Certificate of Analysis
| Product Name: | 4-Arm PEG-SH (MW 5000) |
| Catalog Number: | M65732 |
| CAS Number: | 188492-68-4 |
Physical and Chemical Properties
| Formula: | (C2H4O)nC13H28O4S4 |
| Storage: | -20°C, sealed |
Product Information
| Description: | 4-Arm PEG-SH (MW 5000) (4-Arm PEG-thiol) is a multi-arm PEG derivative with thiol groups at each end of the four arms. The reactive free thiol, SH or sulfhydryl groups react selectively with maleimide and transition metal surfaces including gold and silver. |
| Stability and Solubility Advice: | Information concerning product stability, particularly in solution, has rarely been reported and in most cases we can only offer a general guide. We recommend that stock solutions, once prepared, are stored aliquoted in tightly sealed vials and used within 1 month. Avoid repeated freeze and thaw cycles. Storage conditions for some special products should refer to their storage details. |