New Building Blocks--2023.10.27

2023-10-27

1.CAS NO: 1869922-24-6         PC Biotin-PEG3-alkyne
2.CAS NO: 77544-60-6             2-(2-(2-(2-Hydroxyethoxy)ethoxy)ethoxy)ethyl 4-methylbenzenesulfonate
3.CAS NO: 2101206-29-3         2,5-Dioxopyrrolidin-1-yl 3-methyl-3-(pyridin-2-yldisulfanyl)butanoate
4.CAS NO: 1977493-48-3         MPEG12-NH2
5.CAS NO: 756525-95-8           Amino-PEG2-t-butyl ester