COOH-PEG12-COOtBu

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Category	COOH-PEGn-COOtBu
Catalog NO.	BPG-1561
Product Name	COOH-PEG12-COOtBu
Molecular Formula	C32H62O16
Molecular Weight	702.83

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Product Information

Description	COOH-PEG12-COOtBu is a PEG linker containing a t-butyl-protected carboxyl group and a terminal carboxylic acid. The terminal carboxylic acid can react with primary amine groups in the presence of activators (e.g. EDC, or HATU) to form a stable amide bond. The t-butyl-protected carboxyl group can be deprotected under acidic conditions. The hydrophilic PEG spacer increases solubility in aqueous media.
Synonyms	Acid-PEG12-t-butyl ester; Acid-PEG12-C2-Boc; HOOCCH2CH2O-PEG11-CH2CH2COOtBu; COOH-PEG12-OtBu; 2,2-Dimethyl-4-oxo-3,7,10,13,16,19,22,25,28,31,34,37,40-tridecaoxatritetracontan-43-oic acid; 4,7,10,13,16,19,22,25,28,31,34,37-Dodecaoxatetracontane-1,40-dioic acid, mono(1,1-dimethylethyl) ester
IUPAC Name	3-[2-[2-[2-[2-[2-[2-[2-[2-[2-[2-[2-[3-[(2-methylpropan-2-yl)oxy]-3-oxopropoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]propanoic acid
Canonical SMILES	CC(C)(C)OC(=O)CCOCCOCCOCCOCCOCCOCCOCCOCCOCCOCCOCCOCCC(=O)O
InChI	InChI=1S/C32H62O16/c1-32(2,3)48-31(35)5-7-37-9-11-39-13-15-41-17-19-43-21-23-45-25-27-47-29-28-46-26-24-44-22-20-42-18-16-40-14-12-38-10-8-36-6-4-30(33)34/h4-29H2,1-3H3,(H,33,34)
InChIKey	IZMSFHWKXCFBAM-UHFFFAOYSA-N
Boiling Point	706.0±60.0°C at 760 mmHg
Purity	≥95%
Density	1.1±0.1 g/cm3
Appearance	White Solid
Storage	Store at 2-8°C

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