C21H16O6
40 compounds have this formula on CompoundList.
- Molar mass
- 364.35g/mol
- Monoisotopic mass
- 364.0947Da
- Atoms
- 43
- Elements
- 3
- Rings plus double bonds
- 14
The formula C21H16O6 describes a molecule made of 21 carbon atoms, 16 hydrogen atoms and 6 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 × 2169.23%12.011 × 21 = 252.231 g/mol
- H Hydrogen × 164.43%1.008 × 16 = 16.128 g/mol
- O Oxygen × 626.35%15.999 × 6 = 95.994 g/mol
Compounds with the formula C21H16O6
Isomers we list, best known first. Open one to see its structure, properties, safety data and suppliers.
Showing 1 to 40 of 40 compounds
![2-[3-(4-Methoxyphenyl)-5-methyl-7-oxofuro[3,2-g]chromen-6-yl]acetic acid chemical structure, C21H16O6, CAS 664366-19-2](/s/YKCRRDVZXWZRLJ-UHFFFAOYSA-N.svg)
![7H-Furo[3,2-g][1]benzopyran-6-acetic acid,3-(3-methoxyphenyl)-5-methyl-7-oxo- chemical structure, C21H16O6, CAS 664366-21-6](/s/RZMZNWGCYIZVAX-UHFFFAOYSA-N.svg)
![7-[2-(1,3-Benzodioxol-5-yl)-2-oxoethoxy]-2,3-dihydrocyclopenta[c]chromen-4(1H)-one chemical structure, C21H16O6, CAS 374757-60-5](/s/NTZOIFWCGFJZAO-UHFFFAOYSA-N.svg)
![Methyl 2-{[4-(1-benzofuran-2-yl)-2-oxo-2H-chromen-6-yl]oxy}propanoate chemical structure, C21H16O6, CAS 898430-03-0](/s/MCIIEFAEEXKORM-UHFFFAOYSA-N.svg)
![5-Methyl-4-[(4-methyl-6-oxobenzo[c]chromen-3-yl)oxymethyl]furan-2-carboxylic acid chemical structure, C21H16O6, CAS 376375-10-9](/s/IUOQTIBTHSSQTI-UHFFFAOYSA-N.svg)
- 5-Hydroxy-3',4'-methylenedioxy-6'',6''-dimethylpyrano[2'',3'':7,8]isoflavone106009-67-0C21H16O6
- Ethyl 5-(1-benzofuran-2-carbonyloxy)-2-methyl-1-benzofuran-3-carboxylate305852-82-8C21H16O6
- Bisanhydro-13-dihydrodaunomycinone99260-72-7C21H16O6
- (Z)-Methyl 2-((2-((2H-chromen-3-yl)methylene)-3-oxo-2,3-dihydrobenzofuran-6-yl)oxy)acetate859132-04-0C21H16O6
- (Z)-Methyl 4-((6-((cyclopropanecarbonyl)oxy)-3-oxobenzofuran-2(3H)-ylidene)methyl)benzoate847336-04-3C21H16O6
- 4-{2-[(2-Methylbenzoyl)oxy]acetyl}phenyl 2-furoate669739-32-6C21H16O6
- Methyl 2-((4-(benzofuran-2-yl)-7-methyl-2-oxo-2H-chromen-6-yl)oxy)acetate898447-69-3C21H16O6
- Ethyl 2-((4-(benzofuran-2-yl)-2-oxo-2H-chromen-6-yl)oxy)acetate898430-27-8C21H16O6
- Methyl 5-[(4-methyl-6-oxobenzo[c]chromen-3-yl)oxymethyl]furan-2-carboxylate374711-68-9C21H16O6
- (1E,6E)-1,7-Bis(1,3-benzodioxol-5-yl)-1,6-heptadiene-3,5-dione160096-60-6C21H16O6
- 2-(1,3-Benzodioxol-5-yl)-5,10-dimethyl-2,3-dihydro-4H,8H-pyrano[2,3-f]chromene-4,8-dione1010872-61-3C21H16O6
- 2H-1-Benzopyran-2-one, 3,3'-propylidenebis(4-hydroxy-1821-17-6C21H16O6
- 3,3''-Dihydroxy-2'-methyl-[1,1':4',1''-terphenyl]-4,4''-dicarboxylic acid1613451-81-2C21H16O6
- [2-Oxo-2-(4-phenylphenyl)ethyl] 3,4,5-trihydroxybenzoate7497-77-0C21H16O6
- (2S,3S)-2-(3,5-Dihydroxyphenyl)-4,6-dihydroxy-3-(4-hydroxyphenyl)-2,3-dihydroinden-1-one1447417-88-0C21H16O6
- 8-(3,4-Dimethoxyphenyl)-4-methyl-2H,10H-pyrano[2,3-f]chromene-2,10-dione155178-65-7C21H16O6
Frequently asked questions
What is the molar mass of C21H16O6?
The molar mass of C21H16O6 is 364.35 g/mol, calculated from standard atomic weights for 21 carbon atoms, 16 hydrogen atoms and 6 oxygen atoms. The monoisotopic mass is 364.0947 Da.
How many compounds have the formula C21H16O6?
CompoundList lists 40 compounds with the molecular formula C21H16O6, including Justicidin B, Retrojusticidin B, Robustone. 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 C21H16O6?
C21H16O6 has a degree of unsaturation of 14. 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.