thienylmethanone 2,3-Dichloro-4-methoxyphenyl 2-thienyl Ketone 40180-05-0 (CAS 40180-05-0)
- 4-Methyl-6-oxo-1-phenyl-1,6-dihydropyridazine-3,5-dicarbonitrile (CAS 124315-52-2)
- 4-[4-(Ethylcarbamoyl)-3-fluorophenyl]phenylacetic acid (CAS 1334500-11-6)
- Semaglutide Impurity 7 (CAS CATO-C4X-22267)
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