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Posovolone (Co 134444), an orally active neuroactive steroid with sedative-hypnotic properties, exhibits anticonvulsant and anxiolytic-like activities, alongside ataxic effects.


| Description | Posovolone (Co 134444), an orally active neuroactive steroid with sedative-hypnotic properties, exhibits anticonvulsant and anxiolytic-like activities, alongside ataxic effects. |
| In vitro | In mice, the administration of Co 134444, ranging from 0.5-10 mg/kg intraperitoneally (IP, 15 min) and 1-60 mg/kg orally (PO; 30 min), is effective against pentylenetetrazol (PTZ)-induced seizures, achieving a median effective dose (ED50) of 3.3 mg/kg for IP and 9.8 mg/kg for oral administration. Similarly, Co 134444 demonstrates efficacy in protecting against maximal electroshock (MES)-induced seizures, with an ED50 of 4.8 mg/kg when administered IP and 20.6 mg/kg PO. In rats, oral administration of Co 134444 (10-40 mg/kg; PO; 30 min) effectively counters both PTZ and MES-induced seizures, with an ED50 of 23.6 mg/kg and 25.3 mg/kg, respectively. |
| Synonyms | Co 134444 |
| Molecular Weight | 428.617 |
| Formula | C26H40N2O3 |
| Cas No. | 256955-84-7 |
| Smiles | [H][C@@]1(CC[C@@]2([H])[C@]3([H])CC[C@@]4([H])C[C@@](O)(COC)CC[C@]4(C)[C@@]3([H])CC[C@]12C)C(=O)Cn1ccnc1 |
| Storage | Powder: -20°C for 3 years | In solvent: -80°C for 1 year | Shipping with blue ice/Shipping at ambient temperature. |
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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