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1-Thioglycerol (alpha-Thioglycerol)

1-Thioglycerol, extensively used as a reducing agent in various biochemical and biophysical applications, especially in protein chemistry and molecular biology, where it protects proteins from oxidation and denaturation and can reduce disulfide bonds to thiols base, which can then be modified or analyzed.
1-Thioglycerol (alpha-Thioglycerol)
1-Thioglycerol (alpha-Thioglycerol) Chemical Structure CAS No.: 96-27-5
Product category: Biochemical Assay Reagents
This product is for research use only, not for human use. We do not sell to patients.
Size Price Stock Qty
50g
Other Sizes
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Product Description
1-Thioglycerol, extensively used as a reducing agent in various biochemical and biophysical applications, especially in protein chemistry and molecular biology, where it protects proteins from oxidation and denaturation and can reduce disulfide bonds to thiols base, which can then be modified or analyzed. Additionally, 1-Thioglycerol has been studied for potential medical applications such as as an inhibitor (blocker/antagonist) of cystic fibrosis, where it may help improve lung cell function. It has also been studied for Used in the preparation of metal nanoparticles and as a stabilizer for certain pharmaceutical preparations.
1-Thioglycerol (α-Thioglycerol, CAS 96-27-5) is a thiol-containing compound with molecular formula C₃H₈O₂S and molecular weight 108.16 g/mol. It appears as a colorless clear liquid with a boiling point of 118-139°C and a density of 1.25 g/mL. The compound is a biochemical reagent used in research and organic synthesis.
Biological Activity I Assay Protocols (From Reference)
Targets
1-Thioglycerol does not have a defined pharmacological target. It is a thiol-containing molecule essential for studying redox reactions, protein thiolation, and as a stabilizer in various biochemical assays. Its mechanism of action involves the thiol group (-SH) participating in redox reactions, forming disulfide bonds, and protecting proteins and enzymes from oxidative damage. The compound is used as a reducing agent and antioxidant in biochemical applications.
ln Vitro
1-Thioglycerol is a biochemical reagent that can be utilized in research pertaining to life sciences as an organic compound or biological material.
In vitro, 1-thioglycerol is used as a reducing agent and antioxidant in biochemical assays. It is used to protect proteins and enzymes from oxidative damage by maintaining a reducing environment. The compound is also used in studies of redox reactions and protein thiolation. It is used as a stabilizer in various biochemical assays and as a reagent in organic synthesis.
ln Vivo
In vivo data for 1-thioglycerol as a therapeutic agent are not available. The compound is primarily used as a biochemical reagent and reducing agent for in vitro applications. It is not intended for in vivo administration and has no established in vivo pharmacokinetic or pharmacodynamic profile. The compound is not designed for therapeutic use.
Enzyme Assay
For in vitro biochemical assays, 1-thioglycerol is used as a reducing agent to maintain a reducing environment. Standard protocols involve adding the compound to assay buffers at concentrations typically ranging from 1-10 mM. The compound's ability to reduce disulfide bonds and protect proteins from oxidation is assessed using standard biochemical assays. It is also used as a stabilizer in enzyme preparations and protein solutions.
Cell Assay
For in vitro cell-based experiments, 1-thioglycerol is not typically used directly in cell culture as a test compound. It is a biochemical reagent used as a reducing agent and stabilizer in cell lysis buffers and protein extraction solutions. The compound may be used in the preparation of samples for downstream analyses, but it is not added directly to cell cultures as a test compound.
Animal Protocol
In vivo animal studies for 1-thioglycerol are not applicable, as the compound is a biochemical reagent used for in vitro applications. No animal studies have been conducted for this compound as a therapeutic agent, and it is not intended for diagnostic or therapeutic use in animals or humans.
ADME/Pharmacokinetics
Pharmacokinetic data for 1-thioglycerol are not available, as the compound is not a drug and is not administered to living organisms. The compound has a molecular weight of 108.16 g/mol. As a small, polar thiol, it would be expected to have rapid metabolism and excretion if administered systemically. The compound is primarily used as a reagent rather than as a drug candidate.
Toxicity/Toxicokinetics
1-Thioglycerol is a research chemical and should be handled with appropriate laboratory safety precautions. As a thiol, it has a characteristic odor and may cause skin and eye irritation. The compound is hygroscopic and should be stored at 2-8°C under an inert atmosphere. It is for research use only and not for human therapeutic or diagnostic applications. Specific LD₅₀ values and acute toxicity classifications are not available.
Additional Infomation
Monothioglycerol is a thiol formed when a primary hydroxyl group in the glycerol molecule is replaced by a thiol group. It acts as a wound-healing agent and a reducing agent. It is a thiol and a member of the propane-1,2-diol class of compounds.
1-Thioglycerol (α-Thioglycerol, CAS 96-27-5) is primarily a research-grade biochemical reagent, not an FDA-approved pharmaceutical drug. Its primary applications are as a reducing agent and antioxidant in biochemical assays, for studying redox reactions and protein thiolation, and as a stabilizer in various biochemical applications. No clinical trials or approved therapeutic indications exist for this compound.
These protocols are for reference only. InvivoChem does not independently validate these methods.
Physicochemical Properties
Molecular Formula
C3H8O2S
Molecular Weight
108.16
Exact Mass
108.024
CAS #
96-27-5
PubChem CID
7291
Appearance
Colorless to light yellow liquid
Density
1.2±0.1 g/cm3
Boiling Point
247.0±0.0 °C at 760 mmHg
Flash Point
126.3±24.6 °C
Vapour Pressure
0.0±1.1 mmHg at 25°C
Index of Refraction
1.526
LogP
-0.92
Hydrogen Bond Donor Count
3
Hydrogen Bond Acceptor Count
3
Rotatable Bond Count
2
Heavy Atom Count
6
Complexity
32
Defined Atom Stereocenter Count
0
SMILES
OCC(CS)O
InChi Key
PJUIMOJAAPLTRJ-UHFFFAOYSA-N
InChi Code
InChI=1S/C3H8O2S/c4-1-3(5)2-6/h3-6H,1-2H2
Chemical Name
3-sulfanylpropane-1,2-diol
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 (924.56 mM)
Solubility (In Vivo)
Solubility in Formulation 1: ≥ 2.5 mg/mL (23.11 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 9.2456 mL 46.2278 mL 92.4556 mL
5 mM 1.8491 mL 9.2456 mL 18.4911 mL
10 mM 0.9246 mL 4.6228 mL 9.2456 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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