New Building Blocks--2023.11.17

2023-11-17

1.CAS NO: 54384-47-3             NH-bis-PEG2
2.CAS NO: 1196732-52-1         Propargyl-PEG8-NH2
3.CAS NO: 690632-55-4           N-SUCCINIMIDYLOXYCARBONYLPROPYL METHANETHIOSULFONATE
4.CAS NO: 1425803-45-7         Cyclooctyne-O-NHS ester
5.CAS NO: 111625-28-6           (2-pyridyldithio)-PEG1-hydrazine