Exact Mass: 528.1771

sweroside tetraacatate

biselide A

C25H33ClO10 (528.1762)

cyathostemmine

Tecosid|Tecoside

ligustaloside B

shikimic acid triphenylacetate

C26H28N2O10

C26H28N2O10 (528.1744)

Curtisian S

Asp Glu His Glu

(2S)-2-[(2S)-2-[(2S)-2-[(2S)-2-amino-3-carboxypropanamido]-4-carboxybutanamido]-3-(1H-imidazol-4-yl)propanamido]pentanedioic acid

Cys Glu Phe Met

(4S)-4-[(2R)-2-amino-3-sulfanylpropanamido]-4-{[(1S)-1-{[(1S)-1-carboxy-3-(methylsulfanyl)propyl]carbamoyl}-2-phenylethyl]carbamoyl}butanoic acid

Cys Glu Met Phe

(4S)-4-[(2R)-2-amino-3-sulfanylpropanamido]-4-{[(1S)-1-{[(1S)-1-carboxy-2-phenylethyl]carbamoyl}-3-(methylsulfanyl)propyl]carbamoyl}butanoic acid

Cys Phe Glu Met

(4S)-4-[(2S)-2-[(2R)-2-amino-3-sulfanylpropanamido]-3-phenylpropanamido]-4-{[(1S)-1-carboxy-3-(methylsulfanyl)propyl]carbamoyl}butanoic acid

Cys Phe Met Glu

(2S)-2-[(2S)-2-[(2S)-2-[(2R)-2-amino-3-sulfanylpropanamido]-3-phenylpropanamido]-4-(methylsulfanyl)butanamido]pentanedioic acid

Cys Met Glu Phe

(4S)-4-[(2S)-2-[(2R)-2-amino-3-sulfanylpropanamido]-4-(methylsulfanyl)butanamido]-4-{[(1S)-1-carboxy-2-phenylethyl]carbamoyl}butanoic acid

Cys Met Phe Glu

(2S)-2-[(2S)-2-[(2S)-2-[(2R)-2-amino-3-sulfanylpropanamido]-4-(methylsulfanyl)butanamido]-3-phenylpropanamido]pentanedioic acid

Asp Glu Glu His

(4S)-4-[(2S)-2-[(2S)-2-amino-3-carboxypropanamido]-4-carboxybutanamido]-4-{[(1S)-1-carboxy-2-(1H-imidazol-4-yl)ethyl]carbamoyl}butanoic acid

Asp His Glu Glu

(2S)-2-[(2S)-2-[(2S)-2-[(2S)-2-amino-3-carboxypropanamido]-3-(1H-imidazol-4-yl)propanamido]-4-carboxybutanamido]pentanedioic acid

Glu Cys Phe Met

(4S)-4-amino-4-{[(1R)-1-{[(1S)-1-{[(1S)-1-carboxy-3-(methylsulfanyl)propyl]carbamoyl}-2-phenylethyl]carbamoyl}-2-sulfanylethyl]carbamoyl}butanoic acid

Glu Cys Met Phe

(4S)-4-amino-4-{[(1R)-1-{[(1S)-1-{[(1S)-1-carboxy-2-phenylethyl]carbamoyl}-3-(methylsulfanyl)propyl]carbamoyl}-2-sulfanylethyl]carbamoyl}butanoic acid

Glu Asp Glu His

(4S)-4-[(2S)-2-[(2S)-2-amino-4-carboxybutanamido]-3-carboxypropanamido]-4-{[(1S)-1-carboxy-2-(1H-imidazol-4-yl)ethyl]carbamoyl}butanoic acid

Glu Asp His Glu

(2S)-2-[(2S)-2-[(2S)-2-[(2S)-2-amino-4-carboxybutanamido]-3-carboxypropanamido]-3-(1H-imidazol-4-yl)propanamido]pentanedioic acid

Glu Glu Asp His

(4S)-4-[(2S)-2-amino-4-carboxybutanamido]-4-{[(1S)-2-carboxy-1-{[(1S)-1-carboxy-2-(1H-imidazol-4-yl)ethyl]carbamoyl}ethyl]carbamoyl}butanoic acid

Glu Glu His Asp

(2S)-2-[(2S)-2-[(2S)-2-[(2S)-2-amino-4-carboxybutanamido]-4-carboxybutanamido]-3-(1H-imidazol-4-yl)propanamido]butanedioic acid

Glu Phe Cys Met

(4S)-4-amino-4-{[(1S)-1-{[(1R)-1-{[(1S)-1-carboxy-3-(methylsulfanyl)propyl]carbamoyl}-2-sulfanylethyl]carbamoyl}-2-phenylethyl]carbamoyl}butanoic acid

Glu Phe Met Cys

(4S)-4-amino-4-{[(1S)-1-{[(1S)-1-{[(1R)-1-carboxy-2-sulfanylethyl]carbamoyl}-3-(methylsulfanyl)propyl]carbamoyl}-2-phenylethyl]carbamoyl}butanoic acid

Glu His Asp Glu

(2S)-2-[(2S)-2-[(2S)-2-[(2S)-2-amino-4-carboxybutanamido]-3-(1H-imidazol-4-yl)propanamido]-3-carboxypropanamido]pentanedioic acid

Glu His Glu Asp

(2S)-2-[(2S)-2-[(2S)-2-[(2S)-2-amino-4-carboxybutanamido]-3-(1H-imidazol-4-yl)propanamido]-4-carboxybutanamido]butanedioic acid

Glu Met Cys Phe

(4S)-4-amino-4-{[(1S)-1-{[(1R)-1-{[(1S)-1-carboxy-2-phenylethyl]carbamoyl}-2-sulfanylethyl]carbamoyl}-3-(methylsulfanyl)propyl]carbamoyl}butanoic acid

Glu Met Phe Cys

(4S)-4-amino-4-{[(1S)-1-{[(1S)-1-{[(1R)-1-carboxy-2-sulfanylethyl]carbamoyl}-2-phenylethyl]carbamoyl}-3-(methylsulfanyl)propyl]carbamoyl}butanoic acid

Phe Cys Glu Met

(4S)-4-[(2R)-2-[(2S)-2-amino-3-phenylpropanamido]-3-sulfanylpropanamido]-4-{[(1S)-1-carboxy-3-(methylsulfanyl)propyl]carbamoyl}butanoic acid

Phe Cys Met Glu

(2S)-2-[(2S)-2-[(2R)-2-[(2S)-2-amino-3-phenylpropanamido]-3-sulfanylpropanamido]-4-(methylsulfanyl)butanamido]pentanedioic acid

Phe Glu Cys Met

(4S)-4-[(2S)-2-amino-3-phenylpropanamido]-4-{[(1R)-1-{[(1S)-1-carboxy-3-(methylsulfanyl)propyl]carbamoyl}-2-sulfanylethyl]carbamoyl}butanoic acid

Phe Glu Met Cys

(4S)-4-[(2S)-2-amino-3-phenylpropanamido]-4-{[(1S)-1-{[(1R)-1-carboxy-2-sulfanylethyl]carbamoyl}-3-(methylsulfanyl)propyl]carbamoyl}butanoic acid

Phe Met Cys Glu

(2S)-2-[(2R)-2-[(2S)-2-[(2S)-2-amino-3-phenylpropanamido]-4-(methylsulfanyl)butanamido]-3-sulfanylpropanamido]pentanedioic acid

Phe Met Glu Cys

(4S)-4-[(2S)-2-[(2S)-2-amino-3-phenylpropanamido]-4-(methylsulfanyl)butanamido]-4-{[(1R)-1-carboxy-2-sulfanylethyl]carbamoyl}butanoic acid

His Asp Glu Glu

(2S)-2-[(2S)-2-[(2S)-2-[(2S)-2-amino-3-(1H-imidazol-4-yl)propanamido]-3-carboxypropanamido]-4-carboxybutanamido]pentanedioic acid

His Glu Asp Glu

(2S)-2-[(2S)-2-[(2S)-2-[(2S)-2-amino-3-(1H-imidazol-4-yl)propanamido]-4-carboxybutanamido]-3-carboxypropanamido]pentanedioic acid

His Glu Glu Asp

(2S)-2-[(2S)-2-[(2S)-2-[(2S)-2-amino-3-(1H-imidazol-4-yl)propanamido]-4-carboxybutanamido]-4-carboxybutanamido]butanedioic acid

Met Cys Glu Phe

(4S)-4-[(2R)-2-[(2S)-2-amino-4-(methylsulfanyl)butanamido]-3-sulfanylpropanamido]-4-{[(1S)-1-carboxy-2-phenylethyl]carbamoyl}butanoic acid

Met Cys Phe Glu

(2S)-2-[(2S)-2-[(2R)-2-[(2S)-2-amino-4-(methylsulfanyl)butanamido]-3-sulfanylpropanamido]-3-phenylpropanamido]pentanedioic acid

Met Glu Cys Phe

(4S)-4-[(2S)-2-amino-4-(methylsulfanyl)butanamido]-4-{[(1R)-1-{[(1S)-1-carboxy-2-phenylethyl]carbamoyl}-2-sulfanylethyl]carbamoyl}butanoic acid

Met Glu Phe Cys

(4S)-4-[(2S)-2-amino-4-(methylsulfanyl)butanamido]-4-{[(1S)-1-{[(1R)-1-carboxy-2-sulfanylethyl]carbamoyl}-2-phenylethyl]carbamoyl}butanoic acid

Met Phe Cys Glu

(2S)-2-[(2R)-2-[(2S)-2-[(2S)-2-amino-4-(methylsulfanyl)butanamido]-3-phenylpropanamido]-3-sulfanylpropanamido]pentanedioic acid

Met Phe Glu Cys

(4S)-4-[(2S)-2-[(2S)-2-amino-4-(methylsulfanyl)butanamido]-3-phenylpropanamido]-4-{[(1R)-1-carboxy-2-sulfanylethyl]carbamoyl}butanoic acid

benzene-1,3-diol,formaldehyde,3-phenylbenzene-1,2-diol,4-phenylbenzene-1,2,3-triol

zinc bis(dipentyldithiocarbamate)

C22H44N2S4Zn (528.1679)

Sofosbuvir impurity J

C22H30FN4O8P (528.1785)

L-Alanine, N-[(2R)-2-deoxy-2-fluoro-2-methyl-P-phenyl-5-cytidylyl]-,1-methylethyl ester

C22H30FN4O8P (528.1785)

Rubidomycin

C27H30NO10+ (528.187)

D000970 - Antineoplastic Agents > D059003 - Topoisomerase Inhibitors > D059005 - Topoisomerase II Inhibitors D004791 - Enzyme Inhibitors

8alpha-(N(3)-Histidyl)riboflavin

C23H26N7O8- (528.1843)

[9-[2-Carboxy-4-(2,5-dioxopyrrolidin-1-yl)oxycarbonylphenyl]-6-(dimethylamino)xanthen-3-ylidene]-dimethylazanium

C29H26N3O7+ (528.1771)

3-fluoro-N-[[(4S,5S)-2-[(2R)-1-hydroxypropan-2-yl]-4-methyl-1,1-dioxo-8-(5-pyrimidinyl)-4,5-dihydro-3H-6,1$l^{6},2-benzoxathiazocin-5-yl]methyl]-N-methylbenzamide

(3R)-3-(2-hydroxyethyl)-4-[3-(2-methoxyphenyl)phenyl]-2-(1-oxopropyl)-N-(2-thiazolyl)-1,3-dihydropyrrolo[3,4-c]pyridine-6-carboxamide

C29H28N4O4S (528.1831)

alpha-Neup5Gc-(2->6)-D-GalpNAc

An amino disaccharide consisting of an N-glycoloylneuraminyl residue linked alpha(2->6) to an N-acetylglucosamine moiety.

alpha-Neup5Gc-(2->6)-alpha-D-GalpNAc

alpha-Neup5Gc-(2->6)-D-GalpNAc in which the anomeric configuration at the reducing end is alpha.

4-fluoro-N-[[(2S,3R)-5-[(2R)-1-hydroxypropan-2-yl]-3-methyl-6-oxo-8-pyridin-4-yl-3,4-dihydro-2H-pyrido[2,3-b][1,5]oxazocin-2-yl]methyl]-N-methylbenzenesulfonamide

4-fluoro-N-[[(2S,3S)-5-[(2S)-1-hydroxypropan-2-yl]-3-methyl-6-oxo-8-pyridin-4-yl-3,4-dihydro-2H-pyrido[2,3-b][1,5]oxazocin-2-yl]methyl]-N-methylbenzenesulfonamide

4-fluoro-N-[[(2S,3R)-5-[(2S)-1-hydroxypropan-2-yl]-3-methyl-6-oxo-8-pyridin-4-yl-3,4-dihydro-2H-pyrido[2,3-b][1,5]oxazocin-2-yl]methyl]-N-methylbenzenesulfonamide

N-[[(10S,11S)-13-[(2R)-1-hydroxypropan-2-yl]-11-methyl-14-oxo-9-oxa-13-azatricyclo[13.4.0.02,7]nonadeca-1(19),2,4,6,15,17-hexaen-10-yl]methyl]-N-methylthiophene-2-sulfonamide

N-[[(10S,11R)-13-[(2R)-1-hydroxypropan-2-yl]-11-methyl-14-oxo-9-oxa-13-azatricyclo[13.4.0.02,7]nonadeca-1(19),2,4,6,15,17-hexaen-10-yl]methyl]-N-methylthiophene-2-sulfonamide

N-[[(10R,11S)-13-[(2S)-1-hydroxypropan-2-yl]-11-methyl-14-oxo-9-oxa-13-azatricyclo[13.4.0.02,7]nonadeca-1(19),2,4,6,15,17-hexaen-10-yl]methyl]-N-methylthiophene-3-sulfonamide

4-fluoro-N-[[(2R,3R)-5-[(2S)-1-hydroxypropan-2-yl]-3-methyl-6-oxo-8-pyridin-4-yl-3,4-dihydro-2H-pyrido[2,3-b][1,5]oxazocin-2-yl]methyl]-N-methylbenzenesulfonamide

4-fluoro-N-[[(2R,3R)-5-[(2R)-1-hydroxypropan-2-yl]-3-methyl-6-oxo-8-pyridin-4-yl-3,4-dihydro-2H-pyrido[2,3-b][1,5]oxazocin-2-yl]methyl]-N-methylbenzenesulfonamide

4-fluoro-N-[[(2S,3S)-5-[(2R)-1-hydroxypropan-2-yl]-3-methyl-6-oxo-8-pyridin-4-yl-3,4-dihydro-2H-pyrido[2,3-b][1,5]oxazocin-2-yl]methyl]-N-methylbenzenesulfonamide

4-fluoro-N-[[(2R,3S)-5-[(2R)-1-hydroxypropan-2-yl]-3-methyl-6-oxo-8-pyridin-4-yl-3,4-dihydro-2H-pyrido[2,3-b][1,5]oxazocin-2-yl]methyl]-N-methylbenzenesulfonamide

4-fluoro-N-[[(2R,3S)-5-[(2S)-1-hydroxypropan-2-yl]-3-methyl-6-oxo-8-pyridin-4-yl-3,4-dihydro-2H-pyrido[2,3-b][1,5]oxazocin-2-yl]methyl]-N-methylbenzenesulfonamide

N-[[(10S,11S)-13-[(2S)-1-hydroxypropan-2-yl]-11-methyl-14-oxo-9-oxa-13-azatricyclo[13.4.0.02,7]nonadeca-1(19),2,4,6,15,17-hexaen-10-yl]methyl]-N-methylthiophene-2-sulfonamide

N-[[(10S,11S)-13-[(2R)-1-hydroxypropan-2-yl]-11-methyl-14-oxo-9-oxa-13-azatricyclo[13.4.0.02,7]nonadeca-1(19),2,4,6,15,17-hexaen-10-yl]methyl]-N-methylthiophene-3-sulfonamide

N-[[(10R,11R)-13-[(2R)-1-hydroxypropan-2-yl]-11-methyl-14-oxo-9-oxa-13-azatricyclo[13.4.0.02,7]nonadeca-1(19),2,4,6,15,17-hexaen-10-yl]methyl]-N-methylthiophene-3-sulfonamide

N-[[(10R,11R)-13-[(2S)-1-hydroxypropan-2-yl]-11-methyl-14-oxo-9-oxa-13-azatricyclo[13.4.0.02,7]nonadeca-1(19),2,4,6,15,17-hexaen-10-yl]methyl]-N-methylthiophene-2-sulfonamide

N-[[(10R,11R)-13-[(2S)-1-hydroxypropan-2-yl]-11-methyl-14-oxo-9-oxa-13-azatricyclo[13.4.0.02,7]nonadeca-1(19),2,4,6,15,17-hexaen-10-yl]methyl]-N-methylthiophene-3-sulfonamide

3-fluoro-N-[[(4S,5R)-2-[(2R)-1-hydroxypropan-2-yl]-4-methyl-1,1-dioxo-8-(5-pyrimidinyl)-4,5-dihydro-3H-6,1$l^{6},2-benzoxathiazocin-5-yl]methyl]-N-methylbenzamide

3-fluoro-N-[[(4R,5S)-2-[(2R)-1-hydroxypropan-2-yl]-4-methyl-1,1-dioxo-8-(5-pyrimidinyl)-4,5-dihydro-3H-6,1$l^{6},2-benzoxathiazocin-5-yl]methyl]-N-methylbenzamide

3-fluoro-N-[[(4R,5S)-2-[(2S)-1-hydroxypropan-2-yl]-4-methyl-1,1-dioxo-8-(5-pyrimidinyl)-4,5-dihydro-3H-6,1$l^{6},2-benzoxathiazocin-5-yl]methyl]-N-methylbenzamide

N-[[(10R,11S)-13-[(2R)-1-hydroxypropan-2-yl]-11-methyl-14-oxo-9-oxa-13-azatricyclo[13.4.0.02,7]nonadeca-1(19),2,4,6,15,17-hexaen-10-yl]methyl]-N-methylthiophene-2-sulfonamide

N-[[(10S,11R)-13-[(2R)-1-hydroxypropan-2-yl]-11-methyl-14-oxo-9-oxa-13-azatricyclo[13.4.0.02,7]nonadeca-1(19),2,4,6,15,17-hexaen-10-yl]methyl]-N-methylthiophene-3-sulfonamide

N-[[(10R,11S)-13-[(2S)-1-hydroxypropan-2-yl]-11-methyl-14-oxo-9-oxa-13-azatricyclo[13.4.0.02,7]nonadeca-1(19),2,4,6,15,17-hexaen-10-yl]methyl]-N-methylthiophene-2-sulfonamide

N-[[(10R,11R)-13-[(2R)-1-hydroxypropan-2-yl]-11-methyl-14-oxo-9-oxa-13-azatricyclo[13.4.0.02,7]nonadeca-1(19),2,4,6,15,17-hexaen-10-yl]methyl]-N-methylthiophene-2-sulfonamide

3-fluoro-N-[[(4S,5S)-2-[(2S)-1-hydroxypropan-2-yl]-4-methyl-1,1-dioxo-8-(5-pyrimidinyl)-4,5-dihydro-3H-6,1$l^{6},2-benzoxathiazocin-5-yl]methyl]-N-methylbenzamide

3-fluoro-N-[[(4R,5R)-2-[(2R)-1-hydroxypropan-2-yl]-4-methyl-1,1-dioxo-8-(5-pyrimidinyl)-4,5-dihydro-3H-6,1$l^{6},2-benzoxathiazocin-5-yl]methyl]-N-methylbenzamide

3-fluoro-N-[[(4S,5R)-2-[(2S)-1-hydroxypropan-2-yl]-4-methyl-1,1-dioxo-8-(5-pyrimidinyl)-4,5-dihydro-3H-6,1$l^{6},2-benzoxathiazocin-5-yl]methyl]-N-methylbenzamide

3-fluoro-N-[[(4R,5R)-2-[(2S)-1-hydroxypropan-2-yl]-4-methyl-1,1-dioxo-8-(5-pyrimidinyl)-4,5-dihydro-3H-6,1$l^{6},2-benzoxathiazocin-5-yl]methyl]-N-methylbenzamide

N-[[(10S,11R)-13-[(2S)-1-hydroxypropan-2-yl]-11-methyl-14-oxo-9-oxa-13-azatricyclo[13.4.0.02,7]nonadeca-1(19),2,4,6,15,17-hexaen-10-yl]methyl]-N-methylthiophene-2-sulfonamide

N-[[(10R,11S)-13-[(2R)-1-hydroxypropan-2-yl]-11-methyl-14-oxo-9-oxa-13-azatricyclo[13.4.0.02,7]nonadeca-1(19),2,4,6,15,17-hexaen-10-yl]methyl]-N-methylthiophene-3-sulfonamide

3,5-dideoxy-5-glycolamido-D-glycero-D-galacto-non-2-ulopyranosylonic acid-(2->6)-2-acetamido-2-deoxy-D-galacto-hexopyranose

NeuGc(a2-6)b-GalNAc

3,5-dideoxy-5-glycolamido-D-glycero-D-galacto-non-2-ulopyranosylonic acid-(2->6)-2-acetamido-2-deoxy-alpha-D-galacto-hexopyranose

2-(1-(2,4-Dinitrophenylhydrazonomethyl)ethyl)-5-methylcyclopentanecarbaldehyde 2,4-dinitrophenylhydrazone

C22H24N8O8 (528.1717)

daunorubicin(1+)

C27H30NO10 (528.187)

An anthracycline cation that is the conjugate acid of daunorubicin, arising from protonation of the amino group.

ST 18:3;O7;GlcA

ST 18:4;O8;Hex