3-(5,5-Dimethyl-5,6-dihydro-[1,2,4]triazolo[3,4-a]isoquinolin-3-yl)phenol CAS 330998-71-5
| CAS No. | 330998-71-5 |
| Molecular Formula | C18H17N3O |
| Molecular Weight | 291.35 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 291.35 g/mol gives 3-(5,5-Dimethyl-5,6-dihydro-[1,2,4]triazolo[3,4-a]isoquinolin-3-yl)phenol distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
3-(5,5-Dimethyl-5,6-dihydro-[1,2,4]triazolo[3,4-a]isoquinolin-3-yl)phenol (CAS 330998-71-5), molecular formula C18H17N3O and molecular weight 291.35 g/mol, is a CATO reference standard with documented purity and traceability.
3-(5,5-Dimethyl-5,6-dihydro-[1,2,4]triazolo[3,4-a]isoquinolin-3-yl)phenol (C18H17N3O) contains a steroid core, an amide group, a hydroxyl group, an ether linkage. Its high carbon-to-hydrogen ratio confers good lipid solubility; 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.
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 | C18H17N3O |
| Molecular Weight | 291.35 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.) | 2025 |
| Nitrogen Atoms | 3 |
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Recommended Standards
- 2'-Isopropyl-1H,1'H-[2,5'-bibenzo[d]imidazol]-6-amine (CAS 519017-25-5)
- 3-Nitro-N-octylimidazo[1,2-b]pyridazin-6-amine (CAS 37990-80-0)
- 2-Anilino-5-benzyl-6-methylpyrimidin-4(3H)-one (CAS 897305-46-3)
- 4-((4-(4-Methylpiperazin-1-yl)phenyl)amino)-4-oxobutanoic acid (CAS 724455-62-3)
- 2-[(4-(2,4-Dichlorophenyl)-5-{[(2-methoxyphenyl)amino)-methyl}-4H-1,2,4-triazol-3-yl)thio]acetohydrazide (CAS 1306738-57-7)
- N-isopropylazepan-4-amine (CAS 1341086-27-8)
- Sofosbuvir Impurity 89 (CAS 1394157-34-6)
- 4-(3-Methyl-3-(4-nitrobenzyl)ureido)benzene-1-sulfonyl fluoride (CAS 21322-88-3)
- 5-Bromo-3-(2-chlorophenyl)-1-methyl-1H-1,2,4-triazole (CAS 1781592-70-8)
- Fenbufen Impurity 9 (CAS 644-90-6)
- 6-(4-Aminophenyl)pyrazolo[1,5-a]pyrimidin-7-amine (CAS 1039364-91-4)
- Agomelatine Impurity 24 (CAS 1623104-92-6)
- 3-Benzyl-4-ethylpyridine (CAS 919508-19-3)
- Semaglutide impurity 204 (CAS CATO-C4X-2226204)
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