N-Acetyl-L-tyrosine
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. 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. It is classified under GHS with signal word Danger and hazard statements H318 — Causes serious eye damage. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 537-55-3
- Jingsj CID
- J-966507-0
- Molecular Formula
- C11H13NO4
- Molecular Weight
- 223.225 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 149-152 °C(lit.) |
|---|---|
| Boiling Point | 531.3±45.0 °C at 760 mmHg |
| Density | 1.3±0.1 g/cm3 |
| Flash Point | 275.1±28.7 °C |
| Exact Mass | 223.084457 |
| PSA | 86.63000 |
| LogP | 0.04 |
| Vapor Pressure | 0.0±1.5 mmHg at 25°C |
| Refractive Index | 1.577 |
GHS Safety & Compliance
- H318 — Causes serious eye damage
Activity & Biological Data
| Target | Human Endogenous Metabolite |
|---|---|
| Additional Information | [1]. Abdenur JE, et al. Aromatic l-aminoacid decarboxylase deficiency: unusual neonatal presentation and additional findings in organic acid analysis. Mol Genet Metab. 2006 Jan;87(1):48-53. |
Customs & Trade Information
| HS Code | 2924299090 |
|---|---|
| Summary | 2924299090. other cyclic amides (including cyclic carbamates) and their derivatives; salts thereof. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:30.0% |
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 and hazard statements H318 — Causes serious eye damage.
What are the upstream and downstream products of N-Acetyl-L-tyrosine?
For N-Acetyl-L-tyrosine, Upstream Products: L-Tyrosine, N-Acetyl-L-tyrosine methyl ester, (2Z)-2-[(4-hydroxyphenyl)methylidene]-3-oxobutanoic acid; Downstream Products: L-Tyrosine, N-Acetyl-3,5-dinitro-L-tyrosine, N-Acetyl-L-tyrosine ethyl ester.
Data compiled from public chemical databases such as PubChem 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-966507-0 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.