SL-327

This product is for research use only, not for human use. We do not sell to patients.

SL-327
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Cat #: V0456 CAS #: 305350-87-2 Purity ≥ 98%

Description: SL327 (SL-327) is a novel, potent and selective inhibitor for MEK1/2 with the ability to cross blood brain barrier and block fear conditioning.

References: Cheng Y, et al. Current Development Status of MEK Inhibitors. Molecules. 2017 Sep 26;22(10). pii: E1551.

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Molecular Weight (MW)335.35
Molecular FormulaC16H12F3N3S
CAS No.305350-87-2
Storage-20℃ for 3 years in powder formr
-80℃ for 2 years in solvent
Solubility In VitroDMSO: 67 mg/mL (199.8 mM)r
Water: <1 mg/mLr
Ethanol: 7 mg/mL (20.9 mM)
Solubility In Vivo2% DMSO+30% PEG 300+5% Tween 80+ddH2O: 5 mg/mL
SMILES CodeN#C/C(C1=CC=CC=C1C(F)(F)F)=C(N)/SC2=CC=C(N)C=C2
SynonymsSL 327; SL-327; SL327
ProtocolIn VitroThe specificity of SL327 for MEK is investigated. Kinase activity is assessed by measuring the incorporation of [32P]phosphate during phosphorylation of substrate peptides specific for each kinase. Although SL327 inhibits MEK with an IC50 of 0.27 μM, 10 μM SL327 has no significant effect on PKA, CaMKII, or PKC.
In VivoSL327, which crosses the blood-brain barrier, is administered intraperitoneally at several concentrations to animals prior to cue and contextual fear conditioning. Administration of SL327 completely blocks contextual fear conditioning and significantly attenuates cue learning when measure 24 hr after training. Animals treated with SL327 exhibit significant attenuation of water maze learning; they take significantly longer to find a hidden platform compared with vehicle-treated controls and also fail to use a selective search strategy during subsequent probe trials in which the platform is removed. Mice are injected with various concentrations of SL327 (10, 30, 50 mg/kg i.p.), and 1 hr later their hippocampi are removed and assayed for activated MAPK. SL327 attenuates phosphorylated MAPK levels in a dose-dependent manner. Administration of 10, 30, or 50 mg/kg SL327 significantly attenuates p42 phospho-MAPK levels (F=20.90, P<0.0001;10 mg/kg SL327 vs. vehicle, P<0.05, and 30 and 50 mg/kg SL327 vs. vehicle, P<0.001). Injection with 30 or 50 mg/kg SL327 also significantly reduces p44 phospho-MAPK levels (F=5.627, P<0.005;30 mg/kg vs. vehicle, P<0.05, and 50 mg/kg SL327 vs. vehicle, P<0.01).
These protocols are for reference only. InvivoChem does not independently validate these methods.
Preparing Stock Solutions
Solvent volume to be added Mass (the weight of a compound)
Mother liquor concentration 1mg5mg10mg20mg
1mM2.9820 mL14.9098 mL29.8196 mL59.6392 mL
5mM0.5964 mL2.9820 mL5.9639 mL11.9278 mL
10mM0.2982 mL1.4910 mL2.9820 mL5.9639 mL
20mM0.1491 mL0.7455 mL1.4910 mL2.9820 mL
Quality Control Documentation
The molarity calculator equation
Mass(g) = Concentration(mol/L) × Volume(L) × Molecular Weight(g/mol)
Mass
=
Concentration
×
Volume
×
Molecular Weight*
The dilution calculator equation
Concentration(start) × Volume(start) = Concentration(final) × Volume(final)

This equation is commonly abbreviated as: C1 V1 = C2 V2

Concentration(start)
C1
×
Volume(start)
V1
=
Concentration(final)
C2
×
Volume(final)
V2
Step One: Enter information below
Dosage mg/kg Average weight of animals g Dosing volume per animal µL Number of animals
Step Two: Enter the in vivo formulation
%DMSO + % + %Tween 80 + %ddH2O

Calculation Results:
Working concentration: mg/ml;
Method for preparing DMSO master liquid: mg drug pre-dissolved in µL DMSO(Master liquid concentration mg/mL) ,Please contact us first if the concentration exceeds the DMSO solubility of the batch of drug.
Method for preparing in vivo formulation: Take µL DMSO master liquid, next add µL PEG300, mix and clarify, next add µL Tween 80,mix and clarify, next add µL ddH2O,mix and clarify.
Note:
  • (1) Please be sure that the solution is clear before the addition of next solvent. Dissolution methods like vortex, ultrasound or warming and heat may be used to aid dissolving.
  • (2) Be sure to add the solvent(s) in order.