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SB-405483

Cat No.:V144652 Purity: ≥98%
SB-405483 is a CRBN ortho-ligand binding enhancer.
SB-405483
SB-405483 Chemical Structure Product category: Wee1
This product is for research use only, not for human use. We do not sell to patients.
Size Price Stock Qty
50mg
100mg
250mg
1g
Other Sizes
Official Supplier of:
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Product Description
SB-405483 is a CRBN ortho-ligand binding enhancer. SB-405483 enhances the degradation of CRBN substrates, including CK1α, Wee1, and IKZF1/3. SB-405483 stabilizes CRBN and reduces its autoubiquitination. SB-405483 can be used in cancer research, such as for multiple myeloma and acute myeloid leukemia.
Biological Activity I Assay Protocols (From Reference)
ln Vitro
SB-405483 (2.5-25 μM) showed a binding potency of 25 ± 0.9 μM to the recombinant human CRBN/DDB1 complex and exhibited a high synergistic effect with the lenalidomide-Alexa647 probe [1]. SB-405483 (25 μM) enhanced the binding of various ortho-CRBN ligands to the recombinant human CRBN/DDB1 complex, with its IC50 value decreasing by 8.96 to 43.7 times, but had no effect on the binding of mecelidomide [1]. SB-405483 (0.1-25 μM; 1 h) stabilized endogenous CRBN in MM.1S cells in a dose-dependent manner, with enhanced stabilizing effect when co-treated with lenalidomide [1]. SB-405483 (0.1–10 μM) inhibited autoubiquitination of endogenous Flag-labeled CRBN in HEK293T cells in a dose-dependent manner [1]. SB-405483 (10 μM; 0.5–24 h) enhanced DEG-47-mediated degradation of endogenous CK1α in MOLM-13 cells [1]. SB-405483 (10 μM; 24 h) enhanced DEG-47-mediated degradation of Wee1 in A2780 Wee1-HiBiT cells and MOLM-13 cells [1]. SB-405483 (10 μM; 24 h) inhibited DEG-47-mediated degradation of IKZF1/3(ZF2)-GFP and IKZF2(ZF2)-GFP in HEK293T reporter cells for 24 hours [1]. SB-405483 (10 μM; 24 h) slightly enhanced DEG-47-mediated degradation of SALL4(ZF1,2)-GFP in U937 Cas9 cells [1].
Cell Assay
Western Blot Analysis [1]
Cell Types: Human acute myeloid leukemia MOLM-13 cells
Tested Concentrations: 10 μM
Incubation Duration: 0.5, 1, 2, 4, 6, 24 hours
Experimental Results: In the GFP-CK1α reporter gene assay, the DC50 value of DEG-47 decreased from 21 nM to 5 nM after 24 hours. CK1α expression was reduced.
References

[1]. Identification of an allosteric site on the E3 ligase adapter cereblon. Nature. Published online January 21, 2026.

These protocols are for reference only. InvivoChem does not independently validate these methods.
Physicochemical Properties
Molecular Formula
C20H16N4O3
Molecular Weight
360.37
Appearance
White to light yellow solid
SMILES
O=C(NC1=CC=C(C#N)C=C1O)NC2=NC=CC=C2OCC3=CC=CC=C3
HS Tariff Code
2934.99.9001
Storage

Powder      -20°C    3 years

                     4°C     2 years

In solvent   -80°C    6 months

                  -20°C    1 month

Note: 请将本产品存放在密封且受保护的环境中(例如氮气下),避免暴露在潮湿环境中。
Shipping Condition
Room temperature (This product is stable at ambient temperature for a few days during ordinary shipping and time spent in Customs)
Solubility Data
Solubility (In Vitro)
DMSO : ~25 mg/mL (~69.37 mM; with sonication)
Solubility (In Vivo)
Solubility in Formulation 1: ≥ 2.5 mg/mL (6.94 mM) (saturation unknown) in 10% DMSO + 90% Corn Oil (add these co-solvents sequentially from left to right, and one by one), Clear solution.
For example, if 1 mL of working solution is to be prepared, you canAdd 100 μL of DMSO stock solution (25.0 mg/mL) to 900 μL of corn oil and mix well.

 (Please use freshly prepared in vivo formulations for optimal results.)
Preparing Stock Solutions 1 mg 5 mg 10 mg
1 mM 2.7749 mL 13.8746 mL 27.7493 mL
5 mM 0.5550 mL 2.7749 mL 5.5499 mL
10 mM 0.2775 mL 1.3875 mL 2.7749 mL

*Note: Please select an appropriate solvent for the preparation of stock solution based on your experiment needs. For most products, DMSO can be used for preparing stock solutions (e.g. 5 mM, 10 mM, or 20 mM concentration); some products with high aqueous solubility may be dissolved in water directly. Solubility information is available at the above Solubility Data section. Once the stock solution is prepared, aliquot it to routine usage volumes and store at -20°C or -80°C. Avoid repeated freeze and thaw cycles.

Calculator

Molarity Calculator allows you to calculate the mass, volume, and/or concentration required for a solution, as detailed below:

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An example of molarity calculation using the molarity calculator is shown below:
What is the mass of compound required to make a 10 mM stock solution in 5 ml of DMSO given that the molecular weight of the compound is 350.26 g/mol?
  • Enter 350.26 in the Molecular Weight (MW) box
  • Enter 10 in the Concentration box and choose the correct unit (mM)
  • Enter 5 in the Volume box and choose the correct unit (mL)
  • Click the “Calculate” button
  • The answer of 17.513 mg appears in the Mass box. In a similar way, you may calculate the volume and concentration.

Dilution Calculator allows you to calculate how to dilute a stock solution of known concentrations. For example, you may Enter C1, C2 & V2 to calculate V1, as detailed below:

What volume of a given 10 mM stock solution is required to make 25 ml of a 25 μM solution?
Using the equation C1V1 = C2V2, where C1=10 mM, C2=25 μM, V2=25 ml and V1 is the unknown:
  • Enter 10 into the Concentration (Start) box and choose the correct unit (mM)
  • Enter 25 into the Concentration (End) box and select the correct unit (mM)
  • Enter 25 into the Volume (End) box and choose the correct unit (mL)
  • Click the “Calculate” button
  • The answer of 62.5 μL (0.1 ml) appears in the Volume (Start) box
g/mol

Molecular Weight Calculator allows you to calculate the molar mass and elemental composition of a compound, as detailed below:

Note: Chemical formula is case sensitive: C12H18N3O4  c12h18n3o4
Instructions to calculate molar mass (molecular weight) of a chemical compound:
  • To calculate molar mass of a chemical compound, please enter the chemical/molecular formula and click the “Calculate’ button.
Definitions of molecular mass, molecular weight, molar mass and molar weight:
  • Molecular mass (or molecular weight) is the mass of one molecule of a substance and is expressed in the unified atomic mass units (u). (1 u is equal to 1/12 the mass of one atom of carbon-12)
  • Molar mass (molar weight) is the mass of one mole of a substance and is expressed in g/mol.
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Reconstitution Calculator allows you to calculate the volume of solvent required to reconstitute your vial.

  • Enter the mass of the reagent and the desired reconstitution concentration as well as the correct units
  • Click the “Calculate” button
  • The answer appears in the Volume (to add to vial) box
In vivo Formulation Calculator (Clear solution)
Step 1: Enter information below (Recommended: An additional animal to make allowance for loss during the experiment)
Step 2: Enter in vivo formulation (This is only a calculator, not the exact formulation for a specific product. Please contact us first if there is no in vivo formulation in the solubility section.)
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Calculation results

Working concentration mg/mL;

Method for preparing DMSO stock solution mg drug pre-dissolved in μL DMSO (stock solution 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 stock solution, next add μL PEG300, mix and clarify, next addμL Tween 80, mix and clarify, next add μL ddH2O,mix and clarify.

(1) Please be sure that the solution is clear before the addition of next solvent. Dissolution methods like vortex, ultrasound or warming and heat may be used to aid dissolving.
             (2) Be sure to add the solvent(s) in order.

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