2-Chloro-1-[4-[(4-chlorophenyl)sulfonyl]-1-piperazinyl]ethanone CAS 731011-99-7
| CAS No. | 731011-99-7 |
| Molecular Formula | C12H14Cl2N2O3S |
| Molecular Weight | 337.22 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
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.
2-Chloro-1-[4-[(4-chlorophenyl)sulfonyl]-1-piperazinyl]ethanone (CAS 731011-99-7), molecular formula C12H14Cl2N2O3S and molecular weight 337.22 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C12H14Cl2N2O3S, 2-Chloro-1-[4-[(4-chlorophenyl)sulfonyl]-1-piperazinyl]ethanone contains a nitrogen-containing heterocyclic scaffold, an amide group, a sulfone group, a hydroxyl group, an ether linkage, chlorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 337.22 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. 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.
Physical & Chemical Properties
| Molecular Formula | C12H14Cl2N2O3S |
| Molecular Weight | 337.22 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; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1986 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |
Related Chloro Standards
- (2E)-7-Chloro-2-{[(2-chlorophenyl)amino]methylidene}-3,4-dihydro-2H-1,4-benzothiazin-3-one (CAS 338417-08-6)
- (2E)-7-Chloro-2-{[(3-chlorophenyl)amino]methylidene}-3,4-dihydro-2H-1,4-benzothiazin-3-one (CAS 338417-09-7)
- (2E)-7-Chloro-2-{[(4-chlorophenyl)amino]methylidene}-3,4-dihydro-2H-1,4-benzothiazin-3-one (CAS 338417-14-4)
- 2-Chloro-1-[4-(2-chlorobenzenesulfonyl)piperazin-1-yl]ethan-1-one (CAS 923756-84-7)
- 2-Chloro-4-(piperidine-1-carboxamido)benzenesulfonyl chloride (CAS 680617-78-1)
- 2-Chloro-N-[2-chloro-5-(pyrrolidine-1-sulfonyl)phenyl]acetamide (CAS 380432-18-8)
- 3-Chloro-4-(piperidine-1-carboxamido)benzene-1-sulfonyl chloride (CAS 678185-85-8)
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Recommended Standards
- 2-C-Methyl 5-Cytidylic Acid (CAS 386213-38-3)
- 2-[3,5-Dimethyl-4-(4,4,5,5-tetramethyl-[1,3,2]dioxaborolan-2-yl)-pyrazol-1-ylmethyl]-benzonitrile (CAS 2246901-96-0)
- 2-Phenyl-N-(2-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)acetamide (CAS 2246696-13-7)
- 2,6-Dichloro-N-(2-oxo-2-(pyrrolidin-1-yl)ethyl)benzenesulfonamide (CAS 690647-27-9)
- 5,5'-(Terephthaloylbis(azanediyl))diisophthalic acid (CAS 120360-52-3)
- 2-(1,3-Dioxoisoindolin-2-yl)-3-methylbutanoic acid (CAS 5115-65-1)
- 2-(4-iodophenoxy)propanoic acid (CAS 10442-48-5)
- (2,4-Dioxo-1,3-diazaspiro[4.4]non-3-yl)-acetonitrile (CAS 1016835-29-2)
- 1-(2,3-Dihydrobenzofuran-2-yl)ethanone (CAS 19863-70-8)
- (R)-1-Aminonon-8-enylboronic Acid, Pinanediol Ester Tosylate (CAS 1198772-70-1)
- 2'-Methoxy-biphenyl-2-carboxylic acid amide (CAS 67856-55-7)
- 8-Methyl-4-(piperazin-1-yl)-5H-pyrimido[5,4-b]indole hydrochloride (CAS 1030028-56-8)
- (2R,3R,4S,5R)-2-(6-Amino-8-(butylamino)-9H-purin-9-yl)-5-(hydroxymethyl)tetrahydrofuran-3,4-diol (CAS 65456-84-0)
- Neuropeptide K (human, porcine, rat) trifluoroacetate salt (CAS 96827-05-3)
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