Mal-PEG1-NHS ester

Name: Mal-PEG1-NHS ester
Brand: BOC Sciences
Rating: 5 (1 reviews)

CAS No.: 1807518-72-4

Cat No.: BPG-1933

Purity: ≥95%

4.5

Mal-PEG1-NHS ester is a heterobifunctional linker with maleimide and NHS ester groups, enabling selective thiol-to-amine conjugation in ADC synthesis. Its short PEG1 spacer increases aqueous solubility and enhances bioconjugation efficiency for targeted drug delivery.

Category	Mal-PEGn-NHS ester
Molecular Formula	C13H14N2O7
Molecular Weight	310.26
Appearance	White Solid
Shipping	Room temperature
Storage	Store at 2-8°C

Structure of 1807518-72-4

Ordering Information

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Specification
Application

Synonyms	Mal-PEG1-SPA; Maleimide-PEG1-Succinimidyl Propionate; 2,5-Dioxopyrrolidin-1-yl 3-(2-(2,5-dioxo-2,5-dihydro-1H-pyrrol-1-yl)ethoxy)propanoate; Propanoic acid, 3-[2-(2,5-dihydro-2,5-dioxo-1H-pyrrol-1-yl)ethoxy]-, 2,5-dioxo-1-pyrrolidinyl ester; 1-(2-{3-[(2,5-Dioxo-1-pyrrolidinyl)oxy]-3-oxopropoxy}ethyl)-1H-pyrrole-2,5-dione; 1H-Pyrrole-2,5-dione, 1-[2-[3-[(2,5-dioxo-1-pyrrolidinyl)oxy]-3-oxopropoxy]ethyl]-
IUPACName	(2,5-dioxopyrrolidin-1-yl) 3-[2-(2,5-dioxopyrrol-1-yl)ethoxy]propanoate
CanonicalSMILES	C1CC(=O)N(C1=O)OC(=O)CCOCCN2C(=O)C=CC2=O
InChI	InChI=1S/C13H14N2O7/c16-9-1-2-10(17)14(9)6-8-21-7-5-13(20)22-15-11(18)3-4-12(15)19/h1-2H,3-8H2
InChIKey	AMRJPIJPLBUEHO-UHFFFAOYSA-N
BoilingPoint	488.4±55.0°C (Predicted)
FlashPoint	249.2±31.5 °C
Purity	≥95%
Density	1.48±0.1 g/cm3 (Predicted)
Solubility	Soluble in DCM, DMSO
RelatedCAS	357277-60-2 (polymer) 1303508-68-0 (polymer) 1520853-90-0 (polymer) 1802486-72-1 (polymer)
ShelfLife	-20°C 3 years powder; -80°C 2 years in solvent
VaporPressure	0.0±1.2 mmHg at 25°C
LogP	-1.89