Molecular formula
C20H16O4
129 compounds have this formula on CompoundList.
- Molar mass
- 320.34g/mol
- Monoisotopic mass
- 324.1183Da
- Atoms
- 40
- Elements
- 3
- Rings plus double bonds
- 13
The formula C20H16O4 describes a molecule made of 20 carbon atoms, 16 hydrogen atoms and 4 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 × 2074.99%12.011 × 20 = 240.220 g/mol
- H Hydrogen × 165.03%1.008 × 16 = 16.128 g/mol
- O Oxygen × 419.98%15.999 × 4 = 63.996 g/mol
Look up another formula
Compounds with the formula C20H16O4
Isomers we list, best known first. Open one to see its structure, properties, safety data and suppliers.
Showing 1 to 100 of 129 compounds
Corylin
CAS 53947-92-5C20H16O4
Phenolphthalin
CAS 81-90-3C20H16O4
![3-(4-Methoxyphenyl)-5,6-dimethyl-7H-furo[3,2-g]chromen-7-one chemical structure, C20H16O4, CAS 374759-25-8](/s/ZWHYOLFLPIJLSD-UHFFFAOYSA-N.svg)
3-(4-Methoxyphenyl)-5,6-dimethyl-7H-furo[3,2-g]chromen-7-one
CAS 374759-25-8C20H16O4
7,8,9,10-Tetrahydroxytetrahydrobenzo(a)pyrene
CAS 59957-91-4C20H16O4
Betulinan A
CAS 55458-24-7C20H16O4
Rubiginone B2
CAS 130548-10-6C20H16O4
4-Hydroxy-2-(2-oxopropyl)naphthalen-1-yl benzoate
CAS 221206-23-1C20H16O4
2,5-Dihydroxy-3,6-bis(4-methylphenyl)benzo-1,4-quinone
CAS 28293-15-4C20H16O4
![4-{(E)-[5-(4-Methylphenyl)-2-oxofuran-3(2H)-ylidene]methyl}phenyl acetate chemical structure, C20H16O4, CAS 1187050-78-7](/s/DBOAGVLHMOFXAM-GZTJUZNOSA-N.svg)
4-{(E)-[5-(4-Methylphenyl)-2-oxofuran-3(2H)-ylidene]methyl}phenyl acetate
CAS 1187050-78-7C20H16O4
![6-Oxo-7,8,9,10-tetrahydrobenzo[c]chromen-3-yl benzoate chemical structure, C20H16O4, CAS 328022-19-1](/s/HDBDDEFTKCWERY-UHFFFAOYSA-N.svg)
6-Oxo-7,8,9,10-tetrahydrobenzo[c]chromen-3-yl benzoate
CAS 328022-19-1C20H16O4
9,10-Ethenoanthracene-11,12-dicarboxylic acid, 9,10-dihydro-, dimethyl ester
CAS 1625-82-7C20H16O4
4-Methyl-2-oxo-3-phenyl-2H-chromen-7-yl cyclopropanecarboxylate
CAS 869080-67-1C20H16O4
Crotafuran A
CAS 427879-14-9C20H16O4
![7-(2-Oxo-2-phenylethoxy)-2,3-dihydrocyclopenta[c]chromen-4(1H)-one chemical structure, C20H16O4, CAS 301309-01-3](/s/INROLGHIJIKUOA-UHFFFAOYSA-N.svg)
7-(2-Oxo-2-phenylethoxy)-2,3-dihydrocyclopenta[c]chromen-4(1H)-one
CAS 301309-01-3C20H16O4
![3-(4-Methoxyphenyl)-4,9-dimethyl-7H-furo[2,3-f]chromen-7-one chemical structure, C20H16O4, CAS 858747-59-8](/s/LMPFKCPSACTDHQ-UHFFFAOYSA-N.svg)
3-(4-Methoxyphenyl)-4,9-dimethyl-7H-furo[2,3-f]chromen-7-one
CAS 858747-59-8C20H16O4
2-Methyl-4-oxo-3-phenyl-4H-chromen-7-yl cyclopropanecarboxylate
CAS 618391-59-6C20H16O4
6-Ethyl-4-(7-methoxy-1-benzofuran-2-yl)chromen-2-one
CAS 637753-46-9C20H16O4
2,5-Cyclohexadiene-1,4-dione, 2,5-bis(4-methoxyphenyl)-
CAS 5333-03-9C20H16O4
4-(7-Methoxy-1-benzofuran-2-yl)-7,8-dimethyl-2H-chromen-2-one
CAS 637752-25-1C20H16O4
![4'-(Benzyloxy)-4-hydroxy[1,1'-biphenyl]-3-carboxylic acid chemical structure, C20H16O4, CAS 893739-11-2](/s/NMQDHXHZIIBLOZ-UHFFFAOYSA-N.svg)
4'-(Benzyloxy)-4-hydroxy[1,1'-biphenyl]-3-carboxylic acid
CAS 893739-11-2C20H16O4
Anhydrotuberosin
CAS 41347-49-3C20H16O4
1-(2,4-Dihydroxyphenyl)-2-(4-phenylphenoxy)ethan-1-one
CAS 307545-84-2C20H16O4
Erythrinin A
CAS 63807-86-3C20H16O4
![3-(3-Methoxyphenyl)-5,6-dimethyl-7H-furo[3,2-g]chromen-7-one chemical structure, C20H16O4, CAS 500204-93-3](/s/CENLGJHOOPWDQN-UHFFFAOYSA-N.svg)
3-(3-Methoxyphenyl)-5,6-dimethyl-7H-furo[3,2-g]chromen-7-one
CAS 500204-93-3C20H16O4
- 6-Hydroxy-8,8-dimethyl-2-phenyl-4H,8H-pyrano[2,3-f]chromen-4-one1174388-09-0C20H16O4
- 2,3-Dihydro-2,3-dihydroxy-4-(4-methoxyphenyl)-1H-phenalen-1-one159853-37-9C20H16O4
- Peli1-IN-13034889-94-3C20H16O4
- 5-Hydroxy-6'',6''-dimethylpyrano[2'',3'':7,8]flavone34187-25-2C20H16O4
- 5-Hydroxy-8,8-dimethyl-4-phenylpyrano[2,3-h]chromen-2-one26052-97-1C20H16O4
- 4-Hydroxy-3-(4-methyl-benzoyl)-6-p-tolyl-pyran-2-one65384-67-0C20H16O4
- 2-{[4-(Benzyloxy)-3-methoxyphenyl]methylidene}cyclopent-4-ene-1,3-dione58161-70-9C20H16O4
- (13bS)-1,13b-Dihydro-4,13b-dimethylbenzo[c]naphth[2,3-e]oxepin-7,9,12(2H)-trione151171-18-5C20H16O4
- Tetrol II 261490-69-5C20H16O4
- 2-Ethoxy-4-formylphenyl naphthalene-1-carboxylate325856-33-5C20H16O4
- Sorbyldithranol118804-11-8C20H16O4
- 2-Methyl-benzoic acid 4-oxo-1,2,3,4-tetrahydro-cyclopenta[c]chromen-7-yl ester302573-13-3C20H16O4
- 2-Oxo-2-phenylethyl 2-(2-naphthyloxy)acetate111922-87-3C20H16O4
- 4-(3-Phenylpropoxy)furo[3,2-g]chromen-7-one724709-67-5C20H16O4
- Benzo(a)pyrene-7,8,9,10-tetrol, 7,8,9,10-tetrahydro-, (7R,8S,9R,10S)-rel-61490-66-2C20H16O4
- Benzo(a)pyrenetetrol I 261490-68-4C20H16O4
- Benzo(a)pyrenetetrol II 161490-67-3C20H16O4
- 4-(7-Methoxy-1-benzofuran-2-yl)-6,7-dimethyl-2H-chromen-2-one637753-41-4C20H16O4
- (Z)-6-Methoxy-2-((2-methyl-2H-chromen-3-yl)methylene)benzofuran-3(2H)-one859661-47-5C20H16O4
- 2,6-Bis(benzyloxy)cyclohexa-2,5-diene-1,4-dione6625-45-2C20H16O4
- Benz[a]anthracene-1,7,12(2H)-trione, 3,4-dihydro-8-methoxy-3-methyl-56630-78-5C20H16O4
- 4-(7-Methoxy-1-benzofuran-2-yl)-6,8-dimethyl-2H-chromen-2-one637752-33-1C20H16O4
- 4-(7-Ethoxy-1-benzofuran-2-yl)-7-methyl-2H-chromen-2-one637752-23-9C20H16O4
- Benzyl 2-oxo-8-prop-2-enyl-chromene-3-carboxylate5532-49-0C20H16O4
- (Z)-6-(2-Oxopropoxy)-2-((E)-3-phenylallylidene)benzofuran-3(2H)-one859665-46-6C20H16O4
- (2-Naphthalen-2-yl-2-oxoethyl) 2-phenoxyacetate667893-27-8C20H16O4
- 2-(2-Naphthyl)-2-oxoethyl 4-methoxybenzoate524043-61-6C20H16O4
- 4-(6-Methoxy-3-methylbenzofuran-2-yl)-7-methyl-2H-chromen-2-one858763-20-9C20H16O4
- (Z)-2-((2H-Chromen-3-yl)methylene)-6-ethoxybenzofuran-3(2H)-one859661-17-9C20H16O4
- 2-(1-Naphthyl)-2-oxoethyl 4-methoxybenzoate474906-65-5C20H16O4
- 4-(2-Benzyloxyphenyl)-3-hydroxybenzoic acid1261915-28-9C20H16O4
- Ethyl 11b-hydroxy-2-oxo-2,11b-dihydro-1H-cyclopenta[l]phenanthrene-3-carboxylate72471-15-9C20H16O4
- 1,4-Bis(allyloxy)anthraquinone79207-97-9C20H16O4
- 2-(2-Naphthyl)-2-oxoethyl 2-methoxybenzoate516468-87-4C20H16O4
- 4-(3,5-Dimethylbenzofuran-2-yl)-7-methoxy-2H-chromen-2-one637751-98-5C20H16O4
- 4-(7-Ethoxy-1-benzofuran-2-yl)-6-methyl-2H-chromen-2-one637752-16-0C20H16O4
- 2-{(E)-[5-(4-Methylphenyl)-2-oxofuran-3(2H)-ylidene]methyl}phenyl acetate347375-57-9C20H16O4
- 4-(1-Benzofuran-2-yl)-6-ethoxy-7-methyl-2H-chromen-2-one898430-13-2C20H16O4
- 3-(4-Benzyloxyphenyl)-5-hydroxybenzoic acid1261912-80-4C20H16O4
- 4-(4-Benzyloxyphenyl)-2-hydroxybenzoic acid1261956-05-1C20H16O4
- 2-(Acryloyloxy)ethyl anthracene-9-carboxylate171564-43-5C20H16O4
- Dimethyl [(anthracen-9-yl)methylidene]propanedioate7599-09-9C20H16O4
- 4-(6-Methoxy-3-methyl-1-benzofuran-2-yl)-6-methylchromen-2-one858766-29-7C20H16O4
- 3-(2-Benzyloxyphenyl)-5-hydroxybenzoic acid1258625-88-5C20H16O4
- 4-(2-Benzyloxyphenyl)-2-hydroxybenzoic acid1261969-30-5C20H16O4
- 4-(3-Benzyloxyphenyl)-3-hydroxybenzoic acid1261981-28-5C20H16O4
- 3-(3-Benzyloxyphenyl)-5-hydroxybenzoic acid1258633-19-0C20H16O4
- 4-(3-Benzyloxyphenyl)-2-hydroxybenzoic acid1261906-67-5C20H16O4
- 4-(4-Benzyloxyphenyl)-3-hydroxybenzoic acid1261912-74-6C20H16O4
- 4-Acetylphenyl (naphthalen-2-yloxy)acetate511516-07-7C20H16O4
- 5-Ethyl-3-(4-methoxyphenyl)-7H-furo[3,2-g]chromen-7-one374711-29-2C20H16O4
- 2-(2-Naphthyl)-2-oxoethyl 2-hydroxy-3-methylbenzoate524043-65-0C20H16O4
- 4-Hydroxy-3-(3-oxo-1-phenylbutyl)naphthalene-1,2-dione64198-81-8C20H16O4
- Benzoic acid, 4-[4-(phenylmethoxy)phenoxy]-158770-34-4C20H16O4
- [2-(Furan-2-yl)-4-phenyl-1,3-dioxolan-4-yl](phenyl)methanone54951-49-4C20H16O4
- 4-Hydroxy-5-methoxy-4'-phenoxy[1,1'-biphenyl]-3-carboxaldehyde1093120-57-0C20H16O4
- 1,5-Bis[(prop-2-en-1-yl)oxy]anthracene-9,10-dione113681-15-5C20H16O4
- 7,12-Dihydroxymethylbenz(a)anthracene-3,4-diol78776-38-2C20H16O4
- 5-(4-Methoxyphenyl)-3,9-dimethyl-7H-furo[3,2-g]chromen-7-one374764-27-9C20H16O4
- 2-(4-Methylphenyl)-2-oxo-1-phenylethyl 2-furoate524043-83-2C20H16O4
- 1,3-Benzodioxole, 5-((4-phenoxyphenoxy)methyl)-54758-94-0C20H16O4
- 3,4-Dihydro-2H-spiro[naphthalene-1,2'-naphtho[1,8-de][1,3]dioxine]-4,5-diol211566-59-5C20H16O4
- Ethyl 4-oxo-2,6-diphenyl-4H-pyran-3-carboxylate1972603-32-9C20H16O4
- 6,11-Dimethoxy-1,4-dihydrotetracene-5,12-dione58977-01-8C20H16O4
- 6,11-Dimethoxy-7,10-dihydrotetracene-5,12-dione58976-89-9C20H16O4
- 5-(4-Methoxyphenyl)-2,3-dimethyl-7H-furo[3,2-g]chromen-7-one374764-99-5C20H16O4
- 2-Naphthalenecarboxylic acid, 4-(acetyloxy)-8-phenyl-, methyl ester181258-95-7C20H16O4
- Benzoic acid, 4-[[(2-acetyl-1-naphthalenyl)oxy]methyl]-833484-87-0C20H16O4
- 8-Acetyl-5-methoxynaphthalen-1-yl benzoate64725-90-2C20H16O4
- Methyl4-acetoxy-1-phenyl-2-naphthoate99303-73-8C20H16O4
- 2-Methyl 1-(phenylmethyl)-2,3-naphthalenedicarboxylate937625-16-6C20H16O4
- 3-[(4-Phenoxyphenoxy)methyl]benzoic acid938247-96-2C20H16O4
- Benzo(a)pyrene-4,5,11,12-tetrol, 4,5,11,12-tetrahydro-, (4alpha,5alpha,11beta,12beta)-62533-88-4C20H16O4
- 4,5,9,10-Tetrahydrobenzo[e]pyrene-4,5,9,10-tetrol87068-90-4C20H16O4
- 4,6-Dihydrobenzo[pqr]tetraphene-4,5,5a,6(5H)-tetrol62533-89-5C20H16O4
- 5-Ethyl-3-(3-methoxyphenyl)-7H-furo[3,2-g]chromen-7-one858750-77-3C20H16O4
Frequently asked questions
What is the molar mass of C20H16O4?
The molar mass of C20H16O4 is 320.34 g/mol, calculated from standard atomic weights for 20 carbon atoms, 16 hydrogen atoms and 4 oxygen atoms. The monoisotopic mass is 324.1183 Da.
How many compounds have the formula C20H16O4?
CompoundList lists 129 compounds with the molecular formula C20H16O4, including Corylin, Phenolphthalin, 3-(4-Methoxyphenyl)-5,6-dimethyl-7H-furo[3,2-g]chromen-7-one. 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 C20H16O4?
C20H16O4 has a degree of unsaturation of 13. 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.