5-Butyl-1,3-diphenyl-1H-pyrazole CAS 16492-64-1
| CAS No. | 16492-64-1 |
| Molecular Formula | C19H20N2 |
| Molecular Weight | 276.38 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Owing to a nitrogen-containing heterocyclic scaffold, a nitrile group, 5-Butyl-1,3-diphenyl-1H-pyrazole is typically pale yellow to yellow low-melting solid. Its solid-state physicochemical attributes — including a molecular weight of 276.38 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.
CATO supplies 5-Butyl-1,3-diphenyl-1H-pyrazole (CAS 16492-64-1), a certified reference material (molecular formula C19H20N2, MW 276.38 g/mol) for analytical method development and quality control.
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-Butyl-1,3-diphenyl-1H-pyrazole 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 | C19H20N2 |
| Molecular Weight | 276.38 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 11.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1961 |
| Nitrogen Atoms | 2 |
Related Butyl Standards
- 3-Butyl-1,5-diphenyl-1H-pyrazole (CAS 871110-25-7)
- 1020719-40-7 1,1-Diphenyl-N-{[(~2~H_4_)pyridin-3-yl]methyl}methanimine DTXSID30661941 (CAS 1020719-40-7)
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- 6,7-Diphenyl-1,2,3,4-tetrahydroimidazo[2,1-c][1,2,4]triazine (CAS 55754-05-7)
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- Diphenyl(o-tolyl)phosphine (CAS 5931-53-3)
- 4,6-Diphenyl-2-pyrimidinecarboxylic acid (CAS 6483-96-1)
- Diphenyl vinyl phosphate (CAS 33552-07-7)
Recommended Standards
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- (R)-1-(4-(5-Aminopyridin-2-yl)-3-methylpiperazin-1-yl)-2,2-dimethylpropan-1-one (CAS 1956435-87-2)
- Ipazilide (CAS 115436-73-2)
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- 5-Chloro-2-(trifluoromethoxy)benzaldehyde (CAS 1092461-15-8)
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