SPDP-PEG5-NHS ester

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Category	SPDP-PEGn-NHS ester
Catalog NO.	BPG-3505
Product Name	SPDP-PEG5-NHS ester
Molecular Formula	C25H37N3O10S2
Molecular Weight	603.7

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Description	SPDP-PEG5-NHS ester is a PEG-based PROTAC linker that has an amine-reactive N-hydroxysuccinimide (NHS) ester at one end and a sulfhydryl-reactive 2-pyridyldithiol group at the opposite end. This has a single molecular weight PEG spacer arm, which confers greater water solubility to the crosslinker and linked proteins compared to crosslinkers having only hydrocarbon spacers.
Synonyms	SPDP-dpeg(R)5-NHS ester; Opss-peg(5)-nhs; 2,5-dioxopyrrolidin-1-yl 2-((2-(3-(pyridin-2-yldisulfaneyl)propanamido)ethoxy)methyl)-3,6,9,12-tetraoxatetradecanoate
IUPAC Name	(2,5-dioxopyrrolidin-1-yl) 3-[2-[2-[2-[2-[2-[3-(pyridin-2-yldisulfanyl)propanoylamino]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]propanoate
Canonical SMILES	O=C(ON1C(CCC1=O)=O)CCOCCOCCOCCOCCOCCNC(CCSSC2=NC=CC=C2)=O
InChI	InChI=1S/C25H37N3O10S2/c29-21(7-20-39-40-22-3-1-2-8-27-22)26-9-11-34-13-15-36-17-19-37-18-16-35-14-12-33-10-6-25(32)38-28-23(30)4-5-24(28)31/h1-3,8H,4-7,9-20H2,(H,26,29)
InChIKey	HGHXNBPRFRKMOA-UHFFFAOYSA-N
Purity	≥95%
Density	1.3±0.1 g/cm3
Appearance	Colorless Oily Matter
Storage	Store at 2-8°C for short term (days to weeks) or -20°C for long term (months to years)

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