CAS Number 165729-83-9 | |
Molecular Weight 604.75; single compound | |
Chemical Formula C₂₆H₅₂O₁₃S | |
Purity > 98% | |
Unit Size 100mg, 1000mg | |
Solubility Methylene chloride, Acetonitrile, DMAC or DMSO. | |
Spacers dPEG® Spacer is 36 atoms and 43.1 Å | |
Storage Instructions -20°C; Always let come to room temperature before opening; be careful to limit exposure to moisture and restore under an inert atmosphere; stock solutions can be prepared with dry solvent and kept for several days (freeze when not in use). dPEG® pegylation compounds are generally hygroscopic and should be treated as such. This will be less noticeable with liquids, but the solids will become tacky and difficult to manipulate, if care is not taken to minimize air exposure. | |
Shipping Instructions Ambient |
S-acetyl-dPEG®₁₂-OH
S-acetyl-dPEG®12-OH, product number QBD-10939, contains an acetyl-protected thiol on a medium-length (36 atoms, 43.1 Å) hydroxy-terminated, discrete polyethylene glycol (dPEG®) linker. This product can be used to thiolate biomolecules.
Bioconjugation frequently employs thiolation because the reactions to install thiol groups on molecules or to react with molecules containing sulfhydryl groups are relatively simple and often chemoselective. The thioacetyl group is intended to install an acetyl-protected thiol onto biomolecules. While installing a protected thiol through a reaction between a carboxylic acid and a primary amine is widely popular in bioconjugation technology, it is not always possible or feasible. S-acetyl-dPEG®12-OH permits the installation of a protected thiol through a short, hydroxy-terminated discrete PEG® linker. Hydroxylamine hydrochloride (CAS number 5470-11-1) easily removes the S-acetyl group that protects the thiol, thus exposing the sulfhydryl for subsequent reaction. One application for S-acetyl-dPEG®12-OH is the modification of nucleic acids using phosphoramidite chemistry.
Price range: $218.00 through $874.00
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