5-(3-Chlorophenyl)-3-(naphthalen-2-yl)-1-phenyl-4,5-dihydro-1H-pyrazole CAS 329779-78-4
| CAS No. | 329779-78-4 |
| Molecular Formula | C25H19ClN2 |
| Molecular Weight | 382.88 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO manufactures 5-(3-Chlorophenyl)-3-(naphthalen-2-yl)-1-phenyl-4,5-dihydro-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.
5-(3-Chlorophenyl)-3-(naphthalen-2-yl)-1-phenyl-4,5-dihydro-1H-pyrazole (CAS 329779-78-4) is a high-purity analytical reference standard with the molecular formula C25H19ClN2 and a molecular weight of 382.88 g/mol.
Owing to a nitrogen-containing heterocyclic scaffold, a nitrile group, chlorine substitution, 5-(3-Chlorophenyl)-3-(naphthalen-2-yl)-1-phenyl-4,5-dihydro-1H-pyrazole is typically pale yellow to yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 382.88 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.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C25H19ClN2 |
| Molecular Weight | 382.88 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 17.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 2 |
Related Chlorophenyl Standards
- 1-(4-(4-Chlorophenyl)thiazol-2-yl)-4-(4-methoxyphenyl)-1H-pyrazol-5-amine (CAS 956961-87-8)
- 1-{[3-(4-chlorophenyl)-1,2,4-oxadiazol-5-yl]methyl}-4-(2,6-dimethylphenyl)piperazine (CAS 860784-30-1)
- (2E)-2-[4-(4-Chlorophenyl)-1,3-thiazol-2-yl]-3-(3,4-dimethoxyphenyl)prop-2-enenitrile (CAS 326915-13-3)
- 4-(3-(4-Chlorophenyl)-1H-indol-2-yl)benzenesulfonamide (CAS 500870-88-2)
- 6-(4-Chlorophenyl)-2,3-diphenylimidazo[1,2-b][1,2,4]triazine (CAS 58431-82-6)
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Recommended Standards
- 2,5-Di(thiophen-2-yl)thiazole (CAS 54987-01-8)
- Loratadine (CAS 79794-75-5)
- (1-Butyl-4-piperidinyl)methyl-8-amino-7-chloro-1,4-benzodioxane-5-carboxylate (CAS 148702-58-3)
- Loratadine EP Impurity E (CAS 170727-59-0)
- 3-(2-Chloro-4-fluorophenyl)-5,6,7,8-tetrahydro-5,8-methanocinnoline (CAS 918874-22-3)
- 3-((1-(Methylthio)propan-2-yl)amino)thietane 1,1-dioxide (CAS 1870155-51-3)
- 8,14-Dihydro-14-methyl-11-(trifluoromethyl)-indolo[2',3':3,4]pyrido[2,1-b]quinazolin-5(7H)-one (CAS 747-91-1)
- (2E)-3-(Dimethylamino)-1-{4-methyl-2-[4-(trifluoromethyl)phenyl]-1,3-thiazol-5-yl}prop-2-en-1-one (CAS 499796-73-5)
- N-[4-(2-Chlorophenyl)-1,3-thiazol-2-yl]-2-(morpholin-4-yl)acetamide (CAS 338749-93-2)
- 3-(2-Methoxyphenoxy)-5-nitroaniline (CAS 832740-04-2)
- 2-Amino-1,2,3,4-tetrahydronaphthalene-1-carboxylic acid (CAS 103796-56-1)
- 1-Oxo-2-(4-phenoxyphenyl)-1,2,3,6,7,7a-hexahydro-3a,6-epoxyisoindole-7-carboxylic acid (CAS 1005151-01-8)
- 2-(4-Chloro-2-methylphenoxy)-1-((2-hydroxy-1H-indol-3-yl)diazenyl)ethan-1-one (CAS 321966-67-0)
- Semaglutide impurity 71 (CAS CATO-C4X-222671)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 18665070610 / Nicole.chen@cato-chem.com