(E)-[(5-Bromo-2-methoxyphenyl)methylidene]amino 4-tert-butylbenzoate CAS 331459-83-7
| CAS No. | 331459-83-7 |
| Molecular Formula | C19H20BrNO3 |
| Molecular Weight | 390.27 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
(E)-[(5-Bromo-2-methoxyphenyl)methylidene]amino 4-tert-butylbenzoate (CAS 331459-83-7), molecular formula C19H20BrNO3 and molecular weight 390.27 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, (E)-[(5-Bromo-2-methoxyphenyl)methylidene]amino 4-tert-butylbenzoate (C19H20BrNO3) contains a steroid core, an amide group, a hydroxyl group, an ether linkage, bromine substitution. The molecule exhibits a degree of unsaturation (DBE) of 10.0, corresponding to approximately 10 ring(s) or double-bond equivalent(s). With a molecular weight of 390.27 g/mol, it falls into the moderately-high-molecular-weight range. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
CATO manufactures (E)-[(5-Bromo-2-methoxyphenyl)methylidene]amino 4-tert-butylbenzoate 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 | C19H20BrNO3 |
| Molecular Weight | 390.27 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
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- Benzyl (4-(3-bromophenyl)tetrahydro-2H-pyran-4-yl)carbamate (CAS 2680829-25-6)
- 3-(2-(4-Bromophenyl)-6,6-dimethyl-4-oxo-4,5,6,7-tetrahydro-1H-indol-1-yl)propanoic acid (CAS 1024051-53-3)
- 5-{[3-chloro-5-(trifluoromethyl)pyridin-2-yl](methyl)amino}-3-(3-methyl-5-oxo-1-phenyl-1,2,4-triazolidin-3-yl)-3aH,4H,5H,6H,6aH-pyrrolo[3,4-d][1,2]oxazole-4,6-dione (CAS 351858-44-1)
- 2-(Propoxymethyl)benzenethiol (CAS 1378657-64-7)
- 4-Ethoxypyrimidin-2-amine (CAS 304454-19-1)
- 2-(2-Ethoxynaphthalen-1-yl)ethan-1-ol (CAS 1443355-56-3)
- 3,4-Dihydronaphthalene-2,2(1H)-dicarboxylic acid (CAS 167898-22-8)
- 7-(Methylthio)isoquinoline (CAS 90265-82-0)
- (2R,3R,4S,5R)-2-(6-((Benzo[c][1,2,5]oxadiazol-5-ylmethyl)thio)-9H-purin-9-yl)-5-(hydroxymethyl)tetrahydrofuran-3,4-diol (CAS 566193-95-1)
- 1-(4-Aminopiperidin-1-yl)-2-(1H-1,2,4-triazol-1-yl)ethan-1-one (CAS 1154263-78-1)
- 5-chloro-3-(4-chlorophenyl)-1,2,4-oxadiazole (CAS 26903-92-4)
- Semaglutide impurity 89 (CAS CATO-C4X-222689)
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