Mal-PEG2-NHS ester

Name: Mal-PEG2-NHS ester
Brand: BOC Sciences
Price: 629 USD
Availability: MadeToOrder

CAS No.: 1433997-01-3

Cat No.: BPG-3587

Purity: ≥98%

4.5

Mal-PEG2-NHS ester is a PEG-containing maleimide conjugation reagent designed for thiol-reactive coupling. The maleimide group provides a selective handle for sulfhydryl-containing molecules, while the opposite terminus and spacer determine how the reagent can be connected to a payload, linker intermediate, or additional functional module. The molecule incorporates peg2 spacer and provides nhs/succinimidyl ester (amine-reactive) for amine-bearing payloads/handles; orientation can be reversed depending adc strategy on the opposite side. It can be used in stepwise conjugation workflows that combine thiol-maleimide coupling with an orthogonal second reaction, with reaction order selected to suit the stability and accessibility of each functional group.

Category	Mal-PEGn-NHS ester
Molecular Formula	C15H18N2O8
Molecular Weight	354.31
Appearance	Pale Yellow or Colorless Oily Matter
Shipping	Room temperature
Storage	Store at -20°C under inert atmosphere

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Structure of 1433997-01-3

Ordering Information

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Catalog Number	Name	Size / Price	Stock	Quantity
BPG-3587	Mal-PEG2-NHS ester		In stock

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Specification

Synonyms	2,5-Dioxopyrrolidin-1-yl 3-(2-(2-(2,5-dioxo-2H-pyrrol-1(5H)-yl)ethoxy)ethoxy)propanoate; 2,5-Dioxopyrrolidin-1-yl 3-(2-(2-(2,5-dioxo-2,5-dihydro-1H-pyrrol-1-yl)ethoxy)ethoxy)propanoate; Propanoic acid, 3-[2-[2-(2,5-dihydro-2,5-dioxo-1H-pyrrol-1-yl)ethoxy]ethoxy]-, 2,5-dioxo-1-pyrrolidinyl ester; 1-[2-(2-{3-[(2,5-Dioxo-1-pyrrolidinyl)oxy]-3-oxopropoxy}ethoxy)ethyl]-1H-pyrrole-2,5-dione; 2,5-Dioxo-1-pyrrolidinyl 3-[2-[2-(2,5-dihydro-2,5-dioxo-1H-pyrrol-1-yl)ethoxy]ethoxy]propanoate
IUPACName	(2,5-dioxopyrrolidin-1-yl) 3-[2-[2-(2,5-dioxopyrrol-1-yl)ethoxy]ethoxy]propanoate
CanonicalSMILES	C1CC(=O)N(C1=O)OC(=O)CCOCCOCCN2C(=O)C=CC2=O
InChI	InChI=1S/C15H18N2O8/c18-11-1-2-12(19)16(11)6-8-24-10-9-23-7-5-15(22)25-17-13(20)3-4-14(17)21/h1-2H,3-10H2
InChIKey	KMEJZQCDHANYJV-UHFFFAOYSA-N
BoilingPoint	524.3±60.0°C (Predicted)
Purity	≥98%
Density	1.42±0.1 g/cm3 (Predicted)
Solubility	Soluble in Chloroform (Slightly), DCM, Methanol (Slightly)
RelatedCAS	357277-60-2 (polymer) 1303508-68-0 (polymer) 1520853-90-0 (polymer) 1802486-72-1 (polymer)
Pictogram	Irritant
Signal	Warning
PrecautionaryStatementCodes	P261, P264, P264+P265, P271, P280, P302+P352, P304+P340, P305+P351+P338, P319, P321, P332+P317, P337+P317, P362+P364, P403+P233, P405, and P501