Exact Mass: 503.169242

Exact Mass Matches: 503.169242

Found 316 metabolites which its exact mass value is equals to given mass value 503.169242, within given mass tolerance error 0.05 dalton. Try search metabolite list with more accurate mass tolerance error 0.01 dalton.

Arginyl adenylate

C16H26N9O8P (503.1641886)

methyl (1S,2S,3R,5S,8R,9R,10R)-10-[(2R,3E,5E,7E)-7-(2,4-dioxopyrrolidin-3-ylidene)-7-hydroxy-4-methylhepta-3,5-dien-2-yl]-3,5,9-trimethyl-7-oxo-4,11,12-trioxatricyclo[6.3.1.01,5]dodecane-2-carboxylate

methyl (1S,2S,3R,5S,8R,9R,10R)-10-[(2R,3E,5E,7E)-7-(2,4-dioxopyrrolidin-3-ylidene)-7-hydroxy-4-methylhepta-3,5-dien-2-yl]-3,5,9-trimethyl-7-oxo-4,11,12-trioxatricyclo[6.3.1.01,5]dodecane-2-carboxylate

C26H33NO9 (503.21552080000004)

[(2S,3S,4S)-4,6-Diamino-3-hydroxy-1-[[(1S)-1-[(3S)-8-hydroxy-1-oxo-3,4-dihydroisochromen-3-yl]-3-methylbutyl]amino]-1,6-dioxohexan-2-yl] dihydrogen phosphate

C20H30N3O10P (503.16687300000007)

Glucagon receptor antagonists-4

C26H28F3N3O4 (503.20318040000006)

Gravacridonediol glucoside

5-hydroxy-2-(2-hydroxy-1-{[3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxy}propan-2-yl)-11-methyl-1H,2H,6H,11H-furo[2,3-c]acridin-6-one

C25H29NO10 (503.17913740000006)

Gravacridonediol glucoside is found in herbs and spices. Gravacridonediol glucoside is an alkaloid from Ruta graveolens (rue

beta-D-Galactopyranosyl-(1->4)-2-amino-2-deoxy-beta-D-glucopyranosyl-(1->6)-D-mannose

6-({[3-amino-4-hydroxy-6-(hydroxymethyl)-5-{[3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxy}oxan-2-yl]oxy}methyl)oxane-2,3,4,5-tetrol

C18H33NO15 (503.1850108)

beta-D-Galactopyranosyl-(1->4)-2-amino-2-deoxy-beta-D-glucopyranosyl-(1->6)-D-mannose is a constituent of blood group substance of human milk. Constituent of blood group substance of human milk

N-(4-Acetylphenyl)-2-[4-(2,6-dioxo-1,3-dipropyl-7H-purin-8-yl)phenoxy]acetamide

N-(4-Acetylphenyl)-2-(4-(2,3,6,7-tetrahydro-2,6-dioxo-1,3-dipropyl-1H-purin-8-yl)phenoxy)acetamide

C27H29N5O5 (503.21685840000004)

D018377 - Neurotransmitter Agents > D058905 - Purinergic Agents > D058914 - Purinergic Antagonists MRS-1706 is a potent and selective adenosine A2B receptor inverse agonist. MRS-1706 has Ki values of 1.39, 112, 157, and 230 nM for human A2B, A2A, A1 and A3 receptors respectively. MRS-1706 blocks adenosine-mediated cAMP induction[1][2].

Naloxone-3-glucuronide

3,4,5-trihydroxy-6-{[17-hydroxy-14-oxo-4-(prop-2-en-1-yl)-12-oxa-4-azapentacyclo[9.6.1.0^{1,13}.0^{5,17}.0^{7,18}]octadeca-7(18),8,10-trien-10-yl]oxy}oxane-2-carboxylic acid

C25H29NO10 (503.17913740000006)

(3aS)-5c-[(1R,2E,4E)-6-((E)-2,4-dioxo-pyrrolidin-3-ylidene)-6-hydroxy-1,3-dimethyl-hexa-2,4-dienyl]-2c,6t,9a-trimethyl-8-oxo-(9at)-octahydro-3ar,7c-epioxido-furo[3,2-b]oxocine-3c-carboxylic acid methyl ester|antibiotic Bu-2313-B|nocamycin-I

(3aS)-5c-[(1R,2E,4E)-6-((E)-2,4-dioxo-pyrrolidin-3-ylidene)-6-hydroxy-1,3-dimethyl-hexa-2,4-dienyl]-2c,6t,9a-trimethyl-8-oxo-(9at)-octahydro-3ar,7c-epioxido-furo[3,2-b]oxocine-3c-carboxylic acid methyl ester|antibiotic Bu-2313-B|nocamycin-I

C26H33NO9 (503.21552080000004)

{(2R)-2-[alpha-D-glucopyranosyl(1->6)beta-D-glucopyranosyloxy]-2-(3-hydroxy-4-methoxyphenyl)}acetonitrile

C21H29NO13 (503.16388240000003)

hydracyanoside B

C21H29NO13 (503.16388240000003)

Nocamycin I

C26H33NO9 (503.21552080000004)

An organic heterotricyclic compound and tetramic acid derivative originally isolated from an unidentified oligosporic actinomycete strain (no. E864-861) and found to be active against both Gram-positive and Gram-negative anaerobic bacteria as well as some aerobic bacteria such as Streptococci. The methyl ester of nocamycin E.

C27H29N5O5

NCGC00381190-01_C27H29N5O5_

C27H29N5O5 (503.21685840000004)

Ala His Asn Tyr

(2S)-2-[(2S)-2-[(2S)-2-[(2S)-2-aminopropanamido]-3-(1H-imidazol-4-yl)propanamido]-3-carbamoylpropanamido]-3-(4-hydroxyphenyl)propanoic acid