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SPDP-PEG3-NHS ester

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Category	SPDP-PEGn-NHS ester
Catalog NO.	BPG-3502
Product Name	SPDP-PEG3-NHS ester
CAS	1433996-79-2
Molecular Formula	C21H29N3O8S2
Molecular Weight	515.6

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Description	SPDP-PEG3-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)3-NHS ester; Opss-peg(3)-nhs; 2,5-dioxopyrrolidin-1-yl 2-(2-ethoxyethoxy)-3-(2-(3-(pyridin-2-yldisulfaneyl)propanamido)ethoxy)propanoate
IUPAC Name	(2,5-dioxopyrrolidin-1-yl) 3-[2-[2-[2-[3-(pyridin-2-yldisulfanyl)propanoylamino]ethoxy]ethoxy]ethoxy]propanoate
Canonical SMILES	C1CC(=O)N(C1=O)OC(=O)CCOCCOCCOCCNC(=O)CCSSC2=CC=CC=N2
InChI	InChI=1S/C21H29N3O8S2/c25-17(7-16-33-34-18-3-1-2-8-23-18)22-9-11-30-13-15-31-14-12-29-10-6-21(28)32-24-19(26)4-5-20(24)27/h1-3,8H,4-7,9-16H2,(H,22,25)
InChIKey	RAWBJJSJJQXTMI-UHFFFAOYSA-N
Purity	≥95%
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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