MLS1547 is a highly efficacious D2 dopamine receptor (D2R) G protein-biased agonist that does not recruit β-arrestin, and is an antagonist of dopamine-stimulated β-arrestin recruitment to the D2 receptor. MLS-1547 is the first D2 receptor agonist with close to full efficacy for G protein signaling (EC50 = 370 nM), but no ability to recruit β-arrestin.
Molecular Weight | 354.83 |
Formula | C19H19ClN4O |
CAS Number | 315698-36-3 |
Form | Solid |
Solubility (25°C) | DMSO: 5 mg/mL (warmed) |
Storage |
Powder -20°C 3 years ; 4°C 2 years In solvent -80°C 6 months ; -20°C 1 month |
Species | Mouse | Rat | Rabbit | Guinea pig | Hamster | Dog |
Weight (kg) | 0.02 | 0.15 | 1.8 | 0.4 | 0.08 | 10 |
Body Surface Area (m2) | 0.007 | 0.025 | 0.15 | 0.05 | 0.02 | 0.5 |
Km factor | 3 | 6 | 12 | 8 | 5 | 20 |
Animal A (mg/kg) = Animal B (mg/kg) multiplied by | Animal B Km |
Animal A Km |
For example, to modify the dose of Compound A used for a mouse (20 mg/kg) to a dose based on the BSA for a rat, multiply 20 mg/kg by the Km factor for a mouse and then divide by the Km factor for a rat. This calculation results in a rat equivalent dose for Compound A of 10 mg/kg.
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