ML277 (CID-53347902) is a potent activator of KCNQ1 channels with an EC50 of 260 nM and shows >100-fold selectivity over KCNQ2 and KCNQ4.
| Molecular Weight | 471.59 |
| Formula | C23H25N3O4S2 |
| CAS Number | 1401242-74-7 |
| Solubility (25°C) | DMSO 94 mg/mL |
| 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.
| Related Potassium Channel Products |
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| Icariside E4
Icariside E4 is an antinociceptive agent, and can be isolated from Tabebuia roseo-alba. Icariside E4 has peripheral analgesic activity by ATP-sensitive K+ channel-dependent mechanisms. Icariside E4 also has anti-oxidant, anti-Alzheimer and anti-inflammatory effects. |
| Isopimaric acid
Isopimaric acid is a potent opener of large conductance calcium activated K+ (BK) channels. |
| Dimethyl L-glutamate
Dimethyl L-glutamate (Dimethyl glutamate) can stimulate insulin release induced by Glucose. Dimethyl L-glutamate suppresses the KATP channel activities. Dimethyl L-glutamate inhibits E. gracilis growth and causes abnormal cell division. |
| Iberiotoxin TFA
Iberiotoxin TFA is a toxin isolated from Buthus tamulus venom and is also a selective, high-affinity blocker of the large conductance calcium-activated potassium channel (BKCa) with a Kd of approximately 1 nM. |
| Scyllatoxin
Scyllatoxin (Leiurotoxin I) is a peptide toxin, it can be isolated from the venom of the scorpion (Leiurus quinquestriatus hebraeus). Scyllatoxin is a blocker of small-conductance KCa (SK) channel. Scyllatoxin enhances both norepinephrine (NE) and epinephrine (Epi) release in vivo. |
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