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 0.0002 dalton. Try search metabolite list with more accurate mass tolerance error
4.0E-5 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
