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SPDP-PEG1-NHS ester

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Category	SPDP-PEGn-NHS ester
Catalog NO.	BPG-3504
Product Name	SPDP-PEG1-NHS ester
CAS	2517899-59-9
Molecular Formula	C17H21N3O6S2
Molecular Weight	427.49

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Description	SPDP-PEG1-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)1-NHS ester; Opss-peg(1)-nhs; 2,5-dioxopyrrolidin-1-yl 3-(2-(3-(pyridin-2-yldisulfaneyl)propanamido)ethoxy)propanoate
IUPAC Name	(2,5-dioxopyrrolidin-1-yl) 3-[2-[3-(pyridin-2-yldisulfanyl)propanoylamino]ethoxy]propanoate
Canonical SMILES	O=C(ON1C(CCC1=O)=O)CCOCCNC(CCSSC2=NC=CC=C2)=O
InChI	InChI=1S/C17H21N3O6S2/c21-13(7-12-27-28-14-3-1-2-8-19-14)18-9-11-25-10-6-17(24)26-20-15(22)4-5-16(20)23/h1-3,8H,4-7,9-12H2,(H,18,21)
InChIKey	DLSIBCBYIRQWPF-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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