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Results for "

(±)-Tryptophan (Standard)

" in MedChemExpress (MCE) Product Catalog:

By Targets:	Tryptophan Hydroxylase (3) 5-HT Receptor (3) Adrenergic Receptor (1) Amino Acid Derivatives (1) Apoptosis (5) Aryl Hydrocarbon Receptor (4) Bacterial (1) Calcium Channel (1) Collagen (1) CXCR (2) Cytochrome P450 (1) DNA/RNA Synthesis (1) Drug Intermediate (1) Drug Metabolite (1) Endogenous Metabolite (24) Ferroptosis (1) Fluorescent Dye (1) Fungal (1) Glucocorticoid Receptor (1) GPR35 (2) iGluR (3) Indoleamine 2,3-Dioxygenase (IDO) (1) Interleukin Related (1) mGluR (1) nAChR (1) NO Synthase (1) Reactive Oxygen Species (ROS) (1) Reference Standards (35) STAT (1) UGT (1)
By Research Areas:	Cancer (11) Cardiovascular Disease (1) Endocrinology (5) Infection (2) Inflammation/Immunology (10) Metabolic Disease (10) Neurological Disease (15)

By Targets:

Tryptophan Hydroxylase (3)

5-HT Receptor (3)

Adrenergic Receptor (1)

Amino Acid Derivatives (1)

Apoptosis (5)

Aryl Hydrocarbon Receptor (4)

Bacterial (1)

Calcium Channel (1)

Collagen (1)

CXCR (2)

Cytochrome P450 (1)

DNA/RNA Synthesis (1)

Drug Intermediate (1)

Drug Metabolite (1)

Endogenous Metabolite (24)

Ferroptosis (1)

Fluorescent Dye (1)

Fungal (1)

Glucocorticoid Receptor (1)

GPR35 (2)

iGluR (3)

Indoleamine 2,3-Dioxygenase (IDO) (1)

Interleukin Related (1)

mGluR (1)

nAChR (1)

NO Synthase (1)

Reactive Oxygen Species (ROS) (1)

Reference Standards (35)

STAT (1)

UGT (1)

By Research Areas:

Cancer (11)

Cardiovascular Disease (1)

Endocrinology (5)

Infection (2)

Inflammation/Immunology (10)

Metabolic Disease (10)

Neurological Disease (15)

Inhibitors & Agonists

Fluorescent Dyes

Peptides

Natural
Products

Targets Recommended: Tryptophan Hydroxylase

Cat. No.	상품명	Target	연구분야	Chemical Structure

HY-104026R

L-Kynurenine (Standard) Maximum Cited Publications 25 Publications Verification	Reference Standards Aryl Hydrocarbon Receptor Endogenous Metabolite	Cardiovascular Disease Neurological Disease Inflammation/Immunology Cancer
L-Kynurenine (Standard) is the analytical standard of L-Kynurenine. This product is intended for research and analytical applications. L-Kynurenine is a metabolite of the amino acid L-tryptophan. L-Kynurenine is an aryl hydrocarbon receptor agonist.

HY-N0623R

*L-Tryptophan* (standard)** 10+ Cited Publications Tryptophan (Standard); Tryptophane (Standard)	Others Reference Standards	Metabolic Disease
L-Tryptophan (standard) is the analytical standard of L-Tryptophan. L-Tryptophan (Tryptophan) is an orally active and essential amino acid that is the precursor of serotonin, melatonin, and vitamin B3. L-Tryptophan can promote an increase in stemness and osteogenic ability of BMSCs in vitro and in vivo. L-Tryptophan inhibits cell proliferation and induced cell cycle arrest with high levels .

HY-100806R

Kynurenic acid (Standard) 5+ Cited Publications Quinurenic acid (Standard)	Reference Standards iGluR Endogenous Metabolite Apoptosis CXCR GPR35	Neurological Disease Inflammation/Immunology Endocrinology
Kynurenic acid (Standard) is the analytical standard of Kynurenic acid. This product is intended for research and analytical applications. Kynurenic acid, an endogenous tryptophan metabolite, is a broad-spectrum antagonist targeting NMDA, glutamate, α7 nicotinic acetylcholine receptor. Kynurenic acid is also an agonist of GPR35/CXCR8.

HY-100807R

Quinolinic acid (Standard) 5+ Cited Publications	Reference Standards iGluR Endogenous Metabolite Reactive Oxygen Species (ROS) NO Synthase Apoptosis	Neurological Disease Inflammation/Immunology
Quinolinic acid (Standard) is the analytical standard of Quinolinic acid. This product is intended for research and analytical applications. Quinolinic acid, an endogenous metabolite of tryptophan, is a N-methyl-D-aspartate receptor (NMDA receptor) agonist. Quinolinic acid increases glutamate efflux, induces the generation of ROS, activates nitric oxide synthase, produces excessive NO, leading to calcium ion influx and neuronal apoptosis.

HY-W011417R

Cinnabarinic acid (Standard)	Endogenous Metabolite Reference Standards mGluR Apoptosis	Others
Cinnabarinic acid (Standard) is the analytical standard of Cinnabarinic acid. This product is intended for research and analytical applications. Cinnabarinic acid is a specific orthosteric agonist of mGlu₄ by interacting with residues of the glutamate binding pocket of mGlu4, has no activity at other mGlu receptors. Cinnabarinic acid is an endogenous metabolite of the kynurenine pathway of tryptophan. Cinnabarinic acid induces cell apoptosis .

HY-W028393R

Indole-3-pyruvic acid (Standard)	Reference Standards Endogenous Metabolite Aryl Hydrocarbon Receptor	Neurological Disease Inflammation/Immunology
Indole-3-pyruvic acid (Standard) is the analytical standard of Indole-3-pyruvic acid. This product is intended for research and analytical applications. Indole-3-pyruvic acid, a keto analogue of tryptophan, is an orally active AHR agonist. Indole-3-pyruvic acid has antioxidant properties, and can be used in the research of inflammation, anxiety[1][2][3].

HY-W001171R

3-Hydroxyanthranilic acid (Standard) 1 Publications Verification	Reference Standards Endogenous Metabolite	Others
3-Hydroxyanthranilic acid (Standard) is the analytical standard of 3-Hydroxyanthranilic acid. This product is intended for research and analytical applications. 3-Hydroxyanthranilic acid is a tryptophan metabolite in the kynurenine pathway.

HY-113099R

Indolelactic acid (Standard) Indole-3-lactic acid (Standard)	Reference Standards Endogenous Metabolite	Inflammation/Immunology
Indolelactic acid (Standard) is the analytical standard of Indolelactic acid. This product is intended for research and analytical applications. Indolelactic acid (Indole-3-lactic acid) is a tryptophan (Trp) catabolite in Azotobacter vinelandii cultures. Indolelactic acid has anti-inflammation and potential anti-viral activity[1][3][4].

HY-77839R

Cortodoxone (Standard) 11-Deoxycortisol (Standard); cortexolone (Standard); Reichstein's substance S (Standard)	Reference Standards Glucocorticoid Receptor Endogenous Metabolite	Inflammation/Immunology Endocrinology
Cortodoxone (Standard) is the analytical standard of Cortodoxone. This product is intended for research and analytical applications. Cortodoxone (11-Deoxycortisol; cortexolone) is a glucocorticoid steroid hormone and also is a glucocorticoid antagonist. Cortodoxone increases tryptophan oxygenase (TO) activity and induces the secretion of corticosterone. Cortodoxone regulates T cell proliferation and activation .

HY-113294R

3-Hydroxykynurenine (Standard) 3-Hydroxy-DL-kynurenine (Standard)	Reference Standards Endogenous Metabolite Apoptosis	Neurological Disease
3-Hydroxykynurenine (Standard) is the analytical standard of 3-Hydroxykynurenine. This product is intended for research and analytical applications. 3-Hydroxykynurenine, a metabolite of tryptophan, is a potential endogenous neurotoxin whose increased levels have been described in several neurodegenerative disorders. 3-Hydroxykynurenine induces neuronal apoptosis .

HY-B0843AR

Metalaxyl-M (Standard) (R)-Metalaxyl (Standard)	DNA/RNA Synthesis Fungal	Infection Inflammation/Immunology
Metalaxyl-M ((R)-Metalaxyl) (Standard) is the analytical standard of Metalaxyl-M (HY-B0843A). This product is intended for research and analytical applications. Metalaxyl-M ((R)-Metalaxyl) is an orally active and selective inhibitor of fungal RNA polymerase, which exerts fungicidal activity by selectively interfering with the synthesis of fungal ribosomal RNA. Metalaxyl-M can also be used to induce inflammation in hepatocytes and regulate tryptophan metabolism. Metalaxyl-M can be used in ecotoxicology studies .

HY-40161R

Indole-3-carboxylic acid (Standard)	Reference Standards Endogenous Metabolite	Metabolic Disease
Indole-3-carboxylic acid (Standard) is the analytical standard of Indole-3-carboxylic acid. This product is intended for research and analytical applications. Indole-3-carboxylic acid is a normal urinary indolic tryptophan metabolite and has been found elevated in patients with liver diseases .

HY-W015273AR

trans-3-Indoleacrylic acid (Standard)	Reference Standards Endogenous Metabolite Ferroptosis	Metabolic Disease Cancer
trans-3-Indoleacrylic acid (Standard) is the analytical standard of trans-3-Indoleacrylic acid. This product is intended for research and analytical applications. Trans-3-Indoleacrylic acid is a tryptophan metabolite, which promotes tumor development through inhibition of RSL3 (HY-100218A) induced ferroptosis via AHR-ALDH1A3-FSP1-CoQ10 axis, and facilitates colorectal carcinogenesis[1]

HY-W008820R

Glutaric acid (Standard)	Reference Standards Endogenous Metabolite	Metabolic Disease
Glutaric acid (Standard) is the analytical standard of Glutaric acid. This product is intended for research and analytical applications. Glutaric acid, C5 dicarboxylic acid, is an intermediate during the catabolic pathways of lysine and tryptophan. Glutaric acid affects pericyte contractility and migration. Glutaric acid is an indicator of glutaric aciduria type I . In Vitro: Glutaric acid (GA) at concentrations of 1 and 2 mM is able to reduce TRAP measurement by up to 28% in a dose-dependent manner (β=0.77; P<0.001). Furthermore, a significantly inverse correlation is also verified between chemiluminescence and TRAP (β=0.81; P<0.001). Glutaric acid does not alter the activities of Cat and SOD, but strongly inhibits (up to 46%) the activity of GPx even at the lower concentration used (0.5 mM). It is observed that the metabolite inhibits this activity in a dose-dependent manner at concentrations as low as 0.05 mM .

HY-N0122R

5-Hydroxytryptophan (Standard) 5-HTP (Standard); DL-5-HydroxyTryptophan (Standard)	Endogenous Metabolite 5-HT Receptor Reference Standards	Neurological Disease Metabolic Disease
5-Hydroxytryptophan (Standard) is the analytical standard of 5-Hydroxytryptophan. This product is intended for research and analytical applications. 5-Hydroxytryptophan, a tryptophan metabolite, is a direct 5-hydroxytryptamine (5-HT) precursor and an L-aromatic amino acid decarboxylase substrate. .

HY-W011978R

*N-Acetyl-L-tryptophan* (Standard)**	Reference Standards Endogenous Metabolite	Metabolic Disease
N-Acetyl-L-tryptophan (Standard) is the analytical standard of N-Acetyl-L-tryptophan. This product is intended for research and analytical applications. N-Acetyl-L-tryptophan is an endogenous metabolite.

HY-W014502R

D-Kynurenine (Standard)	Reference Standards Aryl Hydrocarbon Receptor Endogenous Metabolite	Cancer
D-Kynurenine (Standard) is the analytical standard of D-Kynurenine. This product is intended for research and analytical applications. D-kynurenine, a metabolite of D-tryptophan, can serve as the bioprecursor of kynurenic acid (KYNA) and 3-hydroxykynurenine. D-Kynurenine is an agonist for G protein-coupled receptor, GPR109B. D-Kynurenine is a substrate in a fluorometric assay of D-amino acid oxidase. D-kynurenine promotes epithelial-to-mesenchymal transition via activating aryl hydrocarbon receptor (AHR) .

HY-20897AR

*5-Bromo-L-tryptophan* (Standard)**	Reference Standards Endogenous Metabolite Amino Acid Derivatives Drug Intermediate	Others
5-Bromo-L-tryptophan (Standard) is the analytical standard of 5-Bromo-L-tryptophan (HY-20897A). This product is intended for research and analytical applications. 5-Bromo-L-tryptophan is an α-amino acid derivative that can be found in Semenospongia sp.. 5-Bromo-L-tryptophan can be used to synthesize 5-bromoindole (HY-30236).

HY-W012479R

H-D-Trp-OH (Standard) D-Tryptophan (Standard)	Reference Standards Endogenous Metabolite	Metabolic Disease
H-D-Trp-OH (Standard) is the analytical standard of H-D-Trp-OH. This product is intended for research and analytical applications. H-D-Trp-OH is a D-stereoisomer of tryptophan and occasionally found in naturally produced peptides such as the marine venom peptide.

HY-16724R

Indoximod (Standard) 1-Methyl-D-Tryptophan (Standard); NLG-8189 (Standard)	Indoleamine 2,3-Dioxygenase (IDO) Reference Standards	Cancer
Indoximod (Standard) is the analytical standard of Indoximod. This product is intended for research and analytical applications. Indoximod (1-Methyl-D-tryptophan) is an orally active indoleamine 2,3-dioxygenase (IDO) pathway inhibitor. Indoximod acts as a Trp mimetic in regulating mTOR. Indoximod is an immunometabolic adjuvant used for the research of cancer .

HY-W012480R

*DL-Tryptophan* (Standard)** (±)-Tryptophan (Standard)	Reference Standards Endogenous Metabolite	Metabolic Disease
DL-Tryptophan is an endogenous metabolite.

HY-W011982R

Ac-DL-Trp-OH (Standard) N-Acetyl-DL-Tryptophan (Standard)	Reference Standards Endogenous Metabolite	Metabolic Disease
Ac-DL-Trp-OH (Standard) is the analytical standard of Ac-DL-Trp-OH. This product is intended for research and analytical applications. Ac-DL-Trp-OH is an endogenous metabolite.

HY-14743R

Golotimod (Standard) SCV 07 (Standard); Gamma-D-glutamyl-L-Tryptophan (Standard)	Bacterial STAT Reference Standards	Infection Inflammation/Immunology Cancer
Golotimod (Standard) is the analytical standard of Golotimod. This product is intended for research and analytical applications. Golotimod (SCV-07), an immunomodulating peptide with antimicrobial activity, significantly increases the efficacy of antituberculosis therapy, stimulates thymic and splenic cell proliferation, and improves macrophage function. Golotimod (SCV-07) inhibits STAT3 signaling and modulates the duration and severity of oral mucositis in animal models that received radiation or a combination of radiation and Cisplatin. Golotimod (SCV-07) is also a potential therapeutic for recurrent genital herpes simplex virus type 2 (HSV-2) .

HY-13055BR

Telotristat (Standard) LP-778902 (Standard)	Reference Standards Tryptophan Hydroxylase	Neurological Disease Cancer
Telotristat (Standard) is the analytical standard of Telotristat. This product is intended for research and analytical applications. Telotristat (LP-778902) is a potent tryptophan hydroxylase inhibitor with an in vivo IC₅₀ of 0.028 μM.

HY-B1368R

Fenclonine (Standard) 4-Chloro-DL-phenylalanine (Standard); PCPA (Standard); CP-10188 (Standard)	Tryptophan Hydroxylase Reference Standards	Neurological Disease Cancer
Fenclonine (Standard) is the analytical standard of Fenclonine. This product is intended for research and analytical applications. Fenclonine is a selective and irreversible tryptophan hydroxylase inhibitor, which is a rate-limiting enzyme in the biosynthesis of serotonin. Fenclonine can be used in carcinoid syndrome research .

HY-107512R

Kynurenic acid sodium (Standard)	iGluR Apoptosis Endogenous Metabolite CXCR GPR35 Reference Standards	Neurological Disease Inflammation/Immunology Endocrinology
Kynurenic acid (sodium) (Standard) is the analytical standard of Kynurenic acid (sodium). This product is intended for research and analytical applications. Kynurenic acid sodium, an endogenous tryptophan metabolite, is a broad-spectrum antagonist targeting NMDA, glutamate, α7 nicotinic acetylcholine receptor. Kynurenic acid sodium is also an agonist of GPR35/CXCR8.

HY-W014504R

DL-Kynurenine (Standard)	Reference Standards Endogenous Metabolite	Metabolic Disease
DL-Kynurenine (Standard) is the analytical standard of DL-Kynurenine. This product is intended for research and analytical applications. DL-Kynurenine is a key metabolite in the tryptophan metabolic pathway and can cross the blood-brain barrier. DL-Kynurenine has a bidirectional regulatory effect on neural excitability. DL-Kynurenine can enhance the convulsive and lethal effects caused by strychnine. DL-Kynurenine is the precursor of Kynurenic acid (HY-100806), which is an antagonist at the glycine site of NMDA receptors and can counteract excitatory toxins. DL-Kynurenine can be used for research on neurotoxicity.

HY-12390R

Lofepramine (Standard) Lopramine (Standard)	5-HT Receptor Adrenergic Receptor Reference Standards	Neurological Disease
Lofepramine (Standard) is the analytical standard of Lofepramine. This product is intended for research and analytical applications. Lofepramine (Lopramine) is a modified tricyclic and orally active antidepressant. Lofepramine inhibits the uptake of Noradrenaline (NA) (HY-13715) and 5-hydroxytryptamine (5-HT) with IC50s of 2.7 μM and 11 μM, respectively. Lofepramine exerts its antidepressant activity by promoting noradrenergic neurotransmission. Lofepramine also enhances serotonergic neurotransmission by inhibiting neuronal uptake of 5-HT and tryptophan pyrrolase. Lofepramine exhibits significant anxiolytic properties. .

HY-W001160R

5-Hydroxyindole (Standard)	Reference Standards Endogenous Metabolite nAChR Calcium Channel	Neurological Disease Endocrinology Cancer
5-Hydroxyindole (Standard) is the analytical standard of 5-Hydroxyindole (HY-W001160). This product is intended for research and analytical applications. 5-Hydroxyindole is an orally active hydroxylated indole and tryptophan metabolite. 5-Hydroxyindole activates α7 nicotinic acetylcholine receptors and acts on intestinal L-type calcium channels. 5-Hydroxyindole slows down the desensitization of 5-HT₃ receptor-mediated ion currents in cells. 5-Hydroxyindole causes convulsions and loss of consciousness. 5-Hydroxyindole is used in the study of neuroblastoma, schizophrenia, and diseases related to intestinal motility disorders .

HY-D0233R

Leucocrystal violet (Standard)	Reference Standards Fluorescent Dye	Others
Leucocrystal violet (Standard) is the analytical standard of Leucocrystal violet (HY-D0233). This product is intended for research and analytical applications. Leucocrystal violet is a cationic triarylmethane dye. Leucocrystal violet generates a colored purple product in the presence of hydrogen peroxide and horseradish peroxidase, or when oxidized by periodate under the catalysis of horseradish peroxidase. Leucocrystal violet serves as a chromogenic reagent for the determination of submicrogram-level hydrogen peroxide, with no interference from tryptophan, persulfate or chromate. Leucocrystal violet reacts with blood to produce a purple/violet color in the presence of hydrogen peroxide; it forms a very weak fluorophore when acting with whole blood in an unbuffered solution, with a maximum absorption wavelength of 630 nm and a maximum fluorescence emission wavelength of 665 nm upon excitation at 630 nm. Leucocrystal violet is widely used for staining blood residues on porous and non-porous materials.

HY-Z8704R

*(2S)-2-Amino-3-(3-hydroxy-2-oxoindolin-3-yl)propanoic acid (Tryptophan* Impurity) (Standard)**	Reference Standards
(2S)-2-Amino-3-(3-hydroxy-2-oxoindolin-3-yl)propanoic acid (Tryptophan Impurity) (Standard) is the analytical standard of (2S)-2-Amino-3-(3-hydroxy-2-oxoindolin-3-yl)propanoic acid (Tryptophan Impurity). This product is intended for research and analytical applications.

HY-108681R

680C91 (Standard)	Collagen Reference Standards	Neurological Disease Inflammation/Immunology Cancer
680C91 (Standard) is the analytical standard of 680C91 (HY-108681). This product is intended for research and analytical applications. 680C91 is an orally active, selective tryptophan 2,3-dioxygenase (TDO) inhibitor with a K_i of 51 nM. TDO is the key enzyme of tryptophan catabolism. 680C91 can be used for the research of cancer immunotherapy and Alzheimer’s Disease .

HY-59208R

4-Quinolinol (Standard) Kynurine (Standard)	Endogenous Metabolite Reference Standards	Neurological Disease Cancer
4-Quinolinol (Standard) is the analytical standard of 4-Quinolinol. This product is intended for research and analytical applications. 4-Quinolone (Kynurine) is a quinoline derivative. Kynurine pathway modulates tryptophan metabolism and involves in neuroprotective effect. Kynurine promotes tumor cell survival and motility by suppressing antitumor immune .

HY-136591R

Demoxepam (Standard)	Drug Metabolite Reference Standards	Neurological Disease Cancer
Demoxepam (Standard) is the analytical standard of Demoxepam. This product is intended for research and analytical applications. Demoxepam is a major metabolite of Chlordiazepoxide. Demoxepam exhibits cytotoxicity activity against cancer cell lines. Demoxepam has anticonvulsant and anxiolytic effects. Demoxepam has an inhibitory effect on in vitro [ ³H]tryptophan binding to rat hepatic nuclei .

HY-101456R

PCPA methyl ester hydrochloride (Standard) 4-Chloro-DL-phenylalanine methyl ester hydrochloride (Standard)	Tryptophan Hydroxylase Reference Standards 5-HT Receptor	Neurological Disease
PCPA methyl ester (hydrochloride) (Standard) is the analytical standard of PCPA methyl ester (hydrochloride) (HY-101456). This product is intended for research and analytical applications. PCPA methyl ester hydrochloride (4-Chloro-DL-phenylalanine methyl ester hydrochloride), a reversible tryptophan hydroxylase inhibitor, is a serotonin (5-HT) synthesis inhibitor. PCPA methyl ester hydrochloride crosses the blood brain barrier and reduces 5-HT central availability .

HY-W011910R

Potassium 1H-indol-3-yl sulfate (Standard)	Endogenous Metabolite Reference Standards Aryl Hydrocarbon Receptor Cytochrome P450 UGT Interleukin Related	Endocrinology
Potassium 1H-indol-3-yl sulfate (Standard) is the analytical standard of Potassium 1H-indol-3-yl sulfate (HY-W011910). This product is intended for research and analytical applications. Potassium 1H-indol-3-yl sulfate is a metabolite of tryptophan, produced by intestinal microorganisms and combined with sulfate in the liver before entering the circulatory system. Potassium 1H-indol-3-yl sulfate is a potent endogenous agonist of the aryl hydrocarbon receptor (AhR) and a urinary toxin. Potassium 1H-indol-3-yl sulfate can be used for research on kidney diseases.

Cat. No.	상품명	Type

HY-D0233R

Leucocrystal violet (Standard)	Fluorescent Dyes
Leucocrystal violet (Standard) is the analytical standard of Leucocrystal violet (HY-D0233). This product is intended for research and analytical applications. Leucocrystal violet is a cationic triarylmethane dye. Leucocrystal violet generates a colored purple product in the presence of hydrogen peroxide and horseradish peroxidase, or when oxidized by periodate under the catalysis of horseradish peroxidase. Leucocrystal violet serves as a chromogenic reagent for the determination of submicrogram-level hydrogen peroxide, with no interference from tryptophan, persulfate or chromate. Leucocrystal violet reacts with blood to produce a purple/violet color in the presence of hydrogen peroxide; it forms a very weak fluorophore when acting with whole blood in an unbuffered solution, with a maximum absorption wavelength of 630 nm and a maximum fluorescence emission wavelength of 665 nm upon excitation at 630 nm. Leucocrystal violet is widely used for staining blood residues on porous and non-porous materials.

Leucocrystal violet (Standard)

Fluorescent Dyes

Leucocrystal violet (Standard) is the analytical standard of Leucocrystal violet (HY-D0233). This product is intended for research and analytical applications. Leucocrystal violet is a cationic triarylmethane dye. Leucocrystal violet generates a colored purple product in the presence of hydrogen peroxide and horseradish peroxidase, or when oxidized by periodate under the catalysis of horseradish peroxidase. Leucocrystal violet serves as a chromogenic reagent for the determination of submicrogram-level hydrogen peroxide, with no interference from tryptophan, persulfate or chromate. Leucocrystal violet reacts with blood to produce a purple/violet color in the presence of hydrogen peroxide; it forms a very weak fluorophore when acting with whole blood in an unbuffered solution, with a maximum absorption wavelength of 630 nm and a maximum fluorescence emission wavelength of 665 nm upon excitation at 630 nm. Leucocrystal violet is widely used for staining blood residues on porous and non-porous materials.

Cat. No.	상품명	Target	Research Area

HY-20897AR

*5-Bromo-L-tryptophan* (Standard)**	Reference Standards Endogenous Metabolite Amino Acid Derivatives Drug Intermediate	Others
5-Bromo-L-tryptophan (Standard) is the analytical standard of 5-Bromo-L-tryptophan (HY-20897A). This product is intended for research and analytical applications. 5-Bromo-L-tryptophan is an α-amino acid derivative that can be found in Semenospongia sp.. 5-Bromo-L-tryptophan can be used to synthesize 5-bromoindole (HY-30236).

HY-14743R

Golotimod (Standard) SCV 07 (Standard); Gamma-D-glutamyl-L-Tryptophan (Standard)	Bacterial STAT Reference Standards	Infection Inflammation/Immunology Cancer
Golotimod (Standard) is the analytical standard of Golotimod. This product is intended for research and analytical applications. Golotimod (SCV-07), an immunomodulating peptide with antimicrobial activity, significantly increases the efficacy of antituberculosis therapy, stimulates thymic and splenic cell proliferation, and improves macrophage function. Golotimod (SCV-07) inhibits STAT3 signaling and modulates the duration and severity of oral mucositis in animal models that received radiation or a combination of radiation and Cisplatin. Golotimod (SCV-07) is also a potential therapeutic for recurrent genital herpes simplex virus type 2 (HSV-2) .

L-Kynurenine (Standard) Maximum Cited Publications 25 Publications Verification	Structural Classification Alkaloids Human Gut Microbiota Metabolites Ketones, Aldehydes, Acids Endogenous metabolite Source Classification	Reference Standards Aryl Hydrocarbon Receptor Endogenous Metabolite
L-Kynurenine (Standard) is the analytical standard of L-Kynurenine. This product is intended for research and analytical applications. L-Kynurenine is a metabolite of the amino acid L-tryptophan. L-Kynurenine is an aryl hydrocarbon receptor agonist.

*L-Tryptophan* (standard)** 10+ Cited Publications Tryptophan (Standard); Tryptophane (Standard)	Structural Classification Alkaloids Ketones, Aldehydes, Acids Endogenous metabolite Source Classification	Others Reference Standards
L-Tryptophan (standard) is the analytical standard of L-Tryptophan. L-Tryptophan (Tryptophan) is an orally active and essential amino acid that is the precursor of serotonin, melatonin, and vitamin B3. L-Tryptophan can promote an increase in stemness and osteogenic ability of BMSCs in vitro and in vivo. L-Tryptophan inhibits cell proliferation and induced cell cycle arrest with high levels .

Kynurenic acid (Standard) 5+ Cited Publications Quinurenic acid (Standard)	Structural Classification Alkaloids Human Gut Microbiota Metabolites Microorganisms Ketones, Aldehydes, Acids Quinoline Alkaloids Endogenous metabolite Source Classification	Reference Standards iGluR Endogenous Metabolite Apoptosis CXCR GPR35
Kynurenic acid (Standard) is the analytical standard of Kynurenic acid. This product is intended for research and analytical applications. Kynurenic acid, an endogenous tryptophan metabolite, is a broad-spectrum antagonist targeting NMDA, glutamate, α7 nicotinic acetylcholine receptor. Kynurenic acid is also an agonist of GPR35/CXCR8.

Quinolinic acid (Standard) 5+ Cited Publications	Structural Classification Alkaloids Microorganisms Ketones, Aldehydes, Acids Disease markers Pyridine Alkaloids Nervous System Disorder Endogenous metabolite Source Classification	Reference Standards iGluR Endogenous Metabolite Reactive Oxygen Species (ROS) NO Synthase Apoptosis
Quinolinic acid (Standard) is the analytical standard of Quinolinic acid. This product is intended for research and analytical applications. Quinolinic acid, an endogenous metabolite of tryptophan, is a N-methyl-D-aspartate receptor (NMDA receptor) agonist. Quinolinic acid increases glutamate efflux, induces the generation of ROS, activates nitric oxide synthase, produces excessive NO, leading to calcium ion influx and neuronal apoptosis.

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(±)-Tryptophan (Standard)

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