Exact Mass: 203.0192
Exact Mass Matches: 203.0192
Found 500 metabolites which its exact mass value is equals to given mass value 203.0192
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within given mass tolerance error 0.05 dalton. Try search metabolite list with more accurate mass tolerance error
0.01 dalton.
Indolepyruvate
The thiamin diphosphate (ThDP)-dependent enzyme indolepyruvate decarboxylase (IPDC) is involved in the biosynthetic pathway of the phytohormone 3-indoleacetic acid and catalyzes the nonoxidative decarboxylation of 3-indolepyruvate to 3-indoleacetaldehyde and carbon dioxide. (PMID:15835904)  In addition, the enzyme was compared with the phenylpyruvate decarboxylase from Azospirillum brasilense and the indolepyruvate decarboxylase from Enterobacter cloacae. (PMID:21501384) Indole-3-pyruvate is a microbial metabolite, urinary indole-3-pyruvate is produced by Clostridium sporogenes (PMID:29168502) and Trypanasoma brucei (PMID:27856732). Indolepyruvate, also known as indolepyruvic acid or (indol-3-yl)pyruvate, belongs to indolyl carboxylic acids and derivatives class of compounds. Those are compounds containing a carboxylic acid chain (of at least 2 carbon atoms) linked to an indole ring. Indolepyruvate is practically insoluble (in water) and a weakly acidic compound (based on its pKa). Indolepyruvate can be found in a number of food items such as spelt, strawberry, gram bean, and oregon yampah, which makes indolepyruvate a potential biomarker for the consumption of these food products. Indolepyruvate exists in all eukaryotes, ranging from yeast to humans. D002492 - Central Nervous System Depressants > D014149 - Tranquilizing Agents > D014151 - Anti-Anxiety Agents D002491 - Central Nervous System Agents > D011619 - Psychotropic Drugs > D014149 - Tranquilizing Agents D002491 - Central Nervous System Agents > D002492 - Central Nervous System Depressants D002491 - Central Nervous System Agents > D000927 - Anticonvulsants D000975 - Antioxidants > D016166 - Free Radical Scavengers D020011 - Protective Agents > D000975 - Antioxidants KEIO_ID I002
Cystathionine ketimine
D-cystathionine ketimine and L-cystathionine ketimine enhance superoxide generation by human neutrophils in a different manner. D-Cystathionine Ketimine enhanced seryl phosphorylation of 16. 5-kDa protein in human neutrophils, while L-Cystathionine Ketimine enhanced tyrosyl phosphorylation of 45-kDa protein.(PMID: 10049498). Among the cystathionine metabolites, cystathionine ketimine and N-acetyl-S-(3-oxo-3-carboxy-n-propyl) cysteine (NAc-OCPC) significantly enhanced the N-formylmethionylleucylphenylalanine (fMLP)-induced superoxide generation, but cystathionine, NAc-cystathionine, and cyclothionine did not enhance the superoxide generation. Cystathionine ketimine and NAc-OCPC also enhanced superoxide generation induced by opsonized zymosan (OZ) but not that induced by arachidonic acid (AA) and phorbol 12-myristate 13-acetate (PMA). Superoxide generation induced by cystathionine ketimine and NAc-OCPC was inhibited by genistein, an inhibitor of tyrosine kinase, and was enhanced by 1-(5-isoquinoline sulfonyl)-2-methylpiperazine (H-7), an inhibitor of protein kinase C.(PMID: 10708546) [HMDB] Cystathionine ketimine (CT) is a cyclic amino acid that was found to have a priming effect on superoxide generation in human neutrophils (PMID: 10708546). D-Cystathionine ketimine and L-cystathionine ketimine enhance superoxide generation by human neutrophils in two different manners. D-Cystathionine ketimine enhanced seryl phosphorylation of 16.5-kDa protein in human neutrophils, while L-cystathionine ketimine enhanced tyrosyl phosphorylation of 45-kDa protein (PMID: 10049498). Cystathionine ketimine was found in the urine of a cystathioninuria patient (PMID: 8373176).
N-Acetyl-S-allylcysteine
S-Allylmercapturic acid
4-(2-Aminoethyl)benzenesulfonyl fluoride
D004791 - Enzyme Inhibitors > D011480 - Protease Inhibitors > D015842 - Serine Proteinase Inhibitors
Cytosine phosphate
Magnesium cyclamate
It is used as a food additive, prohibited .
(2R,3S)-2-methylisocitrate
(2r,3s)-2-methylisocitrate, also known as methylisocitric acid or (2s,3r)-3-hydroxybutane-1,2,3-tricarboxylate, belongs to tricarboxylic acids and derivatives class of compounds. Those are carboxylic acids containing exactly three carboxyl groups (2r,3s)-2-methylisocitrate is soluble (in water) and a weakly acidic compound (based on its pKa). (2r,3s)-2-methylisocitrate can be found in a number of food items such as green zucchini, cinnamon, fig, and nanking cherry, which makes (2r,3s)-2-methylisocitrate a potential biomarker for the consumption of these food products.
4-(2-Aminoethyl)benzenesulfonyl fluoride
D004791 - Enzyme Inhibitors > D011480 - Protease Inhibitors > D015842 - Serine Proteinase Inhibitors
S-Allylmercapturic acid
N-acetyl-S-allylcysteine is a N-acyl-L-amino acid.
3-NITROBENZENESULFONIC ACID
CONFIDENCE standard compound; INTERNAL_ID 4067
Chininsaure
Quininic acid is a natural product found in Abutilon theophrasti with data available. Quininic acid, purified from Eucalyptus globulus, cinchona bark, and other plant products, is the most abundant organic acid[1].
Indole-3-pyrubate
D002492 - Central Nervous System Depressants > D014149 - Tranquilizing Agents > D014151 - Anti-Anxiety Agents D002491 - Central Nervous System Agents > D011619 - Psychotropic Drugs > D014149 - Tranquilizing Agents D002491 - Central Nervous System Agents > D002492 - Central Nervous System Depressants D002491 - Central Nervous System Agents > D000927 - Anticonvulsants D000975 - Antioxidants > D016166 - Free Radical Scavengers D020011 - Protective Agents > D000975 - Antioxidants
Trichlormethine
D000970 - Antineoplastic Agents > D018906 - Antineoplastic Agents, Alkylating > D009588 - Nitrogen Mustard Compounds C274 - Antineoplastic Agent > C186664 - Cytotoxic Chemotherapeutic Agent > C2842 - DNA Binding Agent
Cystathionine ketimine
A 1-thia-4-azacyclohepta-3-ene-3,5-dicarboxylic acid that has R-configuration. It is cyclic sulfur-containing imino acid detected in bovine brain extracts.
4-(trifluoromethyl)-2H-pyrrolo[1,2-d][1,2,4]triazin-1-one
(3,5-BIS-CARBOXYMETHYL-2,4,6-TRIMETHYL-PHENYL)-ACETICACID
ethyl 4-methyl-2-sulfanylidene-3H-1,3-thiazole-5-carboxylate
6-METHYL-2-OXO-1,2-DIHYDRO-4-QUINOLINECARBOXYLIC ACID
2-(3-ethyl-2,4-dioxo-1,3-thiazolidin-5-yl)acetic acid
7-Trifluoromethyl-3,4-dihydro-2H-benzo[1,4]oxazine
1-[(4R)-4-propan-2-yl-2-sulfanylidene-1,3-thiazolidin-3-yl]ethanone
2-TRIFLUOROMETHYL-5,6,7,8-TETRAHYDROPYRIDO[4,3-D]PYRIMIDINE
Methyl 1-oxo-1,2-dihydroisoquinoline-3-carboxylate
6-CHLORO-2,3-DIHYDRO-1H-INDEN-1-AMINE HYDROCHLORIDE
8-Chloro-1,2,3,4-tetrahydroisoquinoline hydrochloride
2,4-Dichloro-5,6,7,8-tetrahydropyrido[3,4-d]pyrimidine
(3-Amino-4-methoxyphenyl)boronic acid hydrochloride
6-chloro-1,2,3,4-tetrahydroisoquinoline hydrochloride
2-methyl-4-oxo-1,4-dihydro-quinoline-6-carboxylic acid
1-(2-Amino-5-methylphenyl)-2,2,2-trifluoroethanone
(1R)-1-(4-methylsulfanylphenyl)ethanamine,hydrochloride
5-Chloro-1,2,3,4-tetrahydroquinoline hydrochloride
2-amino-6-fluoro-2,3-dihydro-1H-inden-1-ol,hydrochloride
5-CHLORO-1,2,3,4-TETRAHYDROISOQUINOLINE HYDROCHLORIDE
4-HYDROXY-QUINOLINE-8-CARBOXYLIC ACID METHYL ESTER
5-chloro-2,3-dihydro-1,2-benzothiazole 1,1-dioxide
4-amino-6-chloro-2-methylsulfanylpyrimidine-5-carbaldehyde
6-(DIFLUOROMETHYL)-4-METHYL-1H-PYRAZOLO[3,4-B]-PYRIDIN-3-AMINE
5-CHLORO-2,3-DIHYDRO-1H-INDEN-1-AMINE HYDROCHLORIDE
(S)-1-(4-isopropyl-2-thioxothiazolidin-3-yl)ethanone
Pyridoxal hydrochloride
A hydrochloride obtained by combining pyridoxal with one molar equivalent of hydrochloric acid. Pyridoxal hydrochloride is an endogenous metabolite.
3-CYANO-2-OXO-3-PHENYL-PROPIONIC ACID METHYL ESTER
4-METHOXY-PYRIDINE-2-CARBOXYLIC ACID METHYL ESTER HCL
5,6,7,8-tetrahydropyrido[4,3-d]pyrimidine-2,4(1H,3H)-dione hydrochloride
8-METHYL-2-OXO-1,2-DIHYDRO-QUINOLINE-3-CARBOXYLIC ACID
2-Thiophenecarboxylicacid,3-hydroxy-4-nitro-,methylester(7CI,9CI)
1-Naphthalenecarboxylicacid,4-amino-3-hydroxy-(9CI)
Methyl 1-oxo-1,2-dihydroisoquinoline-7-carboxylate
Thieno[2,3-b]pyridine-3-carbonitrile, 2-amino-4,6-dimethyl- (9CI)
4-Quinolinecarboxylicacid,3-hydroxy-,methylester(9CI)
N-METHYL-N-(3-FLUOROPHENYL)-THIOCARBAMOYL CHLORIDE
4,5,6,7-Tetrahydro-1H-pyrazolo[4,3-c]pyridine-3-carboxylic acid hydrochloride
2-(trifluoromethyl)-5,6,7,8-tetrahydropyrido[3,4-d]pyrimidine
(1S)-1-(4-methylsulfanylphenyl)ethanamine,hydrochloride
8-(trifluoromethyl)-3,4-dihydro-2H-1,4-benzoxazine
6-(TRIFLUOROMETHYL)-3,4-DIHYDRO-2H-BENZO[B][1,4]OXAZINE HYDROCHLORIDE
2,3-dihydro-2-thioxo-4-thiazoleacetic acid ethyl ester
2,4-Dichloro-5,6,7,8-tetrahydropyrido[4,3-d]pyrimidine
6-METHYL-2-OXO-1,2-DIHYDRO-QUINOLINE-3-CARBOXYLIC ACID
trans-4-Trifluoromethyl-cyclohexylamine hydrochloride
4-Quinolinecarboxylicacid, 1,2-dihydro-3-methyl-2-oxo-
7-METHYL-2-OXO-1,2-DIHYDRO-QUINOLINE-3-CARBOXYLIC ACID
trans-2-(2-Chlorophenyl)cyclopropanamine hydrochloride
(2-AMINO-2-BENZO[1,3]DIOXOL-5-YL-ETHYL)-CARBAMICACIDTERT-BUTYLESTER
6-(5-amino-1,2,4-thiadiazol-3-yl)pyridine-3-carbonitrile
3-Quinolinecarboxylic acid, 1,4-dihydro-8-methyl-4-oxo-
4-CHLOROMETHYL-5-METHYL-ISOXAZOLE-3-CARBOXYLIC ACID ETHYL ESTER
2-Naphthalenecarboxylicacid,6-amino-4-hydroxy-(9CI)
METHYL 1-OXO-1,2-DIHYDROISOQUINOLINE-4-CARBOXYLATE
2-METHYL-4-OXO-1,4-DIHYDRO-QUINOLINE-8-CARBOXYLIC ACID
(5S)-2,5,6,7-Tetrahydro-1,4-thiazepine-3,5-dicarboxylic acid
1,4-Dihydroxy-2-naphthoate
A hydroxy monocarboxylic acid anion that is the conjugate base of 1,4-dihydroxy-2-naphthoic acid.
(2S,3S)-2-Methylcitrate
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(E)-3-(3,4-dioxocyclohexa-1,5-dien-1-yl)-2-isocyanoprop-2-enoic acid
2,5,6,7-Tetrahydro-1,4-thiazepine-3,5-dicarboxylic acid
(2S)-2-azaniumyl-5-[(carboxylatomethyl)amino]-5-oxopentanoate
(2S,3R)-3-Hydroxybutane-1,2,3-tricarboxylate
A tricarboxylic acid trianion resulting from the deprotonation of all three carboxy groups of (2S,3R)-3-hydroxybutane-1,2,3-tricarboxylic acid.
paerucumarin
A hydroxycoumarin that is coumarin substituted by an isocyano group at position 3 and hydroxy groups at positions 6 and 7.
Ala-Asp(1-)
A peptide anion obtained by protonation of the amino group and deprotonation of the two carboxy groups of Ala-Asp.
gamma-Glu-Gly(1-)
A peptide anion that is the conjugate base of gamma-Glu-Gly, obtained by removal of protons from the two carboxy groups as well as protonation of the amino group; major species at pH 7.3.
trifluoro-L-methionine
An L-alpha-amino acid, methionine, with the S-methyl group trifluoro-substituted.
3-(indol-3-yl)Pyruvic acid
A 2-oxo monocarboxylic acid that is pyruvic acid substituted by a 1H-indol-3-yl group at position 3. It has been found in Lycopersicon esculentum
2-Methylcitrate(3-)
A tricarboxylic acid trianion that is the conjugate base of 2-methylcitric acid.
Gly-Glu(1-)
A peptide anion that is the conjugate base of Gly-Glu, obtained by deprotonation of the terminal and side-chain carboxy groups and protonation of the terminal amino group.
(2S,3S)-2-methylcitrate(3-)
Trianion arising from deprotonation of all three carboxylic acid groups of (2S,3S)-2-methylcitric acid.