(S)-N-(4-Chlorobutan-2-yl)methanesulfonamide CAS 1801456-91-6
| CAS No. | 1801456-91-6 |
| Molecular Formula | C5H12ClNO2S |
| Molecular Weight | 185.67 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 185.67 g/mol gives (S)-N-(4-Chlorobutan-2-yl)methanesulfonamide distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
(S)-N-(4-Chlorobutan-2-yl)methanesulfonamide (CAS 1801456-91-6), molecular formula C5H12ClNO2S and molecular weight 185.67 g/mol, is a CATO reference standard with documented purity and traceability.
The molecular framework of (S)-N-(4-Chlorobutan-2-yl)methanesulfonamide (C5H12ClNO2S) is characterized by an amide group, a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage, chlorine substitution. In reversed-phase chromatography, its retention is governed primarily by the protonation state of its nitrogen-containing groups, which provides a practical basis for HPLC-UV/DAD or LC-MS method development. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
As a certified reference material (CRM), (S)-N-(4-Chlorobutan-2-yl)methanesulfonamide 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.
Physical & Chemical Properties
| Molecular Formula | C5H12ClNO2S |
| Molecular Weight | 185.67 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | Light-sensitive; avoid direct strong light; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 0.0 |
| CAS Registry Year (est.) | 1995 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
Recommended Standards
- 2-(4-Chlorophenyl)thioacetamide (CAS 17518-48-8)
- N-Methyl-N-phenylthiocarbamoyl chloride (CAS 19009-45-1)
- 4-Chloro-2-(cyclopropylthio)pyridine (CAS 1346707-35-4)
- 1-Chloro-N,N-diethylmethanesulfonamide (CAS 56401-81-1)
- 1,3,5-Triphenylpentane-1,5-dione (CAS 6263-84-9)
- Bis(2-((2-hydroxyethyl)amino)ethyl) hydrogen borate (CAS 98072-03-8)
- 1-(3,4-Dihydro-2H-1-Benzopyran-3-yl-4-(4-Fluorophenyl)Piperazine (CAS 83823-55-6)
- Ethyl 3-(diethoxyphosphoryl)-4-oxopentanoate (CAS 57648-56-3)
- 3-(1-Methyl-3-(2-methylbutyl)pyrrolidin-3-yl)phenol (CAS 38906-47-7)
- 2-Chloro-N-methyl-7H-pyrrolo[2,3-d]pyrimidin-4-amine (CAS 934524-27-3)
- 2-Chlorobenzo[d]oxazole-5-carboxylic acid (CAS 1198793-49-5)
- Methyl 5-(diethylcarbamoyl)-4-methyl-2-(thiophene-2-carboxamido)thiophene-3-carboxylate (CAS 438619-11-5)
- (2-chloro-[4]pyridyl)-hydrazine (CAS 700811-29-6)
- Semaglutide impurity 97 (CAS CATO-C4X-222697)
Why CATO?
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