Bis-PEG3-NHS Ester

Name: Bis-PEG3-NHS Ester
Brand: BOC Sciences
Rating: 5 (1 reviews)

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Category	Bis-PEGn-NHS ester
Catalog NO.	BPG-3568
Product Name	Bis-PEG3-NHS Ester
CAS	1314378-16-9
Molecular Formula	C18H24N2O11
Molecular Weight	444.39

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Product Information

Description	Bis-PEG3-NHS Ester is used in ADC construction for efficient crosslinking of proteins via primary amines. Its PEG3 spacer enhances solubility, reduces immunogenicity, and enables controlled drug loading on antibodies.
Synonyms	α,ω-disuccinimidyl diethylene glycol; bis(2,5-dioxopyrrolidin-1-yl) 3,3'-(2,2'-oxybis(ethane-2,1-diyl)bis(oxy))dipropanoate; 1,1'-Bis(2,5-dioxo-1-pyrrolidinyl) 3,3'-[oxybis(2,1-ethanediyloxy)]bis[propanoate]; Propanoic acid, 3,3'-[oxybis(2,1-ethanediyloxy)]bis-, 1,1'-bis(2,5-dioxo-1-pyrrolidinyl) ester; 1,1'-{Oxybis[2,1-ethanediyloxy(1-oxo-3,1-propanediyl)oxy]}di(2,5-pyrrolidinedione); 2,5-Pyrrolidinedione, 1,1'-[oxybis[2,1-ethanediyloxy(1-oxo-3,1-propanediyl)oxy]]bis-; NHS-PEG3-NHS
IUPAC Name	(2,5-dioxopyrrolidin-1-yl) 3-[2-[2-[3-(2,5-dioxopyrrolidin-1-yl)oxy-3-oxopropoxy]ethoxy]ethoxy]propanoate
SMILES	C1CC(=O)N(C1=O)OC(=O)CCOCCOCCOCCC(=O)ON2C(=O)CCC2=O
InChI	InChI=1S/C18H24N2O11/c21-13-1-2-14(22)19(13)30-17(25)5-7-27-9-11-29-12-10-28-8-6-18(26)31-20-15(23)3-4-16(20)24/h1-12H2
InChIKey	OPGNUERFYQLUNP-UHFFFAOYSA-N
Boiling Point	577.4±60.0°C (Predicted)
Purity	≥98%
Density	1.42±0.1 g/cm3 (Predicted)
Solubility	Soluble in DMSO
Related CAS	123502-57-8 (polymer)
Appearance	Pale Yellow or Colorless Oily Matter
Storage	Store at 2-8°C

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Why BOC Sciences?

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Multi specification for academic research and industrial production
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BOC Sciences supplies a unique variety of PEG derivatives and functional PEG polymers. Our products offer the most diverse collection of reactivity, ready-to-use functionality, and molecular weight options that you will not find anywhere else.