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Biotin-PEG2-NHS ester

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Category	Biotin PEG
Catalog NO.	BPG-2261
Product Name	Biotin-PEG2-NHS ester
CAS	596820-83-6
Molecular Formula	C₂₁H₃₂N₄O₈S
Molecular Weight	500.57

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Description	Biotin-PEG2-NHS ester is a polyethylene glycol (PEG)-based PROTAC linker. Biotin-PEG2-NHS ester can be used in the synthesis of a series of PROTACs.
Synonyms	(+)-Biotin-PEG2-NHS Ester; N-Succinimidyl 9-(Biotinamido)-4,7-dioxanonanoate
IUPAC Name	(2,5-dioxopyrrolidin-1-yl) 3-[2-[2-[5-[(3aS,4S,6aR)-2-oxo-1,3,3a,4,6,6a-hexahydrothieno[3,4-d]imidazol-4-yl]pentanoylamino]ethoxy]ethoxy]propanoate
Canonical SMILES	C1CC(=O)N(C1=O)OC(=O)CCOCCOCCNC(=O)CCCCC2C3C(CS2)NC(=O)N3
InChI	InChI=1S/C21H32N4O8S/c26-16(4-2-1-3-15-20-14(13-34-15)23-21(30)24-20)22-8-10-32-12-11-31-9-7-19(29)33-25-17(27)5-6-18(25)28/h14-15,20H,1-13H2,(H,22,26)(H2,23,24,30)/t14-,15-,20-/m0/s1
InChIKey	UCJSJBIJPAZUGU-AVYPCKFXSA-N
Purity	>97%
Density	1.4±0.1 g/cm3
Appearance	White Waxy
Storage	Powder, -20°C, 3 years; In solvent, -80°C, 6 months; -20°C, 1 month

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