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Maleimido-tri(ethylene glycol)-propionic acid

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Category	Mal-PEGn-acid
Catalog NO.	BPG-3581
Product Name	Maleimido-tri(ethylene glycol)-propionic acid
CAS	518044-40-1
Molecular Formula	C13H19NO7
Molecular Weight	301.29

Maleimido-tri(ethylene glycol)-propionic acid

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Description	Maleimido-tri(ethylene glycol)-propionic acid is a cleavable ADC linker used in the synthesis of antibody-drug conjugates (ADCs). Maleimido-tri(ethylene glycol)-propionic acid is used for the preparation of neolymphostin-based ADC precursors for site-specific cysteine mutant trastuzumab-A114C conjugation.
Synonyms	Mal-PEG3-acid; Mal-PEG3-CH2CH2COOH; Mal-PEG3-COOH; Maleimide-PEG3-CH2CH2COOH; Mal-PEG3-propionic acid; 3-(2-(2-(2-(2,5-Dioxo-2,5-dihydro-1H-pyrrol-1-yl)ethoxy)ethoxy)ethoxy)propanoic acid; 3-(2,5-Dioxo-2,5-dihydro-1H-pyrrol-1-yl)-5-hydroxy-2,2-bis(2-hydroxyethyl)pentanoic acid; Propanoic acid, 3-[2-[2-[2-(2,5-dihydro-2,5-dioxo-1H-pyrrol-1-yl)ethoxy]ethoxy]ethoxy]-
IUPAC Name	3-[2-[2-[2-(2,5-dioxopyrrol-1-yl)ethoxy]ethoxy]ethoxy]propanoic acid
Canonical SMILES	C1=CC(=O)N(C1=O)C(CCO)C(CCO)(CCO)C(=O)O
InChI	InChI=1S/C13H19NO7/c15-6-3-9(14-10(18)1-2-11(14)19)13(4-7-16,5-8-17)12(20)21/h1-2,9,15-17H,3-8H2,(H,20,21)
InChIKey	AMOPUHDFPSFVHL-UHFFFAOYSA-N
Boiling Point	491.4±40.0°C (Predicted)
Flash Point	337.3±31.5 °C
Purity	≥95%
Density	1.293±0.06 g/cm3 (Predicted)
Solubility	Soluble in DMSO (10 mm)
Related CAS	357277-61-3 (polymer) 2422928-26-3 (polymer)
Appearance	Pale Yellow Oily Matter
Shelf Life	0-4°C for short term (days to weeks), or -20°C for long term (months).
Storage	Store at 2-8°C
Vapor Pressure	0.0±4.2 mmHg at 25°C
LogP	-1.29

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