5-sulfamoyl-1,2-oxazole-3-carboxamide CAS 1909327-98-5
| CAS No. | 1909327-98-5 |
| Molecular Formula | C4H5N3O4S |
| Molecular Weight | 191.17 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
5-sulfamoyl-1,2-oxazole-3-carboxamide (CAS 1909327-98-5), molecular formula C4H5N3O4S and molecular weight 191.17 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, 5-sulfamoyl-1,2-oxazole-3-carboxamide (C4H5N3O4S) contains a carbohydrate-derived structure, an amide group, a sulfone group. The molecule exhibits a degree of unsaturation (DBE) of 4.0, corresponding to approximately 4 ring(s) or double-bond equivalent(s). With a molecular weight of 191.17 g/mol, it falls into the medium-molecular-weight range. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
CATO manufactures 5-sulfamoyl-1,2-oxazole-3-carboxamide 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 | C4H5N3O4S |
| Molecular Weight | 191.17 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) | 4.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1995 |
| Nitrogen Atoms | 3 |
| Sulfur Atoms | 1 |
Related sulfamoyl Standards
- 2-Sulfamoyl-1H-imidazole-4-carboxylic acid (CAS 103054-45-1)
- 3-sulfamoyl-1H-pyrazole-4-carboxylic acid (CAS 178880-04-1)
- 5-Sulfamoyl-1H-1,2,4-triazole-3-carboxylic acid (CAS 313963-93-8)
- 4-sulfamoyl-1H-pyrrole-2-carboxylic acid (CAS 1042556-50-2)
- 4-Sulfamoyl-1H-imidazole-5-carboxamide (CAS 61006-86-8)
- 3-Sulfamoyl-butyric acid methyl ester (CAS 1316222-19-1)
- 1-Methyl-4-sulfamoyl-1h-pyrrole-2-carboxamide (CAS 1000931-97-4)
- Methyl 4-sulfamoyl-1h-pyrrole-2-carboxylate (CAS 1482247-16-4)
Recommended Standards
- 1,1,1-Trifluoro-n-propylmethanesulfonamide (CAS 34310-27-5)
- 2,4,5-trifluorobenzothioamide (CAS 1537764-75-2)
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- 4,4,4-trifluorobutane-1-sulfonamide (CAS 1427379-30-3)
- (2R,3S,4R,5S,6S)-2-(Hydroxymethyl)-6-(nitromethyl)tetrahydro-2H-pyran-3,4,5-triol (CAS 93302-92-2)
- 276877-15-7 Ethyl 3-(4-methoxybenzoyl)benzoate DTXSID50641487 (CAS 276877-15-7)
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- 6-Methyl-N-(2,4,4-trimethylpentan-2-yl)imidazo[1,2-a]pyrazin-3-amine (CAS 823806-70-8)
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- GCLE (CAS 104146-10-3)
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- N-Tritylethanolamine (CAS 24070-16-4)
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Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
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