Ethyl 2-[1-(4-bromobenzenesulfonyl)-3-oxopiperazin-2-yl]acetate CAS 318288-66-3
| CAS No. | 318288-66-3 |
| Molecular Formula | C14H17BrN2O5S |
| Molecular Weight | 405.26 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
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 supplies Ethyl 2-[1-(4-bromobenzenesulfonyl)-3-oxopiperazin-2-yl]acetate (CAS 318288-66-3), a certified reference material (molecular formula C14H17BrN2O5S, MW 405.26 g/mol) for analytical method development and quality control.
Owing to a nitrogen-containing heterocyclic scaffold, an amide group, a sulfone group, a hydroxyl group, an ether linkage, bromine substitution, Ethyl 2-[1-(4-bromobenzenesulfonyl)-3-oxopiperazin-2-yl]acetate is typically off-white to pale yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 405.26 g/mol — guide the selection of appropriate sample preparation and analytical techniques. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
CATO manufactures Ethyl 2-[1-(4-bromobenzenesulfonyl)-3-oxopiperazin-2-yl]acetate 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 | C14H17BrN2O5S |
| Molecular Weight | 405.26 g/mol |
| 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) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | Br-containing |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |
Related Ethyl Standards
- 4-[1-(4-Bromobenzenesulfonyl)pyrrolidine-2-carbonyl]morpholine (CAS 317378-14-6)
- [(Z)-2-(4-Bromobenzenesulfonyl)-2-nitroethenyl](3-ethylpent-1-yn-3-yl)amine (CAS 1025612-65-0)
- 1-(4-Bromobenzenesulfonyl)-N-phenylpyrrolidine-2-carboxamide (CAS 317377-72-3)
- 2-(4-Bromobenzenesulfonyl)-1-(3,4-dichlorophenyl)ethan-1-ol (CAS 477859-20-4)
- 3-(4-Bromobenzenesulfonyl)-6-nitro-2H-chromen-2-one (CAS 865656-33-3)
- 1-(4-Bromobenzenesulfonyl)-4-(furan-2-carbonyl)piperazine (CAS 497061-17-3)
- (E)-[2-(4-Bromobenzenesulfonyl)-1-(4-methoxyphenyl)ethylidene](methoxy)amine (CAS 338400-82-1)
- 2-[4-(4-Bromobenzenesulfonyl)-3,4-dihydro-2H-1,4-benzoxazin-3-yl]acetic acid (CAS 865657-67-6)
Recommended Standards
- 4-(4-((4-Bromophenyl)sulfonyl)piperazin-1-yl)-4-oxobutanoic acid (CAS 893725-68-3)
- Imidodicarbonic acid, N-[6-(bromomethyl)-3-fluoro-2-pyridinyl]-, C,C′-bis(1,1-dimethylethyl) ester (CAS 2711741-77-2)
- 2-((((2R,3S,4R,5R)-5-(2-Amino-6-oxo-1H-purin-9(6H)-yl)-3,4-dihydroxytetrahydrofuran-2-yl)methoxy)(hydroxy)phosphoryl)acetic acid (CAS 117627-21-1)
- 2-((3-(4-Bromophenyl)-4-oxo-3,4-dihydroquinazolin-2-yl)thio)acetohydrazide (CAS 133764-46-2)
- 3,4-dimethylpent-2-en-1-ol (CAS 1623076-33-4)
- N'-(2-chloroacetyl)-8-methyl-8H-thieno[2,3-b]indole-2-carbohydrazide (CAS 477855-76-8)
- 1-(4-Methoxybenzyl)-1-methylguanidine sulfate (CAS 1609396-43-1)
- Methyl bicyclo[4.1.0]heptane-7-carboxylate (CAS 61452-49-1)
- 1'-Benzyl-5-fluorospiro[1,2-dihydroindole-3,4'-piperidine] (CAS 1341040-27-4)
- 1,1,1-Trifluoro-N-((11bS)-4-oxido-2,6-bis(perfluorophenyl)-8,9,10,11,12,13,14,15-octahydrodinaphtho[2,1-d:1',2'-f][1,3,2]dioxaphosphepin-4-yl)methanesulfonamide (CAS 2586125-70-2)
- n-Butyl-2-imino-2,3-dihydrobenzo[d]thiazole-6-sulfonamide (CAS 890091-85-7)
- 1-[1-(bromomethyl)cyclopropyl]methanamine hydrobromide (CAS 1232676-97-9)
- 4-Bromo-5-chloro-2-methoxybenzenesulfonamide (CAS 1208075-86-8)
- Biotinyl-Neuropeptide Y (human, rat) trifluoroacetate salt (CAS 213779-13-6)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 18665070610 / Nicole.chen@cato-chem.com