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Molecular formula

C21H22O8

42 compounds have this formula on CompoundList.

Molar mass
402.40g/mol
Monoisotopic mass
402.1315Da
Atoms
51
Elements
3
Rings plus double bonds
11

The formula C21H22O8 describes a molecule made of 21 carbon atoms, 22 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 × 2162.68%
    12.011 × 21 = 252.231 g/mol
  • H Hydrogen × 225.51%
    1.008 × 22 = 22.176 g/mol
  • O Oxygen × 831.81%
    15.999 × 8 = 127.992 g/mol
Look up another formula

Compounds with the formula C21H22O8

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

Showing 1 to 42 of 42 compounds

Nobiletin chemical structure, C21H22O8, CAS 478-01-3
Nobiletin
CAS 478-01-3C21H22O8
Hexamethylquercetagetin chemical structure, C21H22O8, CAS 1251-84-9
Hexamethylquercetagetin
CAS 1251-84-9C21H22O8
5,6,7,3',4',5'-Hexamethoxyflavone chemical structure, C21H22O8, CAS 29043-07-0
5,6,7,3',4',5'-Hexamethoxyflavone
CAS 29043-07-0C21H22O8
2-Methoxyethyl 5-{[5-(methoxycarbonyl)-2-methylfuran-3-yl]methoxy}-2-methyl-1-benzofuran-3-carboxylate chemical structure, C21H22O8, CAS 300557-24-8
2-Methoxyethyl 5-{[5-(methoxycarbonyl)-2-methylfuran-3-yl]methoxy}-2-methyl-1-benzofuran-3-carboxylate
CAS 300557-24-8C21H22O8
2-(3,5-Dimethoxyphenyl)-5,6,7,8-tetramethoxy-4H-chromen-4-one chemical structure, C21H22O8, CAS 70460-29-6
2-(3,5-Dimethoxyphenyl)-5,6,7,8-tetramethoxy-4H-chromen-4-one
CAS 70460-29-6C21H22O8
Pinophilin B chemical structure, C21H22O8, CAS 1355612-70-2
Pinophilin B
CAS 1355612-70-2C21H22O8
Myricetin hexamethyl ether chemical structure, C21H22O8, CAS 14813-27-5
Myricetin hexamethyl ether
CAS 14813-27-5C21H22O8
2-(2,5-Dimethoxyphenyl)-5,6,7,8-tetramethoxy-4H-1-benzopyran-4-one chemical structure, C21H22O8, CAS 70460-30-9
2-(2,5-Dimethoxyphenyl)-5,6,7,8-tetramethoxy-4H-1-benzopyran-4-one
CAS 70460-30-9C21H22O8
2-Propen-1-one, 1-(4-(beta-D-glucopyranosyloxy)-2-hydroxyphenyl)-3-phenyl-, (2E)- chemical structure, C21H22O8, CAS 100405-62-7
2-Propen-1-one, 1-(4-(beta-D-glucopyranosyloxy)-2-hydroxyphenyl)-3-phenyl-, (2E)-
CAS 100405-62-7C21H22O8
Rubiginosin B chemical structure, C21H22O8, CAS 750633-85-3
Rubiginosin B
CAS 750633-85-3C21H22O8
(3'R,4'R)-3'-Epoxyangeloyloxy-4'-acetoxy-3',4'-dihydroseselin chemical structure, C21H22O8, CAS 11350-35-9
(3'R,4'R)-3'-Epoxyangeloyloxy-4'-acetoxy-3',4'-dihydroseselin
CAS 11350-35-9C21H22O8
4-(1,3-Benzodioxol-5-yl)-4-oxo-2-[(3,4,5-trimethoxyphenyl)methyl]butanoic acid chemical structure, C21H22O8, CAS 6270-88-8
4-(1,3-Benzodioxol-5-yl)-4-oxo-2-[(3,4,5-trimethoxyphenyl)methyl]butanoic acid
CAS 6270-88-8C21H22O8
5,6,2',3',5',6'-Hexamethoxyflavone chemical structure, C21H22O8, CAS 851383-32-9
5,6,2',3',5',6'-Hexamethoxyflavone
CAS 851383-32-9C21H22O8
Podophyllotoxin impurity 5 chemical structure, C21H22O8, CAS 1174-97-6
Podophyllotoxin impurity 5
CAS 1174-97-6C21H22O8
2-(2,4-Dimethoxyphenyl)-5,6,7,8-tetramethoxy-4H-chromen-4-one chemical structure, C21H22O8, CAS 70460-28-5
2-(2,4-Dimethoxyphenyl)-5,6,7,8-tetramethoxy-4H-chromen-4-one
CAS 70460-28-5C21H22O8
2,6-Di-O-benzoyl-methyl-a-D-glucopyranoside chemical structure, C21H22O8, CAS 26927-44-6
2,6-Di-O-benzoyl-methyl-a-D-glucopyranoside
CAS 26927-44-6C21H22O8
Gossypetin hexamethyl ether chemical structure, C21H22O8, CAS 7741-47-1
Gossypetin hexamethyl ether
CAS 7741-47-1C21H22O8
3-Methoxytangeretin chemical structure, C21H22O8, CAS 34170-18-8
3-Methoxytangeretin
CAS 34170-18-8C21H22O8
Bannamurpanisin chemical structure, C21H22O8, CAS 80324-51-2
Bannamurpanisin
CAS 80324-51-2C21H22O8
Pteroside chemical structure, C21H22O8, CAS 524051-94-3
Pteroside
CAS 524051-94-3C21H22O8
(10-Acetyloxy-8,8-dimethyl-2-oxo-9,10-dihydropyrano[2,3-f]chromen-9-yl) 2,3-dimethyloxirane-2-carboxylate chemical structure, C21H22O8, CAS 113500-35-9
(10-Acetyloxy-8,8-dimethyl-2-oxo-9,10-dihydropyrano[2,3-f]chromen-9-yl) 2,3-dimethyloxirane-2-carboxylate
CAS 113500-35-9C21H22O8
(2S)-2-Phenyl-7-[(2S,3R,4S,5S,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxy-2,3-dihydrochromen-4-one chemical structure, C21H22O8, CAS 138166-64-0
(2S)-2-Phenyl-7-[(2S,3R,4S,5S,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxy-2,3-dihydrochromen-4-one
CAS 138166-64-0C21H22O8
(5,6-Dihydroxy-7-(phenylcarbonyloxymethyl)-1,3-dioxepan-4-yl)methyl benzoate chemical structure, C21H22O8, CAS 74628-94-7
(5,6-Dihydroxy-7-(phenylcarbonyloxymethyl)-1,3-dioxepan-4-yl)methyl benzoate
CAS 74628-94-7C21H22O8
2-(3,4-Dimethoxyphenyl)-3,5,6,8-tetramethoxy-4H-1-benzopyran-4-one chemical structure, C21H22O8, CAS 218945-14-3
2-(3,4-Dimethoxyphenyl)-3,5,6,8-tetramethoxy-4H-1-benzopyran-4-one
CAS 218945-14-3C21H22O8

Frequently asked questions

What is the molar mass of C21H22O8?

The molar mass of C21H22O8 is 402.40 g/mol, calculated from standard atomic weights for 21 carbon atoms, 22 hydrogen atoms and 8 oxygen atoms. The monoisotopic mass is 402.1315 Da.

How many compounds have the formula C21H22O8?

CompoundList lists 42 compounds with the molecular formula C21H22O8, including Nobiletin, Hexamethylquercetagetin, 5,6,7,3',4',5'-Hexamethoxyflavone. 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 C21H22O8?

C21H22O8 has a degree of unsaturation of 11. 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.