Compound Q&A

What is HEPES (CAS: 7365-45-9)?

Answer

HEPES, or N-(2-hydroxyethyl)piperazine-N'-2-ethanesulfonic acid (CAS: 7365-45-9), is a zwitterionic buffering agent used to maintain stable pH levels in aqueous solutions. It has a chemical formula of C8H18N2O4S, is highly soluble in water, and exhibits excellent pH buffering capacity between pH 6.8 and 8.2. HEPES is commonly used in biological and biochemical applications due to its low toxicity and compatibility with cellular systems.

About

CAS No 7365-45-9

English Name HEPES

Molecular Formula C8H18N2O4S

Molecular Weight 238.30899999999997 g/mol

SMILES C1CN(CCN1CCO)CCS(=O)(=O)O

InChIKey JKMHFZQWWAIEOD-UHFFFAOYSA-N

Last Updated: 2025-08-25 01:07

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What is HEPES (CAS: 7365-45-9)?

Answer

About

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