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Molecular formula

C21H28O8

27 compounds have this formula on CompoundList.

Molar mass
408.45g/mol
Monoisotopic mass
408.1784Da
Atoms
57
Elements
3
Rings plus double bonds
8

The formula C21H28O8 describes a molecule made of 21 carbon atoms, 28 hydrogen atoms and 8 oxygen atoms. It is written in Hill notation: carbon first, then hydrogen, then the other elements in alphabetical order. The formula tells you which atoms are present, not how they are connected, which is why several different chemicals can share it.

Elemental composition

  • C Carbon × 2161.75%
    12.011 × 21 = 252.231 g/mol
  • H Hydrogen × 286.91%
    1.008 × 28 = 28.224 g/mol
  • O Oxygen × 831.34%
    15.999 × 8 = 127.992 g/mol
Look up another formula

Compounds with the formula C21H28O8

Isomers we list, best known first. Open one to see its structure, properties, safety data and suppliers.

Showing 1 to 27 of 27 compounds

3-a-Acetyldiacetoxyscirpenol chemical structure, C21H28O8, CAS 4297-61-4
3-a-Acetyldiacetoxyscirpenol
CAS 4297-61-4C21H28O8
Triacetoxyscirpenol chemical structure, C21H28O8, CAS 111554-96-2
Triacetoxyscirpenol
CAS 111554-96-2C21H28O8
2-Propenoic acid, 2-methyl-, (3aR,4S,6R,10S,11S,11aS)-6-(acetyloxy)dodecahydro-11-hydroxy-6,10-dimethyl-3-methylene-2,7-dioxocyclodeca(b)furan-4-yl ester chemical structure, C21H28O8, CAS 128700-83-4
2-Propenoic acid, 2-methyl-, (3aR,4S,6R,10S,11S,11aS)-6-(acetyloxy)dodecahydro-11-hydroxy-6,10-dimethyl-3-methylene-2,7-dioxocyclodeca(b)furan-4-yl ester
CAS 128700-83-4C21H28O8
[4,5-Diacetyloxy-6-(4-tert-butylphenoxy)oxan-3-yl] acetate chemical structure, C21H28O8, CAS 1093407-65-8
[4,5-Diacetyloxy-6-(4-tert-butylphenoxy)oxan-3-yl] acetate
CAS 1093407-65-8C21H28O8
Vernoflexuoside chemical structure, C21H28O8, CAS 57576-33-7
Vernoflexuoside
CAS 57576-33-7C21H28O8
[(1S,2R,7R,9R,10R,11S,12S)-10,11-Diacetyloxy-1,5-dimethylspiro[8-oxatricyclo[7.2.1.02,7]dodec-5-ene-12,2'-oxirane]-2-yl]methyl acetate chemical structure, C21H28O8
[(1S,2R,7R,9R,10R,11S,12S)-10,11-Diacetyloxy-1,5-dimethylspiro[8-oxatricyclo[7.2.1.02,7]dodec-5-ene-12,2'-oxirane]-2-yl]methyl acetate
C21H28O8
12,13-Epoxytrichothec-9-ene-3,4,15-triyl triacetate chemical structure, C21H28O8
12,13-Epoxytrichothec-9-ene-3,4,15-triyl triacetate
C21H28O8
Sarcaglaboside B chemical structure, C21H28O8, CAS 882652-78-0
Sarcaglaboside B
CAS 882652-78-0C21H28O8
Acetylanguidine chemical structure, C21H28O8
Acetylanguidine
C21H28O8
Acetylhymenograndin chemical structure, C21H28O8, CAS 72264-72-3
Acetylhymenograndin
CAS 72264-72-3C21H28O8
Glaucolide L chemical structure, C21H28O8, CAS 868538-96-9
Glaucolide L
CAS 868538-96-9C21H28O8
Piptocarphin F chemical structure, C21H28O8, CAS 76215-53-7
Piptocarphin F
CAS 76215-53-7C21H28O8
Gracilin K chemical structure, C21H28O8, CAS 1174022-26-4
Gracilin K
CAS 1174022-26-4C21H28O8
Pentaerythritol tetramethacrylate chemical structure, C21H28O8, CAS 3253-41-6
Pentaerythritol tetramethacrylate
CAS 3253-41-6C21H28O8
Spicatolide E chemical structure, C21H28O8, CAS 960510-52-5
Spicatolide E
CAS 960510-52-5C21H28O8
1,3-Cyclohexanedicarboxylic acid, 2-(3,4-dimethoxyphenyl)-4-hydroxy-4-methyl-6-oxo-, diethyl ester chemical structure, C21H28O8, CAS 64670-39-9
1,3-Cyclohexanedicarboxylic acid, 2-(3,4-dimethoxyphenyl)-4-hydroxy-4-methyl-6-oxo-, diethyl ester
CAS 64670-39-9C21H28O8
Scabiolide chemical structure, C21H28O8, CAS 20055-57-6
Scabiolide
CAS 20055-57-6C21H28O8
1,5-Diethyl 2,4-diacetyl-3-(3,4-dimethoxyphenyl)pentanedioate chemical structure, C21H28O8, CAS 64139-22-6
1,5-Diethyl 2,4-diacetyl-3-(3,4-dimethoxyphenyl)pentanedioate
CAS 64139-22-6C21H28O8
1-(4-Hydroxy-3-methoxyphenyl)-2-(4-(3-hydroxypropyl)-2,6-dimethoxyphenoxy)propane-1,3-diol chemical structure, C21H28O8, CAS 80292-57-5
1-(4-Hydroxy-3-methoxyphenyl)-2-(4-(3-hydroxypropyl)-2,6-dimethoxyphenoxy)propane-1,3-diol
CAS 80292-57-5C21H28O8
Tetraethyl 2-phenylpropane-1,1,3,3-tetracarboxylate chemical structure, C21H28O8, CAS 6768-26-9
Tetraethyl 2-phenylpropane-1,1,3,3-tetracarboxylate
CAS 6768-26-9C21H28O8
Diethyl 2-(3-ethoxy-4-hydroxyphenyl)-4-hydroxy-4-methyl-6-oxocyclohexane-1,3-dicarboxylate chemical structure, C21H28O8, CAS 1005268-14-3
Diethyl 2-(3-ethoxy-4-hydroxyphenyl)-4-hydroxy-4-methyl-6-oxocyclohexane-1,3-dicarboxylate
CAS 1005268-14-3C21H28O8
Woodhousin chemical structure, C21H28O8, CAS 33143-54-3
Woodhousin
CAS 33143-54-3C21H28O8
[2-(Acetyloxymethyl)-4,10-dihydroxy-1,5-dimethylspiro[8-oxatricyclo[7.2.1.02,7]dodec-5-ene-12,2'-oxirane]-11-yl] 2-methylprop-2-enoate chemical structure, C21H28O8, CAS 81331-42-2
[2-(Acetyloxymethyl)-4,10-dihydroxy-1,5-dimethylspiro[8-oxatricyclo[7.2.1.02,7]dodec-5-ene-12,2'-oxirane]-11-yl] 2-methylprop-2-enoate
CAS 81331-42-2C21H28O8
[(2E,4R,8R,9R,13S)-13-Acetyloxy-1-hydroxy-2,11-dimethyl-7-methylidene-6-oxo-5,14-dioxatricyclo[9.2.1.04,8]tetradec-2-en-9-yl] 2-methylpropanoate chemical structure, C21H28O8
[(2E,4R,8R,9R,13S)-13-Acetyloxy-1-hydroxy-2,11-dimethyl-7-methylidene-6-oxo-5,14-dioxatricyclo[9.2.1.04,8]tetradec-2-en-9-yl] 2-methylpropanoate
C21H28O8

Frequently asked questions

What is the molar mass of C21H28O8?

The molar mass of C21H28O8 is 408.45 g/mol, calculated from standard atomic weights for 21 carbon atoms, 28 hydrogen atoms and 8 oxygen atoms. The monoisotopic mass is 408.1784 Da.

How many compounds have the formula C21H28O8?

CompoundList lists 27 compounds with the molecular formula C21H28O8, including 3-a-Acetyldiacetoxyscirpenol, Triacetoxyscirpenol, 2-Propenoic acid, 2-methyl-, (3aR,4S,6R,10S,11S,11aS)-6-(acetyloxy)dodecahydro-11-hydroxy-6,10-dimethyl-3-methylene-2,7-dioxocyclodeca(b)furan-4-yl ester. Compounds that share a formula are isomers. They contain the same atoms arranged differently, so their properties, uses and prices can be very different.

What is the degree of unsaturation of C21H28O8?

C21H28O8 has a degree of unsaturation of 8. That is the total number of rings and pi bonds (a double bond counts as one, a triple bond as two) in any structure with this formula.