Tos-PEG7-O-CH2COOH

Name: Tos-PEG7-O-CH2COOH
Brand: BOC Sciences
Rating: 5 (1 reviews)

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Category	Tos-PEGn-CH2COOH
Catalog NO.	BPG-3429
Product Name	Tos-PEG7-O-CH2COOH
CAS	2408334-70-1
Molecular Formula	C23H38O12S
Molecular Weight	538.61

Tos-PEG7-O-CH2COOH @(data.CAS != null ? $"| CAS 2408334-70-1" : "") - BOC Sciences

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Description	Tos-PEG7-O-CH2COOH is a PEG linker containing a tosyl group and a terminal carboxylic acid. The tosyl group is a very good leaving group for nucleophilic substitution reactions. The terminal carboxylic acid can be reacted with primary amine groups in the presence of activators (e.g. EDC, or DCC) to form a stable amide bond. The hydrophilic PEG spacer increases solubility in aqueous media.
Synonyms	Tos-PEG8-CH2COOH; Tos-PEG7-CH2COOH; 23-(tosyloxy)-3,6,9,12,15,18,21-heptaoxatricosanoic acid
IUPAC Name	2-[2-[2-[2-[2-[2-[2-[2-(4-methylphenyl)sulfonyloxyethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]acetic acid
SMILES	CC1=CC=C(C=C1)S(=O)(=O)OCCOCCOCCOCCOCCOCCOCCOCC(=O)O
InChI	InChI=1S/C23H38O12S/c1-21-2-4-22(5-3-21)36(26,27)35-19-18-33-15-14-31-11-10-29-7-6-28-8-9-30-12-13-32-16-17-34-20-23(24)25/h2-5H,6-20H2,1H3,(H,24,25)
InChIKey	PCQFFRFKWCEOFP-UHFFFAOYSA-N
Purity	≥95%
Storage	Store at 2-8°C

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