2-Chloro-1-{4-[(5-chlorothiophen-2-yl)sulfonyl]piperazin-1-yl}ethan-1-one CAS 923775-35-3
| CAS No. | 923775-35-3 |
| Molecular Formula | C10H12Cl2N2O3S2 |
| Molecular Weight | 343.25 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
2-Chloro-1-{4-[(5-chlorothiophen-2-yl)sulfonyl]piperazin-1-yl}ethan-1-one (CAS 923775-35-3) is a high-purity analytical reference standard with the molecular formula C10H12Cl2N2O3S2 and a molecular weight of 343.25 g/mol.
Structurally, 2-Chloro-1-{4-[(5-chlorothiophen-2-yl)sulfonyl]piperazin-1-yl}ethan-1-one (C10H12Cl2N2O3S2) 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 5.0, corresponding to approximately 5 ring(s) or double-bond equivalent(s). With a molecular weight of 343.25 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 | C10H12Cl2N2O3S2 |
| Molecular Weight | 343.25 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO |
| 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) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 2 |
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Recommended Standards
- 2-{[4-(2,4-dichlorophenyl)-1,3-thiazol-2-yl]methyl}-1,3-thiazol-4-ol (CAS 860651-39-4)
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- 2,5-Dichloro-N-(3-methylbenzo[d]thiazol-2(3H)-ylidene)thiophene-3-carboxamide (CAS 476626-89-8)
- 4-((3,4-Dichlorobenzyl)thio)-1H-imidazo[4,5-d]pyridazine-7(6H)-thione (CAS 3438-86-6)
- tert-butyl N-(3,6-dichloropyridazin-4-yl)carbamate (CAS 887310-61-4)
- Homogentisic Acid-13C6 (CAS 1216468-48-2)
- (5-Bromo-2-methoxyphenyl)(cyclopropyl)methanone (CAS 69639-81-2)
- CAS 42123-22-8 (CAS 42123-22-8)
- 5-(Benzylthio)-1-methyl-1H-pyrazol-4-amine hydrochloride (CAS 2345666-85-3)
- 4-Chloro-3-cyclopropoxy-2-(trifluoromethyl)pyridine (CAS 1243463-58-2)
- Methyl 3-amino-5-methyl-1h-pyrrole-2-carboxylate (CAS 1255779-92-0)
- Oxirane, 2-methyl-, polymer with 2-[(2-propen-1-yloxy)methyl]oxirane (CAS 25104-27-2)
- 6-Amino-5-(dimethylamino)-1-propyl-1,2,3,4-tetrahydropyrimidine-2,4-dione (CAS 790232-21-2)
- Peptide 433 (CAS CATO-CPTD788433)
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