| CAS No. | 2939-66-4 |
| Molecular Formula | C19H23NO |
| Molecular Weight | 281.39 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including 5-(3-(Methylamino)propyl)-10,11-dihydro-5H-dibenzo[a,d][7]annulen-5-ol.
5-(3-(Methylamino)propyl)-10,11-dihydro-5H-dibenzo[a,d][7]annulen-5-ol (CAS 2939-66-4), molecular formula C19H23NO and molecular weight 281.39 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C19H23NO, 5-(3-(Methylamino)propyl)-10,11-dihydro-5H-dibenzo[a,d][7]annulen-5-ol contains a steroid core, an amide group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 281.39 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. 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.
CATO manufactures 5-(3-(Methylamino)propyl)-10,11-dihydro-5H-dibenzo[a,d][7]annulen-5-ol 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.
| Molecular Formula | C19H23NO |
| Molecular Weight | 281.39 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 | Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1957 |
| Nitrogen Atoms | 1 |