Name: Odanacatib
Brand: Selleck Chemicals
SKU: S1115
Rating: 5 (25 reviews)

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Quality Control

Batch: Purity: 99.89%

99.89

Related Targets	HDAC Caspase Proteasome Secretase MMP HCV Protease DPP Tyrosinase HIV Protease Serine Protease
Other Cysteine Protease Inhibitors	N-Ethylmaleimide (NEM) MG132 SSS Calpeptin Aloxistatin (E-64d) E-64 MG-101 (ALLN) Z-FA-FMK Cathepsin Inhibitor 1 PD 151746 Loxistatin Acid (E-64C)

Cell Culture, Treatment & Working Concentration

Cell Lines	Assay Type	Incubation Time	Activity Description	PMID
ramos cells	Function assay		Inhibition of cathepsin S in human ramos cells, IC50=0.045μM	18226527
stem cells	Function assay	7 days	Inhibition of osteoclastogenesis in human bone marrow-derived stem cells assessed as reduction of pit formation by measuring TRACP5b activity after 7 days by bone TRAP assay, IC50=0.1μM	22984809
HepG2	Function assay		Inhibition of cathepsin B in human HepG2 cells, IC50=1.05μM	18226527
B cells	Function assay		Inhibition of antigen presenting mouse B cells, IC50=1.5μM	18226527
HepG2	Function assay		Inhibition of cathepsin L in human HepG2 cells, IC50=4.843μM	18226527
SJ-GBM2	qHTS assay		qHTS of pediatric cancer cell lines to identify multiple opportunities for drug repurposing: Primary screen for SJ-GBM2 cells	29435139
Click to View More Cell Line Experimental Data

Chemical Information, Storage & Stability

Molecular Weight	525.56	Formula	C₂₅H₂₇F₄N₃O₃S	Storage (From the date of receipt)	3 years-20°Cpowder
CAS No.	603139-19-1	Download SDF		Storage of Stock Solutions	1 year-80°Cin solvent 1 month-20°Cin solvent
Synonyms	MK-0822			Smiles	CC(C)(CC(C(=O)NC1(CC1)C#N)NC(C2=CC=C(C=C2)C3=CC=C(C=C3)S(=O)(=O)C)C(F)(F)F)F

Solubility

In vitro
Batch:

DMSO : 100 mg/mL (190.27 mM)
(Moisture-contaminated DMSO may reduce solubility. Use fresh, anhydrous DMSO.)

Water : Insoluble

Ethanol : Insoluble

Molarity Calculator

Mass	Concentration	Volume	Molecular Weight
=	×	×

Dilution Calculator Molecular Weight Calculator

In vivo Batch:
Homogeneous suspension	CMC-NA	≥5mg/ml	Taking the 1 mL working solution as an example, add 5 mg of this product to 1 ml of CMC-Na solution, mix evenly to obtain a homogeneous suspension with a final concentration of 5 mg/ml.
Clear solution	4%DMSO 1 Corn oil Validated by Selleck labs. Should you need adjustments to this formulation, contact our sales team for custom testing.	5.000mg/ml (9.51mM)	Taking the 1 mL working solution as an example, add 40 μL of 125 mg/ml clear DMSO stock solution to 960 μL of corn oil and mix evenly. The mixed solution should be used immediately for optimal results.
Clear solution	5%DMSO 1 40%PEG300 2 5%Tween80 3 50%ddH2O Validated by Selleck labs. Should you need adjustments to this formulation, contact our sales team for custom testing.	0.800mg/ml (1.52mM)	Taking the 1 mL working solution as an example, add 50 μL of 16 mg/ml clarified DMSO stock solution to 400 μL of PEG300, mix evenly to clarify it; add 50 μL of Tween80 to the above system, mix evenly to clarify; then continue to add 500 μL of ddH2O to adjust the volume to 1 mL. The mixed solution should be used immediately for optimal results.
Clear solution	5% DMSO 1 95% Corn oil Validated by Selleck labs. Should you need adjustments to this formulation, contact our sales team for custom testing.	1.000mg/ml (1.90mM)	Taking the 1 mL working solution as an example, add 50 μL of 20 mg/ml clear DMSO stock solution to 950 μL of corn oil and mix evenly. The mixed solution should be used immediately for optimal results.
Homogeneous suspension	CMC-NA	≥5mg/ml	Taking the 1 mL working solution as an example, add 5 mg of this product to 1 ml of CMC-Na solution, mix evenly to obtain a homogeneous suspension with a final concentration of 5 mg/ml.

In vivo Formulation Calculator (Clear solution)

Step 1: Enter information below (Recommended: An additional animal making an allowance for loss during the experiment)

Dosage: mg/kg Average weight of animals: g Dosing volume per animal:μL Number of animals:

Step 2: Enter the in vivo formulation (This is only the calculator, not formulation. Please contact us first if there is no in vivo formulation at the solubility Section.)

% DMSO + % + % Tween 80 + % ddH₂O

%DMSO+ %

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 addμL PEG300, mix and clarify, next addμL Tween 80, mix and clarify, next add μL ddH₂O, mix and clarify.

Method for preparing in vivo formulation: Take μL DMSO master liquid, next add μL Corn oil, mix and clarify.

Note: 1. Please make sure the liquid is clear before adding the next solvent.
2. Be sure to add the solvent(s) in order. You must ensure that the solution obtained, in the previous addition, is a clear solution before proceeding to add the next solvent. Physical methods such as vortex, ultrasound or hot water bath can be used to aid dissolving.

Mechanism of Action

Features	A potent, selective, and neutral cathepsin K inhibitor.
Targets/IC₅₀/Ki	Cathepsin K (human) 0.2 nM Cathepsin K (rabbit) 1 nM
In vitro	In vitro, Odanacatib shows high inhibitory activity and selectivity on cathepsin K with IC50 values of 0.2 nM and 1 nM for human cathepsin K and rabbit cathepsin K, respectively. Furthermore, this compound also shows similar potencies in whole human cell enzyme occupancy assays with corrected IC50 of 5 nM. A recent study shows that this chemical results in reduction of Osteoclast (OC) resorption activity by interrupting intracellular vesicular trafficking.
In vivo	In preclinical rats, Odanacatib (10 mg/kg) exhibits excellent pharmacokinetics with clearance (Cl: 2 mL kg^-1 min^-1), low volume of distribution (V_dss: 1.1 L kg^-1), half-life (T_1/2: 6 hours) and oral bioavailability (F: 8%), respectively. Besides, this compound also exhibits excellent metabolic stability in rat hepatocytes with a 96% recovery of the parent identity. This chemical administrated by p.o. prevents bone loss in ovariectomized (OVX) rabbits in a dose-related manner. Moreover, it (9 µM/day) leads to a significant increase in proximal femur bone mineral density (BMD) (7.8%), femoral neck BMD (10.8%) and the greater trochanter BMD (6.5%). In the estrogen-deficient, skeletally mature rhesus monkeys, long-term treatment with this compound effectively inhibits bone turnover without reducing osteoclast number and maintains normal biomechanical properties of the spine of OVX nonhuman primates.
References	[1] https://pubmed.ncbi.nlm.nih.gov/18226527/ [2] https://pubmed.ncbi.nlm.nih.gov/21718816/ [3] https://pubmed.ncbi.nlm.nih.gov/20734451/ [4] https://pubmed.ncbi.nlm.nih.gov/22113859/

Clinical Trial Information

(data from https://clinicaltrials.gov, updated on 2024-05-22)

NCT Number	Recruitment	Conditions	Sponsor/Collaborators	Start Date	Phases
NCT01803607	Terminated	Osteoporosis	Merck Sharp & Dohme LLC	March 14 2013	Phase 3
NCT01630616	Terminated	Osteoporosis	Merck Sharp & Dohme LLC	March 12 2013	Phase 1
NCT01512693	Completed	Hepatic Insufficiency	Merck Sharp & Dohme LLC	February 23 2012	Phase 1
NCT01512667	Completed	Renal Insufficiency	Merck Sharp & Dohme LLC	January 17 2012	Phase 1
NCT01068262	Completed	Osteoporosis	Merck Sharp & Dohme LLC	December 8 2009	Phase 1
NCT00691899	Withdrawn	Prostate Cancer	Merck Sharp & Dohme LLC	September 2008	Phase 3

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Odanacatib Cysteine Protease inhibitor

Chemical Structure

Molecular Weight: 525.56