Exact Mass: 256.998945512
Exact Mass Matches: 256.998945512
Found 246 metabolites which its exact mass value is equals to given mass value 256.998945512,
within given mass tolerance error 0.05 dalton. Try search metabolite list with more accurate mass tolerance error
0.01 dalton.
Formothion
C6H12NO4PS2 (256.99453619999997)
C471 - Enzyme Inhibitor > C47792 - Acetylcholinesterase Inhibitor D010575 - Pesticides > D007306 - Insecticides D016573 - Agrochemicals
5,7-Dichlorokynurenic acid
D018377 - Neurotransmitter Agents > D018683 - Excitatory Amino Acid Agents > D018691 - Excitatory Amino Acid Antagonists 5,7-Dichlorokynurenic acid (5,7-DCKA) is a selective and competitive antagonist of the glycine site on NMDA receptor with a KB of 65 nM. 5,7-Dichlorokynurenic acid, a derivative of kynurenic acid, reduced NMDA-induced neuron injury in rat cortical cell cultures[1].
(E)-5-(Quinoxalin-6-ylmethylene)thiazolidine-2,4-dione
C12H7N3O2S (257.02589620000003)
cephalosporanic acid
C10H11NO5S (257.03579160000004)
Cystemustine
C274 - Antineoplastic Agent > C186664 - Cytotoxic Chemotherapeutic Agent > C2842 - DNA Binding Agent D000970 - Antineoplastic Agents
Trisodium nitrilotriacetate
D064449 - Sequestering Agents > D002614 - Chelating Agents It is used as a food additive .
Romifidine
D002491 - Central Nervous System Agents > D002492 - Central Nervous System Depressants > D000777 - Anesthetics D018377 - Neurotransmitter Agents > D018663 - Adrenergic Agents > D000322 - Adrenergic Agonists C78272 - Agent Affecting Nervous System > C47794 - Serotonin Agonist Romifidine is an α2 adrenergic receptor agonist. Romifidine shows sedation effects in vivo[1][2].
alpha-(2,4-dichlorophenyl)-1H-1,2,4-triazole-1-ethanol
2-[2,6-Bis(methylthio)-4-hydroxyphenyl]diazenecarboxamide
5,7-Dichlorokynurenic acid
D018377 - Neurotransmitter Agents > D018683 - Excitatory Amino Acid Agents > D018691 - Excitatory Amino Acid Antagonists 5,7-Dichlorokynurenic acid (5,7-DCKA) is a selective and competitive antagonist of the glycine site on NMDA receptor with a KB of 65 nM. 5,7-Dichlorokynurenic acid, a derivative of kynurenic acid, reduced NMDA-induced neuron injury in rat cortical cell cultures[1].
PRP_M258
CONFIDENCE Transformation product, tentative ID (Level 2b); INTERNAL_ID 2403
4-(3-Oxobutanamido)benzenesulfonic acid
C10H11NO5S (257.03579160000004)
CONFIDENCE standard compound; INTERNAL_ID 1082; DATASET 20200303_ENTACT_RP_MIX507; DATA_PROCESSING MERGING RMBmix ver. 0.2.7; DATA_PROCESSING PRESCREENING Shinyscreen ver. 0.8.0; ORIGINAL_ACQUISITION_NO 1016; ORIGINAL_PRECURSOR_SCAN_NO 1015 CONFIDENCE standard compound; INTERNAL_ID 1082; DATASET 20200303_ENTACT_RP_MIX507; DATA_PROCESSING MERGING RMBmix ver. 0.2.7; DATA_PROCESSING PRESCREENING Shinyscreen ver. 0.8.0; ORIGINAL_ACQUISITION_NO 1014; ORIGINAL_PRECURSOR_SCAN_NO 1013 CONFIDENCE standard compound; INTERNAL_ID 1082; DATASET 20200303_ENTACT_RP_MIX507; DATA_PROCESSING MERGING RMBmix ver. 0.2.7; DATA_PROCESSING PRESCREENING Shinyscreen ver. 0.8.0; ORIGINAL_ACQUISITION_NO 1026; ORIGINAL_PRECURSOR_SCAN_NO 1025 CONFIDENCE standard compound; INTERNAL_ID 1082; DATASET 20200303_ENTACT_RP_MIX507; DATA_PROCESSING MERGING RMBmix ver. 0.2.7; DATA_PROCESSING PRESCREENING Shinyscreen ver. 0.8.0; ORIGINAL_ACQUISITION_NO 1005; ORIGINAL_PRECURSOR_SCAN_NO 1004 CONFIDENCE standard compound; INTERNAL_ID 1082; DATASET 20200303_ENTACT_RP_MIX507; DATA_PROCESSING MERGING RMBmix ver. 0.2.7; DATA_PROCESSING PRESCREENING Shinyscreen ver. 0.8.0; ORIGINAL_ACQUISITION_NO 1006; ORIGINAL_PRECURSOR_SCAN_NO 1005 CONFIDENCE standard compound; INTERNAL_ID 1082; DATASET 20200303_ENTACT_RP_MIX507; DATA_PROCESSING MERGING RMBmix ver. 0.2.7; DATA_PROCESSING PRESCREENING Shinyscreen ver. 0.8.0; ORIGINAL_ACQUISITION_NO 1012; ORIGINAL_PRECURSOR_SCAN_NO 1011
Acetamide, N-cyclopropyl-N-[(2,3-dichlorophenyl)Methyl]-
7-Bromo-2,6-dimethyl-thieno[3,2-d]pyrimidin-4-ylamine
(E)-2-(4-chlorophenylsulfonyl)-3-hydrazinylacrylonitrile
5-(2-chlorophenyl)-3-pyridin-2-yl-1,2,4-oxadiazole
4-hydroxy-7-trifluoromethyl-3-quinolinecarboxylic acid
5-FLUORO-7-(METHYLSULFONYL)-1H-INDOLE-2-CARBOXYLICACID
5-nitro-2-pyridin-2-yl-1,3-benzothiazole
C12H7N3O2S (257.02589620000003)
4-chloro-2-methylsulfanyl-6-pyrrolidin-1-ylpyrimidine-5-carbaldehyde
C10H12ClN3OS (257.03895719999997)
SUCCINIC ACID-MONO-N-PHENYLSULFONYLAMIDE
C10H11NO5S (257.03579160000004)
Benzenesulfonamide,4-amino-N-(4,5-dihydro-2-thiazolyl)-
1-(4-Bromo-2-fluorobenzyl)pyrrolidine
C11H13BrFN (257.02153300000003)
2-(4-(Trifluoromethyl)phenyl)thiazole-5-carbaldehyde
3-AMINO-3-(4-BROMO-3-METHYL-PHENYL)-PROPIONIC ACID
3-amino-6-methyl-4-(trifluoromethyl)thieno[2,3-b]pyridine-2-carbonitrile
2-hydroxymethyl-3-methyl-4-(2,2,2-trifluoroethoxy)pyridine hcl
3-(4-methoxy-3-nitrophenyl)propanethioic S-acid
C10H11NO5S (257.03579160000004)
1H-PYRROLE-2,5-DIONE, 1-[4-(TRIFLUOROMETHOXY)PHENYL]-
ETHYL 8-AMINO-7-CHLORO-2,3-DIHYDROBENZO[B][1,4]DIOXINE-5-CARBOXYLATE
5-(3-Trifluoromethylphenyl)-oxazole-4-carboxylic acid
4-Pyridinecarboxylic acid, 2-bromo-, 1,1-dimethylethyl ester
3-AMINO-3-(2-BROMO-4-METHYL-PHENYL)-PROPIONIC ACID
Ethyl 7-amino-3-chlorothieno[2,3-b]pyrazine-6-carboxylate
Ethyl 5-aminobenzo[b]thiophene-2-carboxylate hydrochloride
1,2,3,4-tetrahydro-3-isoquinoline carboxylic acid hydrobromide
2,3,4,5-Tetrafluoro-6-nitrobenzoyl chloride
C7ClF4NO3 (256.95028479999996)
2,6-dichloro-4-(trifluoromethyl)benzamide
C8H4Cl2F3NO (256.96220300000004)
N-(2,3-Dichlorophenyl)-2,2,2-trifluoroacetamide
C8H4Cl2F3NO (256.96220300000004)
(6-Chloroimidazo[1,2-b]pyridazin-3-yl)(phenyl)methanone
(6-chloropyridin-3-yl)-(1H-pyrrolo[2,3-b]pyridin-3-yl)methanone
4-Amino-3-chloro-5-(trifluoromethyl)benzoyl chloride
C8H4Cl2F3NO (256.96220300000004)
METHYL 4-CHLORO-5,8-DIFLUORO-QUINOLINE-2-CARBOXYLATE
6-pyrazin-2-ylthieno[3,2-b]pyridine-3-carboxylic acid
C12H7N3O2S (257.02589620000003)
5-(2-CHLORO-BENZYLSULFANYL)-[1,3,4]THIADIAZOL-2-YLAMINE
4-HYDROXY-2-(TRIFLUOROMETHYL)QUINOLINE-3-CARBOXYLIC ACID
5-amino-4-(2,6-dichlorophenyl)-2-methyl-1H-pyrazol-3-one
2-(3,4-DICHLOROPHENYL)PENT-4-ENOIC ACID N-METHYLAMIDE
Pyridine,4-[5-(2-chlorophenyl)-1,2,4-oxadiazol-3-yl]-
2-[(Dimethylamino)methylene]-3-oxo-3-(2,4-dichlorophenyl)propane
5-(Chloromethyl)-2-(4-chlorophenyl)-4-methyl-1,3-thiazole
2-(3-FLUORO-4-HYDROXY-PHENYL)-PYRANO[2,3-B]PYRIDIN-4-ONE
6-amino-4-hydroxy-2-naphthalenesulfonic&
C10H11NO5S (257.03579160000004)
4-Thiazolidinone,3-(4-chlorophenyl)-5-methyl-2-thioxo-
4-oxo-6-(trifluoromethyl)-1,4-dihydroquinoline-3-carboxylic acid
3-Quinolinecarboxylicacid, 6,8-dichloro-4-hydroxy-
4-Hydroxy-6-(trifluoromethyl)-3-quinolinecarboxylic acid
5-(2,4-dichloro-phenyl)-isoxazole-3-carboxylic acid
Bis(cyclopentadienyl)zirconium chloride deuteride
C10DH10ClZr (256.96590877799997)
5-(3,5-dichlorolphenyl)-1,3-oxazole-4-carboxylic acid
2-Chloro-N-(3-chloro-benzyl)-N-cyclopropyl-acetaMide
1-Bromo-3-fluoro-5-piperidinobenzene
C11H13BrFN (257.02153300000003)
{[4-AMINO-5-(ETHOXYCARBONYL)PYRIMIDIN-2-YL]THIO}ACETIC ACID
2-[4-(trifluoromethyl)phenyl]-1,3-thiazole-4-carbaldehyde
4-chloro-2-(4,5-dihydro-1H-imidazol-2-yl)-1,3-dihydroisoindole
o-(2-methoxyethoxy)-benzene sulfonyl isocyanate
C10H11NO5S (257.03579160000004)
1-(4-Sulfamoylphenyl)-5-mercaptotetrazole
C7H7N5O2S2 (257.00411620000006)
4-Hydroxy-8-(trifluoromethyl)quinoline-3-carboxylic acid
2-phenyl-5-(trifluoromethyl)-1,3-oxazole-4-carboxylic acid
2-Amino-5-[(4-chlorobenzyl)thio]-1,3,4-thiadiazole
cephalosporanic acid
C10H11NO5S (257.03579160000004)
D000890 - Anti-Infective Agents > D000900 - Anti-Bacterial Agents > D002511 - Cephalosporins D000890 - Anti-Infective Agents > D000900 - Anti-Bacterial Agents > D047090 - beta-Lactams D000890 - Anti-Infective Agents > D000900 - Anti-Bacterial Agents > D007769 - Lactams
N-(4,6-difluoro-1,3-benzothiazol-2-yl)propanehydrazide
alpha-(2,6-anhydro-3-deoxy-D-arabino-heptulopyranosid)onate 7-phosphonate
[3-(2-hydroxyethyl)-1H-indol-5-yl] hydrogen sulfate
C10H11NO5S (257.03579160000004)
Norrubrofusarin(1-)
A phenolate anion obtained by deprotonation of the 5-hydroxy group of norrubrofusarin. It is the major microspecies at pH 7.3.
(1R,2S)-1-(S-L-cysteinyl)-2-hydroxypropylphosphonate(2-)
[(2R,3S,4R,5R)-5-amino-3,4-dihydroxy-6-oxooxan-2-yl]methyl dihydrogen phosphate
cobalt(2+);(Z)-4-oxopent-2-en-2-olate;(E)-4-oxopent-2-en-2-olate
C10H14CoO4 (257.02240240000003)
FORMOTHION
C6H12NO4PS2 (256.99453619999997)
C471 - Enzyme Inhibitor > C47792 - Acetylcholinesterase Inhibitor D010575 - Pesticides > D007306 - Insecticides D016573 - Agrochemicals
SODIUM NITRILOTRIACETATE
D064449 - Sequestering Agents > D002614 - Chelating Agents
1-(2,4-Dichlorophenyl)-2-(1,2,4-triazol-1-yl)ethanol
(RS)-APICA
(RS)-APICA is a selective group II metabotropic glutamate receptor (mGluR II) antagonist. (RS)-APICA shows potential neuroprotective effect[1].