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Sigma-Aldrich

O-(2-Mercaptoethyl)-O′-methyl-hexa(ethylene glycol)

≥95% (oligomer purity)

Synonym(s):

mPEG thiol

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About This Item

Empirical Formula (Hill Notation):
C15H32O7S
CAS Number:
651042-82-9
Molecular Weight:
356.48
MDL number:
MFCD08274612
UNSPSC Code:
12352200
PubChem Substance ID:
24885119
NACRES:
NA.22

Assay

≥95% (oligomer purity)

mol wt

PEG average Mn 350

Ω-end

thiol

α-end

methoxy

storage temp.

−20°C

SMILES string

COCCOCCOCCOCCOCCOCCOCCS

InChI

1S/C15H32O7S/c1-16-2-3-17-4-5-18-6-7-19-8-9-20-10-11-21-12-13-22-14-15-23/h23H,2-15H2,1H3

InChI key

PVSKDHZQTUFAEZ-UHFFFAOYSA-N

General description

O-(2-Mercaptoethyl)-O′-methyl-hexa(ethylene glycol), also known as mPEG thiol, is widely used in the synthesis of hydrogels and surface modification of nanoparticles.

Application

O-(2-Mercaptoethyl)-O′-methyl-hexa(ethylene glycol) can be used :
  • in PEGylation reaction to form a self-assembled monolayer (SAM) on gold electrodes
  • as a cross linking reagent in the preparation of alginate-based hydrogel system via photoinitiated thiol-ene reaction

Storage Class Code

10 - Combustible liquids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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Certificates of Analysis (COA)

Lot/Batch Number
BCCG7289
BCCC9083
BCBW4395
BCBR3605V
BCBM7267V

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