New Building Blocks--2023.12.29

2023-12-29

1.CAS NO: 564476-32-0           Bromo-PEG4-t-butyl ester
2.CAS NO: 2101206-67-9         Ald-Ph-amido-PEG1-C2-Pfp ester
3.CAS NO: 2101206-31-7         NHPI-PEG2-C2-NHS ester
4.CAS NO: 1286281-32-0         H2N-PEG6-tBu
5.CAS NO: 126695-58-7           4-Azido-2,3,5,6-tetrafluorobenzoicacid