Tubulin/NEDDylation-IN-1 (compound C11) is a dual inhibitor of microtubule/tubulin-NEDDylation (IC50=2.40 μM for microtubule) with strong antiproliferative activity. Neddylation is a post-translational modification of proteins that covalently tags the ubiquitin-like protein NEDD8 to target proteins. Tubulin/NEDDylation-IN-1 forms hydrogen bonds with residues of tubulin and E1 NEDD8 activating enzyme (NAE) through methoxy and dithiocarbamate groups and inhibits NEDDylation and microtubule polymerization in an ATP-dependent manner.

Physicochemical Properties

Molecular Formula	C25H32N2O5S2
Molecular Weight	504.66
Appearance	Light yellow to yellow solid powder
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
Shipping Condition	Room temperature (This product is stable at ambient temperature for a few days during ordinary shipping and time spent in Customs)

Biological Activity

Targets	2.40 μM (Microtubule/Tubulin)[1]
References	[1].Discovery of dual tubulin-NEDDylation inhibitors with antiproliferative activity. J Enzyme Inhib Med Chem. 2023 Dec;38(1):166-175.

Solubility Data

Solubility (In Vitro)

DMSO :~100 mg/mL (~198.15 mM; with sonication)

Solubility (In Vivo)

Solubility in Formulation 1: 2.5 mg/mL (4.95 mM) in 10% DMSO + 40% PEG300 + 5% Tween-80 + 45% Saline (add these co-solvents sequentially from left to right, and one by one),clear solution; with ultrasonication. For example, if 1 mL of working solution is to be prepared,you can add 100 μL of 25.0 mg/mL clear DMSO stock solution and add it to 400 μL PEG300 and mix well. Then add 50 μL Tween-80 to the above system and mix well. Then continue to add 450 μL of physiological saline to make up to 1 mL. Preparation of saline: Dissolve 0.9 g of sodium chloride in 100 mL ddH₂ O to obtain a clear solution. Solubility in Formulation 2: 2.5 mg/mL (4.95 mM) in 10% DMSO + 90% (20% SBE-β-CD in Saline) (add these co-solvents sequentially from left to right, and one by one),clear solution; with ultrasonication. For example, if 1 mL of working solution is to be prepared,you can add 100 μL of 25.0 mg/mL clear DMSO stock solution and add it to 900 μL of 20% SBE-β-CD saline solution and mix well. Preparation of 20% SBE-β-CD in Saline (4°C，1 week): Dissolve 2 g SBE-β-CD in 10 mL saline to obtain a clear solution. Solubility in Formulation 3: 2.5 mg/mL (4.95 mM) in 10% DMSO + 90% Corn Oil (add these co-solvents sequentially from left to right, and one by one),clear solution; with ultrasonication. For example, if 1 mL of working solution is to be prepared,you can add 100 μL of 25.0 mg/mL clear DMSO stock solution and add it to 900 μL 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	1.9815 mL	9.9077 mL	19.8153 mL
	5 mM	0.3963 mL	1.9815 mL	3.9631 mL
	10 mM	0.1982 mL	0.9908 mL	1.9815 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.