Exact Mass: 638.2621

Exact Mass Matches: 638.2621

Found 27 metabolites which its exact mass value is equals to given mass value 638.2621, within given mass tolerance error 0.01 dalton. Try search metabolite list with more accurate mass tolerance error 0.001 dalton.

Ac-Ile-Glu-Thr-Asp-pNA is a substrate for caspase-8. Caspase-8 binds to and cleaves the Ile-Glu-Thr-Asp (IETD) peptide sequence to release p-nitroalinide, which can be quantified by colorimetric detection at 405 nm as a measure of enzyme activity[1].

2 3 7 8 12 13 17 18-OCTAETHYL-21H 23H-

C36H44N4Pd (638.2601)

Pseudomonyl C holothinamide

C31H46N2O8S2 (638.2695)

LPGP 22:5

C28H48O12P2 (638.2621)

ST 25:5;O8;GlcA

C31H42O14 (638.2574)

4-(5-{[(1r)-6,7-dimethoxy-8-[(6-methoxy-2-methyl-1-oxo-3,4-dihydroisoquinolin-7-yl)oxy]-2-methyl-3,4-dihydro-1h-isoquinolin-1-yl]methyl}-2-hydroxyphenoxy)benzaldehyde

C37H38N2O8 (638.2628)

3-[4-({6,7-dimethoxy-8-[(6-methoxy-2-methyl-1-oxo-3,4-dihydroisoquinolin-7-yl)oxy]-2-methyl-3,4-dihydro-1h-isoquinolin-1-yl}methyl)phenoxy]-4-hydroxybenzaldehyde

C37H38N2O8 (638.2628)

3-(4-{[(1s)-7-hydroxy-6-methoxy-8-[(6-methoxy-2-methyl-1-oxo-3,4-dihydroisoquinolin-7-yl)oxy]-2-methyl-3,4-dihydro-1h-isoquinolin-1-yl]methyl}phenoxy)-4-methoxybenzaldehyde

C37H38N2O8 (638.2628)

n-(4-{[hydroxy(phenyl)methylidene]amino}butyl)-2-(2-hydroxy-4,6-dimethoxybenzoyl)-4-(4-methoxyphenyl)-4-oxo-3-phenylbutanimidic acid

C37H38N2O8 (638.2628)

[(2r,3r,4s,5r,6r)-6-{[(3s,3ar,4s,6ar,8s,9s,9ar,9br)-4-(acetyloxy)-3,9-dimethyl-6-methylidene-2-oxo-decahydroazuleno[4,5-b]furan-8-yl]oxy}-3,4,5-tris(acetyloxy)oxan-2-yl]methyl acetate

C31H42O14 (638.2574)

7-{[(5s)-5-({4-[5-(hydroxymethyl)-2-methoxyphenoxy]phenyl}methyl)-6-methyl-2h,5h,7h,8h-[1,3]dioxolo[4,5-g]isoquinolin-4-yl]oxy}-6-methoxy-2-methyl-3,4-dihydroisoquinolin-1-one

C37H38N2O8 (638.2628)

3-(4-{[(1s)-6,7-dimethoxy-8-[(6-methoxy-2-methyl-1-oxo-3,4-dihydroisoquinolin-7-yl)oxy]-2-methyl-3,4-dihydro-1h-isoquinolin-1-yl]methyl}phenoxy)-4-hydroxybenzaldehyde

C37H38N2O8 (638.2628)

[3,4,5-tris(acetyloxy)-6-{[4-(acetyloxy)-3,9-dimethyl-6-methylidene-2-oxo-decahydroazuleno[4,5-b]furan-8-yl]oxy}oxan-2-yl]methyl acetate

C31H42O14 (638.2574)

3-(4-{[(1r)-6-hydroxy-7-methoxy-8-[(6-methoxy-2-methyl-1-oxo-3,4-dihydroisoquinolin-7-yl)oxy]-2-methyl-3,4-dihydro-1h-isoquinolin-1-yl]methyl}phenoxy)-4-methoxybenzaldehyde

C37H38N2O8 (638.2628)

(2s,3r,4s,5s,6r)-3,4,5-trihydroxy-6-({[(2s,3r,4s,5r)-3,4,5-trihydroxyoxan-2-yl]oxy}methyl)oxan-2-yl (2s,4as,6ar,10as,10bs)-2-(furan-3-yl)-6a,10b-dimethyl-4-oxo-1h,2h,4ah,5h,6h,9h,10h,10ah-naphtho[2,1-c]pyran-7-carboxylate

(2s,3r,4s,5s,6r)-3,4,5-trihydroxy-6-({[(2s,3r,4s,5r)-3,4,5-trihydroxyoxan-2-yl]oxy}methyl)oxan-2-yl (2s,4as,6ar,10as,10bs)-2-(furan-3-yl)-6a,10b-dimethyl-4-oxo-1h,2h,4ah,5h,6h,9h,10h,10ah-naphtho[2,1-c]pyran-7-carboxylate

C31H42O14 (638.2574)

4-[5-({6,7-dimethoxy-8-[(6-methoxy-2-methyl-1-oxo-3,4-dihydroisoquinolin-7-yl)oxy]-2-methyl-3,4-dihydro-1h-isoquinolin-1-yl}methyl)-2-hydroxyphenoxy]benzaldehyde

C37H38N2O8 (638.2628)