3-(4-Chlorophenyl)-[1,2,4]triazolo[3,4-a]isoquinoline CAS 7626-70-2
| CAS No. | 7626-70-2 |
| Molecular Formula | C20H18N6O4 |
| Molecular Weight | 406.39 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
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.
3-(4-Chlorophenyl)-[1,2,4]triazolo[3,4-a]isoquinoline (CAS 7626-70-2) is a high-purity analytical reference standard with the molecular formula C20H18N6O4 and a molecular weight of 406.39 g/mol.
3-(4-Chlorophenyl)-[1,2,4]triazolo[3,4-a]isoquinoline (C20H18N6O4) contains a flavonoid 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.
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 | C20H18N6O4 |
| Molecular Weight | 406.39 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) | 15.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1959 |
| Nitrogen Atoms | 6 |
Related Chlorophenyl Standards
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- 2-{6-[(4-chlorophenyl)sulfanyl]pyridazin-3-yl}-2-(2,4-dichlorophenyl)acetonitrile (CAS 339026-64-1)
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Recommended Standards
- 2-Amino-5-oxo-4-(3,4,5-trimethoxyphenyl)-4H,5H-pyrano[3,2-c]chromene-3-carbonitrile (CAS 293329-72-3)
- 6-Methyl-3-nitro-2-oxo-1,2-dihydropyridin-4-yl 3,4,5-triethoxybenzoate (CAS 868679-69-0)
- 2-[Methyl-(5-nitro-pyridin-2-yl)-amino]ethanol (CAS 25948-15-6)
- 7-(((9H-Fluoren-9-yl)methoxy)carbonyl)-3-oxo-2,3,5,6,7,8-hexahydro-[1,2,4]triazolo[4,3-a]pyrazine-6-carboxylic acid (CAS 2137493-56-0)
- 2-(2H-Benzotriazol-2-yl)-4-methyl-6-(2-propenyl)phenol (CAS 2170-39-0)
- 4-bromo-2-(propan-2-ylsulfanyl)benzaldehyde (CAS 1340366-62-2)
- Tert-butyl 3,4,5-trimethyl-1H-pyrrole-2-carboxylate (CAS 50634-31-6)
- 1-(4-Aminopiperidin-1-yl)propan-1-one hydrochloride (CAS 1158779-86-2)
- (R)-(1-Methylpyrrolidin-3-yl)methanamine (CAS 1207541-15-8)
- (4-Chloro-2-(furan-2-yl)pyrimidin-5-yl)boronic acid (CAS 2225155-60-0)
- Pramipexole Impurity 41 (CAS 104617-50-7)
- Epothilone D (CAS 189453-10-9)
- 5-(4-Chlorophenyl)-1-phenyl-3-(trifluoromethyl)-1H-pyrazole (CAS 586333-28-0)
- [Nva12]-Tirzepatide (CAS CATO-C4X-324042)
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