N-(4,5-Dihydro-1H-pyrazol-3-yl)-4-methylbenzenesulfonamide CAS 637351-76-9
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 637351-76-9 |
| Molecular Formula | C10H13N3O2S |
| Molecular Weight | 239.29 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
N-(4,5-Dihydro-1H-pyrazol-3-yl)-4-methylbenzenesulfonamide (CAS 637351-76-9) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C10H13N3O2S. Molecular weight: 239.29 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C10H13N3O2S |
| Molecular Weight | 239.29 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1985 |
| Nitrogen Atoms | 3 |
| Sulfur Atoms | 1 |
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Recommended Standards
- N-(5-Oxo-5,6,7,8-tetrahydronaphthalen-2-yl)methanesulfonamide (CAS 66361-80-6)
- Methyl 4-(2-(methylthio)acetamido)benzoate (CAS 851111-33-6)
- N-Boc-2-fluoro-1-phenylethanamine (CAS 2006278-27-7)
- 4-((Oxetan-3-ylamino)methyl)benzonitrile (CAS 1342705-62-7)
- Perchlorophenyl (E)-3-(4-(phosphonooxy)phenyl)but-2-enoate (CAS 1247847-63-7)
- Ac-p-amino-Phe-OMe (CAS 36097-42-4)
- 6-[(4-Methoxyphenyl)sulfanyl]-3-(trifluoromethyl)-[1,2,4]triazolo[4,3-b]pyridazine (CAS 339017-51-5)
- [3-(2-methylpropoxy)phenyl]methanol (CAS 1021064-15-2)
- 2,3-Dihydro-1-benzofuran-5-carbothioamide (CAS 306936-08-3)
- Peptide Impurity 06 (CAS CATO-CPTD788806)
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