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This product has historical factory records. Recorded pack sizes and purity can be used as a supply reference, while project-specific availability is confirmed by inquiry.
Reference pack sizes are shown below. Final availability, packaging and delivery schedule are confirmed by inquiry.
Bis-PEG9-NHS ester | NHS-PEG9-NHS | bis(2,5-dioxopyrrolidin-1-yl) 4,7,10,13,16,19,22,25,28-nonaoxahentriacontane-1,31-dioate