1-[4-(3-acetylbenzenesulfonyl)piperazin-1-yl]-2-chloroethan-1-one CAS 923721-75-9
| CAS No. | 923721-75-9 |
| Molecular Formula | C14H17ClN2O4S |
| Molecular Weight | 344.81 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), 1-[4-(3-acetylbenzenesulfonyl)piperazin-1-yl]-2-chloroethan-1-one 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.
1-[4-(3-acetylbenzenesulfonyl)piperazin-1-yl]-2-chloroethan-1-one (CAS 923721-75-9), molecular formula C14H17ClN2O4S and molecular weight 344.81 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, 1-[4-(3-acetylbenzenesulfonyl)piperazin-1-yl]-2-chloroethan-1-one (C14H17ClN2O4S) contains a nitrogen-containing heterocyclic scaffold, an amide group, a sulfone group, a hydroxyl group, an ether linkage, chlorine substitution. 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 344.81 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.
Physical & Chemical Properties
| Molecular Formula | C14H17ClN2O4S |
| Molecular Weight | 344.81 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) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |
Related acetylbenzenesulfonyl Standards
- 1-[4-(4-acetylbenzenesulfonyl)piperazin-1-yl]-2-chloroethan-1-one (CAS 879319-23-0)
- 1-(3-Acetylbenzenesulfonyl)piperidine-4-carboxylic acid (CAS 790270-87-0)
- 1-(4-Acetylbenzenesulfonyl)piperidine-4-carboxylic acid (CAS 781626-93-5)
- 2-(4-acetylbenzenesulfonyl)acetamide (CAS 1266854-36-7)
- 4-acetylbenzenesulfonyl chloride (CAS 1788-10-9)
- 3-Acetylbenzenesulfonyl chloride (CAS 73035-16-2)
Recommended Standards
- (2Z)-3-[(3-Chloro-4-methylphenyl)amino]-2-[4-(3-fluoropropoxy)phenyl]prop-2-enenitrile (CAS 477889-16-0)
- (2R)-2-(3-Chloro-4-(methylsulfonyl)phenyl)-3-(2-oxocyclopentyl)propanoic acid (CAS 625113-52-2)
- 4'-((4-Chlorophenyl)sulfonyl)-[1,1'-biphenyl]-4-ol (CAS 30809-75-7)
- (2E)-3-(4-Chlorophenyl)-1-[4-(4-fluorophenyl)piperazin-1-yl]prop-2-en-1-one (CAS 329080-13-9)
- rac Rasagiline-13C3 Mesylate (CAS 1216757-55-9)
- 1-(4-Methylcyclohexyl)azetidin-3-amine (CAS 1340553-86-7)
- 3-{[(4-chlorophenyl)methyl]sulfanyl}-5-[(E)-2-(dimethylamino)ethenyl]-1,2-thiazole-4-carbonitrile (CAS 338778-57-7)
- Bevantolol Impurity 18 (CAS CATO-C4X-241118)
- 2-Bromo-6-fluoroisonicotinonitrile (CAS 1804381-03-0)
- N-(3-Amino-4-chlorophenyl)-2-phenoxyacetamide (CAS 953891-92-4)
- 2-Hydroxy-N,2-diphenylacetamide (CAS 4410-33-7)
- (S)-2-Amino-N-(1-benzyl-piperidin-3-yl)-N-methyl-propionamide (CAS 1401666-49-6)
- Des-2-methyl-2-hydroxymethyl Metalaxy (CAS 85933-49-9)
- Cycloaspeptide A (CAS 109171-13-3)
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