3-Amino-N-(5-methyl-1,2-oxazol-3-yl)benzene-1-sulfonamide CAS 954563-97-4
| CAS No. | 954563-97-4 |
| Molecular Formula | C10H11N3O3S |
| Molecular Weight | 253.28 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Structurally, 3-Amino-N-(5-methyl-1,2-oxazol-3-yl)benzene-1-sulfonamide (C10H11N3O3S) contains a nitrogen-containing heterocyclic scaffold, an amide group, a sulfone group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 7.0, corresponding to approximately 7 ring(s) or double-bond equivalent(s). With a molecular weight of 253.28 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.
3-Amino-N-(5-methyl-1,2-oxazol-3-yl)benzene-1-sulfonamide (CAS 954563-97-4) is a high-purity analytical reference standard with the molecular formula C10H11N3O3S and a molecular weight of 253.28 g/mol.
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.
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 | C10H11N3O3S |
| Molecular Weight | 253.28 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 |
| Degree of Unsaturation (DBE) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Nitrogen Atoms | 3 |
| Sulfur Atoms | 1 |
Related Amino Standards
- Methyl 4-amino-2-((furan-2-ylmethyl)amino)thiazole-5-carboxylate (CAS 1193388-37-2)
- Ethyl 2-amino-4-(1-methyl-1H-1,2,4-triazol-5-yl)thiazole-5-carboxylate (CAS 1229426-21-4)
- 4-Amino-N-(4-methylisoxazol-3-yl)benzenesulfonamide (CAS 1829-84-1)
- 2-(6-Amino-9H-purin-8-ylsulfanyl)-butyric acid (CAS 436086-77-0)
- 3-(5-Amino-3-methyl-1H-pyrazol-1-yl)benzenesulfonic acid (CAS 23646-86-8)
- 4-Amino-2-(methylamino)-N-(5-methylisoxazol-3-yl)thiazole-5-carboxamide (CAS 664999-78-4)
- 5-amino-1-(4-methylbenzenesulfonyl)-2,3-dihydro-1H-pyrazol-3-one (CAS 240117-38-8)
- Ethyl 7-amino-2-(methylthio)-[1,2,4]triazolo[1,5-a]pyrimidine-6-carboxylate (CAS 90559-98-1)
Recommended Standards
- 3-[(4-Methoxyphenyl)methanesulfonyl]-1H-1,2,4-triazole (CAS 339105-73-6)
- 3-(5-Imino-3-methyl-4,5-dihydro-1H-pyrazol-1-yl)benzenesulfonic acid (CAS 68083-38-5)
- 5-(Methoxymethyl)-N-(5-methyl-1,3,4-thiadiazol-2-yl)furan-2-carboxamide (CAS 881933-24-0)
- 3-(5-Formylimidazo[2,1-b]thiazol-6-yl)benzonitrile (CAS 860788-32-5)
- 8-Bromo-2-chloro-9-ethyl-9H-purin-6-amine (CAS 482364-31-8)
- 2-Chloro-4-((3-(methylthio)propyl)amino)benzonitrile (CAS 1097815-86-5)
- Methyl 1-methylpyrrolidine-2-carboxylate (CAS 933-94-8)
- 3-Iodo-4-methoxy-indole-1-carboxylic acid tert-butyl ester (CAS 1309365-09-0)
- tert-Butyl(1-(1,4-dimethyl-1h-imidazol-2-yl)ethyl)carbamate (CAS 887344-31-2)
- 5-Fluoro-2-methyl-4-nitro-1H-benzo[d]imidazole (CAS 1080522-30-0)
- 3-Amino-4-hydroxy-1,5-dihydro-6H-pyrazolo[4,3-c]pyridin-6-one (CAS 120267-11-0)
- Fevipiprant (CAS 872365-14-5)
- Valproate Impurity 77 (CAS CATO-C4X-116677)
- Semaglutide impurity 276 (CAS CATO-C4X-2226276)
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