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672572

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

Quality Level

100

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

Related Categories

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

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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  1. Which document(s) contains shelf-life or expiration date information for a given product?

    If available for a given product, the recommended re-test date or the expiration date can be found on the Certificate of Analysis.

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  5. What is the density of Product 672572, O-(2-Mercaptoethyl)-O´-methyl-hexa(ethylene glycol)?

    The density of Product 672572 is 1.065 g/mL. The temperature for the analysis was not reported, but can be assumed to be room temperature.

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Yun-Sheng Chen et al.
Optics express, 18(9), 8867-8878 (2010-07-01)
Photothermal stability and, therefore, consistency of both optical absorption and photoacoustic response of the plasmonic nanoabsorbers is critical for successful photoacoustic image-guided photothermal therapy. In this study, silica-coated gold nanorods were developed as a multifunctional molecular imaging and therapeutic agent
Characterization of a self-assembled monolayer of O-(2-Mercaptoethyl)-O?-methyl-hexa (ethylene glycol)(EG7-SAM) on gold electrodes
M Chavez
Journal of Electroanalytical Chemistry, 880, 114892-114892 (2021)
Thiol-ene alginate hydrogels as versatile bioinks for bioprinting
HW Ooi
Biomacromolecules, 19, 3390-3400 (2018)
Lu Zhou et al.
Talanta, 197, 444-450 (2019-02-18)
The detection of alpha-fetoprotein (AFP) is of great importance for hepatocellular carcinoma (HCC) diagnosis, but it needs to be further improved because of poor sensitivity and complicated operating steps. In this paper, a simple and sensitive homogeneous apatasensor for AFP

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