(3Z)-4-[(3-Bromophenyl)amino]-3-(3,4-dimethoxyphenyl)but-3-en-2-one CAS 339017-42-4
| CAS No. | 339017-42-4 |
| Molecular Formula | C18H18BrNO3 |
| Molecular Weight | 376.24 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.
CATO supplies (3Z)-4-[(3-Bromophenyl)amino]-3-(3,4-dimethoxyphenyl)but-3-en-2-one (CAS 339017-42-4), a certified reference material (molecular formula C18H18BrNO3, MW 376.24 g/mol) for analytical method development and quality control.
Owing to a steroid core, an amide group, a hydroxyl group, an ether linkage, bromine substitution, (3Z)-4-[(3-Bromophenyl)amino]-3-(3,4-dimethoxyphenyl)but-3-en-2-one is typically pale yellow to yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 376.24 g/mol — guide the selection of appropriate sample preparation and analytical techniques. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
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.
Physical & Chemical Properties
| Molecular Formula | C18H18BrNO3 |
| Molecular Weight | 376.24 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; 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.) | 2025 |
| Halogen Content | Br-containing |
| Nitrogen Atoms | 1 |
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Recommended Standards
- 1,3-Dimethyl-5-{[5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)thiophen-2-yl]methylidene}-1,3-diazinane-2,4,6-trione (CAS 1449135-43-6)
- (4Z)-1-(4-Chlorophenyl)-4-{[(4-chlorophenyl)amino]methylidene}-3-ethoxy-4,5-dihydro-1H-pyrazol-5-one (CAS 338751-06-7)
- 7-Bromo-4-(3-ethoxybenzyl)-4,5-dihydrobenzo[f][1,4]oxazepin-3(2H)-one (CAS 1326937-85-2)
- (5-Chloro-1-methyl-3-phenyl-1H-pyrazol-4-yl)methyl (4-chlorophenyl)carbamate (CAS 318248-37-2)
- Phytolaccagenic Acid (CAS 54928-05-1)
- 7-Bromo-4-cyano-1H-indazole-3-carboxylic acid (CAS 2767589-52-4)
- 5, 22Z-CHOLESTADIEN-3β-OL (CAS 26033-10-3)
- 3-(azetidin-3-yl)-5-(methoxymethyl)-1,2-oxazole, methanesulfonic acid (CAS 2059948-26-2)
- 2-Hydroxy-N-(pyridin-4-ylmethyl)benzamide (CAS 5620-23-5)
- 2-[(1Z)-1-Cyano-2-phenyleth-1-en-1-yl]-5,7-bis(trifluoromethyl)pyrazolo[1,5-a]pyrimidine-3-carbonitrile (CAS 338786-53-1)
- N-(1-Phenylethyl)-1-[6-(trifluoromethyl)pyrimidin-4-yl]piperidine-4-carboxamide (CAS 1775452-64-6)
- tert-Butyl (5-nitropyrimidin-2-yl)carbamate (CAS 436161-77-2)
- Methyl 2-[4-(-2-Pyrimidyl)-1-piperazinyl]acetate (CAS 896213-29-9)
- (His32,Leu34)-Neuropeptide Y (32-36) (CAS 168916-68-5)
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