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2-Hydroxy-DL-tryptophan

2-Hydroxy-DL-tryptophan Structure
2-Hydroxy-DL-tryptophan structure
CAS No.
21704-80-3
Chemical Name:
2-Hydroxy-DL-tryptophan
Synonyms
2-hydroxytryptophane;L-2-hydroxyTryptophan;Tryptophan Impurity 2;Tryptophan EP Impurity;2-Hydroxy-DL-tryptophan;Tryptophan EP Impurity G;L-Tryptophan, 2-hydroxy-;N-Acetyltryptophan EP Impurity G;(S)-2-Amino-3-(2-hydroxy-1H-indol-3-yl)propanoic acid
CBNumber:
CB1966619
Molecular Formula:
C11H12N2O3
Molecular Weight:
220.23
MDL Number:
MFCD09841931
MOL File:
Mol file
MSDS File:
SDS
Last updated:2026-05-27 23:50:20
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2-Hydroxy-DL-tryptophan Properties

Melting point 246-247 °C
Boiling point 509.7±50.0 °C(Predicted)
Density 1.484±0.06 g/cm3(Predicted)
pka 2.16±0.10(Predicted)
FDA UNII TCB9GM9U3X

SAFETY

Risk and Safety Statements

Symbol(GHS)  Exclamation Mark (GHS07)
GHS07
Signal word  Warning
Hazard statements  H335-H315-H302-H319
Precautionary statements  P264-P270-P301+P312-P330-P501-P264-P280-P305+P351+P338-P337+P313P-P264-P280-P302+P352-P321-P332+P313-P362

2-Hydroxy-DL-tryptophan price

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
aablocks AA00C1JQ (S)-2-Amino-3-(2-Hydroxy-1H-Indol-3-Yl)Propanoic Acid 95% 21704-80-3 100mg $415 2026-05-28 Buy
aablocks AA00C1JQ (S)-2-Amino-3-(2-Hydroxy-1H-Indol-3-Yl)Propanoic Acid 95% 21704-80-3 250mg $607 2026-05-28 Buy
American Custom Chemicals Corporation AAA0010351 2-HYDROXY-L-TRYPTOPHAN 95.00% 21704-80-3 5MG $503.97 2021-12-16 Buy
Medical Isotopes, Inc. 46792 2-HydroxyL-tryptophan 21704-80-3 250mg $650 2021-12-16 Buy
Product number Packaging Price Buy
AA00C1JQ 100mg $415 Buy
AA00C1JQ 250mg $607 Buy
AAA0010351 5MG $503.97 Buy
46792 250mg $650 Buy

2-Hydroxy-DL-tryptophan Chemical Properties, Uses, Production

Uses

2-Hydroxy L-Tryptophan

Definition

ChEBI: 2-hydroxy-L-tryptophan is an optically active form of 2-hydroxytryptophan having L-configuration. It is a 2-hydroxytryptophan, a non-proteinogenic L-alpha-amino acid and a L-tryptophan derivative.

2-Hydroxy-DL-tryptophan Preparation Products And Raw materials

Raw materials

Preparation Products

2-Hydroxy-DL-tryptophan Suppliers

Global Suppliers ( 49)
Supplier Tel Email Country ProdList Advantage
J & K SCIENTIFIC LTD. 18210857532 18210857532 jkinfo@jkchemical.com China 96815 76
Shanghai Paulshine Chemical Co., Ltd. +86-021-37788663 China 186 64
Shanghai Hanhong Scientific Co.,Ltd. 021-54306202 13764082696 info@hanhongsci.com China 42917 64
S.Z. PhyStandard Bio-Tech. Co., Ltd. 0755-4000505016 13380397412 3001272453@qq.com China 5000 50
Quality Control Solutions Ltd. 0755-66853366 13670046396 orders@qcsrm.com China 18188 56
Shanghai Kewel Chemical Co., Ltd. 021-64609169 18901607656 greensnown@163.com China 9883 50
Shanghai YuanYe Biotechnology Co., Ltd. 15026964105 2881489226@qq.com China 89667 60
Hubei Yangxin Medical Technology Co., Ltd. 15374522761 3003392093@yongstandards.com China 9995 55
Shenzhen SUNGENING Bio-Medical Co., Ltd. 0755-28967200 13631290199 wxf@sungening.com China 9609 60
PI & PI BIOTECH INC. +86-13602409664 +86-17788709170 Sales@pipitech.com China 2644 58
Supplier Advantage
J & K SCIENTIFIC LTD. 76
Shanghai Paulshine Chemical Co., Ltd. 64
Shanghai Hanhong Scientific Co.,Ltd. 64
S.Z. PhyStandard Bio-Tech. Co., Ltd. 50
Quality Control Solutions Ltd. 56
Shanghai Kewel Chemical Co., Ltd. 50
Shanghai YuanYe Biotechnology Co., Ltd. 60
Hubei Yangxin Medical Technology Co., Ltd. 55
Shenzhen SUNGENING Bio-Medical Co., Ltd. 60
PI & PI BIOTECH INC. 58

21704-80-3 (2-Hydroxy-DL-tryptophan) Related Search:

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Tryptophan EP Impurity F Tryptophan EP Impurity L 3-[(4-hydroxyphenyl)methyl]piperazine-2,5-dione 2-(1H-indol-3-yl)acetaldehyde Tryptophan Impurity 1（Tryptophan EP Impurity A）
N-Acetyl-L-tryptophan Harmane-1,2,3,4-tetrahydro-3-carboxylic acid 2,3,4,9-Tetrahydro-1H-beta-carboline-3-carboxylic acid

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2-Hydroxy-DL-tryptophan Tryptophan EP Impurity G L-2-hydroxyTryptophan 2-hydroxytryptophane Tryptophan Impurity 2 L-Tryptophan, 2-hydroxy- N-Acetyltryptophan EP Impurity G Tryptophan EP Impurity (S)-2-Amino-3-(2-hydroxy-1H-indol-3-yl)propanoic acid 21704-80-3