2. Membrane Transporter/Ion Channel
  3. Monocarboxylate Transporter
  4. Silychristin

Silychristin is an abundant flavonolignan present in the fruits of Silybum marianum, with antioxidant properties. Silychristin is a potent inhibitor of the thyroid hormone transporter MCT8, and elicits a strong inhibition of T3 uptake with an IC50 of 110 nM.

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Silychristin Chemical Structure

Silychristin Chemical Structure

CAS No. : 33889-69-9

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Solid + Solvent (Highly Recommended)
10 mM * 1 mL in DMSO
ready for reconstitution
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10 mM * 1 mL in DMSO USD 94 In-stock
Solid
1 mg USD 55 In-stock
5 mg USD 88 In-stock
10 mg USD 120 In-stock
25 mg USD 210 In-stock
50 mg USD 310 In-stock
100 mg USD 450 In-stock
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Customer Review

Based on 1 publication(s) in Google Scholar

Other Forms of Silychristin:

Silychristin Related Antibodies

Top Publications Citing Use of Products

1 Publications Citing Use of MCE Silychristin

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  • Biological Activity

  • Purity & Documentation

  • References

  • Customer Review

Description

Silychristin is an abundant flavonolignan present in the fruits of Silybum marianum, with antioxidant properties. Silychristin is a potent inhibitor of the thyroid hormone transporter MCT8, and elicits a strong inhibition of T3 uptake with an IC50 of 110 nM[1][2].

IC50 & Target

MCT8[2]
In Vitro

Silychristin exhibits a strong inhibition of MCT8-mediated T3 uptake with an IC50 of 110 nM in MCT8 overexpressing MDCK1-cells[2].
Silychristin causes no cytotoxic for fibroblasts[3].
Silychristin (6.5-75 μM; 24 hours) diminishes UVA toxicity and reduces ROS generation, and the protective effect is dose-dependent[3].
Silychristin (12.5μM, 25μM) reduces the metalloproteinase-1 (MMP-1) level in cells[3].

MedChemExpress (MCE) has not independently confirmed the accuracy of these methods. They are for reference only.

Silychristin Related Antibodies

Cell Viability Assay[3]

Cell Line: NHDF
Concentration: 6.5 μM,12.5 μM,25 μM,50 μM,75 μM
Incubation Time: 24 hours
Result: Diminished UVA toxicity and reduced ROS generation in dose-dependent.

Cell Viability Assay [3]

Cell Line: NHDF
Concentration: 12.5 μM, 25 μM
Incubation Time:
Result: Reduced the metalloproteinase-1 (MMP-1) level in cells.
Molecular Weight

482.44

Formula

C25H22O10
CAS No.
Appearance

Solid

Color

White to off-white

SMILES

O=C1[C@H](O)[C@@H](C2=CC(O)=C(O[C@@H](C3=CC=C(O)C(OC)=C3)[C@@H]4CO)C4=C2)OC5=CC(O)=CC(O)=C15
Structure Classification
Initial Source
Shipping

Room temperature in continental US; may vary elsewhere.
Storage
Powder -20°C 3 years
4°C 2 years
In solvent -80°C 2 years
-20°C 1 year
Solvent & Solubility
In Vitro: 

DMSO : 100 mg/mL (207.28 mM; Need ultrasonic; Hygroscopic DMSO has a significant impact on the solubility of product, please use newly opened DMSO)

Preparing
Stock Solutions
Concentration Solvent Mass 1 mg 5 mg 10 mg
1 mM 2.0728 mL 10.3640 mL 20.7280 mL
5 mM 0.4146 mL 2.0728 mL 4.1456 mL
View the Complete Stock Solution Preparation Table

* Please refer to the solubility information to select the appropriate solvent. Once prepared, please aliquot and store the solution to prevent product inactivation from repeated freeze-thaw cycles.
Storage method and period of stock solution: -80°C, 2 years; -20°C, 1 year. When stored at -80°C, please use it within 2 years. When stored at -20°C, please use it within 1 year.

  • Molarity Calculator

  • Dilution Calculator

Mass (g) = Concentration (mol/L) × Volume (L) × Molecular Weight (g/mol)

Mass
=
Concentration
×
Volume
×
Molecular Weight *

Concentration (start) × Volume (start) = Concentration (final) × Volume (final)

This equation is commonly abbreviated as: C1V1 = C2V2

Concentration (start)

C1

×
Volume (start)

V1

=
Concentration (final)

C2

×
Volume (final)

V2

In Vivo:

Select the appropriate dissolution method based on your experimental animal and administration route.

For the following dissolution methods, please ensure to first prepare a clear stock solution using an In Vitro approach and then sequentially add co-solvents:
To ensure reliable experimental results, the clarified stock solution can be appropriately stored based on storage conditions. As for the working solution for in vivo experiments, it is recommended to prepare freshly and use it on the same day.
The percentages shown for the solvents indicate their volumetric ratio in the final prepared solution. If precipitation or phase separation occurs during preparation, heat and/or sonication can be used to aid dissolution.

  • Protocol 1

    Add each solvent one by one:  10% DMSO    90% (20% SBE-β-CD in Saline)

    Solubility: ≥ 2.5 mg/mL (5.18 mM); Clear solution

    This protocol yields a clear solution of ≥ 2.5 mg/mL (saturation unknown).

    Taking 1 mL working solution as an example, add 100 μL DMSO stock solution (25.0 mg/mL) to 900 μL 20% SBE-β-CD in Saline, and mix evenly.

    Preparation of 20% SBE-β-CD in Saline (4°C, storage for one week): 2 g SBE-β-CD powder is dissolved in 10 mL Saline, completely dissolve until clear.
  • Protocol 2

    Add each solvent one by one:  10% DMSO    90% Corn Oil

    Solubility: ≥ 2.5 mg/mL (5.18 mM); Clear solution

    This protocol yields a clear solution of ≥ 2.5 mg/mL (saturation unknown). If the continuous dosing period exceeds half a month, please choose this protocol carefully.

    Taking 1 mL working solution as an example, add 100 μL DMSO stock solution (25.0 mg/mL) to 900 μL Corn oil, and mix evenly.

In Vivo Dissolution Calculator
Please enter the basic information of animal experiments:

Dosage

mg/kg

Animal weight
(per animal)

g

Dosing volume
(per animal)

μL

Number of animals

Recommended: Prepare an additional quantity of animals to account for potential losses during experiments.
Please enter your animal formula composition:
%
DMSO +
% 
+
%
Tween-80 +
%
Saline
Recommended: Keep the proportion of DMSO in working solution below 2% if your animal is weak.
The co-solvents required include: DMSO, . All of co-solvents are available by MedChemExpress (MCE). , Tween 80. All of co-solvents are available by MedChemExpress (MCE).
Calculation results:
Working solution concentration: mg/mL
Method for preparing stock solution: mg drug dissolved in μL  DMSO (Stock solution concentration: mg/mL).
The concentration of the stock solution you require exceeds the measured solubility. The following solution is for reference only. If necessary, please contact MedChemExpress (MCE).
Method for preparing in vivo working solution for animal experiments: Take μL DMSO stock solution, add μL . μL , mix evenly, next add μL Tween 80, mix evenly, then add μL Saline.
 If the continuous dosing period exceeds half a month, please choose this protocol carefully.
Please ensure that the stock solution in the first step is dissolved to a clear state, and add co-solvents in sequence. You can use ultrasonic heating (ultrasonic cleaner, recommended frequency 20-40 kHz), vortexing, etc. to assist dissolution.
Purity & Documentation

Purity: 99.91%

COA (249 KB) HNMR (281 KB) LCMS (93 KB)

Handling Instructions (2659 KB)
References

Complete Stock Solution Preparation Table

* Please refer to the solubility information to select the appropriate solvent. Once prepared, please aliquot and store the solution to prevent product inactivation from repeated freeze-thaw cycles.
Storage method and period of stock solution: -80°C, 2 years; -20°C, 1 year. When stored at -80°C, please use it within 2 years. When stored at -20°C, please use it within 1 year.

Optional Solvent Concentration Solvent Mass 1 mg 5 mg 10 mg 25 mg
DMSO 1 mM 2.0728 mL 10.3640 mL 20.7280 mL 51.8199 mL
5 mM 0.4146 mL 2.0728 mL 4.1456 mL 10.3640 mL
10 mM 0.2073 mL 1.0364 mL 2.0728 mL 5.1820 mL
15 mM 0.1382 mL 0.6909 mL 1.3819 mL 3.4547 mL
20 mM 0.1036 mL 0.5182 mL 1.0364 mL 2.5910 mL
25 mM 0.0829 mL 0.4146 mL 0.8291 mL 2.0728 mL
30 mM 0.0691 mL 0.3455 mL 0.6909 mL 1.7273 mL
40 mM 0.0518 mL 0.2591 mL 0.5182 mL 1.2955 mL
50 mM 0.0415 mL 0.2073 mL 0.4146 mL 1.0364 mL
60 mM 0.0345 mL 0.1727 mL 0.3455 mL 0.8637 mL
80 mM 0.0259 mL 0.1295 mL 0.2591 mL 0.6477 mL
100 mM 0.0207 mL 0.1036 mL 0.2073 mL 0.5182 mL
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Silychristin Related Classifications

Help & FAQs
  • Do most proteins show cross-species activity?

    Species cross-reactivity must be investigated individually for each product. Many human cytokines will produce a nice response in mouse cell lines, and many mouse proteins will show activity on human cells. Other proteins may have a lower specific activity when used in the opposite species.

Keywords:

Silychristin33889-69-9Monocarboxylate TransporterInhibitorinhibitorinhibit

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