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Pentostatin Adenosine Deaminase inhibitor

Name: Pentostatin
Brand: Selleck Chemicals
SKU: S9521
Availability: InStock
Rating: 5 (3 reviews)

Cat.No.S9521

Pentostatin(CI-825,Deoxycoformycin) is a potent inhibitor of adenosine deaminase. The drug is effective in the treatment of many lymphoproliferative malignancies, particularly hairy-cell leukemia. It is also synergistic with some other antineoplastic agents and has immunosuppressive activity.

Chemical Structure

Molecular Weight: 268.27

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Quality Control

Batch: Purity: 99.98%

99.98

Related Targets	Adrenergic Receptor AChR 5-HT Receptor COX Calcium Channel Histamine Receptor Dopamine Receptor GABA Receptor TRP Channel Cholinesterase (ChE)
Other Adenosine Deaminase Inhibitors	Hibifolin

Solubility

In vitro
Batch:

DMSO : 54 mg/mL (201.28 mM)
(Moisture-contaminated DMSO may reduce solubility. Use fresh, anhydrous DMSO.)

Water : 54 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.	2.700mg/ml (10.06mM)	Taking the 1 mL working solution as an example, add 50 μL of 54 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.	0.450mg/ml (1.68mM)	Taking the 1 mL working solution as an example, add 50 μL of 9 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	268.27	Formula	C₁₁H₁₆N₄O₄	Storage (From the date of receipt)	3 years -20°C powder
CAS No.	53910-25-1	--		Storage of Stock Solutions	1 year-80°Cin solvent 1 month-20°Cin solvent
Synonyms	CI-825,Deoxycoformycin			SMILES	C1C(C(OC1N2C=NC3=C2NC=NCC3O)CO)O

Read more about storage stability stock solution CAS number SMILES

Mechanism of Action

References	[1] https://pubmed.ncbi.nlm.nih.gov/1504408/

Clinical Trial Information

(data from https://clinicaltrials.gov, updated on 2026-01-05)

NCT Number	Recruitment	Conditions	Sponsor/Collaborators	Start Date	Phases
NCT05757310	RECRUITING	Recurrent Severe Aplastic Anemia; Refractory Severe Aplastic Anemia	City of Hope Medical Center	2024-11-15	PHASE1
NCT03249831	ACTIVE_NOT_RECRUITING	Sickle Cell Disease; Sickle Cell Disorder; Hemoglobinopathies; Thalassemia; Anemia, Sickle Cell	City of Hope Medical Center	2019-01-04	PHASE1
NCT03663933	ACTIVE_NOT_RECRUITING	Lymphoproliferative Disorders; Autoimmune Lymphoproliferative; Primary T-cell Immunodeficiency Disorders; Immune System Diseases; Common Variable Immunodeficiency	National Cancer Institute (NCI)	2018-09-04	PHASE2
NCT02105766	ACTIVE_NOT_RECRUITING	Sickle Cell Disease; Thalassemia; Stem Cell Transplantation; Graft vs Host Disease	National Heart, Lung, and Blood Institute (NHLBI)	2014-04-21	PHASE2
NCT03077542	ACTIVE_NOT_RECRUITING	Sickle Cell Disease	National Heart, Lung, and Blood Institute (NHLBI)	2017-04-06	PHASE1; PHASE2
NCT01059786	ACTIVE_NOT_RECRUITING	Hairy Cell Leukemia	National Cancer Institute (NCI)	2010-07-01	PHASE2

Tech Support

Handling Instructions

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