Exact Mass: 638.2761
Exact Mass Matches: 638.2761
Found 5 metabolites which its exact mass value is equals to given mass value 638.2761,
within given mass tolerance error 4.0E-5 dalton. Try search metabolite list with more accurate mass tolerance error
8.0E-6 dalton.
Cucurbitacin B 2-sulfate
{14-[6-(acetyloxy)-2-hydroxy-6-methyl-3-oxohept-4-en-2-yl]-13-hydroxy-1,6,6,11,15-pentamethyl-5,17-dioxotetracyclo[8.7.0.0²,⁷.0¹¹,¹⁵]heptadec-7-en-4-yl}oxidanesulphonic acid
[(E)-6-hydroxy-6-(16-hydroxy-4,4,9,13,14-pentamethyl-3,11-dioxo-2-sulfooxy-2,7,8,10,12,15,16,17-octahydro-1H-cyclopenta[a]phenanthren-17-yl)-2-methyl-5-oxohept-3-en-2-yl] acetate
[(E)-6-hydroxy-6-(16-hydroxy-4,4,9,13,14-pentamethyl-3,11-dioxo-2-sulfooxy-2,7,8,10,12,15,16,17-octahydro-1H-cyclopenta[a]phenanthren-17-yl)-2-methyl-5-oxohept-3-en-2-yl] acetate
{1-[6-(acetyloxy)-2-hydroxy-6-methyl-3-oxohept-4-en-2-yl]-2-hydroxy-3a,6,6,9b,11a-pentamethyl-7,10-dioxo-1h,2h,3h,3bh,4h,8h,9h,9ah,11h-cyclopenta[a]phenanthren-8-yl}oxidanesulfonic acid
{1-[6-(acetyloxy)-2-hydroxy-6-methyl-3-oxohept-4-en-2-yl]-2-hydroxy-3a,6,6,9b,11a-pentamethyl-7,10-dioxo-1h,2h,3h,3bh,4h,8h,9h,9ah,11h-cyclopenta[a]phenanthren-8-yl}oxidanesulfonic acid
[(1r,2r,3as,3bs,8s,9ar,9br,11ar)-1-[(2r,4e)-6-(acetyloxy)-2-hydroxy-6-methyl-3-oxohept-4-en-2-yl]-2-hydroxy-3a,6,6,9b,11a-pentamethyl-7,10-dioxo-1h,2h,3h,3bh,4h,8h,9h,9ah,11h-cyclopenta[a]phenanthren-8-yl]oxidanesulfonic acid
[(1r,2r,3as,3bs,8s,9ar,9br,11ar)-1-[(2r,4e)-6-(acetyloxy)-2-hydroxy-6-methyl-3-oxohept-4-en-2-yl]-2-hydroxy-3a,6,6,9b,11a-pentamethyl-7,10-dioxo-1h,2h,3h,3bh,4h,8h,9h,9ah,11h-cyclopenta[a]phenanthren-8-yl]oxidanesulfonic acid
