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Bis-PEG7-NHS ester

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Category	Small-molecule Homobifunctional PEG
Catalog NO.	BPG-2417
Product Name	Bis-PEG7-NHS ester
CAS	1334170-02-3
Molecular Formula	C26H40N2O15
Molecular Weight	620.60

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Description	Bis-PEG7-NHS ester is a non-cleavable 7-unit PEG linker that can be used to synthesize antibody-conjugated drugs (ADCs).
Synonyms	Bis(2,5-dioxopyrrolidin-1-yl) 4,7,10,13,16,19,22-heptaoxapentacosanedioate; NHS-PEG7-NHS; 4,7,10,13,16,19,22-Heptaoxapentacosanedioic acid, 1,25-bis(2,5-dioxo-1-pyrrolidinyl) ester; α,ω-disuccinimidyl hexaethylene glycol; Di-NHS Ester-PEG7; 1,1'-[(1,25-Dioxo-4,7,10,13,16,19,22-heptaoxapentacosane-1,25-diyl)bis(oxy)]di(2,5-pyrrolidinedione); 2,5-Pyrrolidinedione, 1,1'-[(1,25-dioxo-4,7,10,13,16,19,22-heptaoxapentacosane-1,25-diyl)bis(oxy)]bis-
IUPAC Name	(2,5-dioxopyrrolidin-1-yl) 3-[2-[2-[2-[2-[2-[2-[3-(2,5-dioxopyrrolidin-1-yl)oxy-3-oxopropoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]propanoate
Canonical SMILES	C1CC(=O)N(C1=O)OC(=O)CCOCCOCCOCCOCCOCCOCCOCCC(=O)ON2C(=O)CCC2=O
InChI	InChI=1S/C26H40N2O15/c29-21-1-2-22(30)27(21)42-25(33)5-7-35-9-11-37-13-15-39-17-19-41-20-18-40-16-14-38-12-10-36-8-6-26(34)43-28-23(31)3-4-24(28)32/h1-20H2
InChIKey	QWDCSPQIVZTPRD-UHFFFAOYSA-N
Boiling Point	685.8±65.0°C at 760 mmHg
Purity	≥95%
Density	1.3±0.1 g/cm3
Solubility	Soluble in DCM, DMF, DMSO
Related CAS	123502-57-8 (polymer)
Appearance	Colorless or Light Yellowish Liquid
Shelf Life	-20°C 3 years powder; -80°C 2 years in solvent
Storage	Store at 2-8°C

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