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Mal-PEG1-NHS ester

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Category Small-molecule Heterobifunctional PEG
Catalog NO. BPG-1933
Product Name Mal-PEG1-NHS ester
CAS 1807518-72-4
Molecular Formula C13H14N2O7
Molecular Weight 310.26
Mal-PEG1-NHS ester
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Product Information

Description Mal-PEG1-NHS ester is a cleavable and PEG-based ADC linker used in the synthesis of antibody-drug conjugates (ADCs).
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]-
IUPAC Name (2,5-dioxopyrrolidin-1-yl) 3-[2-(2,5-dioxopyrrol-1-yl)ethoxy]propanoate
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
Boiling Point 488.4±55.0°C (Predicted)
Flash Point 249.2±31.5 °C
Purity ≥95%
Density 1.48±0.1 g/cm3 (Predicted)
Solubility Soluble in DCM, DMSO
Appearance White Solid
Shelf Life -20℃ 3 years powder; -80℃ 2 years in solvent
Storage Store at 2-8°C
Vapor Pressure 0.0±1.2 mmHg at 25°C
LogP -1.89


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