Exact Mass: 268.0564008

Exact Mass Matches: 268.0564008

Found 98 metabolites which its exact mass value is equals to given mass value 268.0564008, within given mass tolerance error 0.01 dalton. Try search metabolite list with more accurate mass tolerance error 0.001 dalton.

DL-Homocystine

2-amino-4-[(3-amino-3-carboxypropyl)disulfanyl]butanoic acid

C8H16N2O4S2 (268.0551456)


Homocystine is the oxidized form of homocysteine. Homocystine is a dipeptide consisting of two homocysteine molecules joined by a disulfide bond. Homocysteine is a sulfur-containing amino acid that arises during methionine metabolism. Homocystine occurs only transiently before being reduced to homocysteine and converted to the harmless cystathionine via a vitamin B6-dependent enzyme. Homocystine and homocysteine-cysteine mixed disulfides account for >98\\\\\% of total homocysteine in plasma from healthy individuals (PMID 11592966). Homocystine has been shown to stereospecifically induce endothelial nitric oxide synthase-dependent lipid peroxidation in endothelial cells, thereby inducing a vascular cell type-specific oxidative stress. This vascular stress is associated with atherothrombotic cardiovascular disease (PMID: 14980706). High levels of homocysteine (and homocysteine) can be found in individuals suffering from homocystinura due to cystathionine synthase deficiency (PMID: 4685596) Homocystine is the double-bonded form of homocysteine, but it occurs only transiently before being converted to the harmless cystathionine via a vitamin B6-dependent enzyme. Acquisition and generation of the data is financially supported in part by CREST/JST. KEIO_ID H041 4,4'-Disulfanediylbis(2-aminobutanoic acid) is an endogenous metabolite. DL-Homocystine is the double-bonded form of homocysteine and homocysteine is recognized as an important substance in the pathogenesis and pathophysiology of schizophrenia. L-Homocystine is the oxidized member of the L-homocysteine. Homocysteine is a pro-thrombotic factor, vasodilation impairing agent, pro-inflammatory factor and endoplasmatic reticulum-stress inducer used to study cardiovascular disease mechanisms.

   

phenazine-1,6-dicarboxylate

Phenanzine-1_6-dicarboxylic acid

C14H8N2O4 (268.0484048)


A member of the class of phenazines carrying carboxy substituents at positions 1 and 6. A natural product found in Streptomyces species. CONFIDENCE standard compound; INTERNAL_ID 187

   

DL-Homocystine

4,4-Dithiobis[2-aminobutyric Acid]

C8H16N2O4S2 (268.0551456)


4,4'-Disulfanediylbis(2-aminobutanoic acid) is an endogenous metabolite. DL-Homocystine is the double-bonded form of homocysteine and homocysteine is recognized as an important substance in the pathogenesis and pathophysiology of schizophrenia.

   

L-Homocystine

2-Amino-4-{[(3S)-3-amino-3-carboxypropyl]disulphanyl}butanoic acid

C8H16N2O4S2 (268.0551456)


Homocystine is the oxidized form of homocysteine. Homocystine is a dipeptide consisting of two homocysteine molecules joined by a disulfide bond. Homocysteine is a sulfur-containing amino acid that arises during methionine metabolism. Homocystine occurs only transiently before being reduced to homocysteine and converted to the harmless cystathionine via a vitamin B6-dependent enzyme. Homocystine and homocysteine-cysteine mixed disulfides account for >98\\\% of total homocysteine in plasma from healthy individuals (PMID 11592966). Homocystine has been shown to stereospecifically induce endothelial nitric oxide synthase-dependent lipid peroxidation in endothelial cells, thereby inducing a vascular cell type-specific oxidative stress. This vascular stress is associated with atherothrombotic cardiovascular disease (PMID: 14980706). High levels of homocysteine (and homocysteine) can be found in individuals suffering from homocystinura due to cystathionine synthase deficiency (PMID: 4685596) Homocystine is the double-bonded form of homocysteine, but it occurs only transiently before being converted to the harmless cystathionine via a vitamin B6-dependent enzyme. L-Homocystine is the oxidized member of the L-homocysteine. Homocysteine is a pro-thrombotic factor, vasodilation impairing agent, pro-inflammatory factor and endoplasmatic reticulum-stress inducer used to study cardiovascular disease mechanisms.

   

Alconil

Spiro(2-fluoro-9H-fluorene-9,4-imidazolidine)-2,5-dione

C15H9FN2O2 (268.06480259999995)


   

Methyl 3-[(diethoxyphosphorothioyl)oxy]but-2-enoate

methyl 3-{[diethoxy(sulfanylidene)-lambda5-phosphanyl]oxy}but-2-enoate

C9H17O5PS (268.0534282)


   

Dimethyl cystine

methyl 2-amino-3-[(2-amino-3-methoxy-3-oxopropyl)disulfanyl]propanoate

C8H16N2O4S2 (268.0551456)


   

Ethylenedicysteine

2-({2-[(1-carboxy-2-sulfanylethyl)amino]ethyl}amino)-3-sulfanylpropanoic acid

C8H16N2O4S2 (268.0551456)


   

Pyran-3,4-dicarboxylic anhydride, tetrahydro-2-methyl-6-(tetrahydro-2,5-dioxo-3-furyl)-, polymer

Pyran-3,4-dicarboxylic anhydride, tetrahydro-2-methyl-6-(tetrahydro-2,5-dioxo-3-furyl)-, polymer

C12H12O7 (268.05830019999996)


   

Penicillamine cysteine disulfide

2-Amino-3-[(2-amino-2-carboxyethyl)disulphanyl]-3-methylbutanoic acid

C8H16N2O4S2 (268.0551456)


   

zardaverine

6-[4-(difluoromethoxy)-3-methoxyphenyl]-2,3-dihydropyridazin-3-one

C12H10F2N2O3 (268.06594540000003)


D019141 - Respiratory System Agents > D018927 - Anti-Asthmatic Agents > D001993 - Bronchodilator Agents C78273 - Agent Affecting Respiratory System > C29712 - Anti-asthmatic Agent > C319 - Bronchodilator D018373 - Peripheral Nervous System Agents > D001337 - Autonomic Agents D004791 - Enzyme Inhibitors > D010726 - Phosphodiesterase Inhibitors C471 - Enzyme Inhibitor > C744 - Phosphodiesterase Inhibitor

   
   

zardaverine

zardaverine

C12H10F2N2O3 (268.06594540000003)


D019141 - Respiratory System Agents > D018927 - Anti-Asthmatic Agents > D001993 - Bronchodilator Agents C78273 - Agent Affecting Respiratory System > C29712 - Anti-asthmatic Agent > C319 - Bronchodilator D018373 - Peripheral Nervous System Agents > D001337 - Autonomic Agents D004791 - Enzyme Inhibitors > D010726 - Phosphodiesterase Inhibitors C471 - Enzyme Inhibitor > C744 - Phosphodiesterase Inhibitor

   

5,5-Bibenzoxazole-2,2(3H,3H)-dione

5,5-Bibenzoxazole-2,2(3H,3H)-dione

C14H8N2O4 (268.0484048)


   
   
   

(1S,5R,6R)-5,6-dihydroxy-3-(hydroxymethyl)-2-oxocyclohex-3-en-1-yl furan-2-carboxylate|epoxydine B

(1S,5R,6R)-5,6-dihydroxy-3-(hydroxymethyl)-2-oxocyclohex-3-en-1-yl furan-2-carboxylate|epoxydine B

C12H12O7 (268.05830019999996)


   
   

tetramethoxy-phthalic acid anhydride

tetramethoxy-phthalic acid anhydride

C12H12O7 (268.05830019999996)


   

AG-183

2-amino-4-(3,4,5-trihydroxyphenyl)-1,3-butadiene-1,1,3-tricarbonitrile

C13H8N4O3 (268.0596378)


   

Homocystine

4,4-Dithiobis[2-aminobutyric Acid]

C8H16N2O4S2 (268.0551456)


An organic disulfide obtained by oxidative dimerisation of homocysteine. 4,4'-Disulfanediylbis(2-aminobutanoic acid) is an endogenous metabolite.

   

L-Homocystine

4,4-Dithiobis[2-aminobutyric Acid]

C8H16N2O4S2 (268.0551456)


A homocystine in which both chiral centres have L configuration. 4,4'-Disulfanediylbis(2-aminobutanoic acid) is an endogenous metabolite. L-Homocystine is the oxidized member of the L-homocysteine. Homocysteine is a pro-thrombotic factor, vasodilation impairing agent, pro-inflammatory factor and endoplasmatic reticulum-stress inducer used to study cardiovascular disease mechanisms.

   

Phenazine-1 6-dicarboxylic acid

Phenazine-1 6-dicarboxylic acid

C14H8N2O4 (268.0484048)


   

PharmaGSID_47259

1,3-Dichloro-6,7,8,9,10,12-hexahydroazepino(2,1-b)quinazoline

C13H14Cl2N2 (268.0533984)


CONFIDENCE standard compound; INTERNAL_ID 1376; DATASET 20200303_ENTACT_RP_MIX504; DATA_PROCESSING MERGING RMBmix ver. 0.2.7; DATA_PROCESSING PRESCREENING Shinyscreen ver. 0.8.0; ORIGINAL_ACQUISITION_NO 7067; ORIGINAL_PRECURSOR_SCAN_NO 7066 CONFIDENCE standard compound; INTERNAL_ID 1376; DATASET 20200303_ENTACT_RP_MIX504; DATA_PROCESSING MERGING RMBmix ver. 0.2.7; DATA_PROCESSING PRESCREENING Shinyscreen ver. 0.8.0; ORIGINAL_ACQUISITION_NO 7070; ORIGINAL_PRECURSOR_SCAN_NO 7068 CONFIDENCE standard compound; INTERNAL_ID 1376; DATASET 20200303_ENTACT_RP_MIX504; DATA_PROCESSING MERGING RMBmix ver. 0.2.7; DATA_PROCESSING PRESCREENING Shinyscreen ver. 0.8.0; ORIGINAL_ACQUISITION_NO 7088; ORIGINAL_PRECURSOR_SCAN_NO 7086 CONFIDENCE standard compound; INTERNAL_ID 1376; DATASET 20200303_ENTACT_RP_MIX504; DATA_PROCESSING MERGING RMBmix ver. 0.2.7; DATA_PROCESSING PRESCREENING Shinyscreen ver. 0.8.0; ORIGINAL_ACQUISITION_NO 7091; ORIGINAL_PRECURSOR_SCAN_NO 7088 CONFIDENCE standard compound; INTERNAL_ID 1376; DATASET 20200303_ENTACT_RP_MIX504; DATA_PROCESSING MERGING RMBmix ver. 0.2.7; DATA_PROCESSING PRESCREENING Shinyscreen ver. 0.8.0; ORIGINAL_ACQUISITION_NO 7102; ORIGINAL_PRECURSOR_SCAN_NO 7098

   

Homocystine; LC-tDDA; CE10

Homocystine; LC-tDDA; CE10

C8H16N2O4S2 (268.0551456)


   

Homocystine; LC-tDDA; CE20

Homocystine; LC-tDDA; CE20

C8H16N2O4S2 (268.0551456)


   

Homocystine; LC-tDDA; CE30

Homocystine; LC-tDDA; CE30

C8H16N2O4S2 (268.0551456)


   

Homocystine; LC-tDDA; CE40

Homocystine; LC-tDDA; CE40

C8H16N2O4S2 (268.0551456)


   

Homocystine; AIF; CE0; MS2Dec

Homocystine; AIF; CE0; MS2Dec

C8H16N2O4S2 (268.0551456)


   

Homocystine; AIF; CE10; MS2Dec

Homocystine; AIF; CE10; MS2Dec

C8H16N2O4S2 (268.0551456)


   

Homocystine; AIF; CE30; MS2Dec

Homocystine; AIF; CE30; MS2Dec

C8H16N2O4S2 (268.0551456)


   

Penicillamine cysteine disulfide

Penicillamine cysteine disulfide

C8H16N2O4S2 (268.0551456)


   

1,1-(1,3-Phenylene)bis(1H-pyrrole-2,5-dione)

1,1-(1,3-Phenylene)bis(1H-pyrrole-2,5-dione)

C14H8N2O4 (268.0484048)


   

2-fluoro-5-(trifluoromethyl)benzophenone

2-fluoro-5-(trifluoromethyl)benzophenone

C14H8F4O (268.0511246)


   

1H-Isoindole-1,3(2H)-dione,2-(4-nitrophenyl)-

1H-Isoindole-1,3(2H)-dione,2-(4-nitrophenyl)-

C14H8N2O4 (268.0484048)


   

1H-Pyrrole-2,5-dione,1,1-(1,2-phenylene)bis-

1H-Pyrrole-2,5-dione,1,1-(1,2-phenylene)bis-

C14H8N2O4 (268.0484048)


   
   

2-fluoro-3-(trifluoromethyl)benzophenone

2-fluoro-3-(trifluoromethyl)benzophenone

C14H8F4O (268.0511246)


   

2-Amino-3-(2-oxo-1,2-dihydroquinolin-4-yl)propanoic acid hydrochloride

2-Amino-3-(2-oxo-1,2-dihydroquinolin-4-yl)propanoic acid hydrochloride

C12H13ClN2O3 (268.0614658)


   

1,10-Phenanthroline-4,7-dicarboxylic acid

1,10-Phenanthroline-4,7-dicarboxylic acid

C14H8N2O4 (268.0484048)


   

1-(4-Bromophenyl)-4-ethylpiperazine

1-(4-Bromophenyl)-4-ethylpiperazine

C12H17BrN2 (268.0575022)


   

1,1-(1,4-Phenylene)bis(1H-pyrrole-2,5-dione)

1,1-(1,4-Phenylene)bis(1H-pyrrole-2,5-dione)

C14H8N2O4 (268.0484048)


   

1-(4-BROMO-2-FLUOROBENZYL)-1,4-DIAZEPANE

1-(4-BROMO-2-FLUOROBENZYL)-1,4-DIAZEPANE

C12H17BrN2 (268.0575022)


   

4-(3,4-dichlorophenyl)-1-methylpiperidine-4-carbonitrile

4-(3,4-dichlorophenyl)-1-methylpiperidine-4-carbonitrile

C13H14Cl2N2 (268.0533984)


   

2-(4-Acetoxyphenyl)benzothiophene

2-(4-Acetoxyphenyl)benzothiophene

C16H12O2S (268.05579720000003)


   

2-(4-fluorobenzoyl)-1-benzofuran-5-carbaldehyde

2-(4-fluorobenzoyl)-1-benzofuran-5-carbaldehyde

C16H9FO3 (268.05356959999995)


   

1,10-Phenanthroline-2,9-dicarboxylic acid

1,10-Phenanthroline-2,9-dicarboxylic acid

C14H8N2O4 (268.0484048)


   

2-fluoro-6-(trifluoromethyl)benzophenone

2-fluoro-6-(trifluoromethyl)benzophenone

C14H8F4O (268.0511246)


   

4-Chloro-methyl-dioxo benzenebutanoic acid ethyl ester

4-Chloro-methyl-dioxo benzenebutanoic acid ethyl ester

C13H13ClO4 (268.0502328)


   

1-nitro-3-[2-(3-nitrophenyl)ethynyl]benzene

1-nitro-3-[2-(3-nitrophenyl)ethynyl]benzene

C14H8N2O4 (268.0484048)


   

2-fluoro-4-(trifluoromethyl)benzophenone

2-fluoro-4-(trifluoromethyl)benzophenone

C14H8F4O (268.0511246)


   

N,N-Ethylenedi-L-cysteine

N,N-Ethylenedi-L-cysteine

C8H16N2O4S2 (268.0551456)


   

CHEMBRDG-BB 5186394

CHEMBRDG-BB 5186394

C14H8N2O4 (268.0484048)


   

n-phenyl-4-nitrophthalimide

n-phenyl-4-nitrophthalimide

C14H8N2O4 (268.0484048)


   

1-[2-Chloro-4-(4-chlorophenyl)butyl]-1H-imidazole

1-[2-Chloro-4-(4-chlorophenyl)butyl]-1H-imidazole

C13H14Cl2N2 (268.0533984)


   

p-(4,5-dihydro-3,4-dimethyl-5-oxo-1H-pyrazol-1-yl)benzenesulphonic acid

p-(4,5-dihydro-3,4-dimethyl-5-oxo-1H-pyrazol-1-yl)benzenesulphonic acid

C11H12N2O4S (268.0517752)


   

9,10-Dinitroanthracene

9,10-Dinitroanthracene

C14H8N2O4 (268.0484048)


   

Ethyl 6-chloro-5-ethoxy-1H-pyrrolo[2,3-b]pyridine-2-carboxylate

Ethyl 6-chloro-5-ethoxy-1H-pyrrolo[2,3-b]pyridine-2-carboxylate

C12H13ClN2O3 (268.0614658)


   

1-(2-Bromoethyl)-4-phenylpiperazine

1-(2-Bromoethyl)-4-phenylpiperazine

C12H17BrN2 (268.0575022)


   

4-FLUORO-3-(TRIFLUOROMETHYL)BENZOPHENONE

4-FLUORO-3-(TRIFLUOROMETHYL)BENZOPHENONE

C14H8F4O (268.0511246)


   

6-mercaptopurine-2-deoxyriboside

6-mercaptopurine-2-deoxyriboside

C10H12N4O3S (268.0630082)


   

9H-Fluorene-2,7-diamine dihydrochloride

9H-Fluorene-2,7-diamine dihydrochloride

C13H14Cl2N2 (268.0533984)


   

Butanoic acid,4,4-dithiobis[2-amino-, (2R,2R)-

Butanoic acid,4,4-dithiobis[2-amino-, (2R,2R)-

C8H16N2O4S2 (268.0551456)


   

5-Bromo-N-cyclohexyl-N-methylpyridin-2-amine

5-Bromo-N-cyclohexyl-N-methylpyridin-2-amine

C12H17BrN2 (268.0575022)


   

1-(3-Bromobenzyl)-4-methylpiperazine

1-(3-Bromobenzyl)-4-methylpiperazine

C12H17BrN2 (268.0575022)


   

1-ACETYL-6,6-DIMETHYL-3-(METHYLTHIO)-4,5,6,7-TETRAHYDROBENZO[C]THIOPHEN-4-ONE

1-ACETYL-6,6-DIMETHYL-3-(METHYLTHIO)-4,5,6,7-TETRAHYDROBENZO[C]THIOPHEN-4-ONE

C13H16O2S2 (268.0591676)


   

1-vinyl-3-ethyliMidazoliuM hexafluorophosphate

1-vinyl-3-ethyliMidazoliuM hexafluorophosphate

C7H11F6N2P (268.0564008)


   

3-Fluoro-4-(trifluoromethyl)benzophenone

3-Fluoro-4-(trifluoromethyl)benzophenone

C14H8F4O (268.0511246)


   

ethyl 2-[(2-chlorophenyl)hydrazinylidene]-3-oxo-butanoate

ethyl 2-[(2-chlorophenyl)hydrazinylidene]-3-oxo-butanoate

C12H13ClN2O3 (268.0614658)


   

1-(3-bromophenyl)-N-methylpiperidin-4-amine

1-(3-bromophenyl)-N-methylpiperidin-4-amine

C12H17BrN2 (268.0575022)


   

4-Chloro-2-(pyridin-2-yl)-6-(pyridin-3-yl)-pyrimidine

4-Chloro-2-(pyridin-2-yl)-6-(pyridin-3-yl)-pyrimidine

C14H9ClN4 (268.0515704)


   

1-(4-Bromobenzyl)-4-methylpiperazine

1-(4-Bromobenzyl)-4-methylpiperazine

C12H17BrN2 (268.0575022)


   

1-(3-CHLOROPHENOXY)-2-PROPANONE

1-(3-CHLOROPHENOXY)-2-PROPANONE

C14H9ClN4 (268.0515704)


   

4-(3,4-DIFLUOROPHENYL)-1,2,3,4-TETRAHYDRO-6-METHYL-2-OXO-5-PYRIMIDINECARBOXYLIC

4-(3,4-DIFLUOROPHENYL)-1,2,3,4-TETRAHYDRO-6-METHYL-2-OXO-5-PYRIMIDINECARBOXYLIC

C12H10F2N2O3 (268.06594540000003)


   

METHYL 5-CYANO-2-(DIMETHOXYMETHYL)-6-MERCAPTONICOTINATE

METHYL 5-CYANO-2-(DIMETHOXYMETHYL)-6-MERCAPTONICOTINATE

C11H12N2O4S (268.0517752)


   

5-(3,4,5-TRIMETHOXY-PHENYL)-[1,3,4]OXADIAZOLE-2-THIOL

5-(3,4,5-TRIMETHOXY-PHENYL)-[1,3,4]OXADIAZOLE-2-THIOL

C11H12N2O4S (268.0517752)


   

(4-((4H-1,2,4-Triazol-4-yl)carbamoyl)phenyl)boronic acid hydrochloride

(4-((4H-1,2,4-Triazol-4-yl)carbamoyl)phenyl)boronic acid hydrochloride

C9H10BClN4O3 (268.053445)


   

Dazoxiben hydrochloride

Dazoxiben hydrochloride

C12H13ClN2O3 (268.0614658)


C78275 - Agent Affecting Blood or Body Fluid > C29750 - Thrombolytic Agent D004791 - Enzyme Inhibitors

   

2-Butenoic acid 3-(diethoxyphosphinothioyl)methyl ester

2-Butenoic acid 3-(diethoxyphosphinothioyl)methyl ester

C9H17O5PS (268.0534282)


   

6-(2,5-Dioxotetrahydrofuran-3-yl)-4-methyltetrahydro-1H-furo[3,4-c]pyran-1,3(6H)-dione

6-(2,5-Dioxotetrahydrofuran-3-yl)-4-methyltetrahydro-1H-furo[3,4-c]pyran-1,3(6H)-dione

C12H12O7 (268.05830019999996)


   

2-(3-nitrophenyl)-4H-3,1-benzoxazin-4-one

2-(3-nitrophenyl)-4H-3,1-benzoxazin-4-one

C14H8N2O4 (268.0484048)


   
   
   

5,10-Dihydrophenazine-1,6-dicarboxylate

5,10-Dihydrophenazine-1,6-dicarboxylate

C14H8N2O4-2 (268.0484048)


   

(5aS)-5,5a-Dihydrophenazine-1,6-dicarboxylate

(5aS)-5,5a-Dihydrophenazine-1,6-dicarboxylate

C14H8N2O4-2 (268.0484048)


   

4,4-Disulfanediylbis(2-ammoniobutanoate)

4,4-Disulfanediylbis(2-ammoniobutanoate)

C8H16N2O4S2 (268.0551456)


   

2-(4-Methoxyphenyl)-2-oxoethyl Dithiobutyrate

2-(4-Methoxyphenyl)-2-oxoethyl Dithiobutyrate

C13H16O2S2 (268.0591676)


   

7-(2-amino-2-carboxyethyl)-5-hydroxy-3,4-dihydro-2H-1,4-benzothiazin-3-one

7-(2-amino-2-carboxyethyl)-5-hydroxy-3,4-dihydro-2H-1,4-benzothiazin-3-one

C11H12N2O4S (268.0517752)


A member of the class of benzothiazines that is 3,4-dihydro-2H-1,4-benzothiazin-3-one bearing additional hydroxy and 2-amino-2-carboxyethyl substituents at positions 5 and 7 respectively.

   

3-(6,7-Dimethoxy-1,3-benzodioxol-5-yl)oxirane-2-carboxylic acid

3-(6,7-Dimethoxy-1,3-benzodioxol-5-yl)oxirane-2-carboxylic acid

C12H12O7 (268.05830019999996)


   

(R)-N-acetyl-S-benzyl-L-cysteine sulfoxide

(R)-N-acetyl-S-benzyl-L-cysteine sulfoxide

C12H14NO4S- (268.0643504)


   

3-(2-Fluorophenyl)naphthalene-1,2,4-trione

3-(2-Fluorophenyl)naphthalene-1,2,4-trione

C16H9FO3 (268.05356959999995)


   

Benzoic acid, 4-acetylthio-, trimethylsilyl ester

Benzoic acid, 4-acetylthio-, trimethylsilyl ester

C12H16O3SSi (268.0589386)


   

Benzoic acid, 3-acetylthio-, trimethylsilyl ester

Benzoic acid, 3-acetylthio-, trimethylsilyl ester

C12H16O3SSi (268.0589386)


   

L,L-homocystine zwitterion

L,L-homocystine zwitterion

C8H16N2O4S2 (268.0551456)


   

(5aS)-5,5a-Dihydrophenazine-1,6-dicarboxylate

(5aS)-5,5a-Dihydrophenazine-1,6-dicarboxylate

C14H8N2O4 (268.0484048)


A dicarboxylic acid dianion obtained by deprotonation of the carboxy groups of (5aS)-5,5a-dihydrophenazine-1,6-dicarboxylic acid; major species at pH 7.3.

   

(2S)-2-amino-4-[(3-amino-3-carboxypropyl)disulfanyl]butanoic acid

(2S)-2-amino-4-[(3-amino-3-carboxypropyl)disulfanyl]butanoic acid

C8H16N2O4S2 (268.0551456)


   

homocystine zwitterion

homocystine zwitterion

C8H16N2O4S2 (268.0551456)


Dizwitterionic form of homocystine arising from transfer of two protons from the carboxy to the amino groups; major species at pH 7.3.