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Guanidine thiocyanate

Cat No.:V47710 Purity: ≥98%
Guanidine thiocyanate is a prosolvent.
Guanidine thiocyanate
Guanidine thiocyanate Chemical Structure CAS No.: 593-84-0
Product category: New3
This product is for research use only, not for human use. We do not sell to patients.
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Other Forms of Guanidine thiocyanate:

  • 1-Methylguanidine hydrochloride
  • 4-Chlorophenylguanidine hydrochloride
  • Polyhexamethyleneguanidine hydrochloride
  • Guanidine hydrochloride
Official Supplier of:
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Top Publications Citing lnvivochem Products
Product Description
Guanidine thiocyanate is a prosolvent. Guanidine thiocyanate can be used as a protein denaturant and nucleic acid protectant to extract DNA and RNA from cells.
Guanidine thiocyanate (CAS 593-84-0) is a versatile chemical compound widely used in molecular biology and biochemical research. It is a chaotropic agent that disrupts cell and organelle membranes, facilitating cell lysis and organelle isolation. It is a strong denaturant used in research for protein degradation in vitro, useful for DNA or RNA isolation and purification. The compound has a molecular formula of CH₅N₃S and a molecular weight of 118.16 g/mol.
Biological Activity I Assay Protocols (From Reference)
Targets
Guanidine thiocyanate does not have a specific pharmacological target. It acts as a chaotropic agent and strong denaturant, disrupting cell membranes and denaturing proteins. It is used as a strong RNase inhibitor, protecting cellular transcripts from degradation during tissue extraction. Guanidine salts have demonstrated antiviral effects against poliovirus and other enteroviruses.
ln Vitro
In vitro, Guanidine thiocyanate is used for RNA isolation and protein solubilization. It is a key reagent used to denature proteins in cell lysis buffer. It is involved in the quantification of mRNA from hepatocytes and acts as a medium for blood sample lysis to maintain nucleic acid integrity. It is routinely used for DNA/RNA extraction protocols to prevent damage by degradative enzymes.
ln Vivo
In vivo, Guanidine salts have demonstrated antiviral effects against poliovirus and other enteroviruses in both in vitro and in vivo studies. Guanidine compounds have been shown to affect neuromuscular transmission by increasing the quantity of acetylcholine released from nerve endings, which enhances synaptic transmission.
Enzyme Assay
Guanidine thiocyanate's chaotropic and denaturing properties can be characterized in biochemical assays. The compound's ability to denature proteins and inhibit RNases is assessed using standard protein and nucleic acid assays. Its effectiveness in RNA isolation is evaluated by measuring RNA yield and integrity.
Cell Assay
In vitro cell experiments with Guanidine thiocyanate typically involve using the compound as a reagent for cell lysis and nucleic acid extraction. Cells are lysed in guanidine thiocyanate-containing buffers, and nucleic acids are isolated for downstream applications such as PCR and sequencing.
Animal Protocol
In vivo animal studies with Guanidine thiocyanate have been conducted to study its antiviral effects against poliovirus and other enteroviruses. The compound is typically administered via injection. Detailed protocols regarding dosage, treatment duration, and specific animal models are not extensively reported.
ADME/Pharmacokinetics
Guanidine thiocyanate is rapidly metabolized and cleared. As a chaotropic agent, it is used as a reagent rather than a therapeutic compound. Pharmacokinetic data specific to guanidine thiocyanate are limited in the available literature.
Toxicity/Toxicokinetics
Guanidine thiocyanate is considered safe for research use at typical concentrations. As a laboratory reagent, it is intended for research use only and not for human consumption. The compound should be handled under standard laboratory safety practices with appropriate precautions.
References

[1]. Use of guanidine thiocyanate-based nucleic acid extraction buffers to inactivate poliovirus in potentially infectious materials. J Virol Methods. 2021 Nov:297:114262.

Additional Infomation
Guanidine thiocyanate (GuSCN) is a chaotropic agent and strong denaturant used in research for protein degradation, DNA/RNA isolation, and purification. It is a key reagent for RNA isolation and can solubilize proteins. It acts as a strong RNase inhibitor, protecting transcripts from degradation.
These protocols are for reference only. InvivoChem does not independently validate these methods.
Physicochemical Properties
Molecular Formula
C2H6N4S
Molecular Weight
118.16
Exact Mass
118.031
CAS #
593-84-0
Related CAS #
Guanidine hydrochloride;50-01-1
PubChem CID
65046
Appearance
White to off-white solid powder
Density
1.103 g/mL at 20 °C
Boiling Point
132.9ºC at 760 mmHg
Melting Point
120-122 °C(lit.)
Flash Point
34.2ºC
Index of Refraction
n20/D 1.482
LogP
0.736
Hydrogen Bond Donor Count
4
Hydrogen Bond Acceptor Count
3
Rotatable Bond Count
0
Heavy Atom Count
7
Complexity
57.6
Defined Atom Stereocenter Count
0
InChi Key
ZJYYHGLJYGJLLN-UHFFFAOYSA-N
InChi Code
InChI=1S/CH5N3.CHNS/c2-1(3)4;2-1-3/h(H5,2,3,4);3H
Chemical Name
guanidine;thiocyanic acid
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)
Solubility Data
Solubility (In Vitro)
DMSO : ~100 mg/mL (~846.31 mM)
H2O : ~100 mg/mL (~846.31 mM)
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).
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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).
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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 8.4631 mL 42.3155 mL 84.6310 mL
5 mM 1.6926 mL 8.4631 mL 16.9262 mL
10 mM 0.8463 mL 4.2316 mL 8.4631 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.
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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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