Exact Mass: 203.0149
Exact Mass Matches: 203.0149
Found 496 metabolites which its exact mass value is equals to given mass value 203.0149,
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
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
(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
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,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.
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.
(2S,3S)-2-methylcitrate(3-)
Trianion arising from deprotonation of all three carboxylic acid groups of (2S,3S)-2-methylcitric acid.
