Exact Mass: 193.0368778
Exact Mass Matches: 193.0368778
Found 236 metabolites which its exact mass value is equals to given mass value 193.0368778,
within given mass tolerance error 0.01 dalton. Try search metabolite list with more accurate mass tolerance error
0.001 dalton.
L-Dopachrome
Dopachrome is a cyclization product of L-DOPA and is an intermediate in the biosynthesis of melanin. Dopaquinone has an ortho-quinone ring, which is known to be neurotoxic and highly reactive with many other compounds (PMID: 413870). Dopachrome spontaneously gives rise to 5,6-dihydroxyindole (DHI) or it can be enzymatically metabolized by dopachrome tautomerase to give 5,6-dihydroxyindole-2-carboxylic acid (DHICA). DHI and its oxidation products are also toxic to cells. Many Parkinsons patients are treated with L-DOPA. However, long-term treatment with L-DOPA may actually worsen symptoms or may result in neurotic and psychotic symptoms. These may be due to dopachrome and dopaquinone accumulating in the brain of L-DOPA treated patients (PMID: 19131041, PMID: 12373519). The non-decarboxylative tautomerization of L-dopachrome to 5,6-dihydroxyindole-2-carboxylic acid in the melanin biosynthetic pathway is catalyzed by Tyrosinase-related protein-2, a melanocyte-specific enzyme. (PMID 11095412) [HMDB]
5,6-Dihydroxyindole-2-carboxylic acid
5,6-Dihydroxyindole-2-carboxylic acid is an intermediate in the metabolism of Tyrosine. It is a substrate for Dopachrome tautomerase. [HMDB] 5,6-Dihydroxyindole-2-carboxylic acid is an intermediate in the metabolism of Tyrosine. It is a substrate for Dopachrome tautomerase.
3-Amino-4,7-dihydroxycoumarin
A hydroxycoumarin that is 4,7-dihydroxycoumarin bearing an additional amino substituent at positions 3.
D-Dopachrome
D-dopachrome is reversibly converted into 5,6-dihydroxyindole and carbon dioxide via the enzyme D-dopachrome decarboxylase (EC 4.1.1.84). Cultured human melanoma cells contain this enzyme as well as human liver (PMID: 8267597). Dopaquinone has an ortho-quinone ring, which is known to be neurotoxic and highly reactive with many other compounds (PMID: 413870). D-dopachrome is reversibly converted to 5,6-dihydroxyindole and carbon dioxide via the enzyme D-dopachrome decarboxylase (EC 4.1.1.84). (KEGG) Cultured human melanoma cells contain this enzyme as well as human liver. (PMID 8267597) [HMDB]
5,6-Dioxo-3,7-dihydro-2H-indole-2-carboxylic acid
2(1H)-Quinolinone,4-chloro-1-methyl-
C10H8ClNO (193.02943879999998)
7-CHLORO-4-HYDROXY-2-METHYLQUINOLINE
C10H8ClNO (193.02943879999998)
methyl 5-(trifluoromethyl)-1H-pyrrole-2-carboxylate
3-(2-CHLOROPHENYL)-5-METHYLISOOXAZOLE
C10H8ClNO (193.02943879999998)
7-chloro-3-methyl-1H-indole-2-carbaldehyde
C10H8ClNO (193.02943879999998)
1H-Benzimidazole-5-carboxamide,2,3-dihydro-2-thioxo-(9CI)
7-Chloro-8-methyl-2(1H)-quinolinone
C10H8ClNO (193.02943879999998)
3-Oxo-3,4-dihydro-2H-1,4-benzoxazine-6-carboxylic acid
3-OXO-3,4-DIHYDRO-2H-BENZO[B][1,4]OXAZINE-5-CARBOXYLIC ACID
4-(4-chlorophenyl)-4-oxobutanenitrile
C10H8ClNO (193.02943879999998)
Ethanone, 1-(6-chloro-1H-indol-3-yl)-
C10H8ClNO (193.02943879999998)
Methyl 2-oxo-2,3-dihydro-1,3-benzoxazole-6-carboxylate
1-(3-AMINO-4,6-DIMETHYLTHIENO[2,3-B]PYRIDIN-2-YL)ETHANONE
4-AMINOMETHYL-1-(4-METHOXY-PHENYL)-PYRROLIDIN-2-ONE
8-CHLORO-4-METHYLQUINOLIN-2(1H)-ONE
C10H8ClNO (193.02943879999998)
1-methyl-2-(1,3-thiazol-2-yl)imidazole-4-carbaldehyde
NATRIUM-3-(METHOXYCARBONYL)-2-OXO-1,2,5,6-TETRAHYDROPYRIDINE4-OLAAT
C7H8NNaO4 (193.03510079999998)
3-(Chloromethyl)-5-phenylisoxazole
C10H8ClNO (193.02943879999998)
8-chloro-2-methyl-1H-quinolin-5-one
C10H8ClNO (193.02943879999998)
7-chloro-2-methyl-4(1h)-quinolinone
C10H8ClNO (193.02943879999998)
N1-(3-ETH-1-YNYLPHENYL)-2-CHLOROACETAMIDE
C10H8ClNO (193.02943879999998)
4-Amino-1,1-dioxo-tetrahydro-2H-thiopyran-4-carboxylic acid
2-(4-chlorophenyl)-3-oxobutanenitrile
C10H8ClNO (193.02943879999998)
6-methoxy-2-(trifluoromethyl)pyrimidin-4-amine
C6H6F3N3O (193.04629419999998)
1H-Benzimidazole-4-carboxamide,2,3-dihydro-2-thioxo-
3-OXO-3,4-DIHYDRO-2H-BENZO[B][1,4]OXAZINE-8-CARBOXYLIC ACID
4-Methoxy-6-(trifluoromethyl)-2-pyrimidinamine
C6H6F3N3O (193.04629419999998)
7,8-difluoroquinoline-2-carbaldehyde
C10H5F2NO (193.03391839999998)
1H-Indole-3-carbonylchloride,1-methyl-(9CI)
C10H8ClNO (193.02943879999998)
3-CHLORO-4-METHYLQUINOLIN-2(1H)-ONE
C10H8ClNO (193.02943879999998)
5-Chloro-2-methyl-1H-indole-3-carbaldehyde
C10H8ClNO (193.02943879999998)
5-Chloro-7-methyl-1H-indole-3-carbaldehyde
C10H8ClNO (193.02943879999998)
5,7-difluoroquinoline-6-carbaldehyde
C10H5F2NO (193.03391839999998)
1H-Pyrazole-4-carboxamide, 1-methyl-3-(trifluoromethyl)
C6H6F3N3O (193.04629419999998)
2-CHLORO-1-METHYL-1H-INDOLE-3-CARBALDEHYDE
C10H8ClNO (193.02943879999998)
1-(5-Chloro-1H-indol-3-yl)ethanone
C10H8ClNO (193.02943879999998)
3-CHLORO-3-(4-METHOXYPHENYL)ACRYLONITRILE
C10H8ClNO (193.02943879999998)
2-(chloromethyl)-1H-quinolin-4-one
C10H8ClNO (193.02943879999998)
2-(chloromethyl)-4-phenyl-1,3-oxazole
C10H8ClNO (193.02943879999998)
(Z)-3-chloro-3-(4-methoxyphenyl)acrylonitrile
C10H8ClNO (193.02943879999998)
3-(BENZOYLTHIO)-2-METHYLPROPIONICACID
C10H8ClNO (193.02943879999998)
6-CHLORO-4-HYDROXY-8-METHYLQUINOLINE
C10H8ClNO (193.02943879999998)
8-CHLORO-4-HYDROXY-6-METHYLQUINOLINE
C10H8ClNO (193.02943879999998)
5-chloro-8-methyl-1H-quinolin-2-one
C10H8ClNO (193.02943879999998)
Methyl 2-oxo-2,3-dihydro-1,3-benzoxazole-5-carboxylate
3-Oxo-3,4-dihydro-2H-1,4-benzoxazine-7-carboxylicacid
2-(Chloromethyl)-5-phenyl-1,3-oxazole
C10H8ClNO (193.02943879999998)
2-Chloro-6-ethyl-5-fluoro-4-hydroxy pyrimidine ammonium salt
C6H9ClFN3O (193.04181459999998)
1-METHYL-1H-INDOLE-2-CARBONYL CHLORIDE
C10H8ClNO (193.02943879999998)
2-(2-(methylthio)pyrimidin-4-yl)-3-oxopropanenitrile
6-Chloro-4-methylquinolin-2(1H)-one
C10H8ClNO (193.02943879999998)
5-Chloro-3-methyl-1H-indole-2-carbaldehyde
C10H8ClNO (193.02943879999998)
5-(CHLOROMETHYL)-3-PHENYLISOXAZOLE
C10H8ClNO (193.02943879999998)
D-Glucopyranuronic acid, ion(1-)
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beta-D-glucuronate
A D-glucopyranuronate that has beta configuration at the anomeric centre.
Aldehydo-L-iduronate
An iduronate that is the conjugate base of aldehydo-L-iduronic acid, obtained by deprotonation of the carboxy group; major species at pH 7.3.
5-dehydro-D-Gluconate
A carbohydrate acid anion that is the conjugate base of 5-dehydro-D-gluconic acid, obtained by deprotonation of the carboxy group; major species at pH 7.3.
2-Dehydro-D-gluconate
A keto-D-gluconate that is the conjugate base of 2-dehydro-D-gluconic acid, obtained by deprotonation of the carboxy group.
aldehydo-D-glucuronate
A D-glucuronate resulting from the deprotonation of the carboxy group of aldehydo-D-glucuronic acid; the major species at pH 7.3.
(2S,4R,5S)-2,4,5,6-tetrahydroxy-3-oxohexanoate
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beta-D-Galacturonate
A D-galactopyranuronate that has beta configuration at the anomeric centre.
5-dehydro-L-gluconate
A ketogluconate that is the conjugate base of 5-dehydro-L-gluconic acid, obtained by deprotonation of the carboxy group. Major microspecies at pH 7.3
(2S,3R,4S,5R)-3,4,5,6-tetrahydroxyoxane-2-carboxylate
alpha-D-Galacturonate
A carbohydrate acid anion that is the conjugate base of alpha-D-galacturonic acid, obtained by deprotonation of the carboxy group; major species at pH 7.3. D000074385 - Food Ingredients > D005503 - Food Additives > D010368 - Pectins
gamma-Thiomethyl glutamate
A glutamic acid derivative with a methylsulfanyl group at position 4.
3,4,5,6-Tetrahydroxy-tetrahydro-2H-pyran-2-carboxylate
(2R,3S,4S,5R)-3,4,5,6-tetrahydroxyoxane-2-carboxylate
(2S,3S,4S,5S)-3,4,5,6-tetrahydroxyoxane-2-carboxylate
(2R)-2-acetamido-3-[(R)-methylsulfinyl]propanoic acid
5,6-dihydroxyindole-2-carboxylic acid
A dihydroxyindole that is indole-2-carboxylic acid substituted by hydroxy groups at positions 5 and 6.
N-carboxy-L-methionine
A non-proteinogenic L-alpha-amino acid that is L-methionine in which one of the hydrogens attached to the amino group bas been replaced by a carboxy group.
D-galactopyranuronate
A carbohydrate acid anion that is the conjugate base of D-galactopyranuronic acid, obtained by deprotonation of the carboxy group.
uranidine
A quinolone that is quinolin-4(1H)-one substituted by hydroxy groups at positions 3, 5, and 8. It is isolated from the sponge Aplysina aerophoba.
D-glucopyranuronate
A carbohydrate acid anion that is the conjugate base of D-glucopyranuronic acid.
3-Dehydro-L-gulonate
The conjugate base of 3-dehydro-L-gulonic acid; major species at pH 7.3.
3,4,5,8-quinolinetetrol
A hydroxyquinoline that is quinoline substituted by hydroxy groups at positions 3, 4, 5, and 8.