SPDP-PEG4-COOH

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Category	SPDP-PEGn-COOH
Catalog NO.	BPG-3490
Product Name	SPDP-PEG4-COOH
CAS	581065-97-6
Molecular Formula	C19H30N2O7S2
Molecular Weight	462.58

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Description	SPDP-PEG4-COOH is a PEG-based PROTAC linker which is applicated in medical research, drug-release, nanotechnology and new materials research, cell culture. It contains SPDP crosslinker and carboxylic acid moieties. SPDP is reactive toward amine and thiol groups and contains a cleavable disulfide bond. Its membrane permeability allows for intracellular crosslinking reactions. The terminal caboxylic acid can react with primary amines in the presence of activators such as EDC and DCC to form stable amide bonds. The water solubility properties of PEG linkers is enhanced by longer PEG chains.
Synonyms	SPDP-PEG4-acid; 3-oxo-1-(pyridin-2-yldisulfanyl)-7,10,13,16-tetraoxa-4-azanonadecan-19-oic acid; OPSS-PEG4-COOH; N-[3-(o-Pyridyldisulfido)propanoyl]-15-amino-4,7,10,13-tetraoxa-pentadecanoic acid; OPSS-PEG4-COOH
IUPAC Name	3-[2-[2-[2-[2-[3-(pyridin-2-yldisulfanyl)propanoylamino]ethoxy]ethoxy]ethoxy]ethoxy]propanoic acid
Canonical SMILES	C1=CC=NC(=C1)SSCCC(=O)NCCOCCOCCOCCOCCC(=O)O
InChI	InChI=1S/C19H30N2O7S2/c22-17(5-16-29-30-18-3-1-2-6-21-18)20-7-9-26-11-13-28-15-14-27-12-10-25-8-4-19(23)24/h1-3,6H,4-5,7-16H2,(H,20,22)(H,23,24)
InChIKey	IJDPYTZOKIVWAN-UHFFFAOYSA-N
Boiling Point	677.3±55.0 °C at 760 mmHg
Purity	≥95%
Density	1.3±0.1 g/cm3
Solubility	Soluble in DMSO
Appearance	Yellow 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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