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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HCID 65521Generated: October 30, 2026

Pentamethylene bismethanethiosulfonate

Preparation 335 · 1,5-bis(methylsulfonylsulfanyl)pentane · [5-(mesylthio)pentylthio]sulfonylmethane · MTS-5-MTS [1,5-Pentanediyl bismethanethiosulfonate · Methanesulfonothioic Acid S,S'-1,5-Pentanediyl Ester · Methanesulfonothioic acid, S1,S1'-1,5-pentanediyl ester

https://huagongshe.com/en/chemical/65521

Pentamethylene bismethanethiosulfonate molecular structure

Identifiers & Physical Properties

CAS No.56-00-8
Molecular formulaC7H16O4S4
Average molar mass292.5 g/mol
Monoisotopic mass291.99314368 g/mol
SMILESCS(=O)(=O)SCCCCCSS(C)(=O)=O
InChIKeyPFGFBHYQVVHELE-UHFFFAOYSA-N
PubChem CID65521
DTXSIDDTXSID20204563

Chemical & Physical Properties

XLogP0.9
Topological polar surface area136
Hydrogen bond donors0
Hydrogen bond acceptors6
Rotatable bonds8
Heavy atoms15
Formal charge0
Complexity309
Melting point71-72°C
Storage conditions-20°C Freezer
SolubilityDMSO (Soluble), Ethyl Acetate (Slightly), Methanol (Slightly)
Physical stateSolid
ColorWhite to Off-White
StabilityMoisture, Temperature Sensitive
CAS DataBase Reference56-00-8

Applications & Uses

Uses

A sulfhydryl cross-linking reagent.