Ergotamine D-tartrate
| Product reference number | ERG-803-TA |
| Full chemical name | (6aR,9R)-N-((2R,5S,10aS,10bS)- 5-benzyl-10b-hydroxy-2-methyl- 3,6-dioxooctahydro-2H-oxazolo[3,2-a] pyrrolo[2,1-c]pyrazin-2-yl) -7-methyl-4,6,6a,7,8,9-hexahydroindolo[4,3-fg] quinoline-9-carboxamide.tartrate |
| Formula | C33H35N5O5⋅0.5(C4H6O6) |
| Molecular weight | 656.70 |
| CAS Number | 379-79-3 |
| Supplied as | tartrate |
| Appearance | white to off-white crystalline powder |
| IR | IR corresponds |
| MS | MH+ corresponds |
| UV max [nm] (mol, solvent) | 312 ± 1.0 (18500 ± 1500, methanol) |
| Melting point [Celsius] | 195 (dec.) |
| HPLC purity [%] | > 98.5 |
| Optical rotation (conc., solvent) | -156 ± 3 (0.5, chloroform) |
| Free base content [%] | > 82.8 |
| Water content [%] | < 5 |
