2-(trimethylammonio)octadecanoate

2-(三甲基铵基)十八烷酸内盐

Also known as: CETYL BETAINE, Cetyl betaine, 1-Heptadecanaminium,1-carboxy-N,N,N-trimethyl-,inner salt, 1-Heptadecanaminium,1-carboxy-N,N,N-trimethyl-,hydroxide,inner salt, 1-Carboxylato-N,N,N-trimethyl-1-heptadecanaminium, 2-(trimethylammonio)stearate, 2-(trimethylazaniumyl)octadecanoate, EINECS 202-515-8

2-(trimethylammonio)octadecanoate (CAS 96-56-0) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C21H43NO2 and a molecular weight of 341.57200 g/mol. It is also known as CETYL BETAINE, Cetyl betaine and 1-Heptadecanaminium,1-carboxy-N,N,N-trimethyl-,inner salt. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 96-56-0
Jingsj CID: J-1388262-0
Molecular Formula: C₂₁H₄₃NO₂
Chinese Name: 2-(三甲基铵基)十八烷酸内盐
Molecular Weight: 341.57200 g/mol
Category: Organic Acids
Last updated: 8/21/2026

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Frequently Asked Questions

What is the CAS number of 2-(trimethylammonio)octadecanoate?

The CAS number of 2-(trimethylammonio)octadecanoate is 96-56-0.

What are the molecular formula and molecular weight of 2-(trimethylammonio)octadecanoate?

2-(trimethylammonio)octadecanoate has molecular formula C21H43NO2 and molecular weight 341.57200 g/mol.

Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.

Last updated: 8/21/2026

How to cite: Jingsj. "2-(trimethylammonio)octadecanoate (CAS 96-56-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1388262-0 (accessed 2026-10-25).

Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.