5-Hydroxy-DL-tryptophan

5-羟基-DL-色氨酸

Also known as: DL-5-Hydroxytryptophan, DL-5-HTP, 5-Hydroxytryptophan, 5-HTP, 5-Hydroxy-DL-tryptophan, Hydroxytryptophan, DL-2-Amino-3-(5-hydroxyindolyl)propionic acid, Tryptophan, 5-hydroxy-, Tryptophan, 5-hydroxy-, DL-, NSC-92523, USAF CB-96

5-Hydroxy-DL-tryptophan (CAS 56-69-9) 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 220.225 g/mol. It is also known as DL-5-Hydroxytryptophan, DL-5-HTP and 5-Hydroxytryptophan. Key properties include a melting point of 298-300ºC, a boiling point of 520.6±50.0 °C at 760 mmHg, a density of 1.5±0.1 g/cm3 and a flash point of 268.7±30.1 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
56-69-9
Jingsj CID
J-31990-2
Molecular Formula
C11H12N2O3
Chinese Name
5-羟基-DL-色氨酸
Molecular Weight
220.225 g/mol
Category
Organic Acids
Last updated
8/21/2026

No offers for this compound yet.

Request a quote

Physicochemical Properties

Melting Point298-300ºC
Boiling Point520.6±50.0 °C at 760 mmHg
Density1.5±0.1 g/cm3
Flash Point268.7±30.1 °C

Frequently Asked Questions

What is the CAS number of 5-Hydroxy-DL-tryptophan?

The CAS number of 5-Hydroxy-DL-tryptophan is 56-69-9.

What are the molecular formula and molecular weight of 5-Hydroxy-DL-tryptophan?

5-Hydroxy-DL-tryptophan has molecular formula C11H12N2O3 and molecular weight 220.225 g/mol.

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

Last updated:

How to cite: Jingsj. "5-Hydroxy-DL-tryptophan (CAS 56-69-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-31990-2 (accessed 2026-10-23).

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