N-Acetyl-L-tyrosine

N-乙酰-L-酪氨酸

Also known as: Ac-Tyr-OH, Ac-Tyrosine, N-Ac-Tyr, Acetyltyrosine, N-acetyl-L-Tyr, N-Acetyltyrosine, Ac-L-Tyr-OH, Ac-L-Tyrosine, L-Tyrosine, N-acetyl-, (2S)-2-(acetylamino)-3-(4-hydroxyphenyl)propanoic acid

N-Acetyl-L-tyrosine (CAS 537-55-3) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C11H13NO4 and a molecular weight of 223.225 g/mol. It is also known as Ac-Tyr-OH, Ac-Tyrosine and N-Ac-Tyr. Key properties include a melting point of 149-152 °C(lit.), a boiling point of 531.3±45.0 °C at 760 mmHg, a density of 1.3±0.1 g/cm3 and a flash point of 275.1±28.7 °C. GHS signal word: Danger. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
537-55-3
Jingsj CID
J-966507-3
Molecular Formula
C11H13NO4
Chinese Name
N-乙酰-L-酪氨酸
Molecular Weight
223.225 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Melting Point149-152 °C(lit.)
Boiling Point531.3±45.0 °C at 760 mmHg
Density1.3±0.1 g/cm3
Flash Point275.1±28.7 °C

GHS Safety & Compliance

CorrosionSignal word: Danger

Frequently Asked Questions

What is the CAS number of N-Acetyl-L-tyrosine?

The CAS number of N-Acetyl-L-tyrosine is 537-55-3.

What are the molecular formula and molecular weight of N-Acetyl-L-tyrosine?

N-Acetyl-L-tyrosine has molecular formula C11H13NO4 and molecular weight 223.225 g/mol.

Is N-Acetyl-L-tyrosine hazardous?

N-Acetyl-L-tyrosine has GHS signal word Danger.

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

Last updated:

How to cite: Jingsj. "N-Acetyl-L-tyrosine (CAS 537-55-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-966507-3 (accessed 2026-10-22).

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