L-5-Hydroxytryptophan

5-羟基-L-色氨酸

Also known as: L-5-HTP, Oxitriptan, 5-Hydroxy-L-tryptophan, (-)-5-Hydroxy-L-tryptophan, L-2-Amino-3-(5-hydroxyindolyl)propionic acid, 2-Amino-3-(5-hydroxy-1H-indol-3-yl)propanoic acid, Cincofarm, Levothym, Oxyfan, Serotonyl, Telesol, Pretonine

L-5-Hydroxytryptophan (CAS 4350-09-8) 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 220.22 g/mol. It is also known as L-5-HTP, Oxitriptan and 5-Hydroxy-L-tryptophan. Key properties include a melting point of 270 °C (dec.)(lit.), 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. GHS signal word: Danger. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

4350-09-8

Jingsj CID

J-1102081-3

Molecular Formula

C₁₁H₁₂N₂O₃

Chinese Name

5-羟基-L-色氨酸

Molecular Weight

220.22 g/mol

Category

Organic Acids

Last updated

8/21/2026