Exact Mass: 263.9703

Exact Mass Matches: 263.9703

Found 243 metabolites which its exact mass value is equals to given mass value 263.9703, within given mass tolerance error 0.05 dalton. Try search metabolite list with more accurate mass tolerance error 0.01 dalton.

5,8-Dihydro-6-(4-methyl-3-pentenyl)-1,2,3,4-tetrathiocin

6-(4-methylpent-3-en-1-yl)-5,8-dihydro-1,2,3,4-tetrathiocine

C10H16S4 (264.0135)

5,8-Dihydro-6-(4-methyl-3-pentenyl)-1,2,3,4-tetrathiocin is found in alcoholic beverages. 5,8-Dihydro-6-(4-methyl-3-pentenyl)-1,2,3,4-tetrathiocin is a constituent of hops. Constituent of hops. 5,8-Dihydro-6-(4-methyl-3-pentenyl)-1,2,3,4-tetrathiocin is found in alcoholic beverages.

2,3,5,7,9-Pentathiadecane 2,2-dioxide

Methanesulphonyl[({[(methyldisulphanyl)methyl]sulphanyl}methyl)sulphanyl]methane

C5H12O2S5 (263.9441)

2,3,5,7,9-Pentathiadecane 2,2-dioxide is found in mushrooms. 2,3,5,7,9-Pentathiadecane 2,2-dioxide is isolated from the shiitake mushroom (Lentinus edodes). Isolated from the shiitake mushroom (Lentinus edodes). 2,3,5,7,9-Pentathiadecane 2,2-dioxide is found in mushrooms.

Methylgallic acid-O-sulphate

(3,4,5-Trihydroxy-2-methylbenzoyloxy)sulphonic acid

C8H8O8S (263.994)

Methylgallic acid-O-sulphate is a conjugate of methylgallic acid and sulphate. methylgallic acid is a methyl ester of gallic acid. Gallic acid is a trihydroxybenzoic acid, a type of phenolic acid, a type of organic acid, also known as 3,4,5-trihydroxybenzoic acid, found in gallnuts, sumac, witch hazel, tea leaves, oak bark, and other plants. The chemical formula is C6H2(OH)3COOH. Gallic acid is found both free and as part of hydrolyzable tannins. (Wikipedia)

Thioxanthine monophosphate

[(2-hydroxy-6-sulfanyl-9H-purin-9-yl)oxy]phosphonic acid

C5H5N4O5PS (263.9718)

Thioxanthine monophosphate is a metabolite of azathioprine. Azathioprine is a purine analogue immunosuppressive drug. It is used to prevent rejection following organ transplantation, and to treat a vast array of autoimmune diseases, including rheumatoid arthritis, pemphigus, inflammatory bowel disease, multiple sclerosis, autoimmune hepatitis, atopic dermatitis, myasthenia gravis, neuromyelitis optica or Devics disease, restrictive lung disease, and others. (Wikipedia)

4-Methylgallic acid 3-sulfate

3-Hydroxy-4-methoxy-5-(sulfooxy)benzoic acid

C8H8O8S (263.994)

4-o-methylgallic acid 3-o-sulphate belongs to gallic acid and derivatives class of compounds. Those are compounds containing a 3,4,5-trihydroxybenzoic acid moiety. 4-o-methylgallic acid 3-o-sulphate is slightly soluble (in water) and an extremely strong acidic compound (based on its pKa).

n-Heptafluorobutyrylimidazole

2,2,3,3,4,4,4-heptafluoro-1-(1H-imidazol-1-yl)butan-1-one

C7H3F7N2O (264.0134)

Perfluorovaleric acid

2,2,3,3,4,4,5,5,5-Nonafluoropentanoic acid

C5HF9O2 (263.9833)

2-(2-carboxy-4-methylthiazol-5-yl)ethyl phosphate

4-methyl-5-[2-(phosphonatooxy)ethyl]-1,3-thiazole-2-carboxylate

C7H7NO6PS (263.9732)

2-(2-carboxy-4-methylthiazol-5-yl)ethyl phosphate, also known as cthz-P, belongs to thiazolecarboxylic acids and derivatives class of compounds. Those are heterocyclic compounds containing a thiazole ring which bears a carboxylic acid group (or a derivative thereof). 2-(2-carboxy-4-methylthiazol-5-yl)ethyl phosphate is soluble (in water) and a moderately acidic compound (based on its pKa). 2-(2-carboxy-4-methylthiazol-5-yl)ethyl phosphate can be found in a number of food items such as rubus (blackberry, raspberry), triticale, fenugreek, and cloudberry, which makes 2-(2-carboxy-4-methylthiazol-5-yl)ethyl phosphate a potential biomarker for the consumption of these food products.

CONFIDENCE standard compound; UCHEM_ID 4172

3-(1-hydroxybutyl)-4-bromo-5-hydroxy-5-methyl-2(5h)-furanone

C9H13BrO4 (263.9997)

(+)-Cryptosporiopsin|3-Chloro, Me ester-(1S, 5S, E)-5-Chloro-1-hydroxy-4-oxo-2-(2-propenyl)-2-cyclopentene-1-carboxylic acid

C10H10Cl2O4 (263.9956)

(2R,3(8)E,4S,6R*)-6-bromo-2-chloro-1,4-oxido-3(8)-ochtodene

(2R*,3(8)E,4S*,6R*)-6-bromo-2-chloro-1,4-oxido-3(8)-ochtodene

C10H14BrClO (263.9916)

Fumigatin-bromhydrin

C8H9BrO5 (263.9633)

Methanesulfonic acid, thio-, S-[[[[(methylsulfinyl)methyl]thio]methoxy]methyl] ester

C5H12O4S4 (263.9618)

4-bromo-8-chloro-3,7-dimethylocta-2,6-dienal

C10H14BrClO (263.9916)

Makaluvamine O

C10H5BrN2O2 (263.9534)

Perfluorovaleric acid

Perfluoropentanoic acid (PFPeA)

C5HF9O2 (263.9833)

CONFIDENCE standard compound; INTERNAL_ID 5945 CONFIDENCE standard compound; EAWAG_UCHEM_ID 2714

1-Methylnicotinamide iodide

Pyridinium,3-(aminocarbonyl)-1-methyl-, iodide (1:1)

C7H9IN2O (263.976)

1-Methylnicotinamide iodide is an intermediate in the metabolism of Nicotinate and nicotinamide. It is a substrate for Aldehyde oxidase and Nicotinamide N-methyltransferase. [HMDB]

6-(4-Methyl-3-pentenyl)-1,2,3,4-tetrathia-6-cyclooctene

6-(4-methylpent-3-en-1-yl)-5,8-dihydro-1,2,3,4-tetrathiocine

C10H16S4 (264.0135)

SE-3

methanesulfonyl[({[(methyldisulfanyl)methyl]sulfanyl}methyl)sulfanyl]methane

C5H12O2S5 (263.9441)

5-BROMO-NAPHTHALENE-1-CARBOXYLIC ACID METHYL ESTER

C12H9BrO2 (263.9786)

1-(4-BROMOPHENYL)-2-(1H-IMIDAZOL-1-YL)-1-ETHANONE

C11H9BrN2O (263.9898)

4-Iodo-1-methyl-2-(2-methyl-2-propanyl)-1H-imidazole

C8H13IN2 (264.0123)

Methyl 4-bromo-2-naphthoate

C12H9BrO2 (263.9786)

heptafluorobutyrylimidazole

n-Heptafluorobutyrylimidazole

C7H3F7N2O (264.0134)

2-Naphthalenol,6-bromo-, 2-acetate

C12H9BrO2 (263.9786)

(E)-3-(4-CHLOROPHENYL)-N-PHENYLACRYLAMIDE

C7H5IO3 (263.9283)

1,2,8,9-tetrachlorononane

C9H16Cl4 (264.0006)

3-SULFOBENZOIC ACID DISODIUM SALT MONOHYDRATE

C7H6Na2O6S (263.968)

1-Iodo-3,5-dimethoxybenzene

C8H9IO2 (263.9647)

5-BROMO-2-(P-TOLYLOXY)PYRIMIDINE

C11H9BrN2O (263.9898)

N-(5-bromoquinolin-8-yl)acetamide

C11H9BrN2O (263.9898)

3-BROMO-4-(1H-IMIDAZOL-1-YL)ACETOPHENONE

C11H9BrN2O (263.9898)

5-CHLORO-1-(4-TRIFLUOROMETHOXY-PHENYL)-1H-TETRAZOLE

C8H4ClF3N4O (264.0026)

4-(2-BROMOETHYL)BENZENESULFONIC ACID

C8H9BrO3S (263.9456)

2-BROMO-4-(METHYLSULFONYL)PHENYL]HYDRAZINE

C7H9BrN2O2S (263.9568)

3,5-BIS(METHYLSULFONYL)PHENYL]METHANOL

C9H12O5S2 (264.0126)

2,4-Dihydroxy-5-iodobenzaldehyde

C7H5IO3 (263.9283)

2,4-Dihydroxy-3-iodobenzaldehyde

C7H5IO3 (263.9283)

1-TRIFLUOROACETYL-5-FLUOROBENZIMIDAZOLIN-2-THIONE

C9H4F4N2OS (263.998)

1-(2,5-DICHLOROPYRIMIDIN-4-YL)-1H-BENZO[D]IMIDAZOLE

C11H6Cl2N4 (263.9969)

3-(2,5-Dichloropyrimidin-4-yl)imidazo[1,2-a]pyridine

C11H6Cl2N4 (263.9969)

ETHYL 4-BROMO-3,5-DIMETHYL-1H-PYRROLE-2-CARBOXYLATE

C11H9BrN2O (263.9898)

4-Iodo-3-nitroaniline

C6H5IN2O2 (263.9396)

Bromoferrocene

C10H9BrFe (263.9237)

5-bromo-2-(3-methylphenoxy)pyrimidine

C11H9BrN2O (263.9898)

3-IODO-4-METHOXYBENZYL ALCOHOL

C8H9IO2 (263.9647)

4-(BROMOMETHYL)-4-FLUORO-1,1-BIPHENYL

C13H10BrF (263.995)

1-(METHOXYMETHYL)-3-NITROBENZENE

C9H7BrClFO (263.9353)

3-Iodo-6-isopropoxypyridazine

C7H9IN2O (263.976)

diphenyl chloroarsine

C12H10AsCl (263.9687)

(3AS)-7-BROMO-3A 4 5 7A-TETRAHYDRO-2 2-&

C9H13BrO4 (263.9997)

METHYL 3-(CHLOROSULFONYL)-4-METHOXYBENZOATE

C9H9ClO5S (263.9859)

5-Iodosalicylic acid

C7H5IO3 (263.9283)

4-Iodo-1,2-dimethoxybenzene

C8H9IO2 (263.9647)

2-Hydroxy-4-iodobenzoic acid

C7H5IO3 (263.9283)

2-BROMOPHENYLSULFONYLETHANOL

C8H9BrO3S (263.9456)

2-(3-bromophenoxy)-6-methylpyrazine

C11H9BrN2O (263.9898)

1,2-Benziodoxol-3(1H)-one,1-hydroxy-

1-Hydroxy-3-oxo-1,3-dihydro-1,2-benzoiodoxole

C7H5IO3 (263.9283)

5-Bromo-N-ethylpyridine-3-sulfonamide

C7H9BrN2O2S (263.9568)

Mercurous Nitrate

HgNO3 (263.9585)

Kathon 886

C8H9ClN2O2S2 (263.9794)

6-(4-bromophenoxy)pyridin-3-amine

C11H9BrN2O (263.9898)

2-BROMO-6-CHLORO-3-METHOXYPHENYLBORONIC ACID

C7H7BBrClO3 (263.936)

1,1,3,3,4,5,6,7-OCTAFLUORO-1,3-DIHYDRO-ISOBENZOFURAN

C8F8O (263.9821)

4-[(4,6-Dichloropyrimidin-2-yl)amino]benzonitrile

C11H6Cl2N4 (263.9969)

5-Bromo-N,N-dimethylpyridine-3-sulfonamide

C7H9BrN2O2S (263.9568)

2-bromo-1-(1-phenylpyrazol-4-yl)ethanone

C11H9BrN2O (263.9898)

2-(6-Bromonaphthalen-2-yl)acetic acid

C12H9BrO2 (263.9786)

Ethyl 5-bromo-2,3-difluorobenzoate

C9H7BrF2O2 (263.9597)

4,6-dichloro-1-phenylpyrazolo[3,4-d]pyrimidine

C11H6Cl2N4 (263.9969)

Chloralodol

2-methyl-4-(2,2,2-trichloro-1-hydroxyethoxy)pentan-2-ol

C8H15Cl3O3 (264.0087)

N - Nervous system > N05 - Psycholeptics > N05C - Hypnotics and sedatives > N05CC - Aldehydes and derivatives C78272 - Agent Affecting Nervous System > C29756 - Sedative and Hypnotic

Methyl 5-bromo-2-naphthoate

C12H9BrO2 (263.9786)

Benzoic acid,2-[(4-chlorophenyl)thio]-

C13H9ClO2S (264.0012)

[5-(hydroxymethyl)-2-(trichloromethyl)-1,3-dioxan-5-yl]methanol

C7H11Cl3O4 (263.9723)

4-bromo-6-(trifluoromethyl)benzimidazole

C8H4BrF3N2 (263.951)

6-Bromo-2-chloro-3-methoxyphenylboronic acid

C7H7BBrClO3 (263.936)

4-Bromophenyl phenyl sulfide

C12H9BrS (263.9608)

Methyl 6-bromo-2-naphthoate

C12H9BrO2 (263.9786)

Methyl [4-(chlorosulfonyl)phenoxy]acetate

C9H9ClO5S (263.9859)

tin (ii) octoate

C8H16O2Sn (264.0172)

2-BROMO-1-[4-(2-FURYL)PHENYL]ETHANONE

C12H9BrO2 (263.9786)

3-Bromo-2-chloro-6-methoxyphenylboronic acid

C7H7BBrClO3 (263.936)

4-Bromo-6-(trifluoromethyl)-1H-indazole

C8H4BrF3N2 (263.951)

Pralidoxime Iodide

C7H9IN2O (263.976)

D018377 - Neurotransmitter Agents > D018678 - Cholinergic Agents > D002801 - Cholinesterase Reactivators C78272 - Agent Affecting Nervous System > C47796 - Cholinergic Agonist D020011 - Protective Agents > D000931 - Antidotes D004793 - Enzyme Reactivators

2-Iodosobenzoic acid

2-Iodosylbenzoic acid

C7H5IO3 (263.9283)

D004791 - Enzyme Inhibitors

D018977 - Micronutrients > D014131 - Trace Elements

4-(bromomethyl)naphthalene-1-carboxylic acid

C12H9BrO2 (263.9786)

2,3,5,6-TETRAFLUORO-4-TRIFLUOROMETHYL-BENZOYL FLUORIDE

C8F8O (263.9821)

4-Chloro-3-nitro-N,N-dimethylbenzenesulfamide

C8H9ClN2O4S (263.9972)

(R)-2-((5-BROMO-2,3-DIFLUOROPHENOXY)METHYL)OXIRANE

C9H7BrF2O2 (263.9597)

2-[(5-Chloropyridin-2-yl)amino]-2-oxoacetic acid ethyl ester monohydrochloride

C9H9ClN2O3.HCl (264.0068)

3,3-Carbonylbis-2-thiazolidinethione

C7H8N2OS4 (263.9519)

4-bromo-3-chloro-N-methyl-2-nitroaniline

C7H6BrClN2O2 (263.9301)

5-bromo-3-(trifluoromethyl)benzofuran

C9H4BrF3O (263.9398)

2-iodo-4-methyl-3-nitropyridine

C6H5IN2O2 (263.9396)

Ethyl Nonafluorobutyl Ether (Mixture of isoMers)

C6H5F9O (264.0197)

3,4,6-trichloro-5-(trifluoroMethyl)pyridin-2-aMine

C6H2Cl3F3N2 (263.9236)

1-(2-fluoro-4-iodophenyl)ethanone

C8H6FIO (263.9447)

3-(Trifluoromethoxy)phenylmagnesium bromide 0.5 in THF

C7H4BrF3MgO (263.9248)

Methyl 6-aMino-5-broMo-3-chloropicolinate

C7H6BrClN2O2 (263.9301)

Ethyl 4,6-dichloro-5-nitronicotinate

C8H6Cl2N2O4 (263.9705)

6-bromonaphthalene-2-carbohydrazide

C11H9BrN2O (263.9898)

1-Propanol,3-[(4,5-dichloro-2-nitrophenyl)amino]-

C9H10Cl2N2O3 (264.0068)

3-Bromo-6-(trifluoromethyl)imidazo[1,2-a]pyridine

C8H4BrF3N2 (263.951)

(2-AMINO-5-BROMOTHIAZOL-4-YL)OXOACETIC ACID METHYL ESTER

C6H5BrN2O3S (263.9204)

9-Bromo-[1,2,4]triazolo[1,5-c]quinazolin-5(6H)-one

C9H5BrN4O (263.9647)

Potassium diisobutyl dithiophosphate

C8H18KOPS2+ (264.0174)

IMIDAZO[1,2-A]PYRIDINE, 3-BROMO-2-(TRIFLUOROMETHYL)-

C8H4BrF3N2 (263.951)

3-Bromo-5-(trifluoromethyl)-7-azaindole

C8H4BrF3N2 (263.951)

5h-octafluoropentanoyl chloride

C5HClF8O (263.9588)

4-bromo-1-Methoxy-2-(Methylsulfonyl)benzene

C8H9BrO3S (263.9456)

METHYL 2-[(2,6-DICHLOROBENZYL)THIO]ACETATE

C10H10Cl2O2S (263.9779)

5-chlorosulfonyl-2-ethoxybenzoic acid

C9H9ClO5S (263.9859)

3-BROMO-4-(1H-PYRAZOL-1-YL)ACETOPHENONE

C11H9BrN2O (263.9898)

2-(5,7-DICHLORO-1H-INDOL-3-YL)-ETHYLAMINE HYDROCHLORIDE

C10H11Cl3N2 (263.9988)

2-Iodo-1,4-dimethoxybenzene

C8H9IO2 (263.9647)

[3-(chlorosulfonyl)-4-methoxyphenyl]acetic acid(SALTDATA: FREE)

C9H9ClO5S (263.9859)

8-CHLORO-6-(TRIFLUOROMETHYL)IMIDAZO[1,2-A]PYRIDINE-2-CARBOXYLIC ACID

C9H4ClF3N2O2 (263.9913)

5-Hydroxy-2-iodobenzoic acid

C7H5IO3 (263.9283)

POTASSIUM TRIFLUORO(2-(METHYLSULFONYL)PYRIMIDIN-5-YL)BORATE

C5H5BF3KN2O2S (263.9754)

2,3,6-Trichloro-5-cyano-4-hydroxybenzamide

C8H3Cl3N2O2 (263.926)

FT-sulfonic_acid; C4H3F7O3S

C4H3F7O3S (263.9691)

4-Hydroxy-3-methyl butyl diphosphate

C5H14O8P2 (264.0164)

3-Methylbutylsulfanyl(phosphonooxy)phosphinic acid

C5H14O6P2S (263.9986)

4-Methylgallic acid 3-sulfate

3-Hydroxy-4-methoxy-5-(sulfooxy)benzoic acid

C8H8O8S (263.994)

CTHZ-p

C7H7NO6PS-3 (263.9732)

2-[(2R,5Z)-2-Carboxy-4-methylthiazol-5(2H)-ylidene]ethyl phosphate

C7H7NO6PS-3 (263.9732)

4-iodobutylphosphonic Acid

C4H10IO3P (263.9412)

(E)-2-bromo-4,6-dioxohept-2-enedioic acid

C7H5BrO6 (263.9269)

2-(Hydroxyiminomethyl)-1-methylpyridinium iodide

C7H9IN2O (263.976)

(TBPY-5)-pentaoxotungstate(4-)

O5W-4 (263.9255)

4-Methyl-5-[2-(phosphonatooxy)ethylidene]-2,5-dihydro-1,3-thiazole-2-carboxylate

C7H7NO6PS-3 (263.9732)

3-Hydroxy-5-methoxy-4-sulooxybenzoic acid

C8H8O8S (263.994)

2,2,3,4,4,4-Hexafluoro-3-(trifluoromethyl)butanoic acid

C5HF9O2 (263.9833)

2,3,5,7,9-Pentathiadecane 2,2-dioxide

C5H12O2S5 (263.9441)

Thioxanthine monophosphate

C5H5N4O5PS (263.9718)

Methylgallic acid-O-sulphate

C8H8O8S (263.994)

5,8-Dihydro-6-(4-methyl-3-pentenyl)-1,2,3,4-tetrathiocin

C10H16S4 (264.0135)

Methylgallic O-sulfate

C8H8O8S (263.994)

(R,Z)- 2-carboxylato-4-methyl-5-[(2-phosphonatooxy)ethylidene]-2,5-dihydrothiazole(3-)

C7H7NO6PS (263.9732)

The organophosphate oxoanion that is the 2R,5Z isomer of 2-carboxylato-4-methyl-5-[(2-phosphonatooxy)ethylidene]-2,5-dihydrothiazole(3-); protonated to pH 7.3.