Exact Mass: 257.0455

Exact Mass Matches: 257.0455

Found 66 metabolites which its exact mass value is equals to given mass value 257.0455, within given mass tolerance error 0.01 dalton. Try search metabolite list with more accurate mass tolerance error 0.001 dalton.

cephalosporanic acid

3-[(acetyloxy)methyl]-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid

C10H11NO5S (257.0358)


   

4-(3-Oxobutanamido)benzenesulfonic acid

4-[(3-oxobutanoyl)amino]benzenesulfonate

C10H11NO5S (257.0358)


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]-

Acetamide, N-cyclopropyl-N-[(2,3-dichlorophenyl)Methyl]-

C12H13Cl2NO (257.0374)


   

5-(2-chlorophenyl)-3-pyridin-2-yl-1,2,4-oxadiazole

5-(2-chlorophenyl)-3-pyridin-2-yl-1,2,4-oxadiazole

C13H8ClN3O (257.0356)


   

(2R,3S)-O,O-DIACETYL-3-DIBENZYLAMINO-4-PHENYLBUTANE-1,2-DIOL

(2R,3S)-O,O-DIACETYL-3-DIBENZYLAMINO-4-PHENYLBUTANE-1,2-DIOL

C14H11NO2S (257.051)


   

ETHYL 2-(3-CHLORO-4-NITROPHENYL)PROPIONATE

ETHYL 2-(3-CHLORO-4-NITROPHENYL)PROPIONATE

C11H12ClNO4 (257.0455)


   

4-chloro-2-methylsulfanyl-6-pyrrolidin-1-ylpyrimidine-5-carbaldehyde

4-chloro-2-methylsulfanyl-6-pyrrolidin-1-ylpyrimidine-5-carbaldehyde

C10H12ClN3OS (257.039)


   

SUCCINIC ACID-MONO-N-PHENYLSULFONYLAMIDE

SUCCINIC ACID-MONO-N-PHENYLSULFONYLAMIDE

C10H11NO5S (257.0358)


   

butyl 4-chloro-3-nitro-benzoate

butyl 4-chloro-3-nitro-benzoate

C11H12ClNO4 (257.0455)


   

8-(TRIFLUOROMETHOXY)QUINOLIN-5-YLBORONIC ACID

8-(TRIFLUOROMETHOXY)QUINOLIN-5-YLBORONIC ACID

C10H7BF3NO3 (257.0471)


   

(E)-4-CHLORO-ALPHA-(4-FLUOROPHENYL)CINN&

(E)-4-CHLORO-ALPHA-(4-FLUOROPHENYL)CINN&

C15H9ClFN (257.0408)


   

2-hydroxymethyl-3-methyl-4-(2,2,2-trifluoroethoxy)pyridine hcl

2-hydroxymethyl-3-methyl-4-(2,2,2-trifluoroethoxy)pyridine hcl

C9H11ClF3NO2 (257.043)


   

3-(4-methoxy-3-nitrophenyl)propanethioic S-acid

3-(4-methoxy-3-nitrophenyl)propanethioic S-acid

C10H11NO5S (257.0358)


   

chloroacetyl-l-tyrosine

chloroacetyl-l-tyrosine

C11H12ClNO4 (257.0455)


   

3-butoxy-4-nitrobenzoyl chloride

3-butoxy-4-nitrobenzoyl chloride

C11H12ClNO4 (257.0455)


   

(4-(N-Propionylsulfamoyl)phenyl)boronic acid

(4-(N-Propionylsulfamoyl)phenyl)boronic acid

C9H12BNO5S (257.0529)


   

1-(3-nitrophenyl)-2H-pyrazolo[3,4-d]pyrimidin-4-one

1-(3-nitrophenyl)-2H-pyrazolo[3,4-d]pyrimidin-4-one

C11H7N5O3 (257.0549)


   

ETHYL 8-AMINO-7-CHLORO-2,3-DIHYDROBENZO[B][1,4]DIOXINE-5-CARBOXYLATE

ETHYL 8-AMINO-7-CHLORO-2,3-DIHYDROBENZO[B][1,4]DIOXINE-5-CARBOXYLATE

C11H12ClNO4 (257.0455)


   

ethyl 3-(4-chloro-2-nitrophenyl)propanoate

ethyl 3-(4-chloro-2-nitrophenyl)propanoate

C11H12ClNO4 (257.0455)


   

Methyl 4-acetamido-5-chloro-2-methoxybenzoate

Methyl 4-acetamido-5-chloro-2-methoxybenzoate

C11H12ClNO4 (257.0455)


   

3-(2-bromophenoxy)-N,N-dimethylpropan-1-amine

3-(2-bromophenoxy)-N,N-dimethylpropan-1-amine

C11H16BrNO (257.0415)


   

7-Chloro-8-fluoro-2-phenylquinoline

7-Chloro-8-fluoro-2-phenylquinoline

C15H9ClFN (257.0408)


   

Benzoic acid,3,4,5-trimethoxy-2-nitro-

Benzoic acid,3,4,5-trimethoxy-2-nitro-

C10H11NO7 (257.0535)


   

2-(BENZENESULFONYLMETHYL)BENZONITRILE

2-(BENZENESULFONYLMETHYL)BENZONITRILE

C14H11NO2S (257.051)


   

3-(3-Bromophenoxy)-N,N-dimethyl-1-propanamine

3-(3-Bromophenoxy)-N,N-dimethyl-1-propanamine

C11H16BrNO (257.0415)


   

(6-Chloroimidazo[1,2-b]pyridazin-3-yl)(phenyl)methanone

(6-Chloroimidazo[1,2-b]pyridazin-3-yl)(phenyl)methanone

C13H8ClN3O (257.0356)


   

(6-chloropyridin-3-yl)-(1H-pyrrolo[2,3-b]pyridin-3-yl)methanone

(6-chloropyridin-3-yl)-(1H-pyrrolo[2,3-b]pyridin-3-yl)methanone

C13H8ClN3O (257.0356)


   

2,4,5-Triamino-6-hydroxypyrimidine sulfate

2,4,5-Triamino-6-hydroxypyrimidine sulfate

C4H11N5O6S (257.043)


   

2-AMINO-5-NITRO-BENZO[DE]ISOQUINOLINE-1,3-DIONE

2-AMINO-5-NITRO-BENZO[DE]ISOQUINOLINE-1,3-DIONE

C12H7N3O4 (257.0437)


   

2-AMINO-6-NITRO-BENZO[DE]ISOQUINOLINE-1,3-DIONE

2-AMINO-6-NITRO-BENZO[DE]ISOQUINOLINE-1,3-DIONE

C12H7N3O4 (257.0437)


   

1-[(3,4-dichlorophenyl)methyl]piperidin-4-one

1-[(3,4-dichlorophenyl)methyl]piperidin-4-one

C12H13Cl2NO (257.0374)


   

diethyl 4-chloropyridine-3,5-dicarboxylate

diethyl 4-chloropyridine-3,5-dicarboxylate

C11H12ClNO4 (257.0455)


   

2-(3,4-DICHLOROPHENYL)PENT-4-ENOIC ACID N-METHYLAMIDE

2-(3,4-DICHLOROPHENYL)PENT-4-ENOIC ACID N-METHYLAMIDE

C12H13Cl2NO (257.0374)


   

Pyridine,4-[5-(2-chlorophenyl)-1,2,4-oxadiazol-3-yl]-

Pyridine,4-[5-(2-chlorophenyl)-1,2,4-oxadiazol-3-yl]-

C13H8ClN3O (257.0356)


   

3-bromoadamantane-1-carboxamide

3-bromoadamantane-1-carboxamide

C11H16BrNO (257.0415)


   

2-[(Dimethylamino)methylene]-3-oxo-3-(2,4-dichlorophenyl)propane

2-[(Dimethylamino)methylene]-3-oxo-3-(2,4-dichlorophenyl)propane

C12H13Cl2NO (257.0374)


   

1,6-dinitrocarbazole

1,6-dinitrocarbazole

C12H7N3O4 (257.0437)


   

3-BROMO-5-(TERT-BUTYL)-4-METHOXYANILINE

3-BROMO-5-(TERT-BUTYL)-4-METHOXYANILINE

C11H16BrNO (257.0415)


   

2-N-(5-AMINOPENTYL)-AMINO-5-BROMOPYRIDINE

2-N-(5-AMINOPENTYL)-AMINO-5-BROMOPYRIDINE

C10H16BrN3 (257.0528)


   

2-(3-FLUORO-4-HYDROXY-PHENYL)-PYRANO[2,3-B]PYRIDIN-4-ONE

2-(3-FLUORO-4-HYDROXY-PHENYL)-PYRANO[2,3-B]PYRIDIN-4-ONE

C14H8FNO3 (257.0488)


   

Thiazolidine, 2-(4-methylphenyl)-3-(methylsulfonyl)- (9CI)

Thiazolidine, 2-(4-methylphenyl)-3-(methylsulfonyl)- (9CI)

C11H15NO2S2 (257.0544)


   

6-amino-4-hydroxy-2-naphthalenesulfonic&

6-amino-4-hydroxy-2-naphthalenesulfonic&

C10H11NO5S (257.0358)


   

N-Isopropylidene-2-nitrobenzenesulfonohydrazide

N-Isopropylidene-2-nitrobenzenesulfonohydrazide

C9H11N3O4S (257.047)


   

3,6-dinitro-9h-carbazole

3,6-dinitro-9h-carbazole

C12H7N3O4 (257.0437)


   

1-(PHENYLSULFONYL)INDOLE

1-(Phenylsulfonyl)-1H-indole

C14H11NO2S (257.051)


   

2-Chloro-N-(3-chloro-benzyl)-N-cyclopropyl-acetaMide

2-Chloro-N-(3-chloro-benzyl)-N-cyclopropyl-acetaMide

C12H13Cl2NO (257.0374)


   

benzotriazol-1-yl-(4-chlorophenyl)methanone

benzotriazol-1-yl-(4-chlorophenyl)methanone

C13H8ClN3O (257.0356)


   

{[4-AMINO-5-(ETHOXYCARBONYL)PYRIMIDIN-2-YL]THIO}ACETIC ACID

{[4-AMINO-5-(ETHOXYCARBONYL)PYRIMIDIN-2-YL]THIO}ACETIC ACID

C9H11N3O4S (257.047)


   

4-chloro-2-(4,5-dihydro-1H-imidazol-2-yl)-1,3-dihydroisoindole

4-chloro-2-(4,5-dihydro-1H-imidazol-2-yl)-1,3-dihydroisoindole

C11H13Cl2N3 (257.0486)


   

tert-butyl 4-chloro-3-nitrobenzoate

tert-butyl 4-chloro-3-nitrobenzoate

C11H12ClNO4 (257.0455)


   

o-(2-methoxyethoxy)-benzene sulfonyl isocyanate

o-(2-methoxyethoxy)-benzene sulfonyl isocyanate

C10H11NO5S (257.0358)


   

Diethyl 4-chloropyridine-2,6-dicarboxylate

Diethyl 4-chloropyridine-2,6-dicarboxylate

C11H12ClNO4 (257.0455)


   

3-(4-Bromophenoxy)-N,N-dimethyl-1-propanamine

3-(4-Bromophenoxy)-N,N-dimethyl-1-propanamine

C11H16BrNO (257.0415)


   

cephalosporanic acid

cephalosporanic acid

C10H11NO5S (257.0358)


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

   

6-Ethyl-thieno[2,3-b]quinoline-2-carboxylic acid

6-Ethyl-thieno[2,3-b]quinoline-2-carboxylic acid

C14H11NO2S (257.051)


   

N-(4,6-difluoro-1,3-benzothiazol-2-yl)propanehydrazide

N-(4,6-difluoro-1,3-benzothiazol-2-yl)propanehydrazide

C10H9F2N3OS (257.0434)


   

alpha-(2,6-anhydro-3-deoxy-D-arabino-heptulopyranosid)onate 7-phosphonate

alpha-(2,6-anhydro-3-deoxy-D-arabino-heptulopyranosid)onate 7-phosphonate

C7H14O8P- (257.0426)


   

[3-(2-hydroxyethyl)-1H-indol-5-yl] hydrogen sulfate

[3-(2-hydroxyethyl)-1H-indol-5-yl] hydrogen sulfate

C10H11NO5S (257.0358)


   

2-(4-Methoxyphenyl)-1,2-benzothiazol-3-one

2-(4-Methoxyphenyl)-1,2-benzothiazol-3-one

C14H11NO2S (257.051)


   

2-(1,3-Benzothiazol-2-ylmethoxy)phenol

2-(1,3-Benzothiazol-2-ylmethoxy)phenol

C14H11NO2S (257.051)


   

Norrubrofusarin(1-)

Norrubrofusarin(1-)

C14H9O5- (257.045)


A phenolate anion obtained by deprotonation of the 5-hydroxy group of norrubrofusarin. It is the major microspecies at pH 7.3.

   

(Dimethylcarbamoyl)ferrocene

(Dimethylcarbamoyl)ferrocene

C13H15FeNO-6 (257.0503)


   

Norlichexanthone(1-)

Norlichexanthone(1-)

C14H9O5- (257.045)


   

(RS)-APICA

(RS)-APICA

C10H12NO5P (257.0453)


(RS)-APICA is a selective group II metabotropic glutamate receptor (mGluR II) antagonist. (RS)-APICA shows potential neuroprotective effect[1].

   

(3s,4s,5r)-3-chloro-5-(hydroxymethyl)-4-(4-hydroxyphenoxy)-4,5-dihydro-3h-pyrrol-2-ol

(3s,4s,5r)-3-chloro-5-(hydroxymethyl)-4-(4-hydroxyphenoxy)-4,5-dihydro-3h-pyrrol-2-ol

C11H12ClNO4 (257.0455)


   

3-chloro-5-(hydroxymethyl)-4-(4-hydroxyphenoxy)-4,5-dihydro-3h-pyrrol-2-ol

3-chloro-5-(hydroxymethyl)-4-(4-hydroxyphenoxy)-4,5-dihydro-3h-pyrrol-2-ol

C11H12ClNO4 (257.0455)