Exact Mass: 503.2705

Exact Mass Matches: 503.2705

Found 355 metabolites which its exact mass value is equals to given mass value 503.2705, within given mass tolerance error 0.01 dalton. Try search metabolite list with more accurate mass tolerance error 0.001 dalton.

Mycalamide A

(2S)-N-[(4S,4aS,8S,8aR)-6-[(2S)-2,3-dihydroxypropyl]-8-methoxy-7,7-dimethyl-4a,6,8,8a-tetrahydro-4H-pyrano[3,2-d][1,3]dioxin-4-yl]-2-hydroxy-2-[(2R,5R,6R)-2-methoxy-5,6-dimethyl-4-methylideneoxan-2-yl]acetamide

C24H41NO10 (503.273)

Ile Arg Thr Asp

(2S)-2-[(2S,3R)-2-[(2S)-2-[(2S,3S)-2-amino-3-methylpentanamido]-5-carbamimidamidopentanamido]-3-hydroxybutanamido]butanedioic acid

C20H37N7O8 (503.2703)

Buprenorphine hydrochloride

C29H42ClNO4 (503.2802)

D002491 - Central Nervous System Agents > D002492 - Central Nervous System Depressants > D009294 - Narcotics D002492 - Central Nervous System Depressants > D009294 - Narcotics > D053610 - Opiate Alkaloids D018373 - Peripheral Nervous System Agents > D018689 - Sensory System Agents C78272 - Agent Affecting Nervous System > C67413 - Opioid Receptor Agonist D002491 - Central Nervous System Agents > D009292 - Narcotic Antagonists D002491 - Central Nervous System Agents > D000700 - Analgesics

Apimostinel

C25H37N5O6 (503.2744)

C78272 - Agent Affecting Nervous System > C265 - Antidepressant Agent Apimostinel (NRX-1074; AGN-241660) is an orally active NMDA receptor partial agonist[1].

(2S)-N-[(4S,4aR,6R,8S,8aR)-6-[(2S)-2,3-dihydroxypropyl]-8-methoxy-7,7-dimethyl-4a,6,8,8a-tetrahydro-4H-pyrano[3,2-d][1,3]dioxin-4-yl]-2-hydroxy-2-[(2R,5R,6R)-2-methoxy-5,6-dimethyl-4-methylideneoxan-2-yl]acetamide

(2S)-N-[(4S,4aS,8S,8aR)-6-[(2S)-2,3-dihydroxypropyl]-8-methoxy-7,7-dimethyl-4a,6,8,8a-tetrahydro-4H-pyrano[3,2-d][1,3]dioxin-4-yl]-2-hydroxy-2-[(2R,5R,6R)-2-methoxy-5,6-dimethyl-4-methylideneoxan-2-yl]acetamide

C24H41NO10 (503.273)

PE(19:3)

PE(8:0_11:3)

C24H42NO8P (503.2648)

ST 26:5;O2;Tau

C28H41NO5S (503.2705)

(4r,7r,8r,9e,14e,16e,18s,20s)-2,11,18,20-tetrahydroxy-7-isopropyl-4,8,16-trimethyl-6,23-dioxa-3,12,25-triazabicyclo[20.2.1]pentacosa-1(24),2,9,11,14,16,22(25)-heptaen-5-one

C26H37N3O7 (503.2631)

n-[6-(2,3-dihydroxypropyl)-8-methoxy-7,7-dimethyl-hexahydropyrano[3,2-d][1,3]dioxin-4-yl]-2-hydroxy-2-(2-methoxy-5,6-dimethyl-4-methylideneoxan-2-yl)ethanimidic acid

C24H41NO10 (503.273)

2',7,10''-trimethoxy-5''-methyl-2,3,4,9-tetrahydrodispiro[pyrido[3,4-b]indole-1,1'-cyclohexane-4',2''-[5]azatricyclo[6.3.1.0⁴,¹²]dodecane]-1''(11''),8''(12''),9''-trien-11''-ol

C30H37N3O4 (503.2784)

(1s,2's,4'r,4''s)-2',7,10''-trimethoxy-5''-methyl-2,3,4,9-tetrahydrodispiro[pyrido[3,4-b]indole-1,1'-cyclohexane-4',2''-[5]azatricyclo[6.3.1.0⁴,¹²]dodecane]-1''(11''),8''(12''),9''-trien-11''-ol

C30H37N3O4 (503.2784)

(2r)-n-[(4s,4ar,6r,8s,8ar)-6-[(2s)-2,3-dihydroxypropyl]-8-methoxy-7,7-dimethyl-hexahydropyrano[3,2-d][1,3]dioxin-4-yl]-2-hydroxy-2-[(2r,5r,6r)-2-methoxy-5,6-dimethyl-4-methylideneoxan-2-yl]ethanimidic acid

(2r)-n-[(4s,4ar,6r,8s,8ar)-6-[(2s)-2,3-dihydroxypropyl]-8-methoxy-7,7-dimethyl-hexahydropyrano[3,2-d][1,3]dioxin-4-yl]-2-hydroxy-2-[(2r,5r,6r)-2-methoxy-5,6-dimethyl-4-methylideneoxan-2-yl]ethanimidic acid

(2r)-n-[(4s,4as,6r,8s,8ar)-6-[(2s)-2,3-dihydroxypropyl]-8-methoxy-7,7-dimethyl-hexahydropyrano[3,2-d][1,3]dioxin-4-yl]-2-hydroxy-2-[(2r,5r,6r)-2-methoxy-5,6-dimethyl-4-methylideneoxan-2-yl]ethanimidic acid

C24H41NO10 (503.273)

(1s,2'r,4'r,4''s)-2',7,10''-trimethoxy-5''-methyl-2,3,4,9-tetrahydrodispiro[pyrido[3,4-b]indole-1,1'-cyclohexane-4',2''-[5]azatricyclo[6.3.1.0⁴,¹²]dodecane]-1''(11''),8''(12''),9''-trien-11''-ol

C30H37N3O4 (503.2784)