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ML381 (VU0488130) is a highly selective, central nervous system-penetrant mAChR M5 orthogonal antagonist with nanomolar potency that exhibits instability in rat plasma, limiting its in vivo utility while establishing its primary value as a molecular probe for in vitro pharmacological characterization and electrophysiological studies of M5 receptor function.

| Pack Size | Price | USA Warehouse | Global Warehouse | Quantity |
|---|---|---|---|---|
| 1 mg | $93 | - | In Stock | |
| 5 mg | $228 | - | In Stock | |
| 10 mg | $396 | - | In Stock | |
| 25 mg | $787 | - | In Stock | |
| 50 mg | $1,230 | - | In Stock | |
| 100 mg | $1,670 | - | In Stock |
| Description | ML381 (VU0488130) is a highly selective, central nervous system-penetrant mAChR M5 orthogonal antagonist with nanomolar potency that exhibits instability in rat plasma, limiting its in vivo utility while establishing its primary value as a molecular probe for in vitro pharmacological characterization and electrophysiological studies of M5 receptor function. |
| In vitro | In functional calcium mobilization assays utilizing CHO cells stably expressing human mAChR subtypes, ML381 was evaluated for its inhibitory profile. The compound demonstrated robust antagonism against the M5 receptor with an IC50 of 190 nM[2]. |
| Synonyms | VU-0488130, VU0488130, VU 0488130, ML-381, ML 381 |
| Molecular Weight | 379.41 |
| Formula | C21H21N3O4 |
| Cas No. | 1623481-80-0 |
| Smiles | C(N([C@@H](C)C1=CC=CC=N1)C)(=O)C=2C=C(COC3=CC(C(C)=O)=CC=C3)ON2 |
| Relative Density. | 1.231 g/cm3 (Predicted) |
| Storage | In solvent: -80°C for 1 year | Shipping with blue ice/Shipping at ambient temperature. | |||||||||||||||||||||||||||||||||||
| Solubility Information | DMSO: 80 mg/mL (210.85 mM), Sonication is recommended. | |||||||||||||||||||||||||||||||||||
Solution Preparation Table | ||||||||||||||||||||||||||||||||||||
DMSO
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Dissolve 2 mg of the compound in 100 μL DMSO
to obtain a stock solution at a concentration of 20 mg/mL . If the required concentration exceeds the compound's known solubility, please contact us for technical support before proceeding.
1) Add 100 μL of the DMSO
stock solution to 400 μL PEG300
and mix thoroughly until the solution becomes clear.
2) Add 50 μL Tween 80 and mix well until fully clarified.
3) Add 450 μL Saline,PBS or ddH2O
and mix thoroughly until a homogeneous solution is obtained.
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