SL-327

Alias: SL 327; SL-327; SL327
Cat No.:V0456 Purity: ≥98%
SL327 (SL-327) is a novel, potent and selective inhibitor for MEK1/2 with the ability to cross blood brain barrier andblock fear conditioning.
SL-327 Chemical Structure CAS No.: 305350-87-2
Product category: MEK
This product is for research use only, not for human use. We do not sell to patients.
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10mg
25mg
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Purity & Quality Control Documentation

Purity: ≥98%

Product Description
SL327 (SL-327) is a novel, potent and selective MEK1/2 inhibitor that can pass the blood-brain barrier and stop the conditioning of fear. It exhibits little to no activity toward Erk1, MKK3, MKK4, c-JUN, PKC, PKA, or CamKII and inhibits MEK1/2 with IC50 values of 0.18 μM/ 0.22μM. According to a behavioral and immunohistochemical study, SL327 only inhibits acquisition, not expression, of lithium-induced conditioned place aversion. Despite causing a significant reduction in pERK levels across a number of brain regions, SL327 had no effect on the acquisition, expression, or extinction of EtOH-induced CPP in mice.
Biological Activity I Assay Protocols (From Reference)
Targets
MEK1 (IC50 = 0.18 μM); MEK2 (IC50 = 0.22 μM); AP-1 (IC50 = 2.03 μM)
ln Vitro
SL327 is a structural homologue of the specific MKK1/2 inhibitor U0126 with IC50 of 0.18 μM and 0.22 μM for MEK1 and MEK2 respectively. Other kinases such as PKA, PKC, or CamKII are unaffected by SL327. [1]
ln Vivo
SL327 (50 mg/kg) crosses the blood-brain barrierand and blocks fear conditioning by inhibiting MAPK/ERK phosphorylation. [2] SL327 (30 mg/kg) significantly reduces spatial learning in mice. [3] SL327 (50 mg/kg) inhibits the effects of cocaine. [4]
Enzyme Assay
Assays for protein kinases are carried out. In the beginning of each kinase assay, enzyme is added to a mixture of substrate and [γ-32P]ATP. Then, this mixture is incubated for 10 minutes at 30 or 37 degrees Celsius. By aliquoting the reaction mixture and sprinkling it on Whatman P-81 phosphocellulose filter paper, the reaction can be stopped. The papers are then dried, scintillation counted, and washed in 150 mM H3PO4. By monitoring [32P]phosphate incorporation into the substrate Kemptide (100 μM), the catalytic subunit of PKA is evaluated. The phosphorylation of the synthetic peptide Autocamtide (100 M) in the presence of 100 M Calcium and 10 μg/mL Calmodulin is used to measure the activity of CaMKII. The catalytic subunit of PKC has a preferred substrate in the form of NG(28-43) (10 μM), a synthetic peptide analog of a neurogranin fragment. Substrate phosphorylation was always a linear function of both time and enzyme concentration.
Animal Protocol
Fear conditioning experiments in male Spague-Dawley rats.
10-100 mg/Kg
i.p.
References

[1]. J Biol Chem . 2000 Nov 24;275(47):37086-92.

[2]. Nat Neurosci . 1998 Nov;1(7):602-9.

[3]. Learn Mem . 1999 Sep-Oct;6(5):478-90.

[4]. J Neurosci . 2000 Dec 1;20(23):8701-9.

These protocols are for reference only. InvivoChem does not independently validate these methods.
Physicochemical Properties
Molecular Formula
C16H12F3N3S
Molecular Weight
335.35
Exact Mass
335.07
Elemental Analysis
C, 57.31; H, 3.61; F, 17.00; N, 12.53; S, 9.56
CAS #
305350-87-2
Related CAS #
305350-87-2
Appearance
white solid powder
SMILES
C1=CC=C(C(=C1)/C(=C(\N)/SC2=CC=C(C=C2)N)/C#N)C(F)(F)F
InChi Key
JLOXTZFYJNCPIS-FYWRMAATSA-N
InChi Code
InChI=1S/C16H12F3N3S/c17-16(18,19)14-4-2-1-3-12(14)13(9-20)15(22)23-11-7-5-10(21)6-8-11/h1-8H,21-22H2/b15-13+
Chemical Name
(Z)-3-amino-3-(4-aminophenyl)sulfanyl-2-[2-(trifluoromethyl)phenyl]prop-2-enenitrile
Synonyms
SL 327; SL-327; SL327
HS Tariff Code
2934.99.9001
Storage

Powder      -20°C    3 years

                     4°C     2 years

In solvent   -80°C    6 months

                  -20°C    1 month

Shipping Condition
Room temperature (This product is stable at ambient temperature for a few days during ordinary shipping and time spent in Customs)
Solubility Data
Solubility (In Vitro)
DMSO: ~67 mg/mL (~199.8 mM)
Water: <1 mg/mL
Ethanol: ~7 mg/mL (~20.9 mM)
Solubility (In Vivo)
2% DMSO+30% PEG 300+5% Tween 80+ddH2O: 5mg/mL
 (Please use freshly prepared in vivo formulations for optimal results.)
Preparing Stock Solutions 1 mg 5 mg 10 mg
1 mM 2.9820 mL 14.9098 mL 29.8196 mL
5 mM 0.5964 mL 2.9820 mL 5.9639 mL
10 mM 0.2982 mL 1.4910 mL 2.9820 mL

*Note: Please select an appropriate solvent for the preparation of stock solution based on your experiment needs. For most products, DMSO can be used for preparing stock solutions (e.g. 5 mM, 10 mM, or 20 mM concentration); some products with high aqueous solubility may be dissolved in water directly. Solubility information is available at the above Solubility Data section. Once the stock solution is prepared, aliquot it to routine usage volumes and store at -20°C or -80°C. Avoid repeated freeze and thaw cycles.

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Note: Chemical formula is case sensitive: C12H18N3O4  c12h18n3o4
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Working concentration mg/mL;

Method for preparing DMSO stock solution mg drug pre-dissolved in μL DMSO (stock solution 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 stock solution, next add μL PEG300, mix and clarify, next addμL Tween 80, mix and clarify, next add μL ddH2O,mix and clarify.

(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.
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Biological Data
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