4-(3,5-Diphenyl-4,5-dihydro-1H-pyrazol-1-yl)benzenesulfonic acid CAS 92708-87-7
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 92708-87-7 |
| Molecular Formula | C21H18N2O3S |
| Molecular Weight | 378.44 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
4-(3,5-Diphenyl-4,5-dihydro-1H-pyrazol-1-yl)benzenesulfonic acid (CAS 92708-87-7) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C21H18N2O3S. Molecular weight: 378.44 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C21H18N2O3S |
| Molecular Weight | 378.44 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) | 14.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1983 |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |
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Recommended Standards
- 3-[4-(4-fluorophenyl)-5-sulfanyl-4H-1,2,4-triazol-3-yl]-N,N-dimethylbenzene-1-sulfonamide (CAS 519152-65-9)
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- 3-((2-Hydroxybenzyl)(p-tolyl)amino)benzo[d]isothiazole 1,1-dioxide (CAS 433315-00-5)
- 1-Fluorocyclopentane-1-carboxamide (CAS 1855739-61-5)
- 2-Chloro-n-propyl-n-[(propylcarbamoyl)methyl]acetamide (CAS 1178363-63-7)
- (R)-2-amino-2-(2-fluoro-6-methoxyphenyl)ethan-1-ol (CAS 1213512-19-6)
- 4-(chloromethyl)pyridazine (CAS 94693-72-8)
- 2-(5-Amino-[1,3,4]thiadiazol-2-ylsulfanyl)-N,N-diethyl-acetamide (CAS 332393-85-8)
- 2-(1,2,3,4-Tetrahydroquinolin-5-yl)acetic acid (CAS 1146298-67-0)
- Des-Ile27-Tirzepatide (CAS CATO-CPTD788946)
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