DMSO is a polar aprotic solvent widely used in bioconjugation. This solvent can be considered as very important co-solvent for Click reactions to label various objects with poorly water-soluble fluorescent dyes. DMSO is also recommended as an auxiliary solvent in the reaction mixture when a hydrophobic label is used for protein labeling, or when a label molecule needs to be aliquoted before the reaction.
PEG4 amine azide (CAS# 134179-38-7) is a bifunctional linker with amine and azide functional groups. It is based on a tetraethyleneglycol core. The length of the PEG4 linker is 1.4 nm.
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General properties
Appearance:
colorless liquid
Molecular weight:
78.14
CAS number:
67-68-5
Molecular formula:
C2H6OS
IUPAC name:
dimethylsulfoxide
Solubility:
miscible with water, many organic solvents
Quality control:
GCMS (98+%)
Storage conditions:
Storage: 12 months after receival at -20°C in the dark. Transportation: at room temperature for up to 3 weeks. Avoid prolonged exposure to light. Desiccate.
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