(2E,3E)-2-[2-(3,5-Dimethylphenyl)hydrazin-1-ylidene]-3-hydrazinylidene-1-(4-methoxyphenyl)propan-1-one CAS 338400-36-5
| CAS No. | 338400-36-5 |
| Molecular Formula | C18H20N4O2 |
| Molecular Weight | 324.38 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of (2E,3E)-2-[2-(3,5-Dimethylphenyl)hydrazin-1-ylidene]-3-hydrazinylidene-1-(4-methoxyphenyl)propan-1-one is closely related to a steroid core, an amide group, a hydroxyl group, an ether linkage in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.
(2E,3E)-2-[2-(3,5-Dimethylphenyl)hydrazin-1-ylidene]-3-hydrazinylidene-1-(4-methoxyphenyl)propan-1-one (CAS 338400-36-5), molecular formula C18H20N4O2 and molecular weight 324.38 g/mol, is a CATO reference standard with documented purity and traceability.
(2E,3E)-2-[2-(3,5-Dimethylphenyl)hydrazin-1-ylidene]-3-hydrazinylidene-1-(4-methoxyphenyl)propan-1-one (C18H20N4O2) contains a steroid 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).
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.
As a certified reference material (CRM), (2E,3E)-2-[2-(3,5-Dimethylphenyl)hydrazin-1-ylidene]-3-hydrazinylidene-1-(4-methoxyphenyl)propan-1-one 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 | C18H20N4O2 |
| Molecular Weight | 324.38 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) | 11.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Nitrogen Atoms | 4 |
Recommended Standards
- (2,5-Dioxopyrrolidin-1-yl) 11-azidoundecanoate (CAS 850080-13-6)
- (5E)-3-Ethyl-5-[(4-methoxy-3-nitrophenyl)methylidene]-2-sulfanylidene-1,3-thiazolidin-4-one (CAS 301193-97-5)
- (1R,2R)-(+)-1,2-Bis[(pyridin-2-ylcarbonyl)amino]cyclohexane (CAS 201551-23-7)
- (E)-N-(4-(2-(1-(4-aminophenyl)ethylidene)hydrazine-1-carbonyl)phenyl)propionamide (CAS 316153-65-8)
- (5-Chloro-1-methyl-3-(trifluoromethyl)-1H-pyrazol-4-yl)methyl (2-chlorophenyl)carbamate (CAS 282523-53-9)
- n-(4-(Hydrazinecarbonyl)phenyl)cyclopropanecarboxamide (CAS 446278-50-8)
- 4-Fluoro-2-methylphenyl Chloroformate (CAS 1552201-86-1)
- 2-Bromo-N-ethylaniline (CAS 69083-47-2)
- 2-(4-Amino-2-bromophenyl)acetic acid (CAS 66949-42-6)
- Pyrimidin-2-yl(thiophen-3-yl)methanamine (CAS 1465849-43-7)
- 9-Oxotetradecanoic acid (CAS 71173-32-5)
- (S)-1-(2-Acetoxybenzoyl)pyrrolidine-2-carboxylic acid (CAS 63203-64-5)
- 4-Bromo-2-(2-methylpropoxy)benzonitrile (CAS 1597288-94-2)
- Pancreatic Polypeptide (rat) (CAS 90419-12-8)
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