Name: Valganciclovir HCl
Brand: Selleck Chemicals
SKU: S4050
Availability: InStock
Rating: 5 (3 reviews)

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Quality Control

Batch: Purity: 99.83%

99.83

Related Targets	Integrase Bacterial Antibiotics Anti-infection Fungal Antiviral COVID-19 Parasite Reverse Transcriptase HIV
Other CMV Inhibitors	Valaciclovir HCl Bisindolylmaleimide IV Brivudine (BVDU)

Solubility

In vitro
Batch:

DMSO : 78 mg/mL (199.58 mM)
(Moisture-contaminated DMSO may reduce solubility. Use fresh, anhydrous DMSO.)

Water : 78 mg/mL

Ethanol : Insoluble

Molarity Calculator

Mass	Concentration	Volume	Molecular Weight
Mass value Mass unit	Concentration value Concentration unit	Volume value Volume unit	Molecular weight (g/mol)

Dilution Calculator Molecular Weight Calculator

In vivo batch selection 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.
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.
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	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.	3.900mg/ml (9.98mM)	Taking the 1 mL working solution as an example, add 50 μL of 78 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.	0.650mg/ml (1.66mM)	Taking the 1 mL working solution as an example, add 50 μL of 13 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.

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.

Chemical Information, Storage & Stability

Molecular Weight	390.82	Formula	C₁₄H₂₂N₆O₅.HCl	Storage (From the date of receipt)	3 years-20°Cpowder
CAS No.	175865-59-5	Download SDF		Storage of Stock Solutions	1 year-80°Cin solvent 1 month-20°Cin solvent
Synonyms	N/A			Smiles	CC(C)C(C(=O)OCC(CO)OCN1C=NC2=C1N=C(NC2=O)N)N.Cl

Mechanism of Action

In vitro	Valganciclovir hydrochloride is a hydrochloride salt of the L-valyl ester of ganciclovir that exists as a mixture of two diastereomers. After administration, these diastereomers are rapidly converted to ganciclovir by hepatic and intestinal esterases. In cytomegalovirus (CMV)-infected cells, ganciclovir is initially phosphorylated to the monophosphate form by viral protein kinase, then it is further phosphorylated via cellular kinases to produce the triphosphate form. This triphosphate form is slowly metabolized intracellularly. The phosphorylation is dependent upon the viral kinase and occurs preferentially in virus-infected cells. The virustatic activity of ganciclovir is due to the inhibition of viral DNA synthesis by ganciclovir triphosphate. Ganciclovir triphosphate is incorporated into the DNA strand replacing many of the adenosine bases. This results in the prevention of DNA synthesis, as phosphodiester bridges can longer to be built, destabilizing the strand. Ganciclovir inhibits viral DNA polymerases more effectively than it does cellular polymerase, and chain elongation resumes when ganciclovir is removed.
In vivo	After oral administration, intestinal and hepatic esterases hydrolyze both diastereomers to ganciclovir, which inhibits replication of the human cytomegalovirus. Valganciclovir is well absorbed from the gastrointestinal tract and the absolute bioavailability from valganciclovir tablets (following administration with food) is approximately 60%.
References	[1] http://www.ncbi.nlm.nih.gov/pubmed/ 10824137 [2] http://www.ncbi.nlm.nih.gov/pubmed/ 15819597

Clinical Trial Information

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

NCT Number	Recruitment	Conditions	Sponsor/Collaborators	Start Date	Phases
NCT06407232	Not yet recruiting	Cytomegalovirus Infections\|Kidney Transplant Infection\|Pancreas Transplant	University of Wisconsin Madison\|Merck Sharp & Dohme LLC	May 2024	Phase 3
NCT06034925	Recruiting	Transplant Complication\|CMV	Medical University of South Carolina\|Takeda	November 6 2023	Phase 4
NCT03301415	Terminated	Congenital Cytomegalovirus Infection	National Institute of Allergy and Infectious Diseases (NIAID)	August 21 2019	Phase 2
NCT03698435	Unknown status	Cytomegalovirus Infections	University Medical Center Groningen	May 25 2018	--

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Valganciclovir HCl CMV inhibitor

Chemical Structure

Molecular Weight: 390.82