3-(4'-Bromophenyl)-7-diethylaminocoumarin CAS 720674-46-4
| CAS No. | 720674-46-4 |
| Molecular Formula | C19H18BrNO2 |
| Molecular Weight | 372.26 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including 3-(4'-Bromophenyl)-7-diethylaminocoumarin.
3-(4'-Bromophenyl)-7-diethylaminocoumarin (CAS 720674-46-4), molecular formula C19H18BrNO2 and molecular weight 372.26 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C19H18BrNO2, 3-(4'-Bromophenyl)-7-diethylaminocoumarin contains a steroid core, an amide group, a hydroxyl group, an ether linkage, bromine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 372.26 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
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.
CATO manufactures 3-(4'-Bromophenyl)-7-diethylaminocoumarin under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C19H18BrNO2 |
| Molecular Weight | 372.26 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| 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) | 11.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1986 |
| Halogen Content | Br-containing |
| Nitrogen Atoms | 1 |
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- 4-(4-Bromophenyl)-5-(methylsulfonyl)-1H-thieno[2,3-c]pyrazol-3-amine (CAS 1707605-56-8)
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Recommended Standards
- 2,2,2-Trifluoro-1-(1-(3-(trifluoromethyl)benzyl)-1H-pyrrolo[2,3-b]pyridin-3-yl)ethan-1-one (CAS 860785-60-0)
- 3-(5-(4-Bromobenzylidene)-4-oxo-2-thioxothiazolidin-3-yl)propanoic acid (CAS 299950-16-6)
- 2-(5-Bromothiophen-2-yl)-2-oxoethyl 2-(methylthio)nicotinate (CAS 380162-46-9)
- 3-Bromo-9-(2-naphthyl)carbazole (CAS 934545-80-9)
- 1-Amino-3-fluoro-3-methylbutan-2-ol (CAS 86525-62-4)
- 4-(azetidin-1-yl)-4-ethylpiperidine (CAS 2060051-49-0)
- 2-(2,2-Diethoxyethyl)-1,3-propanediol (CAS 55387-85-4)
- 4-Fluoro-2H-spiro[benzofuran-3,4'-piperidine] hydrochloride (CAS 1138521-56-8)
- 3-(((3-Chloro-5-(trifluoromethyl)pyridin-2-yl)methyl)thio)-5-methylisothiazole-4-carbonitrile (CAS 338978-36-2)
- 2-(2-Chlorophenyl)-4H-benzo[4,5]imidazo[2,1-b][1,3]thiazin-4-one (CAS 2248255-21-0)
- Norepinephrine Impurity 57 (CAS 29477-54-1)
- (2R,4r,6S)-2,6-Dimethyltetrahydro-2H-pyran-4-ol (CAS 33747-09-0)
- 2-(3-(1H-pyrrol-1-yl)thiophen-2-yl)-5-((3-chlorobenzyl)thio)-1,3,4-oxadiazole (CAS 478077-34-8)
- Peptide 440 (CAS CATO-CPTD788440)
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