Hydantoin-5-acetic acid

乙内酰脲-5-乙酸

Also known as: 2,5-Dioxo-4-imidazolidineacetic acid, (2,5-Dioxoimidazolidin-4-yl)acetic acid, DL-5-(Carboxymethyl)hydantoin, 5-Hydantoinacetic acid, NSC 14985, 2-(2,5-Dioxoimidazolidin-4-yl)acetic acid

Hydantoin-5-acetic acid (CAS 5427-26-9) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C5H6N2O4 and a molecular weight of 158.112 g/mol. It is also known as 2,5-Dioxo-4-imidazolidineacetic acid, (2,5-Dioxoimidazolidin-4-yl)acetic acid and DL-5-(Carboxymethyl)hydantoin. Key properties include a melting point of 214-215 °C (dec.)(lit.) and a density of 1.5±0.1 g/cm3. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
5427-26-9
Jingsj CID
J-32390-7
Molecular Formula
C5H6N2O4
Chinese Name
乙内酰脲-5-乙酸
Molecular Weight
158.112 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Melting Point214-215 °C (dec.)(lit.)
Density1.5±0.1 g/cm3

Frequently Asked Questions

What is the CAS number of Hydantoin-5-acetic acid?

The CAS number of Hydantoin-5-acetic acid is 5427-26-9.

What are the molecular formula and molecular weight of Hydantoin-5-acetic acid?

Hydantoin-5-acetic acid has molecular formula C5H6N2O4 and molecular weight 158.112 g/mol.

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

Last updated:

How to cite: Jingsj. "Hydantoin-5-acetic acid (CAS 5427-26-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-32390-7 (accessed 2026-10-22).

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