4-[4-(2,5-dimethylbenzenesulfonyl)piperazin-1-yl]-4-oxobutanoic acid CAS 565198-65-4
| CAS No. | 565198-65-4 |
| Molecular Formula | C16H22N2O5S |
| Molecular Weight | 354.42 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
4-[4-(2,5-dimethylbenzenesulfonyl)piperazin-1-yl]-4-oxobutanoic acid (CAS 565198-65-4), molecular formula C16H22N2O5S and molecular weight 354.42 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, 4-[4-(2,5-dimethylbenzenesulfonyl)piperazin-1-yl]-4-oxobutanoic acid (C16H22N2O5S) contains a flavonoid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 7.0, corresponding to approximately 7 ring(s) or double-bond equivalent(s). With a molecular weight of 354.42 g/mol, it falls into the moderately-high-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
Physical & Chemical Properties
| Molecular Formula | C16H22N2O5S |
| Molecular Weight | 354.42 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°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 |
| Degree of Unsaturation (DBE) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1984 |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |
Related dimethylbenzenesulfonyl Standards
- 3-(3,5-Dimethylbenzenesulfonyl)-6,7-difluoro-1,4-dihydroquinolin-4-one (CAS 1325305-11-0)
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- 3-(2,3-Dimethylbenzenesulfonyl)-4,6-dimethyl-2-(2-methylpropoxy)pyridine (CAS 400089-40-9)
- 3-(2,4-Dimethylbenzenesulfonyl)-4,6-dimethyl-2-(2-methylpropoxy)pyridine (CAS 400078-21-9)
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- 3-(3,5-Dimethylbenzenesulfonyl)-4,6-dimethyl-2-(2-methylpropoxy)pyridine (CAS 338412-22-9)
- 2-(2,5-Dimethylbenzenesulfonyl)-1,2,3,4-tetrahydroisoquinoline-3-carboxylic acid (CAS 1008267-37-5)
Recommended Standards
- 4-(7-Ethyl-1,4,5,6,7,8-hexahydro-4-oxo[1]benzothieno[2,3-d]pyrimidin-2-yl)benzoic acid (CAS 743439-05-6)
- 4-Methoxyphenyl 5-(1,2,3-thiadiazol-4-yl)thiophene-2-sulfonate (CAS 338400-13-8)
- 4-(4-((2,4-Dimethylphenyl)sulfonyl)piperazin-1-yl)-4-oxobutanoic acid (CAS 568570-06-9)
- 5-(4-Fluorophenyl)-2-mercapto-3-phenylthieno[2,3-d]pyrimidin-4(3H)-one (CAS 301687-15-0)
- 3-(3-Methoxyphenyl)cyclopentanone (CAS 171046-94-9)
- ACHMINACA (CAS 1400742-33-7)
- tert-butyl 5'-bromo-3'H-spiro[azetidine-3,1'-[2]benzofuran]-1-carboxylate (CAS 1398609-80-7)
- (E)-[1-(Pyrazin-2-yl)ethylidene]amino 2-fluorobenzoate (CAS 861210-61-9)
- 4141-19-9 V226TA551J 5-Hydroxy-2-phenyl-1,3-dioxane, cis- UNII-V226TA551J 1,3-Dioxan-5-ol, 2-phenyl-, cis- cis-1,3-o-Benzylideneglycerol cis-2-Phenyl-1,3-dioxan-5-ol cis-5-Hydroxy-2-phenyl-1,3-dioxane m-Dioxan-5-ol, 2-phenyl-, cis- (CAS 4141-19-9)
- 63126-89-6 Clinitest 1,2,3-Propanetricarboxylic acid, 2-hydroxy-, mixt. with copper(2+) sulfate (1:1), sodium hydrogen carbonate and sodium hydroxide (Na(OH)) 1,2,3-Propanetricarboxylic acid, 2-hydroxy-, mixt. with copper(2+) sulfate (1:1), sodium hydrogen carbonate and sodium hydroxide (CAS 63126-89-6)
- Octyl 2-3-4-6-tetra-O-acetyl-β-D-glucopyranoside (CAS 38954-67-5)
- 65717-97-7 4V891LH5NB Disofenin [USAN:INN:BAN] Disofenin Glycine, N-(2-((2,6-bis(1-methylethyl)phenyl)amino)-2-oxoethyl)-N-(carboxymethyl)- ((((2,6-Diisopropylphenyl)carbamoyl)methyl)imino)diacetic acid Disofenine [INN-French] Disofenino [INN-Spanish] Disofeninum [INN-Latin] Disofenine Disofenino Disofeninum UNII-4V891LH5NB DSIDA (CAS 65717-97-7)
- 2-(6,8-Dichloro-4-oxoquinazolin-3(4H)-yl)-N-mesitylacetamide (CAS 618443-70-2)
- Semaglutide impurity 210 (CAS CATO-C4X-2226210)
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