| CAS No. | 58337-35-2 |
| Molecular Formula | C18H17N2O |
| Molecular Weight | N/A |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
CATO supplies 9-Hydroxy-2,5,11-trimethyl-6H-pyrido[4,3-b]carbazol-2-ium acetate (CAS 58337-35-2), a certified reference material (molecular formula C18H17N2OC2H3O2, MW 336.39 g/mol) for analytical method development and quality control.
Based on its molecular formula C18H17N2OC2H3O2, 9-Hydroxy-2,5,11-trimethyl-6H-pyrido[4,3-b]carbazol-2-ium acetate 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 336.39 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. 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).
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 9-Hydroxy-2,5,11-trimethyl-6H-pyrido[4,3-b]carbazol-2-ium acetate 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 | C18H17N2O C2H3O2 |
| Molecular Weight | 336.39 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°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) | 12.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1973 |
| Nitrogen Atoms | 2 |