Exact Mass: 138.0542

Exact Mass Matches: 138.0542

Found 125 metabolites which its exact mass value is equals to given mass value 138.0542, within given mass tolerance error 0.01 dalton. Try search metabolite list with more accurate mass tolerance error 0.001 dalton.

Benzyl methyl sulfide

[(methylthio)Methyl]benzene, 9ci

C8H10S (138.0503)


Benzyl methyl sulfide is found in animal foods. Benzyl methyl sulfide is a flavouring agent. Benzyl methyl sulfide is present in cooked por Benzyl methyl sulfide is a flavouring agent. It is found in animal foods, specifically cooked pork.

   

8-Hydroxypurine

7,9-dihydro-8H-Purin-8-one (acd/name 4.0)

C5H6N4O (138.0542)


8-Hydroxypurine, the C(8)-oxidized purine bases, has been detected in neoplastic liver of fish, as well as in urine samples of humans.(PMID: 2519715). 8-Hydroxypurine derivatives have been reported to have a wide range of biological activities, such as corticotropin-releasing hormone receptor antagonism,anti-rhinovirus activity,xanthine oxidase inhibiting activity and excellent binding affinity to a benzodiazepine receptor. 8-Hydroxypurine, the C(8)-oxidized purine bases, has been detected in neoplastic liver of fish, as well as in urine samples of humans.(PMID: 2519715)

   

2,6-Dimethylbenzenethiol

2,6-dimethylbenzene-1-thiol

C8H10S (138.0503)


2,6-Dimethylbenzenethiol is found in animal foods. 2,6-Dimethylbenzenethiol is present in boiled beef. 2,6-Dimethylbenzenethiol is a flavouring ingredien Present in boiled beef. Flavouring ingredient. 2,6-Dimethylbenzenethiol is found in animal foods.

   

(+/-)-1-Phenylethylmercaptan

alpha-Methyl-(S)-benzenemethanethiol

C8H10S (138.0503)


(+/-)-1-Phenylethylmercaptan is used as a food additive [EAFUS] ("EAFUS: Everything Added to Food in the United States. [http://www.eafus.com/]")

   

2-Phenylethanethiol

beta-Phenylethyl mercaptan

C8H10S (138.0503)


2-Phenylethanethiol is a food flavourin

   

2-Ethylbenzenethiol

2-ethylbenzene-1-thiol

C8H10S (138.0503)


2-Ethylbenzenethiol is a flavouring ingredient especially for instant coffee. Flavouring ingredient especies for instant coffee

   

ISOPROPYL METHYLPHOSPHONATE

methyl(propan-2-yloxy)phosphinic acid

C4H11O3P (138.0446)


   

1-Undecene-3,5,7,9-tetrayne|undec-1-ene-3,5,7,9-tetrayne|Undeca-1-en-3,5,7,9-tetrain

1-Undecene-3,5,7,9-tetrayne|undec-1-ene-3,5,7,9-tetrayne|Undeca-1-en-3,5,7,9-tetrain

C11H6 (138.0469)


   

Phenylacetyl fluoride

Phenylacetyl fluoride

C8H7FO (138.0481)


   

Purin-8-ol

7,9-dihydro-8H-Purin-8-one (acd/name 4.0)

C5H6N4O (138.0542)


   

Benzylmethylsulphide

[(methylthio)Methyl]benzene, 9ci

C8H10S (138.0503)


   

FEMA 3666

2,6-dimethylbenzene-1-thiol

C8H10S (138.0503)


   

1-Phenylethanethiol

alpha-Methyl-(S)-benzenemethanethiol

C8H10S (138.0503)


   

Benzeneethanethiol

β-phenylethyl mercaptan

C8H10S (138.0503)


   

FEMA 3345

2-ethylbenzene-1-thiol

C8H10S (138.0503)


   
   

5-Fluoro-2-methylbenzaldehyde

5-Fluoro-2-methylbenzaldehyde

C8H7FO (138.0481)


   

2-Fluoro-4-methylbenzaldehyde

2-Fluoro-4-methylbenzaldehyde

C8H7FO (138.0481)


   

4-Chloro-2-(piperazin-1-yl)pyrimidine Hydrochloride

4-Chloro-2-(piperazin-1-yl)pyrimidine Hydrochloride

C5H7BN2O2 (138.0601)


   

Pyrazinoic acid hydrazide

Pyrazinoic acid hydrazide

C5H6N4O (138.0542)


   

L-2-Aminobutanamide hydrochloride

L-2-Aminobutanamide hydrochloride

C4H11ClN2O (138.056)


   

Benzenethiol, dimethyl-

Benzenethiol, dimethyl-

C8H10S (138.0503)


   

2-Pyrimidinecarboxylic acid, hydrazide (9CI)

2-Pyrimidinecarboxylic acid, hydrazide (9CI)

C5H6N4O (138.0542)


   

3-methylbenzyl mercaptan

3-methylbenzyl mercaptan

C8H10S (138.0503)


   

oxolan-3-ylhydrazine

oxolan-3-ylhydrazine

C4H11ClN2O (138.056)


   

Diethyl phosphite

Diethyl phosphite

C4H11O3P (138.0446)


   

2,4-Diaminopyrimidine-5-carboxaldehyde

2,4-Diaminopyrimidine-5-carboxaldehyde

C5H6N4O (138.0542)


   

2,2-difluoropentanoic acid

2,2-difluoropentanoic acid

C5H8F2O2 (138.0492)


   

(3-Fluorophenyl)acetaldehyde

(3-Fluorophenyl)acetaldehyde

C8H7FO (138.0481)


   

2-Amino-N-methylethanesulfonamide hydrochloride

2-Amino-N-methylethanesulfonamide hydrochloride

C3H10N2O2S (138.0463)


   

2-Fluoro-6-methylbenzaldehyde

2-Fluoro-6-methylbenzaldehyde

C8H7FO (138.0481)


   

2-Hydroxybenzene boronic acid

2-Hydroxybenzene boronic acid

C6H7BO3 (138.0488)


   

3-Fluorobenzenecarboximidamide

3-Fluorobenzenecarboximidamide

C7H7FN2 (138.0593)


   

5-Aminopyridin-3-ylboronic acid

5-Aminopyridin-3-ylboronic acid

C5H7BN2O2 (138.0601)


   

(S)-1-Phenylethanethiol

(S)-1-Phenylethanethiol

C8H10S (138.0503)


   

(R)-1-Phenylethanethiol

(R)-1-Phenylethanethiol

C8H10S (138.0503)


   

2-Fluoro-3-methylbenzaldehyde

2-Fluoro-3-methylbenzaldehyde

C8H7FO (138.0481)


   

pyridazine-3-carbohydrazide

pyridazine-3-carbohydrazide

C5H6N4O (138.0542)


   

Urea, 2-pyrimidinyl- (6CI,8CI,9CI)

Urea, 2-pyrimidinyl- (6CI,8CI,9CI)

C5H6N4O (138.0542)


   

(s)-2-amino-butylactamide

(s)-2-amino-butylactamide

C4H11ClN2O (138.056)


   

4-Fluoroacetophenone

4-Fluoroacetophenone

C8H7FO (138.0481)


   

3-Amino-2-pyrazinecarboxamide

3-Amino-2-pyrazinecarboxamide

C5H6N4O (138.0542)


   

5-Aminopyridine-2-boronic acid

5-Aminopyridine-2-boronic acid

C5H7BN2O2 (138.0601)


   

6-Aminopyridine-2-boronic acid

6-Aminopyridine-2-boronic acid

C5H7BN2O2 (138.0601)


   

4-Fluoro-3-vinylphenol

4-Fluoro-3-vinylphenol

C8H7FO (138.0481)


   

4-Fluoro-3-methylbenzaldehyde

4-Fluoro-3-methylbenzaldehyde

C8H7FO (138.0481)


   

3-Fluoro-2-methylbenzaldehyde

3-Fluoro-2-methylbenzaldehyde

C8H7FO (138.0481)


   

Butylphosphonic acid

Phosphonic acid,P-butyl-

C4H11O3P (138.0446)


   

4-Aminopyridine-3-boronic acid

4-Aminopyridine-3-boronic acid

C5H7BN2O2 (138.0601)


   

(2-Methylpyrimidin-5-yl)boronic acid

(2-Methylpyrimidin-5-yl)boronic acid

C5H7BN2O2 (138.0601)


   

4-methylthioanisole

Methyl p-tolyl sulfide

C8H10S (138.0503)


   

phenylethylthiol

phenylethylthiol

C8H10S (138.0503)


   

4-Ethylbenzenethiol

4-Ethylbenzenethiol

C8H10S (138.0503)


   

2-chloro-1,1-dimethoxypropane

2-chloro-1,1-dimethoxypropane

C5H11ClO2 (138.0448)


   

4-Hydroxyphenylboronic acid

4-Hydroxyphenylboronic acid

C6H7BO3 (138.0488)


   

6-Aminopyridin-3-ylboronic acid

6-Aminopyridin-3-ylboronic acid

C5H7BN2O2 (138.0601)


   

2,4-dimethylthiophenol

2,4-dimethylthiophenol

C8H10S (138.0503)


   

4-aminopyrimidine-5-carboxamide

4-aminopyrimidine-5-carboxamide

C5H6N4O (138.0542)


   

1-chloro-6-fluorohexane

1-chloro-6-fluorohexane

C6H12ClF (138.0612)


   

5-Amino-2-pyrazinecarboxamide

5-Amino-2-pyrazinecarboxamide

C5H6N4O (138.0542)


   

3-Pyridazinecarboxamidoxime

3-Pyridazinecarboxamidoxime

C5H6N4O (138.0542)


   

5-Pyrimidinecarboximidamide, N-hydroxy- (9CI)

5-Pyrimidinecarboximidamide, N-hydroxy- (9CI)

C5H6N4O (138.0542)


   

2-Methylbenzyl mercaptan

2-Methylbenzyl mercaptan

C8H10S (138.0503)


   

4,5,6,7-Tetrahydro-1-benzothiophene

4,5,6,7-Tetrahydro-1-benzothiophene

C8H10S (138.0503)


   

(2-Amino-4-pyridinyl)boronic acid

(2-Amino-4-pyridinyl)boronic acid

C5H7BN2O2 (138.0601)


   

3-Chloro-1,1-dimethoxypropane

3-Chloro-1,1-dimethoxypropane

C5H11ClO2 (138.0448)


   

Boronic acid, (2-methyl-4-pyrimidinyl)- (9CI)

Boronic acid, (2-methyl-4-pyrimidinyl)- (9CI)

C5H7BN2O2 (138.0601)


   

2-Pyrimidinecarboximidamide,N-hydroxy-

2-Pyrimidinecarboximidamide,N-hydroxy-

C5H6N4O (138.0542)


   

4-Pyrimidinecarboximidamide,N-hydroxy-

4-Pyrimidinecarboximidamide,N-hydroxy-

C5H6N4O (138.0542)


   

(4-Fluorophenyl)acetaldehyde

(4-Fluorophenyl)acetaldehyde

C8H7FO (138.0481)


   

3-Fluoro-5-methylbenzaldehyde

3-Fluoro-5-methylbenzaldehyde

C8H7FO (138.0481)


   

4-Morpholinamine, hydrochloride

4-Morpholinamine, hydrochloride

C4H11ClN2O (138.056)


   

1-(2-Fluorophenyl)ethanone

1-(2-Fluorophenyl)ethanone

C8H7FO (138.0481)


   

2-fluoroacetophenone

2-fluoroacetophenone

C8H7FO (138.0481)


   

5-Aminopyrimidine-2-carboxamide

5-Aminopyrimidine-2-carboxamide

C5H6N4O (138.0542)


   

4-Aminobutanamide hydrochloride (1:1)

4-Aminobutanamide hydrochloride (1:1)

C4H11ClN2O (138.056)


   

dioxido-oxo-tert-butyl-phosphorane

dioxido-oxo-tert-butyl-phosphorane

C4H11O3P (138.0446)


   

2-FLUOROBENZAMIDINE

2-FLUOROBENZAMIDINE

C7H7FN2 (138.0593)


   

2-Amino-N,N-dimethylacetamide hydrochloride

2-Amino-N,N-dimethylacetamide hydrochloride

C4H11ClN2O (138.056)


   

Ethyl 2,2-difluoropropanoate

Ethyl 2,2-difluoropropanoate

C5H8F2O2 (138.0492)


   

2-(2-fluorophenyl)acetaldehyde

2-(2-fluorophenyl)acetaldehyde

C8H7FO (138.0481)


   

5-METHYLPYRAZINE-2-BORONIC ACID

5-METHYLPYRAZINE-2-BORONIC ACID

C5H7BN2O2 (138.0601)


   

B-(4-Methyl-5-pyrimidinyl)Boronic acid

B-(4-Methyl-5-pyrimidinyl)Boronic acid

C5H7BN2O2 (138.0601)


   

dimethylphenylphosphine

dimethylphenylphosphine

C8H11P (138.0598)


   

PYRIMIDINE-4-CARBOXYLIC ACID HYDRAZIDE

PYRIMIDINE-4-CARBOXYLIC ACID HYDRAZIDE

C5H6N4O (138.0542)


   

N-Propylsulfuric diamide

N-Propylsulfuric diamide

C3H10N2O2S (138.0463)


   

4-methylbenzyl mercaptan

4-methylbenzyl mercaptan

C8H10S (138.0503)


   

2-Fluoro-5-methylbenzaldehyde

2-Fluoro-5-methylbenzaldehyde

C8H7FO (138.0481)


   

3-fluoro-4-methylbenzaldehyde

3-fluoro-4-methylbenzaldehyde

C8H7FO (138.0481)


   

2-Amino-2-methylpropanamide hydrochloride

2-Amino-2-methylpropanamide hydrochloride

C4H11ClN2O (138.056)


   

2,6-Pyridinediamine,3-nitroso-

2,6-Pyridinediamine,3-nitroso-

C5H6N4O (138.0542)


   

4-(Fluoromethyl)-Benzaldehyde

4-(Fluoromethyl)-Benzaldehyde

C8H7FO (138.0481)


   

5-Pyrimidinecarboxaldehyde, 2-amino-, oxime (9CI)

5-Pyrimidinecarboxaldehyde, 2-amino-, oxime (9CI)

C5H6N4O (138.0542)


   

1-(3-Fluorophenyl)ethanone

1-(3-Fluorophenyl)ethanone

C8H7FO (138.0481)


   

(S)-2-Amino-N-methylpropanamide hydrochloride

(S)-2-Amino-N-methylpropanamide hydrochloride

C4H11ClN2O (138.056)


   

1,4,5-Oxadiazepane hydrochloride (1:1)

1,4,5-Oxadiazepane hydrochloride (1:1)

C4H11ClN2O (138.056)


   

(S)-(tetrahydrofuran-3-yl)hydrazine hydrochloride

(S)-(tetrahydrofuran-3-yl)hydrazine hydrochloride

C4H11ClN2O (138.056)


   

5-FLUORO-2,3-DIHYDROBENZOFURAN

5-FLUORO-2,3-DIHYDROBENZOFURAN

C8H7FO (138.0481)


   

1-(2-chloroethoxy)2-methoxyethane

1-(2-chloroethoxy)2-methoxyethane

C5H11ClO2 (138.0448)


   

2-(4-Fluorophenyl)oxirane

2-(4-Fluorophenyl)oxirane

C8H7FO (138.0481)


   

Pyrazine-2-carboxamide oxime

Pyrazine-2-carboxamide oxime

C5H6N4O (138.0542)


   

pyrimidine-5-carbohydrazide

pyrimidine-5-carbohydrazide

C5H6N4O (138.0542)


   

3,4-Dimethylbenzenethiol

3,4-Dimethylbenzenethiol

C8H10S (138.0503)


   

2,5-DIMETHYLTHIOPHENOL

2,5-DIMETHYLTHIOPHENOL

C8H10S (138.0503)


   

(R)-2-(4-FLUOROPHENYL)OXIRANE

(R)-2-(4-FLUOROPHENYL)OXIRANE

C8H7FO (138.0481)


   

(S)-(4-Fluorophenyl)oxirane

(S)-(4-Fluorophenyl)oxirane

C8H7FO (138.0481)


   

3-METHYLTHIOANISOLE

3-METHYLTHIOANISOLE

C8H10S (138.0503)


   

Propanoic acid, 3-fluoro-2-(fluoromethyl)-2-methyl-

Propanoic acid, 3-fluoro-2-(fluoromethyl)-2-methyl-

C5H8F2O2 (138.0492)


   

4-Pyridazinecarboxylicacid,hydrazide(9CI)

4-Pyridazinecarboxylicacid,hydrazide(9CI)

C5H6N4O (138.0542)


   

(3,5-DIMETHYL-1-PHENYL-1H-PYRAZOL-4-YL)METHANOL

(3,5-DIMETHYL-1-PHENYL-1H-PYRAZOL-4-YL)METHANOL

C8H11P (138.0598)


   

3-ethylbenzenethiol

3-ethylbenzenethiol

C8H10S (138.0503)


   

3-Hydroxyphenylboronic acid

3-Hydroxyphenylboronic acid

C6H7BO3 (138.0488)


   

dimethyl ethylphosphonate

dimethyl ethylphosphonate

C4H11O3P (138.0446)


   

4-Fluoro-2-methylbenzaldehyde

4-Fluoro-2-methylbenzaldehyde

C8H7FO (138.0481)


   

3,5-DIMETHYLTHIOPHENOL

3,5-DIMETHYLTHIOPHENOL

C8H10S (138.0503)


   

1-Chloro-3-ethoxy-2-propanol

1-Chloro-3-ethoxy-2-propanol

C5H11ClO2 (138.0448)


   

N-Methylnicotinic acid

N-Methylnicotinic acid

C7H8NO2+ (138.0555)


A pyridinium ion consisting of nicotinic acid having a methyl substituent on the pyridine nitrogen.

   

1-Naphthylborylene

1-Naphthylborylene

C10H7B (138.0641)


   

1-(Carboxymethyl)pyridin-1-ium

1-(Carboxymethyl)pyridin-1-ium

C7H8NO2+ (138.0555)


   

(4-Carboxyphenyl)azanium

(4-Carboxyphenyl)azanium

C7H8NO2+ (138.0555)


   

Benzyl methyl sulfide

Benzyl methyl sulfide

C8H10S (138.0503)


   

2-Ethylbenzenethiol

2-Ethylbenzenethiol

C8H10S (138.0503)


   

4-carboxyanilinium

4-carboxyanilinium

C7H8NO2 (138.0555)


A primary ammonium ion that is the conjugate acid of 4-aminobenzoic acid resulting from the protonation of the amino group.

   

undec-1-en-3,5,7,9-tetrayne

undec-1-en-3,5,7,9-tetrayne

C11H6 (138.0469)


   

6-carboxy-1-methyl-2h-pyridin-2-yl

6-carboxy-1-methyl-2h-pyridin-2-yl

C7H8NO2 (138.0555)