2-(4-Ethylphenoxy)-N'-(2-oxoindolin-3-yl)acetohydrazide CAS 290835-24-4
| CAS No. | 290835-24-4 |
| Molecular Formula | C18H17N3O3 |
| Molecular Weight | 323.35 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Owing to a steroid core, an amide group, a hydroxyl group, an ether linkage, 2-(4-Ethylphenoxy)-N'-(2-oxoindolin-3-yl)acetohydrazide is typically pale yellow to yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 323.35 g/mol — guide the selection of appropriate sample preparation and analytical techniques. 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-(4-Ethylphenoxy)-N'-(2-oxoindolin-3-yl)acetohydrazide (CAS 290835-24-4) is a high-purity analytical reference standard with the molecular formula C18H17N3O3 and a molecular weight of 323.35 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 | C18H17N3O3 |
| Molecular Weight | 323.35 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 |
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Recommended Standards
- 2-(3,4-Dimethoxyphenyl)quinoline-4-carbohydrazide (CAS 350997-66-9)
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- 2,7-Diamino-4-(3,4-dimethoxyphenyl)-4h-chromene-3-carbonitrile (CAS 326919-67-9)
- 2,3',5'-Trifluoro-[1,1'-biphenyl]-4-carbaldehyde (CAS 1318975-41-5)
- 4-Bromo-2-(difluoromethyl)thiazole (CAS 1783680-29-4)
- N-(1-Nitrosopiperidin-3-yl)Acetamide (CAS CATO-C3D-26132)
- 3-(4-Nitro-1h-pyrazol-1-yl)propanehydrazide (CAS 512809-14-2)
- 2-(1-Methylguanidino)acetic acid compound with 2-hydroxypropane-1,2,3-tricarboxylic acid (1:1) (CAS 177024-62-3)
- 3-Oxo-1-(3-(trifluoromethyl)phenyl)cyclobutanecarbonitrile (CAS 1379098-58-4)
- S,S,S-Triethyltetrathiophosphate (CAS 1642-43-9)
- potassium 2-(5-methyl-1,3,4-oxadiazol-2-yl)acetate (CAS 1240527-13-2)
- 2-(((benzyloxy)carbonyl)(1-(tert-butoxycarbonyl)piperidin-4-yl)amino)acetic acid (CAS 1628835-87-9)
- D-β-Asp15-Tirzepatide (CAS CATO-CPTD788930)
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