(2E)-2-(Cyclohexylmethylidene)-2,3,4,9-tetrahydro-1H-carbazol-1-one CAS 866138-44-5
| CAS No. | 866138-44-5 |
| Molecular Formula | C19H21NO |
| Molecular Weight | 279.38 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.
(2E)-2-(Cyclohexylmethylidene)-2,3,4,9-tetrahydro-1H-carbazol-1-one (CAS 866138-44-5) is a high-purity analytical reference standard with the molecular formula C19H21NO and a molecular weight of 279.38 g/mol.
Structurally, (2E)-2-(Cyclohexylmethylidene)-2,3,4,9-tetrahydro-1H-carbazol-1-one (C19H21NO) contains a steroid core, an amide group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 10.0, corresponding to approximately 10 ring(s) or double-bond equivalent(s). With a molecular weight of 279.38 g/mol, it falls into the medium-molecular-weight range. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
CATO manufactures (2E)-2-(Cyclohexylmethylidene)-2,3,4,9-tetrahydro-1H-carbazol-1-one 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 | C19H21NO |
| Molecular Weight | 279.38 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 10.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Nitrogen Atoms | 1 |
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