Methoxypolyethylene glycol thiol

Product Information

Molecular Formula:
(C2H4O)nC3H8OS
Molecular Weight:
576.7
Description
Methoxypolyethylene glycol thiol is a PEG derivative that is used for PEGylation. The thiol group reacts with maleimide, OPSS, vinylsulfone and transition metal surfaces to form conjugates.
Synonyms
Poly(oxy-1,2-ethanediyl), α-(2-mercaptoethyl)-ω-methoxy-; α-Methyl-ω-(2-mercaptoethoxy)poly(oxy-1,2-ethanediyl); mPEG-SH; Polyethylene glycol 2-mercaptoethyl methyl ether; MeO-PEG-SH; Thiopoly(ethylene glycol) monomethyl ether
IUPAC Name
2-[2-[2-[2-[2-[2-[2-[2-[2-[2-[2-(2-methoxyethoxy)ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethanethiol
Canonical SMILES
COCCOCCOCCOCCOCCOCCOCCOCCOCCOCCOCCOCCS
InChI
InChI=1S/C25H52O12S/c1-26-2-3-27-4-5-28-6-7-29-8-9-30-10-11-31-12-13-32-14-15-33-16-17-34-18-19-35-20-21-36-22-23-37-24-25-38/h38H,2-25H2,1H3
InChI Key
MXDXXEVQFMVAIA-UHFFFAOYSA-N
Purity
>95%
Appearance
Colorless Liquid
Storage
Store at -20°C

Safety Information

Hazards
H410-H315-H319-H335-H372
Precautionary Statement
P302+P352-P305+P351+P338-P273
Safety Class
9
GHS Pictogram
GHS07; GHS08; GHS09
Signal Word
Danger

Computed Properties

XLogP3
-1.3
Hydrogen Bond Donor Count
1
Hydrogen Bond Acceptor Count
13
Rotatable Bond Count
35
Exact Mass
576.31794826
Monoisotopic Mass
576.31794826
Topological Polar Surface Area
112
Heavy Atom Count
38
Formal Charge
0
Complexity
413
Isotope Atom Count
0
Defined Atom Stereocenter Count
0
Undefined Atom Stereocenter Count
0
Defined Bond Stereocenter Count
0
Undefined Bond Stereocenter Count
0
Covalently-Bonded Unit Count
1
Compound Is Canonicalized
Yes
The molarity calculator equation

Mass (g) = Concentration (mol/L) × Volume (L) × Molecular Weight (g/mol)

The dilution calculator equation

Concentration (start) × Volume (start) = Concentration (final) × Volume (final)

This equation is commonly abbreviated as: C1V1 = C2V2

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