3-(4-Cyclohexylphenyl)-1-phenyl-1h-pyrazol-5-amine CAS 956159-37-8
| CAS No. | 956159-37-8 |
| Molecular Formula | C21H23N3 |
| Molecular Weight | 317.43 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.
3-(4-Cyclohexylphenyl)-1-phenyl-1h-pyrazol-5-amine (CAS 956159-37-8), molecular formula C21H23N3 and molecular weight 317.43 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, 3-(4-Cyclohexylphenyl)-1-phenyl-1h-pyrazol-5-amine (C21H23N3) contains a nitrogen-containing heterocyclic scaffold, a nitrile group. The molecule exhibits a degree of unsaturation (DBE) of 12.0, corresponding to approximately 12 ring(s) or double-bond equivalent(s). With a molecular weight of 317.43 g/mol, it falls into the moderately-high-molecular-weight range. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
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 | C21H23N3 |
| Molecular Weight | 317.43 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) | 12.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Nitrogen Atoms | 3 |
Related Cyclohexylphenyl Standards
- 2-(4-Cyclohexylphenyl)imidazo[1,2-a]pyridine-6-carboxylic acid (CAS 900019-67-2)
- 3-((4-Cyclohexylphenyl)amino)-1-(thiophen-2-yl)propan-1-one (CAS 883793-31-5)
- 3-((4-Cyclohexylphenyl)amino)-1-(p-tolyl)propan-1-one (CAS 882748-72-3)
- 1-((4-Cyclohexylphenyl)sulfonyl)-4-methylpiperidine (CAS 431069-52-2)
- 1-((4-Cyclohexylphenyl)sulfonyl)azepane (CAS 431891-14-4)
- N2-(4-cyclohexylphenyl)-4,6-dichloro-1,3,5-triazin-2-amine (CAS 219499-75-9)
- 2-(((4-Cyclohexylphenyl)amino)methyl)-5-methoxyphenol (CAS 763130-01-4)
- 5-(4-Cyclohexylphenyl)-2-(methylsulfanyl)-[1,2,4]triazolo[1,5-a]pyrimidine (CAS 861210-27-7)
Recommended Standards
- 3-(3-(Benzyloxy)thiophen-2-yl)-4-methyl-5-(methylthio)-4H-1,2,4-triazole (CAS 343375-91-7)
- 3-(Furan-2-ylmethyl)-4-methyl-2-((1-(thiophen-2-yl)ethylidene)hydrazineylidene)-2,3-dihydrothiazole (CAS 380317-58-8)
- 3-((4-Methylbenzyl)thio)-4H-benzo[b][1,4]thiazine 1,1-dioxide (CAS 477868-94-3)
- 3-(Thiophen-2-yl)-7-thia-1,4,9-triazatetracyclo[9.2.2.0^{2,10}.0^{4,8}]pentadeca-2(10),8-dien-5-one (CAS 860644-71-9)
- 4-(((1H-Benzo[d]imidazol-2-yl)methyl)thio)-2-methylbenzofuro[3,2-d]pyrimidine (CAS 847163-23-9)
- 2-[5-Amino-3-(furan-2-yl)-1H-pyrazol-1-yl]-6-methyl-3,4-dihydropyrimidin-4-one (CAS 1416340-51-6)
- 4-[(2-Benzylphenoxy)methyl]piperidinehydrochloride (CAS 1093653-14-5)
- 3-(Benzyloxy)isothiazole (CAS 60666-83-3)
- 6-Amino-2-(3-methylpiperidin-1-yl)pyrimidin-4-ol (CAS 1020243-95-1)
- 2,3-Diphenylaziridin-1-amine (CAS 78926-46-2)
- n-Octyl nicotinate (CAS 40975-41-5)
- (1R,3r)-1-amino-3-(cyanomethyl)cyclobutane-1-carboxylic acid (CAS 2231665-84-0)
- 2-Amino-5-ethoxybenzonitrile (CAS 549488-78-0)
- Heptapeptide-6 (CAS CATO-CPTD788823)
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