303150-77-8 5-(4-bromophenyl)-2-[(4-methylphenyl)sulfonyl]-5-oxopentanamide KS-00002Z38 CAS 303150-77-8
| CAS No. | 303150-77-8 |
| Molecular Formula | C18H18BrNO4S |
| Molecular Weight | 424.31 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 424.31 g/mol gives 303150-77-8 5-(4-bromophenyl)-2-[(4-methylphenyl)sulfonyl]-5-oxopentanamide KS-00002Z38 distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
303150-77-8 5-(4-bromophenyl)-2-[(4-methylphenyl)sulfonyl]-5-oxopentanamide KS-00002Z38 (CAS 303150-77-8) is a high-purity analytical reference standard with the molecular formula C18H18BrNO4S and a molecular weight of 424.31 g/mol.
The molecular framework of 303150-77-8 5-(4-bromophenyl)-2-[(4-methylphenyl)sulfonyl]-5-oxopentanamide KS-00002Z38 (C18H18BrNO4S) is characterized by a flavonoid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage, bromine substitution. In reversed-phase chromatography, its retention is governed primarily by the protonation state of its nitrogen-containing groups, which provides a practical basis for HPLC-UV/DAD or LC-MS method development. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
As a certified reference material (CRM), 303150-77-8 5-(4-bromophenyl)-2-[(4-methylphenyl)sulfonyl]-5-oxopentanamide KS-00002Z38 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 | C18H18BrNO4S |
| Molecular Weight | 424.31 g/mol |
| Purity | 97%+ |
| Storage | Store at room temperature, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| 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 |
| Sulfur Atoms | 1 |
Related bromophenyl Standards
- (2E)-3-(3-Bromophenyl)-2-[5-(4-methoxybenzoyl)thiophen-2-yl]prop-2-enenitrile (CAS 338966-70-4)
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- N-(4-bromophenyl)-N-(naphthalen-2-yl)naphthalen-2-amine (CAS 690658-65-2)
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- 4-(3-(4-Bromophenyl)ureido)-2-chlorobenzenesulfonyl chloride (CAS 680617-67-8)
- 1-(4-Bromophenyl)-3-((3-chloro-5-(trifluoromethyl)pyridin-2-yl)methyl)thiourea (CAS 326815-33-2)
- N-(4-bromophenyl)-2-(4-(4-chlorophenyl)-2-methyl-3-oxo-1,2,4-oxadiazolidin-5-yl)acetamide (CAS 478033-70-4)
Recommended Standards
- 1-{4'-Bromo-[1,1'-biphenyl]-4-sulfonamido}cyclopentane-1-carboxylic acid (CAS 326499-72-3)
- Delafloxacin Impurity 21 (CAS CATO-C4X-263721)
- (5E)-5-[(5-Bromo-2-methoxyphenyl)methylidene]-3-(4-fluorophenyl)-2-sulfanylidene-1,3-thiazolidin-4-one (CAS 387873-44-1)
- 3-(2,4-Dichlorophenyl)-4-(p-tolyl)-5-((p-tolyloxy)methyl)-4H-1,2,4-triazole (CAS 141079-03-0)
- 1-(2-Amino-5-(benzyloxy)-4-methoxyphenyl)ethanone (CAS 516526-41-3)
- Vismodegib M3 (CAS 1370525-64-6)
- (R)-2-amino-2-(3-(trifluoromethoxy)phenyl)ethan-1-ol (CAS 1213129-84-0)
- 5-Methoxy-2-methylbenzimidazole (CAS 4887-81-4)
- (S)-2-Hydroxy-2-phenylpropionic Acid (CAS 13113-71-8)
- (1R,3R,4S,4aR,6R)-4,4a-Dimethyl-6-(prop-1-en-2-yl)-1,2,3,4,4a,5,6,7-octahydronaphthalene-1,3-diol (CAS 37208-05-2)
- (R)-2-(3-chloro-5-(trifluoromethyl)phenyl)pyrrolidine (CAS 1213630-65-9)
- 1-(4-Benzyloxyphenyl)ethylamine (CAS 1279034-98-8)
- (Z)-N'-cinnamoyl-3-phenylacrylohydrazide (CAS 19473-98-4)
- Semaglutide Impurity 1(OtBu-Ste-D-γGlu(OtBu)-AEEA-AEEA-OH) (CAS CATO-C4X-22261)
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