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Y-39983 HCl (Y-33075)

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Y-39983 HCl (Y-33075)
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Cat #: V2559 CAS #: 173897-44-4 Purity ≥ 98%

Description: Y-39983 HCl (also called Y-33075) is a novel, potent and selective inhibitor of Rho-associated coiled coil-forming protein kinase( ROCK ) with IC50 values of 3.6 nM, 0.42 μM and 0.81 μM for ROCK, PKC and CaMKII, respectively.

References: Hideki Tokushige, et al. Effects of Topical Administration of Y-39983, a Selective Rho-Associated Protein Kinase Inhibitor, on Ocular Tissues in Rabbits and Monkeys Invest. Ophthalmol. Vis. Sci. July 2007 vol. 48no. 7 3216-3222

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Molecular Weight (MW)353.25
Molecular FormulaC16H18Cl2N4O
CAS No.173897-44-4
Storage-20℃ for 3 years in powder formr
-80℃ for 2 years in solvent
Solubility In VitroDMSO: 64 mg/mL (199.8 mM)r
Water: 14 mg/mL (43.71 mM)r
Ethanol: <1 mg/mL
Solubility In VivoSaline: 30 mg/mL
SynonymsY-39983 2HCl; Y 39983 2HCl; Y39983 2HCl; Y-39983 diHCl; Y39983 diHCl; Y 39983 diHCl; Y-33075 2HCl; Y 33075 2HCl; Y33075 2HCl.
ProtocolIn VitroY-33075 (Y-39983) is a potent ROCK inhibitor, with an IC50 of 3.6 nM. Y-33075 also inhibits PKC and CaMKII more potently than Y-27632, and the IC50s of Y-27632 and Y-33075 for PKC are 9.0 μM and 0.42 μM, respectively, whereas the IC50s of Y-27632 and Y-33075 for CaMKII are 26 μM and 0.81 μM, respectively. The IC50s of Y-27632 and Y-33075 for PKC is 82 and 117 times those for ROCK, respectively, whereas the IC50s of Y-27632 and Y-33075 for CaMKII is 236 and 225 times those for ROCK, respectively
In VivoIn rabbits, Y-39983 (≥0.01%) significantly lowers intraocular pressure (IOP) at 2 hours after topical administration. In monkeys, Y-39983 (0.05%)-treated eyes show significant reduction of IOP between 2 and 7 hours after topical administration
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
1mM2.8309 mL14.1543 mL28.3086 mL56.6171 mL
5mM0.5662 mL2.8309 mL5.6617 mL11.3234 mL
10mM0.2831 mL1.4154 mL2.8309 mL5.6617 mL
20mM0.1415 mL0.7077 mL1.4154 mL2.8309 mL
Quality Control Documentation
The molarity calculator equation
Mass(g) = Concentration(mol/L) × Volume(L) × Molecular Weight(g/mol)
Mass
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Concentration
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Volume
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Molecular Weight*
The dilution calculator equation
Concentration(start) × Volume(start) = Concentration(final) × Volume(final)

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

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Volume(final)
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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.