1-[2-(4-Methoxyphenyl)-2-oxoethyl]-4-oxo-7-phenyl-1H,4H-pyrazolo[3,2-c][1,2,4]triazine-3-carbonitrile CAS 1707372-52-8
| CAS No. | 1707372-52-8 |
| Molecular Formula | C21H15N5O3 |
| Molecular Weight | 385.38 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
1-[2-(4-Methoxyphenyl)-2-oxoethyl]-4-oxo-7-phenyl-1H,4H-pyrazolo[3,2-c][1,2,4]triazine-3-carbonitrile (CAS 1707372-52-8) is a high-purity analytical reference standard with the molecular formula C21H15N5O3 and a molecular weight of 385.38 g/mol.
1-[2-(4-Methoxyphenyl)-2-oxoethyl]-4-oxo-7-phenyl-1H,4H-pyrazolo[3,2-c][1,2,4]triazine-3-carbonitrile (C21H15N5O3) 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.
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 | C21H15N5O3 |
| Molecular Weight | 385.38 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°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) | 17.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1994 |
| Nitrogen Atoms | 5 |
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Recommended Standards
- 1-[(2,4-Dimethylphenyl)methyl]-1,2-dihydro-6-(1-methyl-1H-pyrrol-2-yl)-2-oxo-4-(trifluoromethyl)-3-pyridinecarbonitrile (CAS 1263283-54-0)
- 4-Hydroxy-3-[(E)-3-phenyl-2-propenyl]-1-[3-(trifluoromethyl)benzyl]-2(1H)-pyridinone (CAS 477888-21-4)
- 7-Benzyl-2-(4-(trifluoromethyl)phenyl)-5,6,7,8-tetrahydropyrido[3,4-d]pyrimidin-4(1h)-one (CAS 1030123-18-2)
- 4-Phenethyl-2-((4-(trifluoromethyl)phenyl)amino)benzoic acid (CAS 910243-05-9)
- 2-Chloro-N-propyl-N-(tetrahydro-1,1-dioxido-3-thienyl)acetamide (CAS 727694-68-0)
- (S)-2-Amino-3-methyl-N-((S)-1-methylpyrrolidin-3-yl)butanamide (CAS 1401664-78-5)
- 6-Methyl-2-phenoxy-4-(trifluoromethyl)pyridine-3-carbonitrile (CAS 478049-74-0)
- 1-Ethyl-4-hydroxyquinolin-2(1H)-one (CAS 54675-30-8)
- 1-[(4-Bromophenyl)methoxy]-2-(2,4-dichlorophenyl)-1H-imidazo[4,5-b]pyridine (CAS 338978-58-8)
- 5-Bromo-6-ethoxy-2-fluorophenylboronic acid (CAS 1315340-54-5)
- 951886-04-7 Ethyl 4-[4-(N,N-Diethylamino)phenyl]-4-oxobutanoate MFCD09801909 (CAS 951886-04-7)
- Dibromoethane-d4 (CAS 22581-63-1)
- 1,5-Dichloro-2-methoxy-4-(4-nitrophenoxy)benzene (CAS 125138-49-0)
- Eledoisin Related Peptide (CAS 2990-43-4)
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