N-(Isoxazol-3-yl)methanesulfonamide CAS 121680-52-2
| CAS No. | 121680-52-2 |
| Molecular Formula | C4H6N2O3S |
| Molecular Weight | 162.17 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
N-(Isoxazol-3-yl)methanesulfonamide (CAS 121680-52-2) is a high-purity analytical reference standard with the molecular formula C4H6N2O3S and a molecular weight of 162.17 g/mol.
Structurally, N-(Isoxazol-3-yl)methanesulfonamide (C4H6N2O3S) contains an amide group, a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 3.0, corresponding to approximately 3 ring(s) or double-bond equivalent(s). With a molecular weight of 162.17 g/mol, it falls into the medium-molecular-weight range. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
CATO manufactures N-(Isoxazol-3-yl)methanesulfonamide under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C4H6N2O3S |
| Molecular Weight | 162.17 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO, water |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 3.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1991 |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |
Related N Standards
- 1,2-Di(isoxazol-4-yl)ethene (CAS 169378-48-7)
- 1-(Isoxazol-3-yl)-1H-pyrrole-2-carbaldehyde (CAS 383135-78-2)
- 3-(Isoxazol-3-yl)pyrazin-2-ol (CAS 81411-75-8)
- 4-(Isoxazol-4-yl)pyrimidin-2(1H)-one (CAS 36508-34-6)
- 2-(Isoxazol-4-yl)phenol (CAS 1485818-86-7)
- 2-Isoxazol-3-yl-phenol (CAS 61348-48-9)
- 3-(Isoxazol-5-yl)phenol (CAS 391927-01-8)
- 4-(Isoxazol-4-yl)phenol (CAS 416860-20-3)
Recommended Standards
- 1h-Pyrazole-4-sulfonohydrazide (CAS 1183491-92-0)
- 1,2-oxazol-3-ylmethanesulfonamide (CAS 1375473-84-9)
- 2-Amino-<SUP>15</SUP>N-4,6-dimethoxypyrimidine-<SUP>15</SUP>N<SUB>2</SUB> (CAS 1173022-18-8)
- 1-methyl-1H-1,2,3-triazole-5-sulfonamide (CAS 1602410-39-8)
- 3-{[(2-ethylhexyl)oxy]methyl}aniline (CAS 1039311-50-6)
- 2-Chloro-N-[(cyclopropylcarbamoyl)methyl]-N-methylacetamide (CAS 854137-51-2)
- 2-(Difluoromethyl)-3-iodo-4-nitropyridine-5-acetic acid (CAS 1807096-18-9)
- Calcium tartrate (CAS 5892-21-7)
- (2-Chloropyridin-3-yl)(4-(2-hydroxyethyl)piperazin-1-yl)methanone (CAS 444791-56-4)
- 1-Chloro-4-[(4-phenoxybutyl)sulfanyl]benzene (CAS 339010-91-2)
- N-Benzylcinchoninium Chloride [Chiral Phase-Transfer Catalyst] (CAS 69221-14-3)
- 2-(1-((Dichloromethyl)sulfonyl)-2-(5-iodofuran-2-yl)vinyl)-5-nitrofuran (CAS 62429-79-2)
- 1-Butoxy-3,5-dichloro-2-fluorobenzene (CAS 1881288-60-3)
- Peptide Impurity 05 (CAS 2322924-83-2)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 18665070610 / Nicole.chen@cato-chem.com