(2E)-3-[3-(3,4-Dimethoxyphenyl)-1-phenyl-1H-pyrazol-4-yl]-2-phenylprop-2-enenitrile CAS 956166-18-0
| CAS No. | 956166-18-0 |
| Molecular Formula | C26H21N3O2 |
| Molecular Weight | 407.46 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO manufactures (2E)-3-[3-(3,4-Dimethoxyphenyl)-1-phenyl-1H-pyrazol-4-yl]-2-phenylprop-2-enenitrile 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.
(2E)-3-[3-(3,4-Dimethoxyphenyl)-1-phenyl-1H-pyrazol-4-yl]-2-phenylprop-2-enenitrile (CAS 956166-18-0), molecular formula C26H21N3O2 and molecular weight 407.46 g/mol, is a CATO reference standard with documented purity and traceability.
(2E)-3-[3-(3,4-Dimethoxyphenyl)-1-phenyl-1H-pyrazol-4-yl]-2-phenylprop-2-enenitrile (C26H21N3O2) contains a steroid core, an amide group, a hydroxyl group, an ether linkage. It is notably hygroscopic, the carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
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.
Physical & Chemical Properties
| Molecular Formula | C26H21N3O2 |
| Molecular Weight | 407.46 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) | 18.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Nitrogen Atoms | 3 |
Related E Standards
- 1-{2-[3-(3,4-dimethoxyphenyl)-1,2,4-oxadiazol-5-yl]pyrrolidin-1-yl}-3-phenylpropan-1-one (CAS 1798659-42-3)
- 6-(3,4-Dimethoxyphenyl)-1-ethyl-4-(mesitylimino)-3-methyl-3,4-dihydropyrimidin-2(1H)-one (CAS 94936-90-0)
- N-(5-(2,4-Dimethoxyphenyl)-1,3,4-thiadiazol-2-yl)-2-((4-methyl-4H-1,2,4-triazol-3-yl)thio)propanamide (CAS 394236-03-4)
- 3-(3,5-Dimethoxyphenyl)-5-(((6-phenylpyridazin-3-yl)thio)methyl)-1,2,4-oxadiazole (CAS 1111260-28-6)
- 5-(3-(3,4-Dimethoxyphenyl)-1-(methylsulfonyl)-4,5-dihydro-1H-pyrazol-5-yl)-2-methoxyphenol (CAS 927136-54-7)
- 4-(3,4-Dimethoxyphenyl)-6-methyl-5-(3-phenyl-1,2,4-oxadiazol-5-yl)-3,4-dihydropyrimidine-2(1H)-thione (CAS 892301-74-5)
- 10-(3,4-Dimethoxyphenyl)-3-heptyl-7-methyl-1,3,8,12-tetraazatricyclo[7.3.0.0^{2,6}]dodeca-2(6),7,9,11-tetraene (CAS 685108-52-5)
- 4-[2-(2,6-Dimethoxyphenyl)-7-methyl-1H-benzimidazol-5-yl]-N-methyl-1-piperidineethanamine (CAS 912970-67-3)
Recommended Standards
- (13aS)-12,13,13a,14-Tetrahydro-2,3,6,7-tetramethoxydibenzo[f,h]pyrrolo[1,2-b]isoquinolin-11(9H)-one (CAS 87302-61-2)
- 2-[[4-(3,5-Dimethyl-1H-Pyrazol-1-yl-1-Phthalazinyl]Thio]-N-(4-Fluorophenyl)-Acetamide (CAS 606122-31-0)
- Boc-Ala-D-Glu(OBzl)-NH2 (CAS 18814-49-8)
- 3-(3-Phenoxyphenyl)-N-(4-phenoxyphenyl)acrylamide (CAS 478258-17-2)
- 2-(4-Methylpiperidine-1-carbothioylsulfanyl)acetic acid (CAS 6499-12-3)
- (1-Mesitylethyl)hydrazine (CAS 1016498-75-1)
- 1185301-61-4 4-(4-Methyl-4H-[1,2,4]triazol-3-yl)-piperidinedihydrochloride (CAS 1185301-61-4)
- Lithium 3-(azetidin-1-yl)propanoic acid (CAS 2102410-37-5)
- 2-Bromo-5-methylthiazole (CAS 41731-23-1)
- 1-(1H-Benzo[d]imidazol-2-yl)-2-phenylethan-1-amine dihydrochloride (CAS 25810-64-4)
- N-(sec-butyl)-4-methylpyridin-3-amine (CAS 1343906-49-9)
- N-(4-(aminomethyl)-6-methylpyridin-2-yl)propionamide (CAS 1477900-11-0)
- 4-(4,5-Dihydro-1h-imidazol-2-yl)-piperidine (CAS 790164-60-2)
- Des-Ile12-Aib13-Tirzepatide (CAS CATO-CPTD788960)
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