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Rho-Kinase-IN-2

Cat No.:V44425 Purity: ≥98%
Rho-Kinase-IN-2 (Compound 23) is an orally bioactive, selective, and central nervous system (CNS)-permeable/penetrable Rho kinase (ROCK) inhibitor (ROCK2 IC50=3 nM).
Rho-Kinase-IN-2
Rho-Kinase-IN-2 Chemical Structure CAS No.: 2573071-18-6
Product category: New3
This product is for research use only, not for human use. We do not sell to patients.
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Product Description
Rho-Kinase-IN-2 (Compound 23) is an orally bioactive, selective, and central nervous system (CNS)-permeable/penetrable Rho kinase (ROCK) inhibitor (ROCK2 IC50=3 nM). Rho-Kinase-IN-2 may be utilized in Huntington's disease study.
Biological Activity I Assay Protocols (From Reference)
ln Vitro
Rho-Kinase-IN-2 (0–10 mM, 1 hour) therapy resulted in decreased MYPT1 phosphorylation and enhanced AKT phosphorylation [1].
ln Vivo
Rho-Kinase-IN-2 (orally given; 10 mg/kg; 6 times; 0.5, 1, 2, 4, 8, and 12 hours) therapy exhibited dose- and time-dependent ROCK1 and ROCK2 target engagement [1]. Rho-Kinase-IN-2 (oral; 10 or 20 mg/kg; QD or BID; 2 weeks) treatment revealed excellent tolerance assessment [1]. Treatment with Rho-Kinase-IN-2 (oral; 1-20 mg/kg; once) indicates a direct dose- and time-dependent link between brain exposure and MYPT1 phosphorylation status [1]. Treatment with Rho-Kinase-IN-2 (oral; 10 or 20 mg/kg; once) decreases mean arterial pressure, systolic blood pressure, diastolic blood pressure, and heart rate [1]. Treatment with Rho-Kinase-IN-2 (orally; 10 mg/kg; twice daily; 90 days) resulted in lower than predicted brain concentrations [1].
Cell Assay
Western Blot Analysis[1]
Cell Types: A7r5 and PANC1 Cell
Tested Concentrations: 0-10 mM
Incubation Duration: 1 hour
Experimental Results: demonstrated concentration-dependent effects resulting in increased phosphorylation of AKT (EC50=28 nM) and diminished phosphorylation of MYPT1 (IC50 =14 nM).
Animal Protocol
Animal/Disease Models: 3 to 4 months old heterozygous Q175DN KI and wild-type littermate mice [1]
Doses: 10 or 20 mg/kg
Route of Administration: po (po (oral gavage)) 10 or 20 mg/kg; one time/day or twice a day; 2-week
Experimental Results: Neurologic indices were normal at all doses, although body weight diminished slightly (∼2%) in the 20 mg/kg treatment group.

Animal/Disease Models: Heterozygous HTT zQ175DN knock-in mice [1]
Doses: 1-20 mg/kg
Route of Administration: Oral; 1-20 mg/kg;
Experimental Results: Maintained over MYPT1 in free brain at 10 mg/kg dose IC50 exceeded 2 hrs (hrs (hours)), and dose- and time-dependent inhibition of MYPT1 phosphorylation in the striatum was observed after acute in vivo administration.

Animal/Disease Models: CD1 mice [1]
Doses: 10 and 20 mg/kg
Route of Administration: Oral; 10 or 20 mg/kg;
Experimental Results: Mean arterial pressure (maximum change from baseline 61.0 ± 8.5 mmHg), Systolic blood pressure (maximum change from baseline was 59.5 ± 8.4 mmHg), diastolic blood pressure (maximum change from baseline was 56.4 ± 9.0 mmHg), heart rate wi
References

[1]. Identification of a Potent, Selective, and Brain-Penetrant Rho Kinase Inhibitor and its Activity in a Mouse Model of Huntington's Disease. J Med Chem. 2022 Jul 11.

These protocols are for reference only. InvivoChem does not independently validate these methods.
Physicochemical Properties
Molecular Formula
C20H25FN4O2
Molecular Weight
372.436507940292
Exact Mass
372.196
CAS #
2573071-18-6
PubChem CID
155749520
Appearance
Light yellow to yellow solid powder
LogP
2.5
Hydrogen Bond Donor Count
1
Hydrogen Bond Acceptor Count
5
Rotatable Bond Count
4
Heavy Atom Count
27
Complexity
495
Defined Atom Stereocenter Count
2
SMILES
N1(C(N[C@@H](C2=CC=CC(OC)=C2)C)=O)CCN(C2C=CN=CC=2F)C[C@H]1C
InChi Key
CIPXFTLGPVQJKN-HUUCEWRRSA-N
InChi Code
InChI=1S/C20H25FN4O2/c1-14-13-24(19-7-8-22-12-18(19)21)9-10-25(14)20(26)23-15(2)16-5-4-6-17(11-16)27-3/h4-8,11-12,14-15H,9-10,13H2,1-3H3,(H,23,26)/t14-,15-/m1/s1
Chemical Name
(2R)-4-(3-fluoropyridin-4-yl)-N-[(1R)-1-(3-methoxyphenyl)ethyl]-2-methylpiperazine-1-carboxamide
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 : ~50 mg/mL (~134.25 mM)
Solubility (In Vivo)
Solubility in Formulation 1: ≥ 2 mg/mL (5.37 mM) (saturation unknown) in 10% DMSO + 40% PEG300 + 5% Tween80 + 45% Saline (add these co-solvents sequentially from left to right, and one by one), clear solution.
For example, if 1 mL of working solution is to be prepared, you can add 100 μL of 20.0 mg/mL clear DMSO stock solution to 400 μL PEG300 and mix evenly; then add 50 μL Tween-80 to the above solution and mix evenly; then add 450 μL normal saline to adjust the volume to 1 mL.
Preparation of saline: Dissolve 0.9 g of sodium chloride in 100 mL ddH₂ O to obtain a clear solution.

Solubility in Formulation 2: ≥ 2 mg/mL (5.37 mM) (saturation unknown) in 10% DMSO + 90% (20% SBE-β-CD in Saline) (add these co-solvents sequentially from left to right, and one by one), clear solution.
For example, if 1 mL of working solution is to be prepared, you can add 100 μL of 20.0 mg/mL clear DMSO stock solution to 900 μL of 20% SBE-β-CD physiological saline solution and mix evenly.
Preparation of 20% SBE-β-CD in Saline (4°C,1 week): Dissolve 2 g SBE-β-CD in 10 mL saline to obtain a clear solution.

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Solubility in Formulation 3: ≥ 2 mg/mL (5.37 mM) (saturation unknown) in 10% DMSO + 90% Corn Oil (add these co-solvents sequentially from left to right, and one by one), clear solution.
For example, if 1 mL of working solution is to be prepared, you can add 100 μL of 20.0 mg/mL clear DMSO stock solution to 900 μL of corn oil and mix evenly.


 (Please use freshly prepared in vivo formulations for optimal results.)
Preparing Stock Solutions 1 mg 5 mg 10 mg
1 mM 2.6850 mL 13.4250 mL 26.8500 mL
5 mM 0.5370 mL 2.6850 mL 5.3700 mL
10 mM 0.2685 mL 1.3425 mL 2.6850 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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In vivo Formulation Calculator (Clear solution)
Step 1: Enter information below (Recommended: An additional animal to make allowance for loss during the experiment)
Step 2: Enter in vivo formulation (This is only a calculator, not the exact formulation for a specific product. Please contact us first if there is no in vivo formulation in the solubility section.)
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Calculation results

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.
             (2) Be sure to add the solvent(s) in order.

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