3-(4-Methoxyphenyl)-5-phenyl-1H-pyrazole CAS 32664-28-1
| CAS No. | 32664-28-1 |
| Molecular Formula | C27H19N3O3 |
| Molecular Weight | 433.46 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Structurally, 3-(4-Methoxyphenyl)-5-phenyl-1H-pyrazole (C27H19N3O3) contains a steroid core, an amide group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 20.0, corresponding to approximately 20 ring(s) or double-bond equivalent(s). With a molecular weight of 433.46 g/mol, it falls into the moderately-high-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
CATO supplies 3-(4-Methoxyphenyl)-5-phenyl-1H-pyrazole (CAS 32664-28-1), a certified reference material (molecular formula C27H19N3O3, MW 433.46 g/mol) for analytical method development and quality control.
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.
CATO manufactures 3-(4-Methoxyphenyl)-5-phenyl-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 | C27H19N3O3 |
| Molecular Weight | 433.46 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°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) | 20.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1966 |
| Nitrogen Atoms | 3 |
Related Methoxyphenyl Standards
- 1-((5-(3-Methoxyphenyl)-1,2,4-oxadiazol-3-yl)methyl)-5-(3-(thiophen-3-yl)-1,2,4-oxadiazol-5-yl)pyridin-2(1H)-one (CAS 1396857-79-6)
- 5-(2-Methoxyphenyl)-3-(phenylsulfonyl)-7-(trifluoromethyl)pyrazolo[1,5-a]pyrimidine (CAS 685107-95-3)
- 5-(4-Methoxyphenyl)-3-(phenylsulfonyl)-7-(trifluoromethyl)pyrazolo[1,5-a]pyrimidine (CAS 685107-94-2)
- Methyl 2-({[1-(4-methoxyphenyl)-2-oxo-4-phenylazetidin-3-yl]methyl}sulfanyl)benzoate (CAS 866049-18-5)
- 4-Ethyl-3-{[(4-methoxyphenyl)methyl]sulfanyl}-5-{4H,5H-naphtho[1,2-b]thiophen-2-yl}-4H-1,2,4-triazole (CAS 477887-91-5)
- 7-(4-Methoxyphenyl)-2-(4-(m-tolyl)piperazin-1-yl)thieno[3,2-d]pyrimidin-4-ol (CAS 1226427-52-6)
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Recommended Standards
- 3-(1-Ethyl-4-hydroxy-2-oxo-1,2-dihydroquinolin-3-yl)-N-(furan-2-ylmethyl)-3-((furan-2-ylmethyl)imino)propanamide (CAS 882747-58-2)
- Ethyl (8S,8aR)-6-amino-5,7,7-tricyano-8-(3,5-dimethoxyphenyl)-1,2,3,7,8,8a-hexahydroisoquinoline-2-carboxylate (CAS 494792-25-5)
- 2-{3-[4-methyl-6-oxo-2-(3-oxo-2,3,4,5,6,7-hexahydro-1H-indazol-2-yl)-1,6-dihydropyrimidin-5-yl]propyl}-2,3-dihydro-1H-isoindole-1,3-dione (CAS 900014-76-8)
- N-(4-((tert-butyldimethylsilyl)oxy)-2-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)pivalamide (CAS 2390149-49-0)
- Dimethyl fluoren-9-ylidene malonate (CAS 119292-75-0)
- 4-(2-(4-Aminophenoxy)acetamido)benzene-1-sulfonyl fluoride (CAS 21316-06-3)
- Ethyl 1-(1-methylcyclohexyl)-1H-pyrazole-4-carboxylate (CAS 2504239-22-7)
- 4-amino-5-(oxan-2-yl)-4H-1,2,4-triazole-3-thiol (CAS 1250977-49-1)
- 1-[(4-bromo-1h-pyrazol-1-yl)methyl]-1h-pyrazole-3-carboxylic acid (CAS 1001755-12-9)
- 1-pyrazin-2-ylethanone hydrazone (CAS 220276-54-0)
- N,N-dimethyl-1H-thieno[2,3-c]pyrazol-3-amine (CAS 2227272-46-8)
- Faropenem Impurity 65 (CAS CATO-C4X-128965)
- 7-chlorothieno[3,2-b]pyridine-2-carbonitrile (CAS 380235-83-6)
- Calcium-Like Peptide 3 (CAS 261969-05-5)
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