Exact Mass: 257.005511

Exact Mass Matches: 257.005511

Found 68 metabolites which its exact mass value is equals to given mass value 257.005511, within given mass tolerance error 0.01 dalton. Try search metabolite list with more accurate mass tolerance error 0.001 dalton.

Barban

4-chlorobut-2-yn-1-yl N-(3-chlorophenyl)carbamate

C11H9Cl2NO2 (257.0010314)


   

Romifidine

Romifidine

C9H9BrFN3 (256.9963826)


D002491 - Central Nervous System Agents > D002492 - Central Nervous System Depressants > D000777 - Anesthetics D018377 - Neurotransmitter Agents > D018663 - Adrenergic Agents > D000322 - Adrenergic Agonists C78272 - Agent Affecting Nervous System > C47794 - Serotonin Agonist Romifidine is an α2 adrenergic receptor agonist. Romifidine shows sedation effects in vivo[1][2].

   

alpha-(2,4-dichlorophenyl)-1H-1,2,4-triazole-1-ethanol

alpha-(2,4-dichlorophenyl)-1H-1,2,4-triazole-1-ethanol

C10H9Cl2N3O (257.0122644)


   

PRP_M258

1-(2,4-Dichlorophenyl)-2-(1,2,4-triazol-1-yl)ethanol

C10H9Cl2N3O (257.0122644)


CONFIDENCE Transformation product, tentative ID (Level 2b); INTERNAL_ID 2403

   

(E)-2-(4-chlorophenylsulfonyl)-3-hydrazinylacrylonitrile

(E)-2-(4-chlorophenylsulfonyl)-3-hydrazinylacrylonitrile

C9H8ClN3O2S (257.0025738)


   

Ethyl 4,6-dichloro-1H-indole-2-carboxylate

Ethyl 4,6-dichloro-1H-indole-2-carboxylate

C11H9Cl2NO2 (257.0010314)


   
   

1-NITRO-4-(PERFLUOROETHOXY)BENZENE

1-NITRO-4-(PERFLUOROETHOXY)BENZENE

C8H4F5NO3 (257.0111334)


   

4-Bromo-2-ethoxy-N-methylbenzamide

4-Bromo-2-ethoxy-N-methylbenzamide

C10H12BrNO2 (257.0051352)


   

2-(4-(Trifluoromethyl)phenyl)thiazole-5-carbaldehyde

2-(4-(Trifluoromethyl)phenyl)thiazole-5-carbaldehyde

C11H6F3NOS (257.0122182)


   

3-AMINO-3-(4-BROMO-3-METHYL-PHENYL)-PROPIONIC ACID

3-AMINO-3-(4-BROMO-3-METHYL-PHENYL)-PROPIONIC ACID

C10H12BrNO2 (257.0051352)


   

2-Methyl-2-propanyl 5-bromo-2-pyridinecarboxylate

2-Methyl-2-propanyl 5-bromo-2-pyridinecarboxylate

C10H12BrNO2 (257.0051352)


   

4-BROMO-3-METHOXY-N,N-DIMETHYLBENZAMIDE

4-BROMO-3-METHOXY-N,N-DIMETHYLBENZAMIDE

C10H12BrNO2 (257.0051352)


   

4-BROMO-N-ETHYL-3-METHOXYBENZAMIDE

4-BROMO-N-ETHYL-3-METHOXYBENZAMIDE

C10H12BrNO2 (257.0051352)


   

2-bromo-N-(4-methoxyphenyl)-N-methylacetamide

2-bromo-N-(4-methoxyphenyl)-N-methylacetamide

C10H12BrNO2 (257.0051352)


   

ethyl N-(4-bromo-2-methylphenyl)carbamate

ethyl N-(4-bromo-2-methylphenyl)carbamate

C10H12BrNO2 (257.0051352)


   

4-Pyridinecarboxylic acid, 2-bromo-, 1,1-dimethylethyl ester

4-Pyridinecarboxylic acid, 2-bromo-, 1,1-dimethylethyl ester

C10H12BrNO2 (257.0051352)


   

Benzene, 2-bromo-1,3-diethyl-5-nitro

Benzene, 2-bromo-1,3-diethyl-5-nitro

C10H12BrNO2 (257.0051352)


   

2-Bromo-6-(tetrahydropyran-4-yloxy)pyridine

2-Bromo-6-(tetrahydropyran-4-yloxy)pyridine

C10H12BrNO2 (257.0051352)


   

TERT-BUTYL 5-BROMONICOTINATE

TERT-BUTYL 5-BROMONICOTINATE

C10H12BrNO2 (257.0051352)


   

1-Bromo-4-isobutyl-2-nitrobenzene

1-Bromo-4-isobutyl-2-nitrobenzene

C10H12BrNO2 (257.0051352)


   

3-AMINO-3-(2-BROMO-4-METHYL-PHENYL)-PROPIONIC ACID

3-AMINO-3-(2-BROMO-4-METHYL-PHENYL)-PROPIONIC ACID

C10H12BrNO2 (257.0051352)


   

1,3-Dichloro-6,7-dimethoxyisoquinoline

1,3-Dichloro-6,7-dimethoxyisoquinoline

C11H9Cl2NO2 (257.0010314)


   

Ethyl 7-amino-3-chlorothieno[2,3-b]pyrazine-6-carboxylate

Ethyl 7-amino-3-chlorothieno[2,3-b]pyrazine-6-carboxylate

C9H8ClN3O2S (257.0025738)


   

1,2,3,4-tetrahydro-3-isoquinoline carboxylic acid hydrobromide

1,2,3,4-tetrahydro-3-isoquinoline carboxylic acid hydrobromide

C10H12BrNO2 (257.0051352)


   

4-Bromo-N-(2-hydroxyethyl)-3-methylbenzamide

4-Bromo-N-(2-hydroxyethyl)-3-methylbenzamide

C10H12BrNO2 (257.0051352)


   

morpholine-4-carboximidamide,hydroiodide

morpholine-4-carboximidamide,hydroiodide

C5H12IN3O (257.0025092)


   

METHYL 4-CHLORO-5,8-DIFLUORO-QUINOLINE-2-CARBOXYLATE

METHYL 4-CHLORO-5,8-DIFLUORO-QUINOLINE-2-CARBOXYLATE

C11H6ClF2NO2 (257.005511)


   

4-Bromo-2-propoxybenzamide

4-Bromo-2-propoxybenzamide

C10H12BrNO2 (257.0051352)


   

2-Amino-4-Isopropyl-5-Bromobenzoic Acid

2-Amino-4-Isopropyl-5-Bromobenzoic Acid

C10H12BrNO2 (257.0051352)


   

5-BROMO-2-((TETRAHYDRO-2H-PYRAN-4-YL)OXY)PYRIDINE

5-BROMO-2-((TETRAHYDRO-2H-PYRAN-4-YL)OXY)PYRIDINE

C10H12BrNO2 (257.0051352)


   

2-(aminomethyl)-3-(2-bromophenyl)propanoic acid

2-(aminomethyl)-3-(2-bromophenyl)propanoic acid

C10H12BrNO2 (257.0051352)


   

5,7-Dichloroindole-2-carboxylic acid ethyl ester

5,7-Dichloroindole-2-carboxylic acid ethyl ester

C11H9Cl2NO2 (257.0010314)


   

2-Bromo-alpha-methyl-L-phenylalanine

2-Bromo-alpha-methyl-L-phenylalanine

C10H12BrNO2 (257.0051352)


   

5-amino-4-(2,6-dichlorophenyl)-2-methyl-1H-pyrazol-3-one

5-amino-4-(2,6-dichlorophenyl)-2-methyl-1H-pyrazol-3-one

C10H9Cl2N3O (257.0122644)


   
   

Methyl 3-bromo-4-(dimethylamino)benzoate

Methyl 3-bromo-4-(dimethylamino)benzoate

C10H12BrNO2 (257.0051352)


   

2-bromo-n-(2-methoxyphenyl)propanamide

2-bromo-n-(2-methoxyphenyl)propanamide

C10H12BrNO2 (257.0051352)


   

2-BROMO-3-(TETRAHYDRO-2-PYRANYLOXY)PYRIDINE

2-BROMO-3-(TETRAHYDRO-2-PYRANYLOXY)PYRIDINE

C10H12BrNO2 (257.0051352)


   

propan-2-yl 2-amino-5-bromobenzoate

propan-2-yl 2-amino-5-bromobenzoate

C10H12BrNO2 (257.0051352)


   

4-bromo-N-ethyl-2-methoxybenzamide

4-bromo-N-ethyl-2-methoxybenzamide

C10H12BrNO2 (257.0051352)


   

tert-Butyl 2-bromonicotinate

tert-Butyl 2-bromonicotinate

C10H12BrNO2 (257.0051352)


   

4-bromo-N-(2-methoxyethyl)benzamide

4-bromo-N-(2-methoxyethyl)benzamide

C10H12BrNO2 (257.0051352)


   

2-(aminomethyl)-3-(3-bromophenyl)propanoic acid

2-(aminomethyl)-3-(3-bromophenyl)propanoic acid

C10H12BrNO2 (257.0051352)


   

2-bromo-1-(tert-butyl)-4-nitrobenzene

2-bromo-1-(tert-butyl)-4-nitrobenzene

C10H12BrNO2 (257.0051352)


   

1-Bromo-4-tert-butyl-2-nitrobenzene

1-Bromo-4-tert-butyl-2-nitrobenzene

C10H12BrNO2 (257.0051352)


   

Methyl 2-(2-aminoethyl)-5-bromobenzoate

Methyl 2-(2-aminoethyl)-5-bromobenzoate

C10H12BrNO2 (257.0051352)


   

1-(4-bromobutyl)-4-nitrobenzene

1-(4-bromobutyl)-4-nitrobenzene

C10H12BrNO2 (257.0051352)


   

METHYL 5,6-DICHLORO-3-INDOLEACETATE

METHYL 5,6-DICHLORO-3-INDOLEACETATE

C11H9Cl2NO2 (257.0010314)


   

2-(aminomethyl)-3-(4-bromophenyl)propanoic acid

2-(aminomethyl)-3-(4-bromophenyl)propanoic acid

C10H12BrNO2 (257.0051352)


   

N-(2-BroMoethyl-d4)phthaliMide

N-(2-BroMoethyl-d4)phthaliMide

C10H4BrD4NO2 (256.998945512)


   

t-butyl 6-bromo-3-pyridinecarboxylate

t-butyl 6-bromo-3-pyridinecarboxylate

C10H12BrNO2 (257.0051352)


   

2-[4-(trifluoromethyl)phenyl]-1,3-thiazole-4-carbaldehyde

2-[4-(trifluoromethyl)phenyl]-1,3-thiazole-4-carbaldehyde

C11H6F3NOS (257.0122182)


   

N-[4-(2-Bromo-ethoxy)-phenyl]-acetamide

N-[4-(2-Bromo-ethoxy)-phenyl]-acetamide

C10H12BrNO2 (257.0051352)


   

ethyl 3-(3-bromopyridin-4-yl)propanoate

ethyl 3-(3-bromopyridin-4-yl)propanoate

C10H12BrNO2 (257.0051352)


   

4-(2,6-Dichlorophenyl)-2,6-piperidinedione

4-(2,6-Dichlorophenyl)-2,6-piperidinedione

C11H9Cl2NO2 (257.0010314)


   

1-(4-Sulfamoylphenyl)-5-mercaptotetrazole

1-(4-Sulfamoylphenyl)-5-mercaptotetrazole

C7H7N5O2S2 (257.00411620000006)


   

Benzyl (2-bromoethyl)carbamate

Benzyl (2-bromoethyl)carbamate

C10H12BrNO2 (257.0051352)


   

Benzene,1-bromo-2,3,5,6-tetramethyl-4-nitro-

Benzene,1-bromo-2,3,5,6-tetramethyl-4-nitro-

C10H12BrNO2 (257.0051352)


   

Methyl 5-bromo-2-(dimethylamino)benzoate

Methyl 5-bromo-2-(dimethylamino)benzoate

C10H12BrNO2 (257.0051352)


   

3-Bromo-4-(propylamino)benzoic acid

3-Bromo-4-(propylamino)benzoic acid

C10H12BrNO2 (257.0051352)


   

3-bromo-4-(propan-2-ylamino)benzoic acid

3-bromo-4-(propan-2-ylamino)benzoic acid

C10H12BrNO2 (257.0051352)


   

Fermium

Fermium

Fm (257)


   
   
   

(1R,2S)-1-(S-L-cysteinyl)-2-hydroxypropylphosphonate(2-)

(1R,2S)-1-(S-L-cysteinyl)-2-hydroxypropylphosphonate(2-)

C6H12NO6PS-2 (257.0122942)


   
   

1-(2,4-Dichlorophenyl)-2-(1,2,4-triazol-1-yl)ethanol

1-(2,4-Dichlorophenyl)-2-(1,2,4-triazol-1-yl)ethanol

C10H9Cl2N3O (257.0122644)