HEPES

This article is compiled based on the United States Pharmacopeia (USP) – 2025 Edition

Issued and maintained by the United States Pharmacopeial Convention (USP)

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(4-(2-Hydroxyethyl)piperazine-1-ethanesulfonic acid, N-(2-Hydroxyethyl)piperazine-N′-(2-ethanesulfonic acid)), C₈H₁₈N₂O₄S          238.30 CAS RN: 7365-45-9.—Use a suitable grade for cell culture with a content of NLT 99.5%. _{(USP 1-Aug-2024)}