1,2-oxazol-3-ylmethanesulfonamide CAS 1375473-84-9
| CAS No. | 1375473-84-9 |
| Molecular Formula | C4H6N2O3S |
| Molecular Weight | 162.17 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Owing to an amide group, a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage, 1,2-oxazol-3-ylmethanesulfonamide is typically white to pale yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 162.17 g/mol — guide the selection of appropriate sample preparation and analytical techniques. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
1,2-oxazol-3-ylmethanesulfonamide (CAS 1375473-84-9), molecular formula C4H6N2O3S and molecular weight 162.17 g/mol, is a CATO reference standard with documented purity and traceability.
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.
CATO manufactures 1,2-oxazol-3-ylmethanesulfonamide 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 oxazol Standards
- N-1,2-Oxazol-3-ylsulfuric diamide (CAS 71565-64-5)
- 2-(Oxazol-4-yl)phenol (CAS 391927-10-9)
- 2-(Oxazol-5-yl)phenol (CAS 391927-03-0)
- 3-(Oxazol-5-yl)phenol (CAS 940303-49-1)
- 4-(Oxazol-2-yl)phenol (CAS 68535-56-8)
- 4-(Oxazol-4-yl)phenol (CAS 57801-65-7)
- 4-Phenyl-oxazol-2-ol (CAS 34375-80-9)
- 5-Phenyl-1,2-oxazol-3-ol (CAS 939-05-9)
Recommended Standards
- N-(Isoxazol-3-yl)methanesulfonamide (CAS 121680-52-2)
- 1-methyl-1H-1,2,3-triazole-5-sulfonamide (CAS 1602410-39-8)
- 1h-Pyrazole-4-sulfonohydrazide (CAS 1183491-92-0)
- 1-methyl-1H-pyrazole-4-sulfonic acid (CAS 1798770-47-4)
- Tert-butyl (r)-3-(cyclobutanecarboxamido)piperidine-1-carboxylate (CAS 1286207-13-3)
- 2-Amino-2-(2-methoxyphenyl)acetonitrile (CAS 96929-45-2)
- (R)-4-((Diethylamino)methyl)-N-(2-methoxyphenethyl)-N-(pyrrolidin-3-yl)benzamide (CAS 947303-87-9)
- 3-Chloro-N-(3-cyano-4,5,6,7-tetrahydrobenzo[b]thiophen-2-yl)-2,2-dimethylpropanamide (CAS 866018-18-0)
- 2-(4-((4-Fluorophenyl)sulfonyl)piperazin-1-yl)-4,6-dimethylnicotinonitrile (CAS 478081-73-1)
- Cypermethrin D5（Isomeric Mixture） (CAS 2140327-50-8)
- 2,4-Dichloro-3-cyano-5-fluorobenzoyl chloride (CAS 117528-59-3)
- 2-(1,3-benzoxazol-2-yl)propan-1-amine dihydrochloride (CAS 2060037-06-9)
- Tert-butyl 3-(hydroxymethyl)-3-methoxypiperidine-1-carboxylate (CAS 2026177-07-9)
- Liraglutide Impurity 22 (CAS 536721-25-2)
Why CATO?
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