Exact Mass: 264.051

Exact Mass Matches: 264.051

Found 84 metabolites which its exact mass value is equals to given mass value 264.051, within given mass tolerance error 0.01 dalton. Try search metabolite list with more accurate mass tolerance error 0.001 dalton.

Frutinone A

chromeno[3,2-c]chromene-6,7-quinone

C16H8O4 (264.0423)


D004791 - Enzyme Inhibitors > D065607 - Cytochrome P-450 Enzyme Inhibitors > D065609 - Cytochrome P-450 CYP1A2 Inhibitors

   

(1R,2R)-3-[(1,2-Dihydro-2-hydroxy-1-naphthalenyl)thio]-2-oxopropanoic acid

(1R,2R)-3-[(1,2-Dihydro-2-hydroxy-1-naphthalenyl)thio]-2-oxopropanoic acid

C13H12O4S (264.0456)


   

2',2'-Difluorodeoxyuridine

1-[(2S,4R,5S)-3,3-difluoro-4-hydroxy-5-(hydroxymethyl)oxolan-2-yl]-4-hydroxy-1,2-dihydropyrimidin-2-one

C9H10F2N2O5 (264.0558)


2,2-Difluorodeoxyuridine is a metabolite of gemcitabine. Gemcitabine is a nucleoside analog used as chemotherapy. It is marketed as Gemzar by Eli Lilly and Company. (Wikipedia)

   

Necatorine

9-hydroxy-6-oxa-17,18-diazatetracyclo[8.8.0.0²,⁷.0¹¹,¹⁶]octadeca-1(10),2(7),3,8,11,13,15,17-octaen-5-one

C15H8N2O3 (264.0535)


Necatorine is found in mushrooms. Necatorine is an alkaloid from the mushroom Lactarius necator.

   

dapsone hydroxylamine

4-Amino-4-hydroxylaminodiphenylsulfone, T-labeled CPD

C12H12N2O3S (264.0569)


dapsone hydroxylamine is a metabolite of dapsone. Dapsone (diamino-diphenyl sulfone) is a medication most commonly used in combination with rifampicin and clofazimine as multidrug therapy (MDT) for the treatment of Mycobacterium leprae infections. It is also second-line treatment for prophylaxis (prevention) against Pneumocystis pneumonia (PCP) caused by Pneumocystis jirovecii (formerly P. carinii) in HIV patients in whom CD4 counts are below 200/mm. (Wikipedia)

   

1-[(4R,5R)-3,3-Difluoro-4-hydroxy-5-(hydroxymethyl)oxolan-2-yl]pyrimidine-2,4-dione

1-[3,3-difluoro-4-hydroxy-5-(hydroxymethyl)oxolan-2-yl]-1,2,3,4-tetrahydropyrimidine-2,4-dione

C9H10F2N2O5 (264.0558)


   

Enoximone sulfoxide

4-(4-methanesulfinylbenzoyl)-5-methyl-2,3-dihydro-1H-imidazol-2-one

C12H12N2O3S (264.0569)


   

Difluorodeoxyuridine

5,6-difluoro-1-[4-hydroxy-5-(hydroxymethyl)oxolan-2-yl]-1,2,3,4-tetrahydropyrimidine-2,4-dione

C9H10F2N2O5 (264.0558)


   

Furagin

1-{[3-(5-nitrofuran-2-yl)prop-2-en-1-ylidene]amino}imidazolidine-2,4-dione

C10H8N4O5 (264.0495)


   

Ethanethioic acid, S-(2-(((2R)-2-(acetylamino)-3-mercapto-1-oxopropyl)amino)ethyl)ester

Ethanethioic acid, S-(2-(((2R)-2-(acetylamino)-3-mercapto-1-oxopropyl)amino)ethyl)ester

C9H16N2O3S2 (264.0602)


   

1-[(2R,4S,5S)-5-[Difluoro(hydroxy)methyl]-4-hydroxyoxolan-2-yl]pyrimidine-2,4-dione

1-{5-[difluoro(hydroxy)methyl]-4-hydroxyoxolan-2-yl}-1,2,3,4-tetrahydropyrimidine-2,4-dione

C9H10F2N2O5 (264.0558)


   

tri-glyceride

3,6,9-tris(hydroxymethyl)-1,4,7-trioxonane-2,5,8-trione

C9H12O9 (264.0481)


   

7-hydroxytryptanthrin

7-hydroxytryptanthrin

C15H8N2O3 (264.0535)


   
   

Aristolide B

Aristolide B

C16H8O4 (264.0423)


   

2,2-Difluorodeoxyuridine

2,2-Difluoro-2-deoxyuridine

C9H10F2N2O5 (264.0558)


CONFIDENCE standard compound; EAWAG_UCHEM_ID 2649 2′,2′-Difluorodeoxyuridine (dFdU) is the main metabolite of Gemcitabine (HY-17026). 2′,2′-Difluorodeoxyuridine causes a concentration- and schedule- dependent radiosensitising effect in vitro[1].

   

Dapsone hydroxylamine

Dapsone hydroxylamine

C12H12N2O3S (264.0569)


   

Enoximone sulfoxide

Enoximone sulfoxide

C12H12N2O3S (264.0569)


   

Necatorin

9-hydroxy-6-oxa-17,18-diazatetracyclo[8.8.0.0^{2,7}.0^{11,16}]octadeca-1(10),2(7),3,8,11,13,15,17-octaen-5-one

C15H8N2O3 (264.0535)


   

3-(THIAZOL-2-YLCARBAMOYL)-BICYCLO[2.2.1]HEPT-5-ENE-2-CARBOXYLIC ACID

3-(THIAZOL-2-YLCARBAMOYL)-BICYCLO[2.2.1]HEPT-5-ENE-2-CARBOXYLIC ACID

C12H12N2O3S (264.0569)


   

(1-BENZYL-2-SULFANYL-1H-IMIDAZOL-5-YL)METHANOL

(1-BENZYL-2-SULFANYL-1H-IMIDAZOL-5-YL)METHANOL

C12H12N2O3S (264.0569)


   

4,6-Dichloro-5-(2,2-diethoxyethyl)pyrimidine

4,6-Dichloro-5-(2,2-diethoxyethyl)pyrimidine

C10H14Cl2N2O2 (264.0432)


   

Methyl 4-amino-3-(4-methoxyphenyl)isothiazole-5-carboxylate

Methyl 4-amino-3-(4-methoxyphenyl)isothiazole-5-carboxylate

C12H12N2O3S (264.0569)


   

4,5,6,7-TETRAHYDRO-1H-BENZO[D]IMIDAZOLE-6-CARBOXYLIC ACID COMPOUND WITH SULFURIC ACID (1:1)

4,5,6,7-TETRAHYDRO-1H-BENZO[D]IMIDAZOLE-6-CARBOXYLIC ACID COMPOUND WITH SULFURIC ACID (1:1)

C8H12N2O6S (264.0416)


   

N-benzyl-6-chloro-5-nitropyrimidin-4-amine

N-benzyl-6-chloro-5-nitropyrimidin-4-amine

C11H9ClN4O2 (264.0414)


   

Triethylsilyl trifluoromethanesulfonate

Triethylsilyl trifluoromethanesulfonate

C7H15F3O3SSi (264.0463)


   

5-METHYL-4-NITRO-2-(4-NITRO-PHENYL)-2H-PYRAZOL-3-OL

5-METHYL-4-NITRO-2-(4-NITRO-PHENYL)-2H-PYRAZOL-3-OL

C10H8N4O5 (264.0495)


   

Mordant Yellow 18

Mordant Yellow 18

C13H9N2NaO3 (264.0511)


   

2-Oxo-6-phenyl-4-(trifluoromethyl)-1,2-dihydropyridine-3-carbonitrile

2-Oxo-6-phenyl-4-(trifluoromethyl)-1,2-dihydropyridine-3-carbonitrile

C13H7F3N2O (264.051)


   

tert-Butyldimethylsilyl Trifluoromethanesulfonate

tert-Butyldimethylsilyl Trifluoromethanesulfonate

C7H15F3O3SSi (264.0463)


   

Methyl 2-amino-4-(3-methoxyphenyl)thiazole-5-carboxylate

Methyl 2-amino-4-(3-methoxyphenyl)thiazole-5-carboxylate

C12H12N2O3S (264.0569)


   

METHYL 2-AMINO-4-(4-METHOXYPHENYL)THIAZOLE-5-CARBOXYLATE

METHYL 2-AMINO-4-(4-METHOXYPHENYL)THIAZOLE-5-CARBOXYLATE

C12H12N2O3S (264.0569)


   
   

N-(4-METHYL-BENZOTHIAZOL-2-YL)-SUCCINAMIC ACID

N-(4-METHYL-BENZOTHIAZOL-2-YL)-SUCCINAMIC ACID

C12H12N2O3S (264.0569)


   

pth-l-glutamic acid

pth-l-glutamic acid

C12H12N2O3S (264.0569)


   

1-(2-METHYLPROPYL)-1H-IMIDAZO[4,5-C]QUINOLINE

1-(2-METHYLPROPYL)-1H-IMIDAZO[4,5-C]QUINOLINE

C17H12OS (264.0609)


   

5-(4,6-Dimethyl-pyrimidin-2-ylsulfanylmethyl)-furan-2-carboxylic acid

5-(4,6-Dimethyl-pyrimidin-2-ylsulfanylmethyl)-furan-2-carboxylic acid

C12H12N2O3S (264.0569)


   

Picrolonic acid

Picrolonic acid

C10H8N4O5 (264.0495)


   

(2-(METHOXYCARBONYL)-5-(TRIFLUOROMETHOXY)PHENYL)BORONIC ACID

(2-(METHOXYCARBONYL)-5-(TRIFLUOROMETHOXY)PHENYL)BORONIC ACID

C9H8BF3O5 (264.0417)


   

6-chloro-3-nitro-N-(pyridin-4-ylmethyl)pyridin-2-amine

6-chloro-3-nitro-N-(pyridin-4-ylmethyl)pyridin-2-amine

C11H9ClN4O2 (264.0414)


   

4-BROMO-2-NITROBENZYLBROMIDE

4-BROMO-2-NITROBENZYLBROMIDE

C14H14ClOP (264.0471)


   

2-(4-cyanophenoxy)-5-(trifluoromethyl)pyridine

2-(4-cyanophenoxy)-5-(trifluoromethyl)pyridine

C13H7F3N2O (264.051)


   

N-(Tetrahydro-2-furoylcarbonyl)piperazine hydrobromide

N-(Tetrahydro-2-furoylcarbonyl)piperazine hydrobromide

C9H17BrN2O2 (264.0473)


   

2-(5-CHLORO-2-FLUOROPHENYL)-6,7-DIHYDRO-1H-CYCLOPENTA[D]PYRIMIDIN-4(5H)-ONE

2-(5-CHLORO-2-FLUOROPHENYL)-6,7-DIHYDRO-1H-CYCLOPENTA[D]PYRIMIDIN-4(5H)-ONE

C13H10ClFN2O (264.0466)


   

methyl 3-(2,4-diaminophenoxy)thiophene-2-carboxylate

methyl 3-(2,4-diaminophenoxy)thiophene-2-carboxylate

C12H12N2O3S (264.0569)


   

4H-Thiopyran-4-one,2,6-diphenyl-

4H-Thiopyran-4-one,2,6-diphenyl-

C17H12OS (264.0609)


   

2-Aminophenol-4-sulfonanilide

2-Aminophenol-4-sulfonanilide

C12H12N2O3S (264.0569)


   

2-(4-Isocyanatophenyl)-5-(trifluoromethyl)pyridine

2-(4-Isocyanatophenyl)-5-(trifluoromethyl)pyridine

C13H7F3N2O (264.051)


   

3-hydroxynaphtho[3,2-b][1]benzofuran-6,11-dione

3-hydroxynaphtho[3,2-b][1]benzofuran-6,11-dione

C16H8O4 (264.0423)


   

1-[1-(PHENYLSULFONYL)-1H-PYRROL-3-YL]ETHAN-1-ONE OXIME

1-[1-(PHENYLSULFONYL)-1H-PYRROL-3-YL]ETHAN-1-ONE OXIME

C12H12N2O3S (264.0569)


   

4-Benzyloxy-2,3-difluorobenzoicacid

4-Benzyloxy-2,3-difluorobenzoicacid

C14H10F2O3 (264.0598)


   

2-(BIS-METHYLSULFANYL-METHYLENE)-MALONIC ACID DIETHYL ESTER

2-(BIS-METHYLSULFANYL-METHYLENE)-MALONIC ACID DIETHYL ESTER

C10H16O4S2 (264.049)


   

2,2,2-TRIFLUORO-2,4,6-TRIMETHOXY-ACET OPHENONE

2,2,2-TRIFLUORO-2,4,6-TRIMETHOXY-ACET OPHENONE

C11H11F3O4 (264.0609)


   

2-(5-chloro-6-methoxy-2-naphthyl)-propionic acid

2-(5-chloro-6-methoxy-2-naphthyl)-propionic acid

C14H13ClO3 (264.0553)


   
   

2-Chlorodibenzo[f,h]quinoxaline

2-Chlorodibenzo[f,h]quinoxaline

C16H9ClN2 (264.0454)


   

disodium,butanedioate,2-methyloxirane,oxirane

disodium,butanedioate,2-methyloxirane,oxirane

C9H14Na2O6 (264.0586)


   

1-(2-METHANESULFONYL-ETHYL)PIPERAZINE DIHYDROCHLORIDE

1-(2-METHANESULFONYL-ETHYL)PIPERAZINE DIHYDROCHLORIDE

C7H18Cl2N2O2S (264.0466)


   

5-chloro-6-((2-iminopyrrolidin-1-yl)methyl)-5,6-dihydropyrimidin-4(3h)-one hydrochloride

5-chloro-6-((2-iminopyrrolidin-1-yl)methyl)-5,6-dihydropyrimidin-4(3h)-one hydrochloride

C9H14Cl2N4O (264.0545)


   

4-Aminodiphenylamine-2-Sulfonic Acid

4-Aminodiphenylamine-2-Sulfonic Acid

C12H12N2O3S (264.0569)


   

Furagin

Furagin

C10H8N4O5 (264.0495)


J - Antiinfectives for systemic use > J01 - Antibacterials for systemic use > J01X - Other antibacterials > J01XE - Nitrofuran derivatives D000890 - Anti-Infective Agents

   

2-amino-8-phenyl-7,9-dioxa-1-thia-3-azaspiro[4.5]dec-2-en-4-one

2-amino-8-phenyl-7,9-dioxa-1-thia-3-azaspiro[4.5]dec-2-en-4-one

C12H12N2O3S (264.0569)


   

3-Amino-4-chloro-N-(4-fluorophenyl)benzamide

3-Amino-4-chloro-N-(4-fluorophenyl)benzamide

C13H10ClFN2O (264.0466)


   

8,9,10-Trihydroxy-7-hydroxymethyl-2-thioxo-6-oxa-1,3-diaza-spiro[4.5]decan-4-one

8,9,10-Trihydroxy-7-hydroxymethyl-2-thioxo-6-oxa-1,3-diaza-spiro[4.5]decan-4-one

C8H12N2O6S (264.0416)


   

3,8,9,10-Tetrahydroxy-7-hydroxymethyl-6-oxa-1,3-diaza-spiro[4.5]decane-2,4-dione

3,8,9,10-Tetrahydroxy-7-hydroxymethyl-6-oxa-1,3-diaza-spiro[4.5]decane-2,4-dione

C8H12N2O8 (264.0594)


   

5,6-Difluoro-1-[4-hydroxy-5-(hydroxymethyl)oxolan-2-yl]pyrimidine-2,4-dione

5,6-Difluoro-1-[4-hydroxy-5-(hydroxymethyl)oxolan-2-yl]pyrimidine-2,4-dione

C9H10F2N2O5 (264.0558)


   

1-[(2R,4S,5S)-5-[Difluoro(hydroxy)methyl]-4-hydroxyoxolan-2-yl]pyrimidine-2,4-dione

1-[(2R,4S,5S)-5-[Difluoro(hydroxy)methyl]-4-hydroxyoxolan-2-yl]pyrimidine-2,4-dione

C9H10F2N2O5 (264.0558)


   

1-[(4R,5R)-3,3-Difluoro-4-hydroxy-5-(hydroxymethyl)oxolan-2-yl]pyrimidine-2,4-dione

1-[(4R,5R)-3,3-Difluoro-4-hydroxy-5-(hydroxymethyl)oxolan-2-yl]pyrimidine-2,4-dione

C9H10F2N2O5 (264.0558)


   

2-[(2-chlorophenyl)methylthio]-6,7-dihydro-5H-pyrrolo[1,2-a]imidazole

2-[(2-chlorophenyl)methylthio]-6,7-dihydro-5H-pyrrolo[1,2-a]imidazole

C13H13ClN2S (264.0488)


   

(5E)-4-Amino-5-[(3-ethoxy-4-hydroxyphenyl)methylidene]-1,3-thiazol-2-one

(5E)-4-Amino-5-[(3-ethoxy-4-hydroxyphenyl)methylidene]-1,3-thiazol-2-one

C12H12N2O3S (264.0569)


   

Trimethylsilyl 1,3-dioxoisobenzofuran-5-carboxylate

Trimethylsilyl 1,3-dioxoisobenzofuran-5-carboxylate

C12H12O5Si (264.0454)


   

N,N-Dichloroformyl-2,2-bipyrrolidine

N,N-Dichloroformyl-2,2-bipyrrolidine

C10H14Cl2N2O2 (264.0432)


   
   

2,2-Difluoro-2-deoxyuridine

2,2-Difluoro-2-deoxyuridine

C9H10F2N2O5 (264.0558)


A pyrimidine 2-deoxyribonucleoside that is uridine in which the hydroxy group at position 2 has been replaced by two fluoro substituents. It is a metabolite of the drug gemcitabine.

   

6-oxa-17,18-diazatetracyclo[8.8.0.0²,⁷.0¹¹,¹⁶]octadeca-1,3,7,10,12,14,16-heptaene-5,9-dione

6-oxa-17,18-diazatetracyclo[8.8.0.0²,⁷.0¹¹,¹⁶]octadeca-1,3,7,10,12,14,16-heptaene-5,9-dione

C15H8N2O3 (264.0535)


   

2-[(1e)-2-methanesulfinylethenyl]-6-methoxychromen-4-one

2-[(1e)-2-methanesulfinylethenyl]-6-methoxychromen-4-one

C13H12O4S (264.0456)


   

11-hydroxychromeno[5,6-c]cinnolin-2-one

11-hydroxychromeno[5,6-c]cinnolin-2-one

C15H8N2O3 (264.0535)


   

3-[(4as,7z)-4,6-dihydroxy-2-imino-1,4a-dihydropteridin-7-ylidene]-2-iminopropanoic acid

3-[(4as,7z)-4,6-dihydroxy-2-imino-1,4a-dihydropteridin-7-ylidene]-2-iminopropanoic acid

C9H8N6O4 (264.0607)


   

4,11-dihydroxy-8,16-diazatetracyclo[7.7.1.0²,⁷.0¹³,¹⁷]heptadeca-1(17),2(7),3,5,8,11,13,15-octaen-10-one

4,11-dihydroxy-8,16-diazatetracyclo[7.7.1.0²,⁷.0¹³,¹⁷]heptadeca-1(17),2(7),3,5,8,11,13,15-octaen-10-one

C15H8N2O3 (264.0535)


   

3-[(4as)-4-hydroxy-2-imino-6-oxo-4a,5-dihydro-1h-pteridin-7-ylidene]-2-iminopropanoic acid

3-[(4as)-4-hydroxy-2-imino-6-oxo-4a,5-dihydro-1h-pteridin-7-ylidene]-2-iminopropanoic acid

C9H8N6O4 (264.0607)


   

phaitanthrin c

phaitanthrin c

C15H8N2O3 (264.0535)


   

10-hydroxy-8,16-diazatetracyclo[7.7.1.0²,⁷.0¹³,¹⁷]heptadeca-1(17),2,5,7,9,12,14-heptaene-4,11-dione

10-hydroxy-8,16-diazatetracyclo[7.7.1.0²,⁷.0¹³,¹⁷]heptadeca-1(17),2,5,7,9,12,14-heptaene-4,11-dione

C15H8N2O3 (264.0535)


   

2-[(1e)-2-methanesulfinylethenyl]-7-methoxychromen-4-one

2-[(1e)-2-methanesulfinylethenyl]-7-methoxychromen-4-one

C13H12O4S (264.0456)