3,5,6-Triphenyl-1,4-dihydropyridazine CAS 87439-77-8
| CAS No. | 87439-77-8 |
| Molecular Formula | C22H18N2 |
| Molecular Weight | 310.39 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
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 supplies 3,5,6-Triphenyl-1,4-dihydropyridazine (CAS 87439-77-8), a certified reference material (molecular formula C22H18N2, MW 310.39 g/mol) for analytical method development and quality control.
Owing to a nitrogen-containing heterocyclic scaffold, a nitrile group, 3,5,6-Triphenyl-1,4-dihydropyridazine is typically pale yellow to yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 310.39 g/mol — guide the selection of appropriate sample preparation and analytical techniques. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
Physical & Chemical Properties
| Molecular Formula | C22H18N2 |
| Molecular Weight | 310.39 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| 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) | 15.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1981 |
| Nitrogen Atoms | 2 |
Related Triphenyl Standards
- 2-Methyl-2,4,5-triphenyl-2H-imidazole (CAS 87880-13-5)
- Triphenyl phosphite (CAS 101-02-0)
- 3274-60-0 2-Methyl-3,4,5-triphenyl-1H-pyrrole DTXSID80501666 (CAS 3274-60-0)
- 3,5,6-Triphenyl-1,2,4-triazine (CAS 24108-44-9)
- 2,4,6-Triphenyl-1,3,5-triazine (CAS 493-77-6)
- 2,4,6-Triphenyl-1,3,5,2,4,6-triazatriborinane (CAS 976-28-3)
- 1,2,5-Triphenyl-1H-phosphole (CAS 1162-70-5)
- 1,4,5-Triphenyl-1H-pyrazol-3(2H)-one (CAS 5022-92-4)
Recommended Standards
- 3,4-Dibenzylcinnoline (CAS 23952-14-9)
- 3-{[(4-oxo-3,5,6,7-tetrahydro-4H-cyclopenta[4,5]thieno[2,3-d]pyrimidin-2-yl)methyl]thio}propanoic acid (CAS 790719-54-9)
- 3-(4-Fluorophenyl)-6-((2-methylbenzyl)thio)pyridazine (CAS 897735-42-1)
- 3-Acetoxy-4-pentylbenzophenone (CAS 890099-94-2)
- 3-Cyclobutyl-1,4-thiazepane (CAS 1781164-65-5)
- 3-([1,1'-Biphenyl]-2-yl)-2-(aminomethyl)propanoic acid (CAS 1260589-50-1)
- Methyl 2-(3-amino-2-oxopiperidin-1-yl)acetate (CAS 1341881-64-8)
- (2-(4-Fluorophenyl)-5-methyloxazol-4-yl)methanol (CAS 109544-18-5)
- 2-{6-methylimidazo[2,1-b][1,3]thiazol-5-yl}-5-(propan-2-ylsulfanyl)-1,3,4-oxadiazole (CAS 478066-61-4)
- H-Glu-βNA (CAS 635-86-9)
- 2-Chloro-4-(chloromethoxy)-1-nitrobenzene (CAS 1537788-40-1)
- Ethyl 3-Phenoxybenzoate (CAS 60677-14-7)
- Di-n-butylbis(dodecylthio)tin (CAS 1185-81-5)
- Semaglutide impurity 96 (CAS CATO-C4X-222696)
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