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4-hydroxy-DL-tryptophan

4-羟基-DL-色氨酸

Also known as: 2-AMino-3-(4-hydroxy-1H-indol-3-yl)propanoic acid, 2-amino-3-(4-hydroxy-1H-indol-3-yl)propanoic acid, 4-HYDROXY-TRYPTOPHAN, 4-Hydroxy-DL-tryptophan, 4-hydroxy-DL-tryptophan, 4-hydroxytryptophan, Einecs 240-605-9, Tryptophan, 4-hydroxy-, (±)-4-Hydroxytryptophan

4-hydroxy-DL-tryptophan (CAS 16533-77-0) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C11H12N2O3 and a molecular weight of 220.22500 g/mol. It is also known as 2-AMino-3-(4-hydroxy-1H-indol-3-yl)propanoic acid, 2-amino-3-(4-hydroxy-1H-indol-3-yl)propanoic acid and 4-HYDROXY-TRYPTOPHAN. Key properties include a boiling point of 520.6ºC at 760mmHg, a density of 1.484g/cm3 and a flash point of 268.7ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
16533-77-0
Jingsj CID
J-1525100-4
Molecular Formula
C11H12N2O3
Chinese Name
4-羟基-DL-色氨酸
Molecular Weight
220.22500 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point520.6ºC at 760mmHg
Density1.484g/cm3
Flash Point268.7ºC

Frequently Asked Questions

What is the CAS number of 4-hydroxy-DL-tryptophan?

The CAS number of 4-hydroxy-DL-tryptophan is 16533-77-0.

What are the molecular formula and molecular weight of 4-hydroxy-DL-tryptophan?

4-hydroxy-DL-tryptophan has molecular formula C11H12N2O3 and molecular weight 220.22500 g/mol.

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

Last updated:

How to cite: Jingsj. "4-hydroxy-DL-tryptophan (CAS 16533-77-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1525100-4 (accessed 2026-10-25).

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