Bis-sulfone-PEG4-Acid

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Category	Bis-sulfone-PEGn-Acid
Catalog NO.	BPG-3361
Product Name	Bis-sulfone-PEG4-Acid
CAS	2639395-49-4
Molecular Formula	C36H45NO12S2
Molecular Weight	747.87

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Description	Bis-Sulfone-PEG4-acid is a PEG linker with a sulfone and acid end group. The sulfone group can be conjugated with thiol groups of proteins. The terminal carboxylic acid can react with primary amines in the presence of activators such as EDC and HATU to form stable amide bonds. The hydrophilic PEG chain increases the water solubility of the compound in aqueous media.
Synonyms	1-oxo-1-(4-(3-tosyl-2-(tosylmethyl)propanoyl)phenyl)-5,8,11,14-tetraoxa-2-azaheptadecan-17-oic acid
IUPAC Name	3-[2-[2-[2-[2-[[4-[3-(4-methylphenyl)sulfonyl-2-[(4-methylphenyl)sulfonylmethyl]propanoyl]benzoyl]amino]ethoxy]ethoxy]ethoxy]ethoxy]propanoic acid
Canonical SMILES	CC1=CC=C(C=C1)S(=O)(=O)CC(CS(=O)(=O)C2=CC=C(C=C2)C)C(=O)C3=CC=C(C=C3)C(=O)NCCOCCOCCOCCOCCC(=O)O
InChI	InChI=1S/C36H45NO12S2/c1-27-3-11-32(12-4-27)50(42,43)25-31(26-51(44,45)33-13-5-28(2)6-14-33)35(40)29-7-9-30(10-8-29)36(41)37-16-18-47-20-22-49-24-23-48-21-19-46-17-15-34(38)39/h3-14,31H,15-26H2,1-2H3,(H,37,41)(H,38,39)
InChIKey	PDXZXCYPCHVEJY-UHFFFAOYSA-N
Boiling Point	974.3±65.0°C at 760 mmHg
Purity	≥95%
Density	1.278±0.06 g/cm3
Solubility	Soluble in DCM, DMF, DMSO
Storage	Store at -20°C

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