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Silibinin (NSC 651520)

Name: Silibinin (NSC 651520)
Brand: Selleck Chemicals
SKU: S2357
Availability: InStock
Rating: 5 (11 reviews)

Cat.No.S2357

Silibinin (NSC 651520, Silybin, Silibinin A, Silymarin I, Flavobin), the main flavonoid extracted from the milk thistle Silybum marianum, displays hepatoprotective properties in acute and chronic liver injury.

Chemical Structure

Molecular Weight: 482.44

Jump to Mechanism of Action Solubility Chemical Information, Storage & Stability

Quality Control

Batch: Purity: 99.93%

99.93

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Chemical Information, Storage & Stability

Molecular Weight	482.44	Formula	C₂₅H₂₂O₁₀	Storage (From the date of receipt)	3 years-20°Cpowder
CAS No.	22888-70-6	Download SDF		Storage of Stock Solutions	1 year-80°Cin solvent 1 month-20°Cin solvent
Synonyms	Silybin, Silibinin A, Silymarin I, Flavobin			Smiles	COC1=C(C=CC(=C1)C2C(OC3=C(O2)C=C(C=C3)C4C(C(=O)C5=C(C=C(C=C5O4)O)O)O)CO)O

Solubility

In vitro
Batch:

DMSO : 96 mg/mL (198.98 mM)
(Moisture-contaminated DMSO may reduce solubility. Use fresh, anhydrous DMSO.)

Water : Insoluble

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.
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.

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

In vitro

Silibinin (NSC 651520) is a mixture of two diastereomers, silibinin A and silybinin B, in approximately equimolar ratio. Both in vitro and animal research suggest that this compound has hepatoprotective (antihepatotoxic) properties that protect liver cells against toxins. ^[1] It has also demonstrated in vitro anti-cancer effects against human prostate adenocarcinoma cells, estrogen-dependent and -independent human breast carcinoma cells, human ectocervical carcinoma cells, human colon cancer cells, and both small and nonsmall human lung carcinoma cells. ^[2] ^[3] ^[4]

References

[4] https://pubmed.ncbi.nlm.nih.gov/12894553/

Clinical Trial Information

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

NCT Number	Recruitment	Conditions	Sponsor/Collaborators	Start Date	Phases
NCT03440164	Completed	Liver Diseases\|Chronic Liver Disease	Medica Sur Clinic & Foundation	November 11 2016	--
NCT01129570	Completed	Advanced Hepatocellular Carcinoma	Abby Siegel\|Lotte & John Hecht Memorial Foundation\|Columbia University	February 2010	Phase 1
NCT00487721	Completed	Prostate Cancer	University of Colorado Denver\|Sir Mortimer B. Davis - Jewish General Hospital	August 2006	Phase 2
NCT00181662	Completed	Healthy	Massachusetts General Hospital	August 2005	Not Applicable

Tech Support

Handling Instructions

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