Exact Mass: 281.9938

Exact Mass Matches: 281.9938

Found 76 metabolites which its exact mass value is equals to given mass value 281.9938, within given mass tolerance error 0.01 dalton. Try search metabolite list with more accurate mass tolerance error 0.001 dalton.

POTASSIUM SODIUM TARTRATE TETRAHYDRATE

Potassium Sodium L-(+)-TartrateTetrahydrate

C4H12KNaO10 (281.9965)


C78276 - Agent Affecting Digestive System or Metabolism > C29697 - Laxative

   

5-Bromotryptophan

(2S)-2-Amino-3-(5-bromo-1H-indol-3-yl)propanoic acid

C11H11BrN2O2 (282.0004)


5-Bromotryptophan (CAS: 6548-09-0) belongs to the class of organic compounds known as indolyl carboxylic acids and derivatives. Indolyl carboxylic acids and derivatives are compounds containing a carboxylic acid chain (of at least 2 carbon atoms) linked to an indole ring. 5-Bromotryptophan has been identified in blood (PMID: 31396400). 5-Bromo-L-tryptophan is an α-amino acid derivative that can be found in Semenospongia sp.[1].

   

6-Bromo-L-tryptophan

(2S)-2-amino-3-(6-bromo-1H-indol-3-yl)propanoic acid

C11H11BrN2O2 (282.0004)


   

4-Hydroxy-5-(2,3,4,5,6-pentafluorophenyl)-1,3-dihydroimidazole-2-thione

4-hydroxy-5-(2,3,4,5,6-pentafluorophenyl)-2,3-dihydro-1H-imidazole-2-thione

C9H3F5N2OS (281.9886)


   
   

2-prop-1-inyl-5-(2-hydroxy-3-chloropropyl) dithiophene

2-prop-1-inyl-5-(2-hydroxy-3-chloropropyl) dithiophene

C13H11ClOS2 (281.994)


   

1-Deoxy,1-chloro-4-[5-Methyl-[2,2-bithiophen]-5-yl]-3-butyne-1,2-diol|5-methyl-2-(4-chloro-3-hydroxybut-1-ynyl)-dithiophene|5-methyl-2-<4-chloro-3-hydroxybut-1-ynyl>-dithiophene

1-Deoxy,1-chloro-4-[5-Methyl-[2,2-bithiophen]-5-yl]-3-butyne-1,2-diol|5-methyl-2-(4-chloro-3-hydroxybut-1-ynyl)-dithiophene|5-methyl-2-<4-chloro-3-hydroxybut-1-ynyl>-dithiophene

C13H11ClOS2 (281.994)


   

(2Z,5Z,7E)-1,1,1-Trichloro-2-hydroxy-2,5,7-undecatrien-4-one

(2Z,5Z,7E)-1,1,1-Trichloro-2-hydroxy-2,5,7-undecatrien-4-one

C11H13Cl3O2 (281.9981)


   

Hirudinoidine C

Hirudinoidine C

C9H6N4O3S2 (281.9881)


   

(E)-4-(6-((formyloxy)methyl)-1,2-dithiin-3-yl)but-1-en-3-yn-1-yl acetate

(E)-4-(6-((formyloxy)methyl)-1,2-dithiin-3-yl)but-1-en-3-yn-1-yl acetate

C12H10O4S2 (282.002)


   

ethyl 2-(5-bromoimidazo[1,2-a]pyridin-2-yl)acetate

ethyl 2-(5-bromoimidazo[1,2-a]pyridin-2-yl)acetate

C11H11BrN2O2 (282.0004)


   

6-(bromomethyl)-2,3-dimethoxyquinoxaline

6-(bromomethyl)-2,3-dimethoxyquinoxaline

C11H11BrN2O2 (282.0004)


   

Potassium sodium tartrate

Potassium sodium tartrate

C4H12KNaO10 (281.9965)


   

5-Bromotryptophan

5-Bromo-DL-tryptophan

C11H11BrN2O2 (282.0004)


   
   

6-BROMO-2H-CHROMENE-3-CARBOXYLIC ACID ETHYL ESTER

6-BROMO-2H-CHROMENE-3-CARBOXYLIC ACID ETHYL ESTER

C12H11BrO3 (281.9892)


   

5,5-BITHIENO[3,4-B]-1,4-DIOXIN, 2,2,3,3-TETRAHYDRO-

5,5-BITHIENO[3,4-B]-1,4-DIOXIN, 2,2,3,3-TETRAHYDRO-

C12H10O4S2 (282.002)


   
   

6-BROMO-2-METHYL-IMIDAZO[1,2-A]PYRIDINE-3-CARBOXYLIC ACID ETHYL ESTER

6-BROMO-2-METHYL-IMIDAZO[1,2-A]PYRIDINE-3-CARBOXYLIC ACID ETHYL ESTER

C11H11BrN2O2 (282.0004)


   

1,1,2,3,3,4,4,5,5,6,6-undecafluorohex-1-ene

1,1,2,3,3,4,4,5,5,6,6-undecafluorohex-1-ene

C6HF11 (281.9903)


   

Ethyl (6-bromoimidazo[1,2-a]pyridin-3-yl)acetate

Ethyl (6-bromoimidazo[1,2-a]pyridin-3-yl)acetate

C11H11BrN2O2 (282.0004)


   

3-ACETYL-5-BROMO-8-HYDROXY-3,4-DIHYDRO-2H-1-NAPHTHALENONE

3-ACETYL-5-BROMO-8-HYDROXY-3,4-DIHYDRO-2H-1-NAPHTHALENONE

C12H11BrO3 (281.9892)


   

7-(3-BROMOPROPOXY)-CHROMEN-2-ONE

7-(3-BROMOPROPOXY)-CHROMEN-2-ONE

C12H11BrO3 (281.9892)


   
   

Ethyl 3-(bromomethyl)-1-benzofuran-2-carboxylate

Ethyl 3-(bromomethyl)-1-benzofuran-2-carboxylate

C12H11BrO3 (281.9892)


   

1,3,4,5,6,7,8-HEPTAFLUORO-2-NAPHTHALDEHYDE

1,3,4,5,6,7,8-HEPTAFLUORO-2-NAPHTHALDEHYDE

C11HF7O (281.9916)


   

1-(2-(benzylthio)-5-chlorothiophen-3-yl)ethanone

1-(2-(benzylthio)-5-chlorothiophen-3-yl)ethanone

C13H11ClOS2 (281.994)


   
   

Ethyl 6-bromo-7-methylimidazo[1,2-a]pyridine-2-carboxylate

Ethyl 6-bromo-7-methylimidazo[1,2-a]pyridine-2-carboxylate

C11H11BrN2O2 (282.0004)


   

Ethyl (6-bromoimidazo[1,2-a]pyridin-2-yl)acetate

Ethyl (6-bromoimidazo[1,2-a]pyridin-2-yl)acetate

C11H11BrN2O2 (282.0004)


   

2-ACETAMINO-5-CHLORO-3-NITRO BENZOTRIFLUORIDE

2-ACETAMINO-5-CHLORO-3-NITRO BENZOTRIFLUORIDE

C9H6ClF3N2O3 (282.0019)


   

2-(4-CHLORO-PHENYL)-6-ETHYLSULFANYLTHIOPYRAN-4-ONE

2-(4-CHLORO-PHENYL)-6-ETHYLSULFANYLTHIOPYRAN-4-ONE

C13H11ClOS2 (281.994)


   

Benzol-1,2,4,5-tetramintetrahydrochlorid

Benzol-1,2,4,5-tetramintetrahydrochlorid

C6H14Cl4N4 (281.9973)


   

1-(3,4-DIMETHYLTHIENO[2,3-B]THIOPHEN-2-YL)ETHAN-1-ONE

1-(3,4-DIMETHYLTHIENO[2,3-B]THIOPHEN-2-YL)ETHAN-1-ONE

C13H8Cl2O3 (281.985)


   

1,1-(Bromomethylene)bis(4-fluorobenzene)

1,1-(Bromomethylene)bis(4-fluorobenzene)

C13H9BrF2 (281.9856)


   

2-(4-Chlorophenoxy)-5-chlorobenzoic acid

2-(4-Chlorophenoxy)-5-chlorobenzoic acid

C13H8Cl2O3 (281.985)


   

2-CHLORO-1-(CHLOROMETHYL)ETHYL 4-METHYLBENZENE-1-SULFONATE

2-CHLORO-1-(CHLOROMETHYL)ETHYL 4-METHYLBENZENE-1-SULFONATE

C10H12Cl2O3S (281.9884)


   

Ethyl 2-(5-bromobenzofuran-3-yl)acetate

Ethyl 2-(5-bromobenzofuran-3-yl)acetate

C12H11BrO3 (281.9892)


   

sodium,[(2R,3S,4R,5R)-2,4,5,6-tetrahydroxy-1-oxohexan-3-yl] sulfate

sodium,[(2R,3S,4R,5R)-2,4,5,6-tetrahydroxy-1-oxohexan-3-yl] sulfate

C6H11NaO9S (282.0021)


   

3-CHLORO-4-(6-CHLORO-5-FLUOROPYRIMIDIN-4-YLAMINO)BENZONITRILE

3-CHLORO-4-(6-CHLORO-5-FLUOROPYRIMIDIN-4-YLAMINO)BENZONITRILE

C11H5Cl2FN4 (281.9875)


   

Aloxiprin

Aloxiprin

C9H8Al2O7 (281.9901)


B - Blood and blood forming organs > B01 - Antithrombotic agents > B01A - Antithrombotic agents > B01AC - Platelet aggregation inhibitors excl. heparin N - Nervous system > N02 - Analgesics > N02B - Other analgesics and antipyretics > N02BA - Salicylic acid and derivatives D000893 - Anti-Inflammatory Agents > D000894 - Anti-Inflammatory Agents, Non-Steroidal > D012459 - Salicylates C78272 - Agent Affecting Nervous System > C241 - Analgesic Agent > C2198 - Nonnarcotic Analgesic

   

7-bromo-L-tryptophan

7-bromo-L-tryptophan

C11H11BrN2O2 (282.0004)


   

ethyl 3-bromo-5-methyl-1H-pyrrolo[3,2-b]pyridine-2-carboxylate

ethyl 3-bromo-5-methyl-1H-pyrrolo[3,2-b]pyridine-2-carboxylate

C11H11BrN2O2 (282.0004)


   

dysprosium 2,4-pentanedionate

dysprosium 2,4-pentanedionate

C5H10DyO3+++ (281.9922)


   

1H,1H-Nonafluoro-3,6-dioxaheptan-1-ol

1H,1H-Nonafluoro-3,6-dioxaheptan-1-ol

C5H3F9O3 (281.9938)


   

Ethyl 8-bromo-6-methylimidazo[1,2-a]pyridine-2-carboxylate

Ethyl 8-bromo-6-methylimidazo[1,2-a]pyridine-2-carboxylate

C11H11BrN2O2 (282.0004)


   

ethyl 6-broMo-2-Methyl-1H-pyrrolo[2,3-b]pyridine-3-carboxylate

ethyl 6-broMo-2-Methyl-1H-pyrrolo[2,3-b]pyridine-3-carboxylate

C11H11BrN2O2 (282.0004)


   

ethyl 5-broMo-2-Methyl-1H-pyrrolo[2,3-b]pyridine-3-carboxylate

ethyl 5-broMo-2-Methyl-1H-pyrrolo[2,3-b]pyridine-3-carboxylate

C11H11BrN2O2 (282.0004)


   

Ethyl 8-bromo-5-methylimidazo[1,2-a]pyridine-2-carboxylate

Ethyl 8-bromo-5-methylimidazo[1,2-a]pyridine-2-carboxylate

C11H11BrN2O2 (282.0004)


   

phenacyl 4-bromobut-2-enoate

phenacyl 4-bromobut-2-enoate

C12H11BrO3 (281.9892)


   

(4,6-Dichloropyrimidin-5-yl)(4-methoxyphenyl)methanone

(4,6-Dichloropyrimidin-5-yl)(4-methoxyphenyl)methanone

C12H8Cl2N2O2 (281.9963)


   

7-bromo-D-tryptophan

7-bromo-D-tryptophan

C11H11BrN2O2 (282.0004)


   

Ethyl 5-bromo-4-Methylbenzofuran-2-carboxylate

Ethyl 5-bromo-4-Methylbenzofuran-2-carboxylate

C12H11BrO3 (281.9892)


   

Methyl 1-(4-bromophenyl)-3-oxocyclobutanecarboxylate

Methyl 1-(4-bromophenyl)-3-oxocyclobutanecarboxylate

C12H11BrO3 (281.9892)


   

(R)-2-Amino-3-(6-bromo-1H-indol-3-yl)propanoic acid

(R)-2-Amino-3-(6-bromo-1H-indol-3-yl)propanoic acid

C11H11BrN2O2 (282.0004)


   

2,4-Dichloro-4-hydroxy-1,1-biphenyl-3-carboxylic acid

2,4-Dichloro-4-hydroxy-1,1-biphenyl-3-carboxylic acid

C13H8Cl2O3 (281.985)


   

4-Bromo-2,3-dihydrodiol-diphenyl ether

4-Bromo-2,3-dihydrodiol-diphenyl ether

C12H11BrO3 (281.9892)


   

2-azaniumyl-3-(5-bromo-1H-indol-3-yl)propanoate

2-azaniumyl-3-(5-bromo-1H-indol-3-yl)propanoate

C11H11BrN2O2 (282.0004)


   

3-Chloro-4-propan-2-ylsulfonyl-2-thiophenecarbohydrazide

3-Chloro-4-propan-2-ylsulfonyl-2-thiophenecarbohydrazide

C8H11ClN2O3S2 (281.99)


   

(2S)-2-ammonio-3-(6-bromo-1H-indol-3-yl)propanoate

(2S)-2-ammonio-3-(6-bromo-1H-indol-3-yl)propanoate

C11H11BrN2O2 (282.0004)


   

(2R)-2-azaniumyl-3-(6-bromo-1H-indol-3-yl)propanoate

(2R)-2-azaniumyl-3-(6-bromo-1H-indol-3-yl)propanoate

C11H11BrN2O2 (282.0004)


   

2-Acetoxy-7-bromo-4-isopropenyl-2,4,6-cycloheptatrien-1-one

2-Acetoxy-7-bromo-4-isopropenyl-2,4,6-cycloheptatrien-1-one

C12H11BrO3 (281.9892)


   

6-Bromo-L-tryptophan

6-Bromo-L-tryptophan

C11H11BrN2O2 (282.0004)


   

L-6-bromotryptophan zwitterion

L-6-bromotryptophan zwitterion

C11H11BrN2O2 (282.0004)


The L-alpha-amino acid zwitterion that results from the transfer of a proton from the carboxylic acid group to the alpha-amino group of L-6-bromotryptophan. The major species at pH 7.3.

   

L-6-bromotryptophan

L-6-bromotryptophan

C11H11BrN2O2 (282.0004)


A bromoamino acid that is L-tryptophan in which the hydrogen at position 6 of the indole ring is substituted by bromine.

   
   
   

Guanoxabenz (hydrochloride)

Guanoxabenz (hydrochloride)

C8H9Cl3N4O (281.9842)


Guanoxabenz (Hydroxyguanabenz) hydrochloride is an α2 adrenergic receptor agonist, with a Ki of 4000 nM and the fully activated form 40 nM for an α2A adrenoceptor[1][2][3].

   

(2r)-1-chloro-4-{5'-methyl-[2,2'-bithiophen]-5-yl}but-3-yn-2-ol

(2r)-1-chloro-4-{5'-methyl-[2,2'-bithiophen]-5-yl}but-3-yn-2-ol

C13H11ClOS2 (281.994)


   

5-bromo-2-(2-chloro-1-hydroxyethyl)-4,4-dimethylcyclohex-2-en-1-ol

5-bromo-2-(2-chloro-1-hydroxyethyl)-4,4-dimethylcyclohex-2-en-1-ol

C10H16BrClO2 (282.0022)


   

2-chloro-1-[5'-(prop-1-yn-1-yl)-[2,2'-bithiophen]-5-yl]ethanol

2-chloro-1-[5'-(prop-1-yn-1-yl)-[2,2'-bithiophen]-5-yl]ethanol

C13H11ClOS2 (281.994)


   

(5z,7e)-1,1,1-trichloro-4-hydroxyundeca-3,5,7-trien-2-one

(5z,7e)-1,1,1-trichloro-4-hydroxyundeca-3,5,7-trien-2-one

C11H13Cl3O2 (281.9981)


   

1-chloro-4-{5'-methyl-[2,2'-bithiophen]-5-yl}but-3-yn-2-ol

1-chloro-4-{5'-methyl-[2,2'-bithiophen]-5-yl}but-3-yn-2-ol

C13H11ClOS2 (281.994)


   

(1r,5r)-5-bromo-2-[(1s)-2-chloro-1-hydroxyethyl]-4,4-dimethylcyclohex-2-en-1-ol

(1r,5r)-5-bromo-2-[(1s)-2-chloro-1-hydroxyethyl]-4,4-dimethylcyclohex-2-en-1-ol

C10H16BrClO2 (282.0022)


   

(1r)-2-chloro-1-[5'-(prop-1-yn-1-yl)-[2,2'-bithiophen]-5-yl]ethanol

(1r)-2-chloro-1-[5'-(prop-1-yn-1-yl)-[2,2'-bithiophen]-5-yl]ethanol

C13H11ClOS2 (281.994)


   

(1s,5r)-5-bromo-2-[(1r)-2-chloro-1-hydroxyethyl]-4,4-dimethylcyclohex-2-en-1-ol

(1s,5r)-5-bromo-2-[(1r)-2-chloro-1-hydroxyethyl]-4,4-dimethylcyclohex-2-en-1-ol

C10H16BrClO2 (282.0022)