yingweiwo

Benzyl selenocyanate

Cat No.:V34699 Purity: ≥98%
Benzyl selenocyanate is a chemopreventive agent used in the initiation and post-initiation phases of various chemically induced tumors in animal models.
Benzyl selenocyanate
Benzyl selenocyanate Chemical Structure CAS No.: 4671-93-6
Product category: DNA Methyltransferase
This product is for research use only, not for human use. We do not sell to patients.
Size Price Stock Qty
1mg
5mg
10mg
Other Sizes
Official Supplier of:
Alternate Text
Alternate Text
Alternate Text
Alternate Text
Alternate Text
Alternate Text
Alternate Text
Alternate Text
Alternate Text
Alternate Text
Alternate Text
Alternate Text
Alternate Text
Alternate Text
Alternate Text
Alternate Text
Alternate Text
Alternate Text
Alternate Text
Alternate Text
Alternate Text
Alternate Text
Alternate Text
Alternate Text
Alternate Text
Alternate Text
Alternate Text
Alternate Text
Alternate Text
Alternate Text
Alternate Text
Alternate Text

 

  • Business Relationship with 5000+ Clients Globally
  • Major Universities, Research Institutions, Biotech & Pharma
  • Citations by Top Journals: Nature, Cell, Science, etc.
Top Publications Citing lnvivochem Products
Product Description
Benzyl selenocyanate is a chemopreventive agent used in the initiation and post-initiation phases of various chemically induced tumors in animal models. Benzyl selenocyanate is an Mtase inhibitor (antagonist) with IC50 of 8.4 µM.
Benzyl selenocyanate is an organoselenium compound containing a benzyl group bonded to a selenocyanate (-SeCN) functional group. It is a chemopreventive agent that has shown efficacy against various chemically induced tumors in animal models at both the initiation and post-initiation stages. This compound is also an inhibitor of DNA (cytosine-5)-methyltransferase (DNMT) with an IC₅0 of 8.4 microM. Benzyl selenocyanate demonstrates broad-spectrum antimicrobial activity that is notably superior to its sulfur-based analogs (thiocyanate and isothiocyanate), and has been investigated as a lead compound for developing novel antimicrobial drugs, especially against multidrug-resistant pathogens like MRSA.
Biological Activity I Assay Protocols (From Reference)
Targets
IC50: 8.4 µM (Mtase)[1]
Benzyl selenocyanate targets DNA (cytosine-5)-methyltransferase (DNMT), an enzyme responsible for DNA methylation that plays a critical role in gene expression regulation and cancer development. By inhibiting DNMT, the compound can modulate epigenetic modifications, potentially reactivating tumor suppressor genes or silencing oncogenes. The compound may also inhibit protein kinases such as PKA and PKC. Its antimicrobial activity is attributed to its ability to disrupt essential cellular processes in bacteria, with enhanced potency compared to sulfur-containing analogs. The compound's diverse targets contribute to its chemopreventive and antimicrobial properties.
ln Vitro
In a concentration-dependent manner, benzoyl selenocyanate suppresses the activity of DNA (cytosine-5)-methyltransferase (Mtase)[1].
In vitro studies demonstrate that benzyl selenocyanate inhibits DNA methyltransferase activity with an IC₅0 of 8.4 microM. The compound has been evaluated for its ability to inhibit tumor cell proliferation and induce apoptosis in various cancer cell lines. Its chemopreventive activity has been confirmed in cell-based assays where it reduces chemically induced malignant transformation. The compound also exhibits broad-spectrum antimicrobial activity against Gram-positive and Gram-negative bacteria, including drug-resistant strains such as MRSA. Its antimicrobial activity is superior to that of sulfur-containing analogs, highlighting the unique properties conferred by the selenium atom.
ln Vivo
In vivo studies demonstrate that benzyl selenocyanate is an effective chemopreventive agent in animal models of chemically induced tumors. The compound reduces tumor incidence and multiplicity when administered at both the initiation and post-initiation stages of carcinogenesis. Its efficacy has been demonstrated in models of various cancer types, including colon, breast, and lung cancer. The compound's mechanism of action in vivo involves inhibition of DNA methylation, modulation of cell proliferation and apoptosis, and potential antioxidant effects. Its antimicrobial efficacy has also been evaluated in animal models of infection, though these studies are less extensively reported.
Enzyme Assay
In vitro enzyme/receptor binding assays for benzyl selenocyanate focus on its inhibition of DNA methyltransferase (DNMT) activity. The assay typically uses purified recombinant DNMT enzyme and a DNA substrate containing CpG sites. The reaction mixture contains the enzyme, substrate, and the methyl donor S-adenosylmethionine (SAM) in the presence or absence of the compound. After incubation, DNA methylation is quantified using radiolabeled SAM or by ELISA-based detection of methylated DNA. IC₅0 values are calculated from dose-response curves. The compound may also be tested against other enzymes such as PKA and PKC using standard kinase activity assays.
Cell Assay
Cellular assays for benzyl selenocyanate are conducted using cancer cell lines to evaluate its anti-proliferative and chemopreventive effects. Cells are treated with varying concentrations of the compound (typically 1-100 microM) for 24-72 hours. Cell viability is assessed using MTT, CCK-8, or colony formation assays. Apoptosis is evaluated by Annexin V/PI staining, caspase activity assays, or Western blotting for apoptosis-related proteins. DNA methylation changes are assessed using bisulfite sequencing or methylation-specific PCR. Antimicrobial activity is assessed using standard broth microdilution methods to determine minimum inhibitory concentration (MIC) values against bacterial strains.
Animal Protocol
In vivo animal studies with benzyl selenocyanate are primarily conducted in rodent models of chemically induced carcinogenesis. Animals are administered the carcinogen (e.g., azoxymethane for colon cancer, DMBA for breast cancer) and then treated with benzyl selenocyanate via oral gavage or dietary administration at various doses (typically 5-50 mg/kg). Tumor incidence, multiplicity, and size are monitored over the study period. At termination, tissues are collected for histopathological analysis and molecular studies (DNA methylation, gene expression, apoptosis markers). The compound's chemopreventive efficacy is assessed by comparing tumor development in treated versus control groups.
ADME/Pharmacokinetics
Pharmacokinetic properties of benzyl selenocyanate are characteristic of organoselenium compounds. The compound has a molecular weight of 196.11 g/mol and a boiling point of 276.7+/-33.0degC. It is lipophilic with a vapor pressure of 0.0+/-0.6 mmHg at 25degC. Following oral administration, the compound is absorbed and distributed to various tissues, where it may be metabolized to active selenium species. Selenium compounds are known to be incorporated into selenoproteins and excreted via urine and feces. Detailed PK parameters such as half-life, Cmax, and bioavailability are not extensively reported in the literature for this specific compound.
Toxicity/Toxicokinetics
Toxicological data for benzyl selenocyanate are limited, though organoselenium compounds are generally known to have a narrow therapeutic window due to selenium toxicity at high doses. The compound is not intended for human therapeutic use and is supplied for research purposes only. At standard research doses (5-50 mg/kg in animal studies), the compound is generally well-tolerated, with no significant toxicity reported. However, higher doses may cause selenium-related toxicity including gastrointestinal distress, hair loss, nail changes, and neurological symptoms. Standard safety precautions should be followed when handling this compound.
References

[1]. E S Fiala, er al. Inhibition of DNA cytosine methyltransferase by chemopreventive selenium compounds, determined by an improved assay for DNA cytosine methyltransferase and DNA cytosine methylation. Carcinogenesis. 1998 Apr;19(4):597-604.

Additional Infomation
See also: Selenocyanate (note moved to).
Benzyl selenocyanate is a chemopreventive organoselenium compound that inhibits DNA methyltransferase and demonstrates efficacy against chemically induced tumors in animal models. It also exhibits broad-spectrum antimicrobial activity superior to sulfur-containing analogs. The compound is found in selenium-enriched garlic and is used in the preparation of organoselenium derivatives for applications in medicinal chemistry, materials science, and antioxidant or catalytic studies. It is not an FDA-approved drug and has no clinical indications. The compound is available in high purity (≥98%) and is typically stored at room temperature.
These protocols are for reference only. InvivoChem does not independently validate these methods.
Physicochemical Properties
Molecular Formula
C8H7NSE
Molecular Weight
196.11
Exact Mass
196.974
CAS #
4671-93-6
PubChem CID
101450
Appearance
White to off-white solid powder
Boiling Point
276.7ºC at 760 mmHg
Flash Point
121.2ºC
LogP
1.638
Hydrogen Bond Donor Count
0
Hydrogen Bond Acceptor Count
1
Rotatable Bond Count
2
Heavy Atom Count
10
Complexity
129
Defined Atom Stereocenter Count
0
InChi Key
WSKWDMOVMQKKQI-UHFFFAOYSA-N
InChi Code
InChI=1S/C8H7NSe/c9-7-10-6-8-4-2-1-3-5-8/h1-5H,6H2
Chemical Name
benzyl selenocyanate
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, 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 Vivo)
Note: Listed below are some common formulations that may be used to formulate products with low water solubility (e.g. < 1 mg/mL), you may test these formulations using a minute amount of products to avoid loss of samples.

Injection Formulations
(e.g. IP/IV/IM/SC)
Injection Formulation 1: DMSO : Tween 80: Saline = 10 : 5 : 85 (i.e. 100 μL DMSO stock solution 50 μL Tween 80 850 μL Saline)
*Preparation of saline: Dissolve 0.9 g of sodium chloride in 100 mL ddH ₂ O to obtain a clear solution.
Injection Formulation 2: DMSO : PEG300Tween 80 : Saline = 10 : 40 : 5 : 45 (i.e. 100 μL DMSO 400 μLPEG300 50 μL Tween 80 450 μL Saline)
Injection Formulation 3: DMSO : Corn oil = 10 : 90 (i.e. 100 μL DMSO 900 μL Corn oil)
Example: Take the Injection Formulation 3 (DMSO : Corn oil = 10 : 90) as an example, if 1 mL of 2.5 mg/mL working solution is to be prepared, you can take 100 μL 25 mg/mL DMSO stock solution and add to 900 μL corn oil, mix well to obtain a clear or suspension solution (2.5 mg/mL, ready for use in animals).
View More

Injection Formulation 4: DMSO : 20% SBE-β-CD in saline = 10 : 90 [i.e. 100 μL DMSO 900 μL (20% SBE-β-CD in saline)]
*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.
Injection Formulation 5: 2-Hydroxypropyl-β-cyclodextrin : Saline = 50 : 50 (i.e. 500 μL 2-Hydroxypropyl-β-cyclodextrin 500 μL Saline)
Injection Formulation 6: DMSO : PEG300 : castor oil : Saline = 5 : 10 : 20 : 65 (i.e. 50 μL DMSO 100 μLPEG300 200 μL castor oil 650 μL Saline)
Injection Formulation 7: Ethanol : Cremophor : Saline = 10: 10 : 80 (i.e. 100 μL Ethanol 100 μL Cremophor 800 μL Saline)
Injection Formulation 8: Dissolve in Cremophor/Ethanol (50 : 50), then diluted by Saline
Injection Formulation 9: EtOH : Corn oil = 10 : 90 (i.e. 100 μL EtOH 900 μL Corn oil)
Injection Formulation 10: EtOH : PEG300Tween 80 : Saline = 10 : 40 : 5 : 45 (i.e. 100 μL EtOH 400 μLPEG300 50 μL Tween 80 450 μL Saline)


Oral Formulations
Oral Formulation 1: Suspend in 0.5% CMC Na (carboxymethylcellulose sodium)
Oral Formulation 2: Suspend in 0.5% Carboxymethyl cellulose
Example: Take the Oral Formulation 1 (Suspend in 0.5% CMC Na) as an example, if 100 mL of 2.5 mg/mL working solution is to be prepared, you can first prepare 0.5% CMC Na solution by measuring 0.5 g CMC Na and dissolve it in 100 mL ddH2O to obtain a clear solution; then add 250 mg of the product to 100 mL 0.5% CMC Na solution, to make the suspension solution (2.5 mg/mL, ready for use in animals).
View More

Oral Formulation 3: Dissolved in PEG400
Oral Formulation 4: Suspend in 0.2% Carboxymethyl cellulose
Oral Formulation 5: Dissolve in 0.25% Tween 80 and 0.5% Carboxymethyl cellulose
Oral Formulation 6: Mixing with food powders


Note: Please be aware that the above formulations are for reference only. InvivoChem strongly recommends customers to read literature methods/protocols carefully before determining which formulation you should use for in vivo studies, as different compounds have different solubility properties and have to be formulated differently.

 (Please use freshly prepared in vivo formulations for optimal results.)
Preparing Stock Solutions 1 mg 5 mg 10 mg
1 mM 5.0992 mL 25.4959 mL 50.9918 mL
5 mM 1.0198 mL 5.0992 mL 10.1984 mL
10 mM 0.5099 mL 2.5496 mL 5.0992 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:

  • Calculate the Mass of a compound required to prepare a solution of known volume and concentration
  • Calculate the Volume of solution required to dissolve a compound of known mass to a desired concentration
  • Calculate the Concentration of a solution resulting from a known mass of compound in a specific volume
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.
/

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.)
+
+
+

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.

Contact Us