| CAS No. | 57721-71-8 |
| Molecular Formula | C20H18NO4 |
| Molecular Weight | N/A |
| 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 57721-71-8 9-Hydroxy-2,3,10-trimethoxydibenzo[a,g]quinolizinium Bromide Dehydro Palmatrubine Bromide.
CATO supplies 57721-71-8 9-Hydroxy-2,3,10-trimethoxydibenzo[a,g]quinolizinium Bromide Dehydro Palmatrubine Bromide (CAS 57721-71-8), a certified reference material (molecular formula C20H18NO4Br, MW 416.27 g/mol) for analytical method development and quality control.
Owing to a flavonoid core, an amide group, a hydroxyl group, an ether linkage, bromine substitution, 57721-71-8 9-Hydroxy-2,3,10-trimethoxydibenzo[a,g]quinolizinium Bromide Dehydro Palmatrubine Bromide is typically pale yellow to yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 416.27 g/mol — guide the selection of appropriate sample preparation and analytical techniques. 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 57721-71-8 9-Hydroxy-2,3,10-trimethoxydibenzo[a,g]quinolizinium Bromide Dehydro Palmatrubine Bromide 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 | C20H18NO4 Br |
| Molecular Weight | 416.27 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor) |
| Purity | 97%+ |
| Storage | Store at room temperature, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 12.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1973 |
| Halogen Content | Br-containing |
| Nitrogen Atoms | 1 |