| CAS No. | 33586-37-7 |
| Molecular Formula | C22H21B |
| Molecular Weight | 296.21 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
5-Mesityl-5,10-dihydrodibenzo[b,e]borinine (CAS 33586-37-7), molecular formula C22H21B and molecular weight 296.21 g/mol, is a CATO reference standard with documented purity and traceability.
5-Mesityl-5,10-dihydrodibenzo[b,e]borinine (C22H21B) contains a polycyclic aromatic system. Its high carbon-to-hydrogen ratio confers good lipid solubility; 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).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
CATO manufactures 5-Mesityl-5,10-dihydrodibenzo[b,e]borinine 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 | C22H21B |
| Molecular Weight | 296.21 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 |
| Stability | Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 12.5 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1966 |