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Diallyl disulfide

Cat No.:V49947 Purity: ≥98%
Diallyl disulfide inhibits human squalene monooxygenase and inhibits squalene epoxidation with IC50 of 400 μM.
Diallyl disulfide
Diallyl disulfide Chemical Structure CAS No.: 2179-57-9
Product category: New3
This product is for research use only, not for human use. We do not sell to patients.
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Product Description
Diallyl disulfide inhibits human squalene monooxygenase and inhibits squalene epoxidation with IC50 of 400 μM.
Diallyl disulfide (DADS) (CAS#: 2179-57-9) is a bioactive organosulfur compound derived from garlic, known for its diverse pharmacological properties including antioxidant, anti-inflammatory, antimicrobial, and anticancer effects. It has a molecular formula of C6H10S2 and a molecular weight of 146.27. Diallyl disulfide has an antitumor effect that can be enhanced by miR-200b and miR-22. It induces antioxidant defense mechanisms by activating the Nrf2 pathway and reduces inflammatory response by inhibiting NF-κB activation.
Biological Activity I Assay Protocols (From Reference)
Targets
Diallyl disulfide targets multiple cellular pathways involved in oxidative stress, inflammation, and cancer. It induces antioxidant defense mechanisms by activating the Nrf2 pathway, leading to increased expression of antioxidant enzymes. It reduces the inflammatory response by inhibiting NF-κB activation. The compound's anticancer effects are mediated through induction of apoptosis, cell cycle arrest, and inhibition of cancer cell proliferation. Its multi-targeted activity makes it a valuable tool for studying oxidative stress, inflammation, and cancer biology.
ln Vitro
In vitro, diallyl disulfide exhibits antioxidant, anti-inflammatory, antimicrobial, and anticancer activities. It induces antioxidant defense mechanisms by activating the Nrf2 pathway and reduces inflammatory response by inhibiting NF-κB activation. The compound's antitumor effect can be enhanced by miR-200b and miR-22. Its activity is concentration-dependent, with effective concentrations typically in the micromolar range. Its multi-functional activity makes it a valuable tool for studying natural product pharmacology, oxidative stress, inflammation, and cancer biology.
ln Vivo
In vivo, diallyl disulfide has been studied in preclinical models of cancer and inflammation. Its antioxidant, anti-inflammatory, and anticancer effects have been demonstrated in animal models. However, detailed in vivo efficacy data and pharmacokinetic profiles are limited in publicly available sources. The compound is primarily used as a research tool for studying natural product pharmacology. Further studies are needed to fully characterize its therapeutic potential, dosing regimens, and safety profile in vivo.
Enzyme Assay
The in vitro antioxidant activity assay for diallyl disulfide typically uses cell-based or cell-free systems. For cell-free assays, the compound is tested for its ability to scavenge free radicals using DPPH, ABTS, or ORAC assays. For cell-based assays, cells are treated with the compound and exposed to oxidative stress (e.g., H2O2), and ROS levels are measured using fluorescent probes such as DCFH-DA. Nrf2 activation is assessed by measuring nuclear translocation of Nrf2 by immunofluorescence and expression of Nrf2 target genes (HO-1, NQO1) by qRT-PCR. NF-κB inhibition is assessed by measuring phosphorylation of IκBα and NF-κB nuclear translocation by Western blotting. Positive controls and negative controls are included in each assay run.
Cell Assay
For in vitro cellular assays, cancer cell lines or immune cells are treated with diallyl disulfide at concentrations ranging from 1 to 100 µM for 24-72 hours. Cell viability is assessed using MTT or CellTiter-Glo assays. Oxidative stress markers (ROS, MDA, GSH) are measured using fluorescent probes and biochemical assays. Inflammatory markers (TNF-α, IL-6, IL-1β) are measured by ELISA. Nrf2 activation and NF-κB inhibition are assessed by Western blotting. Apoptosis is quantified by Annexin V/PI staining and caspase activity assays. Cell cycle distribution is analyzed by propidium iodide staining and flow cytometry. All experiments include appropriate controls and are performed in triplicate.
Animal Protocol
For in vivo efficacy studies, rodent models of cancer or inflammation are used. Diallyl disulfide is administered orally or intraperitoneally at doses ranging from 1 to 100 mg/kg, typically once or twice daily. Tumor growth is monitored, and inflammatory markers are measured in blood and tissues. Antioxidant enzyme activities are measured in tissue homogenates. All animal procedures should be conducted in accordance with institutional guidelines.
ADME/Pharmacokinetics
Metabolism / Metabolites
Dearly allyl disulfide known human metabolites include (2S)-2-amino-5-[[(2R)-1-(carboxymethylamino)-1-oxo-3-[(E)-3-(prop-2-enyldithio)prop-1-enyl]thioprop-2-yl]amino]-5-oxovalerate and DADSO.
The pharmacokinetic properties of diallyl disulfide have been partially characterized. The compound has a molecular weight of 146.27 and is a lipophilic organosulfur compound. Following oral or intraperitoneal administration, it shows moderate absorption with a Tmax of 1-3 hours. Plasma half-life is estimated to be 2-4 hours. The compound distributes into tissues including liver, kidney, and lung. Metabolism is primarily hepatic, with oxidation and conjugation as major pathways. The compound is eliminated primarily via biliary and renal excretion. Further PK studies are needed for comprehensive characterization.
Toxicity/Toxicokinetics
Preclinical toxicology studies of diallyl disulfide are limited. In acute toxicity studies in rodents, the compound is tolerated at doses up to 100 mg/kg with no significant adverse effects. In repeat-dose studies, the no-observed-adverse-effect level (NOAEL) has not been definitively established. No significant organ toxicity or hematological abnormalities are reported at pharmacological doses. The compound shows no evidence of genotoxicity in standard in vitro assays. The safety profile supports further preclinical development, though comprehensive toxicology studies are needed to fully assess the compound's safety for potential clinical advancement. The compound is for research use only and is not approved for human use.
References

[1]. Garlic and garlic-derived compounds inhibit human squalene monooxygenase. J Nutr. 2001;131(6):1662-1667.

[2]. Diallyl disulfide inhibits the proliferation of HT-29 human colon cancer cells by inducing differentially expressed genes. Mol Med Rep. 2011 May-Jun;4(3):553-9.

[3]. Acute Diallyl Disulfide Administration Prevents and Reveres Lipopolysaccharide-Induced Depression-Like Behaviors in Mice via Regulating Neuroinflammation and Oxido-Nitrosative Stress. Inflammation. 2021 Aug;44(4):1381-1395.

[4]. Diallyl disulfide prevents cigarette smoke-induced emphysema in mice. Pulm Pharmacol Ther. 2021 Aug:69:102053.

Additional Infomation
Diallyl disulfide is an organic disulfide, wherein the organic group is allyl. It has been isolated from garlic and Allium species. It possesses dual activities against tumors, fungi, and plant metabolism. It has been reported that diallyl disulfide is found in allium ursinum, leek (Allium ampeloprasum), and several other organisms with relevant data.
Diallyl disulfide is a bioactive garlic-derived organosulfur compound with antioxidant, anti-inflammatory, antimicrobial, and anticancer effects. It activates Nrf2 and inhibits NF-κB. The compound is not approved for human use and has not entered clinical trials. It is available as a high-purity research reagent for laboratory use only. Its multi-targeted activity makes it a valuable tool for studying oxidative stress, inflammation, and cancer biology.
These protocols are for reference only. InvivoChem does not independently validate these methods.
Physicochemical Properties
Molecular Formula
C6H10S2
Molecular Weight
146.2736
Exact Mass
146.022
CAS #
2179-57-9
PubChem CID
16590
Appearance
Colorless to light yellow liquid
Density
1.0±0.1 g/cm3
Boiling Point
185.0±0.0 °C at 760 mmHg
Flash Point
42.4±25.8 °C
Vapour Pressure
1.0±0.3 mmHg at 25°C
Index of Refraction
1.534
LogP
3.26
Hydrogen Bond Donor Count
0
Hydrogen Bond Acceptor Count
2
Rotatable Bond Count
5
Heavy Atom Count
8
Complexity
58.9
Defined Atom Stereocenter Count
0
SMILES
S(C([H])([H])C([H])=C([H])[H])SC([H])([H])C([H])=C([H])[H]
InChi Key
PFRGXCVKLLPLIP-UHFFFAOYSA-N
InChi Code
InChI=1S/C6H10S2/c1-3-5-7-8-6-4-2/h3-4H,1-2,5-6H2
Chemical Name
3-(prop-2-enyldisulfanyl)prop-1-ene
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: Please store this product in a sealed and protected environment (e.g. under nitrogen), avoid exposure to moisture.
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 : ~100 mg/mL (~683.67 mM)
Solubility (In Vivo)
Solubility in Formulation 1: ≥ 2.5 mg/mL (17.09 mM) (saturation unknown) in 10% DMSO + 40% PEG300 + 5% Tween80 + 45% Saline (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 can add 100 μL of 25.0 mg/mL clear DMSO stock solution to 400 μL PEG300 and mix evenly; then add 50 μL Tween-80 to the above solution and mix evenly; then add 450 μL normal saline to adjust the volume 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 (17.09 mM) (saturation unknown) 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.
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 to 900 μL of 20% SBE-β-CD physiological saline solution and mix evenly.
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.

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Solubility in Formulation 3: ≥ 2.5 mg/mL (17.09 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 can add 100 μL of 25.0 mg/mL clear DMSO stock solution to 900 μL of corn oil and mix evenly.


 (Please use freshly prepared in vivo formulations for optimal results.)
Preparing Stock Solutions 1 mg 5 mg 10 mg
1 mM 6.8367 mL 34.1834 mL 68.3667 mL
5 mM 1.3673 mL 6.8367 mL 13.6733 mL
10 mM 0.6837 mL 3.4183 mL 6.8367 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.

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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?
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  • The answer of 17.513 mg appears in the Mass box. In a similar way, you may calculate the volume and concentration.

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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:
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  • The answer of 62.5 μL (0.1 ml) appears in the Volume (Start) box
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Note: Chemical formula is case sensitive: C12H18N3O4  c12h18n3o4
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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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