Polyethylene Glycol Standards with Molecular Weights of 1000, 2000, 3000, 4000, and 6000 Daltons (g/mol)
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This article is compiled based on the United States Pharmacopeia (USP) – 2025 Edition
Issued and maintained by the United States Pharmacopeial Convention (USP)
[Poly(oxy-1,2-ethanediyl), α-hydroxy-ω-hydroxy-; 1,2-Ethanediol, homopolymer], H(OCH2CH2)nOH, in which the average values of n are 22, 45, 69, 92, and 149 average molecular weight (Mw), 1020, 2010, 3060, 4080, and 6550 CAS RN®: 25322-68-3.(ERR 1-Feb-2023) -Use molecular weight standard grades. [NOTE-Suitable grades are available from www.polymer.de.]
