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910813

Sigma-Aldrich

mPEG24-NHS

Synonym(s):

Methoxypolyethylene glycol acetic acid N-succinimidyl ester, mPEG NHS

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About This Item

Empirical Formula (Hill Notation):
C56H107NO29
CAS Number:
174569-25-6
Molecular Weight:
1258.44
MDL number:
MFCD28385538
UNSPSC Code:
43211915
NACRES:
NA.23

assay

95% (HPLC)

form

solid

mol wt

average Mn 1,250 (by NMR)

reaction suitability

reagent type: chemical modification reagent
reactivity: amine reactive

color

white to off-white

Ω-end

NHS ester

α-end

methoxy

polymer architecture

shape: linear
functionality: monofunctional

storage temp.

−20°C

Related Categories

Application

Polyethylene glycols (PEGs) are FDA approved hydrophilic polymers. They are non-toxic, non-immunogenic and non-antigenic, and are widely used in a variety of biomedical applications such as bioconjugation, drug delivery, surface functionalization, and tissue engineering. PEG-NHS is an amine reactive PEG that can react to amino groups of lysine(s) on proteins or other biologics; reaction occurs at room temperature in <1hr at pH 7-8. Stable linker between PEG and NHS ester.

Storage Class

11 - Combustible Solids

wgk_germany

WGK 3

flash_point_f

>230.0 °F

flash_point_c

> 110 °C

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Recent Progress on Nonviral Delivery Carriers for CRISPR/Cas9 Systems

The CRISPR/Cas9 system has recently emerged as a highly specific, efficient, and versatile gene editing technology that can be utilized to build disease models and correct diseased genes. Safe and effective delivery vectors for the CRISPR/Cas9 system are in critical need to enable clinical development and future applications of CRISPR/Cas9 systems. Professor Yang Liu summarizes recent progress in nonviral nanoparticle approaches for CRISPR/Cas9 delivery.

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