Molecular formula

C₂₁H₂₈O₇

21 compounds have this formula on CompoundList.

Molar mass: 392.45g/mol
Monoisotopic mass: 392.1835Da
Atoms: 56
Elements: 3
Rings plus double bonds: 8

The formula C21H28O7 describes a molecule made of 21 carbon atoms, 28 hydrogen atoms and 7 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 × 2164.27%
12.011 × 21 = 252.231 g/mol
H Hydrogen × 287.19%
1.008 × 28 = 28.224 g/mol
O Oxygen × 728.54%
15.999 × 7 = 111.993 g/mol

Look up another formula

Compounds with the formula C21H28O7

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

Showing 1 to 21 of 21 compounds

Diisopropyl 4-hydroxy-2-(3-hydroxyphenyl)-4-methyl-6-oxocyclohexane-1,3-dicarboxylate

CAS 1005036-65-6C₂₁H₂₈O₇

Diethyl 2-(4-ethoxyphenyl)-4-hydroxy-4-methyl-6-oxocyclohexane-1,3-dicarboxylate

CAS 313270-81-4C₂₁H₂₈O₇

2-Propenoic acid, 2-methyl-, (3aS,4S,6R,10S,11aR)-6-(acetyloxy)dodecahydro-6,10-dimethyl-3-methylene-2,7-dioxocyclodeca(b)furan-4-yl ester

CAS 128700-84-5C₂₁H₂₈O₇

Vernolide A

CAS 618860-56-3C₂₁H₂₈O₇

[(6Z,10Z)-6-Formyl-10-(hydroxymethyl)-5-methoxy-3-methylidene-2-oxo-3a,4,5,8,9,11a-hexahydrocyclodeca[b]furan-4-yl] 2-methylbutanoate

CAS 147059-45-8C₂₁H₂₈O₇

Caucanolide C

CAS 869801-90-1C₂₁H₂₈O₇

Picrasin G

CAS 35598-69-7C₂₁H₂₈O₇

Viguiestenin

CAS 54153-71-8C₂₁H₂₈O₇

Hancogenin B

CAS 147512-46-7C₂₁H₂₈O₇

Triethyl 4-oxo-6-phenylhexane-1,5,5-tricarboxylate

CAS 5472-29-7C₂₁H₂₈O₇

[(3aR,4R,6Z,10Z,11aR)-10-(Acetyloxymethyl)-4-hydroxy-3-methylidene-2-oxo-3a,4,5,8,9,11a-hexahydrocyclodeca[b]furan-6-yl]methyl 2-methylpropanoate

CAS 75683-61-3C₂₁H₂₈O₇

[(6E,10Z)-6-Formyl-10-(hydroxymethyl)-5-methoxy-3-methylidene-2-oxo-3a,4,5,8,9,11a-hexahydrocyclodeca[b]furan-4-yl] 2-methylbutanoate

C₂₁H₂₈O₇

9-Desacetoxymelcanthin F

CAS 110065-77-5C₂₁H₂₈O₇

7-(4-Hydroxy-3,5-dimethoxyphenyl)-1-(4-hydroxyphenyl)heptane-2,3,5-triol

CAS 1269839-30-6C₂₁H₂₈O₇

Benzoic acid--2-{2-[2-(2-phenoxyethoxy)ethoxy]ethoxy}ethan-1-ol (1/1)

CAS 89346-76-9C₂₁H₂₈O₇

[(10Z)-6-Formyl-10-(hydroxymethyl)-5-methoxy-3-methylidene-2-oxo-3a,4,5,8,9,11a-hexahydrocyclodeca[b]furan-4-yl] 2-methylbutanoate

C₂₁H₂₈O₇

Glaucogenin E

CAS 1373246-40-2C₂₁H₂₈O₇

(1S,4aS,10S,10aR)-5,8,10-Trihydroxy-6-methoxy-1,4a-dimethyl-9-oxo-7-propan-2-yl-3,4,10,10a-tetrahydro-2H-phenanthrene-1-carboxylic acid

CAS 2220260-94-4C₂₁H₂₈O₇

(S)-1-(3,4-Dimethoxy-phenyl)-1-methoxy-3-(2,4,6-trimethoxy-phenyl)-propan-2-ol

CAS 62849-12-1C₂₁H₂₈O₇

7,8,12-Trihydroxy-5,19-dimethyl-15,18,20-trioxapentacyclo[14.5.1.04,13.05,10.019,22]docosa-1(21),10-dien-14-one

CAS 81474-92-2C₂₁H₂₈O₇

Lecocarpinolide J

C₂₁H₂₈O₇

Frequently asked questions

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What is the molar mass of C21H28O7?

The molar mass of C21H28O7 is 392.45 g/mol, calculated from standard atomic weights for 21 carbon atoms, 28 hydrogen atoms and 7 oxygen atoms. The monoisotopic mass is 392.1835 Da.

How many compounds have the formula C21H28O7?

CompoundList lists 21 compounds with the molecular formula C21H28O7, including Diisopropyl 4-hydroxy-2-(3-hydroxyphenyl)-4-methyl-6-oxocyclohexane-1,3-dicarboxylate, Diethyl 2-(4-ethoxyphenyl)-4-hydroxy-4-methyl-6-oxocyclohexane-1,3-dicarboxylate, 2-Propenoic acid, 2-methyl-, (3aS,4S,6R,10S,11aR)-6-(acetyloxy)dodecahydro-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 C21H28O7?

C21H28O7 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.