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Synonyms: L-6-Diazo-5-oxonorleucine, DON, Diazooxonorleucine


| Pack Size | Price | USA Stock | Global Stock | Quantity |
|---|---|---|---|---|
| 1 mg | $40 | In Stock | In Stock | |
| 5 mg | $123 | In Stock | In Stock | |
| 10 mg | $183 | In Stock | In Stock | |
| 25 mg | $297 | In Stock | In Stock | |
| 50 mg | $456 | In Stock | In Stock | |
| 100 mg | $668 | In Stock | In Stock | |
| 1 mL x 10 mM (in DMSO) | $80 | In Stock | In Stock |
| Description | 6-Diazo-5-oxo-L-nor-Leucine (DON) is a glutamine antagonist, an irreversible glutaminolysis inhibitor (Ki=6 μM) with antitumor (particularly pancreatic cancer), antibacterial, and antiviral activities. |
| Targets & IC50 | GLS1:~1 mM, Glutaminases:6 μM (Ki) |
| In vitro | Methods: Thyroid cancer TPC-1, K1, BCPAP, FTC133, and 8305C cells were used to evaluate 6-Diazo-5-oxo-L-nor-Leucine in vitro activity through CCK-8, EdU incorporation, and colony formation assays. Cells were treated at concentrations of 0.5–2.0 μmol/L for 48–72 hours or 5–10 days. Results: The compound concentration-dependently inhibited cell viability, DNA synthesis, and colony formation, induced S phase arrest, and downregulated cell cycle-related proteins including CDK2 and Cyclin A.[1] Methods: U251, U87, and SF767 glioblastoma cells were used to evaluate 6-Diazo-5-oxo-L-nor-Leucine in vitro activity through MTS cell proliferation assay. Cells were treated with increasing concentrations of 6-Diazo-5-oxo-L-nor-Leucine for 72 hours. Results: The compound dose-dependently inhibited proliferation of the above cell lines, and showed synergistic enhancement when combined with L-asparaginase.[2] Methods: C4-2/MDVR castration-resistant prostate cancer cells were used to validate 6-Diazo-5-oxo-L-nor-Leucine in vitro activity through metabolic profiling and isotope tracing experiments. Cells were treated at 5 μmol/L concentration for 48 hours. Results: The compound significantly increased intracellular glutamine levels, reduced tricarboxylic acid cycle intermediates and nucleotide metabolites, while blocking glutamine carbon metabolism and nitrogen metabolism pathways.[3] |
| In vivo | Methods: A K1 thyroid cancer xenograft model was established by subcutaneous transplantation in BALB/c nude mice. The prodrug of 6-Diazo-5-oxo-L-nor-Leucine, JHU-083 (2 mg/kg), was administered every other day, initially by oral gavage and subsequently by intraperitoneal injection, with PBS as the control. Results: JHU-083 significantly inhibited tumor growth, reduced tumor weight, decreased Ki-67-positive cells, and caused no obvious toxicity, confirming the in vivo antitumor activity of 6-Diazo-5-oxo-L-nor-Leucine. [1] Methods: A U87 human glioma xenograft model was established by subcutaneous transplantation in female athymic mice. 6-Diazo-5-oxo-L-nor-Leucine was administered by intraperitoneal injection at a dose of 0.8 mg/kg once daily for 6 consecutive days, with HEPES-buffered saline as the vehicle; the control group received an equal volume of vehicle. Results: 6-Diazo-5-oxo-L-nor-Leucine significantly inhibited tumor growth compared to the control group, with statistical significance. [4] |
| Synonyms | L-6-Diazo-5-oxonorleucine, DON, Diazooxonorleucine |
| Molecular Weight | 171.15 |
| Formula | C6H9N3O3 |
| Cas No. | 157-03-9 |
| Smiles | N[C@@H](CCC(=O)C=[N+]=[N-])C(O)=O |
| Relative Density. | 1.3994 g/cm3 (Estimated) |
| Storage | Store at low temperature,Keep away from direct sunlight Powder: -20°C for 3 years | In solvent: -80°C for 1 year Shipping with blue ice/Shipping at ambient temperature. | |||||||||||||||||||||||||||||||||||
| Solubility Information | DMSO: 7 mg/mL (40.9 mM), Sonication is recommended. H2O: 12.5 mg/mL (73.04 mM), Sonication is recommended. | |||||||||||||||||||||||||||||||||||
Solution Preparation Table | ||||||||||||||||||||||||||||||||||||
DMSO/H2O
H2O
Note : The dilution table applies only to solid products. For liquid products, please calculate the stock solution based on the stated concentration and/or density. | ||||||||||||||||||||||||||||||||||||
Dissolve 2 mg of the compound in 100 μL DMSO
to obtain a stock solution at a concentration of 20 mg/mL . If the required concentration exceeds the compound's known solubility, please contact us for technical support before proceeding.
1) Add 100 μL of the DMSO
stock solution to 400 µL PEG300
and mix thoroughly until the solution becomes clear.
2) Add 50 µL Tween 80 and mix well until fully clarified.
3) Add 450 µL Saline,PBS or ddH2O
and mix thoroughly until a homogeneous solution is obtained.
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