4-(3-(3-Bromophenyl)-1,2,4-oxadiazol-5-yl)-2-(3,4-dimethylphenyl)phthalazin-1(2H)-one CAS 1291847-58-9
| CAS No. | 1291847-58-9 |
| Molecular Formula | C24H17BrN4O2 |
| Molecular Weight | 473.32 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 473.32 g/mol gives 4-(3-(3-Bromophenyl)-1,2,4-oxadiazol-5-yl)-2-(3,4-dimethylphenyl)phthalazin-1(2H)-one distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
4-(3-(3-Bromophenyl)-1,2,4-oxadiazol-5-yl)-2-(3,4-dimethylphenyl)phthalazin-1(2H)-one (CAS 1291847-58-9), molecular formula C24H17BrN4O2 and molecular weight 473.32 g/mol, is a CATO reference standard with documented purity and traceability.
Owing to a steroid core, an amide group, a hydroxyl group, an ether linkage, bromine substitution, 4-(3-(3-Bromophenyl)-1,2,4-oxadiazol-5-yl)-2-(3,4-dimethylphenyl)phthalazin-1(2H)-one is typically pale yellow to yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 473.32 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.
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 4-(3-(3-Bromophenyl)-1,2,4-oxadiazol-5-yl)-2-(3,4-dimethylphenyl)phthalazin-1(2H)-one 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 | C24H17BrN4O2 |
| Molecular Weight | 473.32 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor) |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°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; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 18.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1990 |
| Halogen Content | Br-containing |
| Nitrogen Atoms | 4 |
Related Bromophenyl Standards
- 4-(4-(4-Bromophenyl)-5-((naphthalen-1-ylmethyl)thio)-4H-1,2,4-triazol-3-yl)pyridine (CAS 676643-89-3)
- 3-((4-Bromophenyl)thio)-6-methoxy-2-(4-methoxyphenyl)benzo[b]thiophene 1-oxide (CAS 477762-71-3)
- N-(4-bromophenyl)-3-((2,6-dichlorobenzyl)thio)thiophene-2-carboxamide (CAS 251097-43-5)
- N-(4-bromophenyl)-3-((3,4-dichlorobenzyl)thio)thiophene-2-carboxamide (CAS 250714-57-9)
- 1-(1-((4-Bromophenyl)sulfonyl)piperidin-4-yl)-3-(4-chlorophenyl)urea (CAS 672950-42-4)
- (Z)-[(4-Bromophenyl)[2-(4-chlorophenyl)cyclopropyl]methylidene]amino 4-fluorobenzoate (CAS 338415-62-6)
- 4-(4-Bromophenyl)-3-((naphthalen-1-ylmethyl)thio)-5-phenyl-4H-1,2,4-triazole (CAS 763139-03-3)
- (3E)-3-[2-(4-Bromophenyl)hydrazin-1-ylidene]-1-{[3-(trifluoromethyl)phenyl]methyl}-2,3-dihydro-1H-indol-2-one (CAS 303984-89-6)
Recommended Standards
- N'-[(1E)-{4-[(2,4-dichlorophenyl)methoxy]phenyl}methylidene]-2-[(3-nitrophenyl)amino]acetohydrazide (CAS 301194-60-5)
- 3-{[3-chloro-5-(trifluoromethyl)pyridin-2-yl]sulfanyl}-5-[(E)-2-[(4-chlorophenyl)amino]ethenyl]-1,2-thiazole-4-carbonitrile (CAS 338413-04-0)
- N-{1-[(3,4-dichlorophenyl)methyl]-2-oxo-1,2-dihydropyridin-3-yl}-1-{[3-(trifluoromethyl)phenyl]sulfanyl}formamide (CAS 338783-87-2)
- Disperse Blue 183 (CAS 2309-94-6)
- 2-Methyl-4-(trifluoromethyl)phenol (CAS 77227-90-8)
- DL-XYLOSE (CAS 25990-60-7)
- 3-(5-Chlorothiophen-2-yl)benzoic acid (CAS 920294-01-5)
- 4-Chloro-n-propylbutanamide (CAS 543717-62-0)
- 1-Aminopiperidin-2-one (CAS 31967-09-6)
- (S)-1-(3-chloro-4-methoxyphenyl)butan-1-amine (CAS 1213195-09-5)
- 4-Cinnamamidobenzoic acid (CAS 54057-59-9)
- Methyl 2-(mercaptomethyl)benzoate (CAS 1384865-23-9)
- Ethyl 3-((2,2-dimethoxyethyl)amino)propanoate (CAS 198628-01-2)
- Peptide 441 (CAS CATO-CPTD788441)
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