Exact Mass: 1218.5517

Exact Mass Matches: 1218.5517

Found 9 metabolites which its exact mass value is equals to given mass value 1218.5517, within given mass tolerance error 0.05 dalton. Try search metabolite list with more accurate mass tolerance error 0.01 dalton.

Theasaponin F1

C58H90O27 (1218.5669)

Herniariasaponin 1

C58H90O27 (1218.5669)

C54H90O30_Hexopyranoside, (2E,6E)-3,7,11-trimethyl-2,6,10-dodecatrien-1-yl O--6-deoxyhexopyranosyl-(1->4)-O-pentopyranosyl-(1->4)-O--6-deoxyhexopyranosyl-(1->4)-O--6-deoxyhexopyranosyl-(1->3)-O-[O-pentopyranosyl-(1->4)pentopyranosyl-(1->6)]

NCGC00381229-01_C54H90O30_Hexopyranoside, (2E,6E)-3,7,11-trimethyl-2,6,10-dodecatrien-1-yl O--6-deoxyhexopyranosyl-(1->4)-O-pentopyranosyl-(1->4)-O--6-deoxyhexopyranosyl-(1->4)-O--6-deoxyhexopyranosyl-(1->3)-O-[O-pentopyranosyl-(1->4)pentopyranosyl-(1->6)]-

C54H90O30 (1218.5517)

DLPLTFGGGTK (TFA) is a surrogate peptide for pembrolizumab identification[1].

(2s,3s,4s,5r,6r)-6-{[(3s,4s,4ar,6ar,6bs,8r,8ar,9r,10r,12as,14ar,14br)-8,9-dihydroxy-8a-(hydroxymethyl)-4-(methoxycarbonyl)-4,6a,6b,11,11,14b-hexamethyl-10-{[(2z)-2-methylbut-2-enoyl]oxy}-1,2,3,4a,5,6,7,8,9,10,12,12a,14,14a-tetradecahydropicen-3-yl]oxy}-4-{[(2s,3r,4s,5s)-4,5-dihydroxy-3-{[(2s,3r,4s,5r)-3,4,5-trihydroxyoxan-2-yl]oxy}oxan-2-yl]oxy}-3-hydroxy-5-{[(2s,3r,4s,5r,6r)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxy}oxane-2-carboxylic acid

(2s,3s,4s,5r,6r)-6-{[(3s,4s,4ar,6ar,6bs,8r,8ar,9r,10r,12as,14ar,14br)-8,9-dihydroxy-8a-(hydroxymethyl)-4-(methoxycarbonyl)-4,6a,6b,11,11,14b-hexamethyl-10-{[(2z)-2-methylbut-2-enoyl]oxy}-1,2,3,4a,5,6,7,8,9,10,12,12a,14,14a-tetradecahydropicen-3-yl]oxy}-4-{[(2s,3r,4s,5s)-4,5-dihydroxy-3-{[(2s,3r,4s,5r)-3,4,5-trihydroxyoxan-2-yl]oxy}oxan-2-yl]oxy}-3-hydroxy-5-{[(2s,3r,4s,5r,6r)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxy}oxane-2-carboxylic acid

C58H90O27 (1218.5669)

(2s,3s,4s,5r,6s)-6-{[(3s,4s,4ar,6ar,6bs,8r,8ar,9r,10r,12as,14ar,14br)-8,9-dihydroxy-8a-(hydroxymethyl)-4-(methoxycarbonyl)-4,6a,6b,11,11,14b-hexamethyl-10-{[(2z)-2-methylbut-2-enoyl]oxy}-1,2,3,4a,5,6,7,8,9,10,12,12a,14,14a-tetradecahydropicen-3-yl]oxy}-4-{[(2s,3r,4s,5s)-4,5-dihydroxy-3-{[(2s,3r,4s,5r)-3,4,5-trihydroxyoxan-2-yl]oxy}oxan-2-yl]oxy}-3-hydroxy-5-{[(2s,3r,4s,5r,6r)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxy}oxane-2-carboxylic acid

(2s,3s,4s,5r,6s)-6-{[(3s,4s,4ar,6ar,6bs,8r,8ar,9r,10r,12as,14ar,14br)-8,9-dihydroxy-8a-(hydroxymethyl)-4-(methoxycarbonyl)-4,6a,6b,11,11,14b-hexamethyl-10-{[(2z)-2-methylbut-2-enoyl]oxy}-1,2,3,4a,5,6,7,8,9,10,12,12a,14,14a-tetradecahydropicen-3-yl]oxy}-4-{[(2s,3r,4s,5s)-4,5-dihydroxy-3-{[(2s,3r,4s,5r)-3,4,5-trihydroxyoxan-2-yl]oxy}oxan-2-yl]oxy}-3-hydroxy-5-{[(2s,3r,4s,5r,6r)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxy}oxane-2-carboxylic acid

C58H90O27 (1218.5669)

4-({4,5-dihydroxy-3-[(3,4,5-trihydroxyoxan-2-yl)oxy]oxan-2-yl}oxy)-6-{[8,9-dihydroxy-8a-(hydroxymethyl)-4-(methoxycarbonyl)-4,6a,6b,11,11,14b-hexamethyl-10-[(2-methylbut-2-enoyl)oxy]-1,2,3,4a,5,6,7,8,9,10,12,12a,14,14a-tetradecahydropicen-3-yl]oxy}-3-hydroxy-5-{[3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxy}oxane-2-carboxylic acid

4-({4,5-dihydroxy-3-[(3,4,5-trihydroxyoxan-2-yl)oxy]oxan-2-yl}oxy)-6-{[8,9-dihydroxy-8a-(hydroxymethyl)-4-(methoxycarbonyl)-4,6a,6b,11,11,14b-hexamethyl-10-[(2-methylbut-2-enoyl)oxy]-1,2,3,4a,5,6,7,8,9,10,12,12a,14,14a-tetradecahydropicen-3-yl]oxy}-3-hydroxy-5-{[3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxy}oxane-2-carboxylic acid

C58H90O27 (1218.5669)