Exact Mass: 138.9745

Exact Mass Matches: 138.9745

Found 72 metabolites which its exact mass value is equals to given mass value 138.9745, within given mass tolerance error 0.05 dalton. Try search metabolite list with more accurate mass tolerance error 0.01 dalton.

2-Sulfamoylacetic Acid

2-Sulphamoylacetic acid

C2H5NO4S (138.9939)


   

(R)-3-Amino-2-fluoropropyl phosphenite

(R)-3-Amino-2-fluoropropyl phosphenite

C3H7FNO2P (139.0198)


   

3,3-dichloroprop-2-enamide

3,3-dichloroprop-2-enamide

C3H3Cl2NO (138.9592)


   

3-Chlorpyrazin-2-carbonitril

3-Chlorpyrazin-2-carbonitril

C5H2ClN3 (138.9937)


   

Thiomorpholine Hydrochloride

Thiomorpholine Hydrochloride

C4H10ClNS (139.0222)


   

Thionicotinic Acid

Thionicotinic Acid

C6H5NOS (139.0092)


   

5-Chloro-2-pyrimidinecarbonitrile

5-Chloro-2-pyrimidinecarbonitrile

C5H2ClN3 (138.9937)


   

1-Amino-4-chloro-2-butyne hydrochloride

1-Amino-4-chloro-2-butyne hydrochloride

C4H7Cl2N (138.9956)


   

2,4-difluorobenzonitrile

2,4-difluorobenzonitrile

C7H3F2N (139.0234)


   

4H-Thieno[3,2-b]pyrrol-5(6H)-one

4H-Thieno[3,2-b]pyrrol-5(6H)-one

C6H5NOS (139.0092)


   

2,6-Difluorobenzonitrile

2,6-Difluorobenzonitrile

C7H3F2N (139.0234)


   

2-furfuryl isothiocyanate

2-furfuryl isothiocyanate

C6H5NOS (139.0092)


   

3-CHLOROPYRIDAZINE-4-CARBONITRILE

3-CHLOROPYRIDAZINE-4-CARBONITRILE

C5H2ClN3 (138.9937)


   

5-Methyl-thiphene-2-isocyanate

5-Methyl-thiphene-2-isocyanate

C6H5NOS (139.0092)


   

3,4-Difluorobenzonitrile

3,4-Difluorobenzonitrile

C7H3F2N (139.0234)


   

2-Chloropyrimidine-4-carbonitrile

2-Chloropyrimidine-4-carbonitrile

C5H2ClN3 (138.9937)


   

(2-(2,4-DICHLOROPHENOXY)ETHYL)THIOACETICACIDHYDRAZIDE

(2-(2,4-DICHLOROPHENOXY)ETHYL)THIOACETICACIDHYDRAZIDE

C4H4F3NO (139.0245)


   

6-chloropyrazinecarbonitrile

6-chloropyrazinecarbonitrile

C5H2ClN3 (138.9937)


   

1-bromo-2-methylpropane-3,3,3-d3

1-bromo-2-methylpropane-3,3,3-d3

C4H6BrD3 (139.0076)


   

6-Chloro-3-pyridazinecarbonitrile

6-Chloro-3-pyridazinecarbonitrile

C5H2ClN3 (138.9937)


   

2-Chloropyrimidine-5-carbonitrile

2-Chloropyrimidine-5-carbonitrile

C5H2ClN3 (138.9937)


   

(3E)-4-Amino-1,1,1-trifluoro-3-buten-2-one

(3E)-4-Amino-1,1,1-trifluoro-3-buten-2-one

C4H4F3NO (139.0245)


   

2-isocyanato-4-methylthiophene

2-isocyanato-4-methylthiophene

C6H5NOS (139.0092)


   

1,1,1-trifluoroacetone cyanohydrin

1,1,1-trifluoroacetone cyanohydrin

C4H4F3NO (139.0245)


   

Sodium nitromalonaldehyde

Sodium nitromalonaldehyde

C3H2NNaO4 (138.9882)


   

1-Bromobutane-d3

1-Bromobutane-d3

C4H6BrD3 (139.0076)


   

4-EthynylpyridineHCl

4-EthynylpyridineHCl

C7H6ClN (139.0189)


   

5-amino-2-methyl-thiazole-4-carbonitrile

5-amino-2-methyl-thiazole-4-carbonitrile

C5H5N3S (139.0204)


   

2-chlorobenzenediazonium

2-chlorobenzenediazonium

C6H4ClN2+ (139.0063)


   

(2,2,5-TRIMETHYL-[1,3]DIOXAN-5-YL)METHANOL

(2,2,5-TRIMETHYL-[1,3]DIOXAN-5-YL)METHANOL

C4H7Cl2N (138.9956)


   

5-Chloro-2-pyrazinecarbonitrile

5-Chloro-2-pyrazinecarbonitrile

C5H2ClN3 (138.9937)


   

4-Chloro-5-pyrimidinecarbonitrile

4-Chloro-5-pyrimidinecarbonitrile

C5H2ClN3 (138.9937)


   

5-(hydroxymethyl)thiophene-2-carbonitrile

5-(hydroxymethyl)thiophene-2-carbonitrile

C6H5NOS (139.0092)


   

5-isothiocyanato-1-methylpyrazole

5-isothiocyanato-1-methylpyrazole

C5H5N3S (139.0204)


   

Pyridine, 2-chloro-5-ethenyl- (9CI)

Pyridine, 2-chloro-5-ethenyl- (9CI)

C7H6ClN (139.0189)


   

2,3-Difluorobenzonitrile

2,3-Difluorobenzonitrile

C7H3F2N (139.0234)


   

3,5-Difluorobenzonitrile

3,5-Difluorobenzonitrile

C7H3F2N (139.0234)


   

guanidine monohydrobromide

guanidine monohydrobromide

CH6BrN3 (138.9745)


   

6-Chloropyrimidine-4-carbonitrile

6-Chloropyrimidine-4-carbonitrile

C5H2ClN3 (138.9937)


   

4-Chloro-2-pyrimidinecarbonitrile

4-Chloro-2-pyrimidinecarbonitrile

C5H2ClN3 (138.9937)


   

1H-Pyrazole,3-isothiocyanato-1-methyl-(9CI)

1H-Pyrazole,3-isothiocyanato-1-methyl-(9CI)

C5H5N3S (139.0204)


   

Thiazole, 2-ethynyl-4-methoxy- (9CI)

Thiazole, 2-ethynyl-4-methoxy- (9CI)

C6H5NOS (139.0092)


   

Bromonitromethane

Bromonitromethane

CH2BrNO2 (138.9269)


   

2-chloro-6-ethenylpyridine

2-chloro-6-ethenylpyridine

C7H6ClN (139.0189)


   

N-Sulfinylaniline

N-Sulfinylaniline

C6H5NOS (139.0092)


   

2-Pyrazinecarbothioamide

2-Pyrazinecarbothioamide

C5H5N3S (139.0204)


   

pyrimidine-5-carbothioamide

pyrimidine-5-carbothioamide

C5H5N3S (139.0204)


   

4,4,4-Trifluorocrotonamide

4,4,4-Trifluorocrotonamide

C4H4F3NO (139.0245)


   

5-Amino-3-methylisothiazole-4-carbonitrile

5-Amino-3-methylisothiazole-4-carbonitrile

C5H5N3S (139.0204)


   

2,5-Difluorobenzonitrile

2,5-Difluorobenzonitrile

C7H3F2N (139.0234)


   

2-(isocyanatomethyl)thiophene(SALTDATA: FREE)

2-(isocyanatomethyl)thiophene(SALTDATA: FREE)

C6H5NOS (139.0092)


   

4,5-dihydrothieno[2,3-c]pyrrol-6-one

4,5-dihydrothieno[2,3-c]pyrrol-6-one

C6H5NOS (139.0092)


   

Carbamoyl phosphate(2-)

Carbamoyl phosphate(2-)

CH2NO5P-2 (138.9671)


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Methylarsonate(1-)

Methylarsonate(1-)

CH4AsO3- (138.9376)


D010575 - Pesticides > D006540 - Herbicides D009676 - Noxae > D013723 - Teratogens D016573 - Agrochemicals

   

4-Fluorobenzoate

4-Fluorobenzoate

C7H4FO2- (139.0195)


A fluorobenzoate that is the conjugate base of 4-fluorobenzoic acid.

   

2-Fluorobenzoate

2-Fluorobenzoate

C7H4FO2- (139.0195)


   

3-Fluorobenzoate

3-Fluorobenzoate

C7H4FO2- (139.0195)


   

2-Amino-vinyl-phosphate

2-Amino-vinyl-phosphate

C2H6NO4P (139.0034)


   

5-Formyl-2-furoate

5-Formyl-2-furoate

C6H3O4- (139.0031)


   

(S)-2-hydroxypropylphosphonate

(S)-2-hydroxypropylphosphonate

C3H8O4P- (139.016)


The organophosphate oxoanion that is the anion formed from (S)-2-hydroxypropylphosphonic acid by loss of a single proton from the phosphate group; the major microspecies at pH 7.3.

   

cis-Dienelactone

cis-Dienelactone

C6H3O4- (139.0031)


   

4-Carboxylatomethylenebut-2-en-4-olide

4-Carboxylatomethylenebut-2-en-4-olide

C6H3O4- (139.0031)


   

2-Pyrone-6-carboxylate

2-Pyrone-6-carboxylate

C6H3O4- (139.0031)


   

2-Hydroxy-4-carboxypyrimidine

2-Hydroxy-4-carboxypyrimidine

C5H3N2O3- (139.0144)


   

(3-Chlorophenyl)iminoazanide

(3-Chlorophenyl)iminoazanide

C6H4ClN2- (139.0063)


   

Acetyl hydrogen phosphate

Acetyl hydrogen phosphate

C2H4O5P- (138.9796)


   

(R)-(2-Thienyl)hydroxyacetonitrile

(R)-(2-Thienyl)hydroxyacetonitrile

C6H5NOS (139.0092)


   

1-Propanesulfonothioate

1-Propanesulfonothioate

C3H7O2S2- (138.9887)


   

(S)-(3-Thienyl)(hydroxy)acetonitrile

(S)-(3-Thienyl)(hydroxy)acetonitrile

C6H5NOS (139.0092)


   

Sulfoethanethioaldehyde

Sulfoethanethioaldehyde

C2H3O3S2- (138.9524)


   

acetyl phosphate(1-)

acetyl phosphate(1-)

C2H4O5P (138.9796)


An acyl monophosphate(1-) that is the conjugate base of acetyl dihydrogen phosphate.

   

Carbamoyl phosphate(2-)

Carbamoyl phosphate(2-)

CH2NO5P (138.9671)


A doubly-charged organophosphate oxoanion arising from deprotonation of the phosphate OH groups of carbamoyl phosphate; major species at pH 7.3.