2-Cyclohexyl-1H-benzo[de]isoquinoline-1,3(2H)-dione CAS 39061-31-9
| CAS No. | 39061-31-9 |
| Molecular Formula | C18H17NO2 |
| Molecular Weight | 279.33 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
2-Cyclohexyl-1H-benzo[de]isoquinoline-1,3(2H)-dione (CAS 39061-31-9), molecular formula C18H17NO2 and molecular weight 279.33 g/mol, is a CATO reference standard with documented purity and traceability.
2-Cyclohexyl-1H-benzo[de]isoquinoline-1,3(2H)-dione (C18H17NO2) contains a steroid core, an amide group, a hydroxyl group, an ether linkage. Its high carbon-to-hydrogen ratio confers good lipid solubility, the carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
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 manufactures 2-Cyclohexyl-1H-benzo[de]isoquinoline-1,3(2H)-dione under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C18H17NO2 |
| Molecular Weight | 279.33 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 11.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1968 |
| Nitrogen Atoms | 1 |
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Recommended Standards
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- 3,3',5,5'-Tetramethylbenzidine (CAS 54827-17-7)
- 4-Isobutyl-5-morpholino-4H-1,2,4-triazole-3-thiol (CAS 847783-73-7)
- 9-Ethyl-9H-purin-6-ol (CAS 31010-51-2)
- 4-Bromo-1-(2-methoxyethoxy)-2-nitrobenzene (CAS 1248106-15-1)
- 4-(2,3-Dihydrobenzofuran-5-yl)but-3-en-2-one (CAS 465529-65-1)
- Cefminox Impurity 9 (CAS CATO-C4X-19269)
- 1-(Tert-butoxycarbonyl)-2,3-dihydro-1H-pyrrolo[3,2-c]pyridine-2-carboxylic acid (CAS 2306260-70-6)
- Insulin Degludec Impurity 11 (CAS CATO-C4X-215711)
Why CATO?
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