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Catalog	Product Name	Structure	CAS	M.W.	Purity	Pricing
BP-21504	Bis-PEG9-NHS ester		1008402-79-6	708.7	95%	Pricing
BP-21505	Bis-PEG13-NHS ester		1008402-79-6	884.9	98%	Pricing
BP-21682	Bis-PEG17-NHS ester		1008402-79-6	1061.1	98%	Pricing
BP-21947	Bis-PE21 NHS ester		1008402-79-6	1237.4	97%	Pricing
BP-21948	Bis-PEG25-NHS ester		1008402-79-6	1413.6	97%	Pricing