Sodium (2-sulfonatoethyl)methanethiosulfonate

Base Information

• Chemical Name: Sodium (2-sulfonatoethyl)methanethiosulfonate
• CAS No.: 184644-83-5
• Molecular Formula: C3H8 O5 S3 . Na
• Molecular Weight: 242.27
• DSSTox Substance ID: DTXSID00393166
• Nikkaji Number: J837.027C
• Mol file: 184644-83-5.mol

Synonyms:Sodium (2-sulfonatoethyl)methanethiosulfonate;184644-83-5;MTSES;MTSES (sodium);sodium;2-methylsulfonylsulfanylethanesulfonate;DTXSID00393166;AKOS030255621;PD018334;FT-0674624;FT-0701114;J-011831;2-(Methylsulfonylthio)ethanesulfonic acid sodium salt

Chemical Property of Sodium (2-sulfonatoethyl)methanethiosulfonate

Chemical Property:

• Melting Point: 200-203°C
• PSA: 143.35000
• LogP: 1.73810
• Storage Temp.: Refrigerator
• Solubility.: DMSO (Slightly), Methanol (Very Slightly), Water (Slightly)
• Hydrogen Bond Donor Count: 0
• Hydrogen Bond Acceptor Count: 6
• Rotatable Bond Count: 4
• Exact Mass: 241.93533112
• Heavy Atom Count: 12
• Complexity: 292

Purity/Quality:

97% ^*data from raw suppliers

Sodium(2-Sulfonatoethyl)methanethiosulfonate ^*data from reagent suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

• Canonical SMILES: CS(=O)(=O)SCCS(=O)(=O)[O-].[Na+]
• Description: Methanethiosulfonates (MTS) are sulfhydryl-reactive compounds that form mixed disulfide linkages and are commonly used to study cysteine residues on proteins. Sodium (2-sulfonatoethyl)methanethiosulfonate (MTSES) is a negatively-charged, membrane impermeant MTS. It is highly reactive with ionized thiolates but not with unionized thiols and, therefore, targets sulfhydryl groups accessible from the aqueous medium. MTSES is used to probe the structural and functional properties of native proteins, particularly those associated with membranes, including channels and transporters. In addition, charged MTS compounds like MTSES are combined with cysteine scanning mutagenesis to study non-cysteine residues.
• Uses: Reacts specifically and rapidly with thiols to form mixed disulfides. Used to probe the structures of the ACh receptor channel of the GABAA receptor channel and of lactose permease. Reacts specifically and rapidly with thiols to form mixed disulfides, Sodium (2-Sulfonatoethyl)methanethiosulfonate can be used to probe the structures of the ACh receptor channel of the GABAA receptor channel and of lactose permease.

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