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Propan-2-yl 2-sulfanylacetate

Alias: Isopropyl thioglycolate
Propyl-2-yl-2-thioacetic acid ester (isopropyl thioglycolate) can be used as a dye stabilizer, polymer flame retardant additive, and metal cleaning agent component.
Propan-2-yl 2-sulfanylacetate
Propan-2-yl 2-sulfanylacetate Chemical Structure CAS No.: 7383-61-1
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
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Product Description
Propan-2-yl 2-sulfanylacetate (Isopropyl thioglycolate) can be used as a stabilizer for dyes, an additive for polymer flame retardants, and a component in metal cleaning agents, etc.
Propan-2-yl 2-sulfanylacetate (Isopropyl 2-mercaptoacetate, CAS 7383-61-1) is an organic compound with the molecular formula C5H10O2S, and a molecular weight of 134.20 g/mol. It is a thiol-containing ester. This compound is used as a chemical intermediate in organic synthesis, particularly for the introduction of the mercaptoacetate group into molecules. It is also used as a protecting group for thiols in peptide chemistry. In research, it is a building block for the synthesis of pharmaceuticals, agrochemicals, and functional materials. It is not a drug itself.
Biological Activity I Assay Protocols (From Reference)
Targets
Not applicable. Propan-2-yl 2-sulfanylacetate is a synthetic intermediate and has no specific biological target. It is a thiol compound that can serve as a substrate for esterases or as a ligand for metal ions. In peptide synthesis, it is used to introduce a masked thiol group that can be deprotected later. It does not bind to any specific receptor or enzyme for therapeutic benefit. Its utility is in synthetic chemistry, not pharmacology.
ln Vitro
In vitro, this compound is not used for biological activity studies. It is a chemical reagent. In an enzyme assay, it can be used as a substrate for esterases or lipases. For example, it can be incubated with porcine liver esterase (1 U/mL) in PBS (pH 7.4) at 37degC for 30 min, and the release of isopropanol can be quantified by GC. It is not used in cell-based assays for drug discovery. It is a synthetic building block.
ln Vivo
In vivo, this compound is not a drug and is not administered for therapeutic purposes. It may be used in a limited capacity to study the metabolism of thiol esters. It is not used in efficacy models. It is a chemical reagent.
Enzyme Assay
General protocol for in vitro analytical use: For GC analysis, prepare a 1 mg/mL stock solution in ethyl acetate. Prepare calibration standards at 10, 50, 100, 250, 500 ug/mL. Use a DB-5 column (30 m × 0.25 mm) with FID detection. Oven program: 50degC for 1 min, ramp 10degC/min to 200degC. The compound elutes at ~6 min. For HPLC, use a C18 column with mobile phase acetonitrile:water (50:50) and UV detection at 210 nm. Store the compound at 4degC, under inert gas (nitrogen) to prevent oxidation of the thiol.
Cell Assay
General protocol for in vitro cell-based experiments: Not applicable for biological activity. For a stability test, incubate the compound in cell culture medium (DMEM + 10% FBS) at 37degC for 24 h. Analyze by HPLC to measure degradation. The compound is likely to be hydrolyzed by esterases in the serum.
Animal Protocol
General protocol for in vivo animal experiments: Not applicable. The compound is not used in animal models for efficacy.
ADME/Pharmacokinetics
General pharmacokinetic properties: This compound (MW 134.20) is a small, volatile liquid. It is not a drug, so no PK data are available. It is soluble in organic solvents. For storage, it should be kept at 4degC, in a sealed container under inert atmosphere (nitrogen or argon) to prevent dimerization. It is stable for up to 1 year under these conditions.
Toxicity/Toxicokinetics
General toxicity profile: This compound is a thiol and may have a strong odor. It is a skin and eye irritant. It is classified as a flammable liquid. Standard safety precautions (gloves, lab coat, safety glasses, fume hood) should be used. Avoid inhalation of vapors. The LD50 in rats is >2000 mg/kg. For research use only.
References

[1]. Burnett CL, Bergfeld WF, Belsito DV, Klaassen CD, Marks JG Jr, Shank RC, Slaga TJ, Snyder PW; Cosmetic Ingredient Review Expert Panel; Andersen FA. Final amended report on the safety assessment of Ammonium Thioglycolate, Butyl Thioglycolate, Calcium Thioglycolate, Ethanolamine Thioglycolate, Ethyl Thioglycolate, Glyceryl Thioglycolate, Isooctyl Thioglycolate, Isopropyl Thioglycolate, Magnesium Thioglycolate, Methyl Thioglycolate, Potassium Thioglycolate, Sodium Thioglycolate, and Thioglycolic Acid. Int J Toxicol. 2009 Jul-Aug;28(4 Suppl):68-133.

Additional Infomation
Propan-2-yl 2-sulfanylacetate is also known as Isopropyl 2-mercaptoacetate or Isopropyl thioglycolate. It is used as a chemical intermediate in the synthesis of various active pharmaceutical ingredients and agrochemicals. Its molecular formula is C5H10O2S. The product is for research and synthetic use only, not for human consumption.
These protocols are for reference only. InvivoChem does not independently validate these methods.
Physicochemical Properties
Molecular Formula
C5H10O2S
Molecular Weight
134.20
Exact Mass
134.04
CAS #
7383-61-1
PubChem CID
81864
Appearance
Typically exists as solids at room temperature
Hydrogen Bond Donor Count
1
Rotatable Bond Count
3
Heavy Atom Count
8
Complexity
80.5
Defined Atom Stereocenter Count
0
SMILES
CC(C)OC(=O)CS
InChi Key
KLHDJBCAYIXOTA-UHFFFAOYSA-N
InChi Code
InChI=1S/C5H10O2S/c1-4(2)7-5(6)3-8/h4,8H,3H2,1-2H3
Chemical Name
propan-2-yl 2-sulfanylacetate
Synonyms
Isopropyl thioglycolate
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)
May dissolve in DMSO (in most cases), if not, try other solvents such as H2O, Ethanol, or DMF with a minute amount of products to avoid loss of samples
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 7.4516 mL 37.2578 mL 74.5156 mL
5 mM 1.4903 mL 7.4516 mL 14.9031 mL
10 mM 0.7452 mL 3.7258 mL 7.4516 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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