CompoundList
Molecular formula

C20H19N3O3

431 compounds have this formula on CompoundList.

Molar mass
349.39g/mol
Monoisotopic mass
349.1426Da
Atoms
45
Elements
4
Rings plus double bonds
13

The formula C20H19N3O3 describes a molecule made of 20 carbon atoms, 19 hydrogen atoms, 3 nitrogen atoms and 3 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 × 2068.75%
    12.011 × 20 = 240.220 g/mol
  • H Hydrogen × 195.48%
    1.008 × 19 = 19.152 g/mol
  • N Nitrogen × 312.03%
    14.007 × 3 = 42.021 g/mol
  • O Oxygen × 313.74%
    15.999 × 3 = 47.997 g/mol
Look up another formula

Compounds with the formula C20H19N3O3

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

Showing 1 to 100 of 431 compounds

3-Nitro-1-phenyl-4-(piperidin-1-yl)quinolin-2(1H)-one chemical structure, C20H19N3O3, CAS 334501-09-6
3-Nitro-1-phenyl-4-(piperidin-1-yl)quinolin-2(1H)-one
CAS 334501-09-6C20H19N3O3
Benzopyrano(4,3,2-de)phthalazin-3(2H)-one, 10-((4-hydroxy-1-piperidinyl)methyl)- chemical structure, C20H19N3O3, CAS 902128-92-1
Benzopyrano(4,3,2-de)phthalazin-3(2H)-one, 10-((4-hydroxy-1-piperidinyl)methyl)-
CAS 902128-92-1C20H19N3O3
2-Phenoxy-N-[5-(5,6,7,8-tetrahydronaphthalen-2-yl)-1,3,4-oxadiazol-2-yl]acetamide chemical structure, C20H19N3O3, CAS 851095-96-0
2-Phenoxy-N-[5-(5,6,7,8-tetrahydronaphthalen-2-yl)-1,3,4-oxadiazol-2-yl]acetamide
CAS 851095-96-0C20H19N3O3
N-(1,3-Benzodioxol-5-yl)-2,3-diethyl-6-quinoxalinecarboxamide chemical structure, C20H19N3O3, CAS 851213-36-0
N-(1,3-Benzodioxol-5-yl)-2,3-diethyl-6-quinoxalinecarboxamide
CAS 851213-36-0C20H19N3O3
8-Dimethylaminomethyl-7-hydroxy-3-(1-methyl-1H-benzoimidazol-2-yl)-chromen-2-one chemical structure, C20H19N3O3, CAS 300556-27-8
8-Dimethylaminomethyl-7-hydroxy-3-(1-methyl-1H-benzoimidazol-2-yl)-chromen-2-one
CAS 300556-27-8C20H19N3O3
Methyl 2-[(4E)-4-[(4-methylanilino)methylidene]-5-oxo-1-phenylpyrazol-3-yl]acetate chemical structure, C20H19N3O3, CAS 523992-04-3
Methyl 2-[(4E)-4-[(4-methylanilino)methylidene]-5-oxo-1-phenylpyrazol-3-yl]acetate
CAS 523992-04-3C20H19N3O3
2-(1,5-Dimethyl-3-oxo-2-phenyl-2,3-dihydro-1H-pyrazol-4-yl)-3a,4,7,7a-tetrahydro-1H-4,7-methanoisoindole-1,3(2H)-dione chemical structure, C20H19N3O3, CAS 301298-87-3
2-(1,5-Dimethyl-3-oxo-2-phenyl-2,3-dihydro-1H-pyrazol-4-yl)-3a,4,7,7a-tetrahydro-1H-4,7-methanoisoindole-1,3(2H)-dione
CAS 301298-87-3C20H19N3O3
4-(4-Hydroxy-3-methoxyphenyl)-3-methyl-5-(4-methylphenyl)-4,5-dihydropyrrolo[3,4-c]pyrazol-6(1H)-one chemical structure, C20H19N3O3, CAS 573942-06-0
4-(4-Hydroxy-3-methoxyphenyl)-3-methyl-5-(4-methylphenyl)-4,5-dihydropyrrolo[3,4-c]pyrazol-6(1H)-one
CAS 573942-06-0C20H19N3O3
5-{[2-(4-Methoxyphenyl)ethyl]amino}-2-(phenoxymethyl)-1,3-oxazole-4-carbonitrile chemical structure, C20H19N3O3, CAS 606948-46-3
5-{[2-(4-Methoxyphenyl)ethyl]amino}-2-(phenoxymethyl)-1,3-oxazole-4-carbonitrile
CAS 606948-46-3C20H19N3O3
3-(3-Hydroxypropyl)-4-imino-5-phenyl-5H-chromeno[2,3-d]pyrimidin-8-ol chemical structure, C20H19N3O3, CAS 848203-80-5
3-(3-Hydroxypropyl)-4-imino-5-phenyl-5H-chromeno[2,3-d]pyrimidin-8-ol
CAS 848203-80-5C20H19N3O3
N-(Oxolan-2-ylmethyl)-2-(3-phenyl-1,2,4-oxadiazol-5-yl)benzamide chemical structure, C20H19N3O3, CAS 862484-73-9
N-(Oxolan-2-ylmethyl)-2-(3-phenyl-1,2,4-oxadiazol-5-yl)benzamide
CAS 862484-73-9C20H19N3O3
2-(1,3-Dimethyl-2,5-dioxoimidazolidin-4-yl)-N-(9H-fluoren-2-yl)acetamide chemical structure, C20H19N3O3, CAS 1008954-90-2
2-(1,3-Dimethyl-2,5-dioxoimidazolidin-4-yl)-N-(9H-fluoren-2-yl)acetamide
CAS 1008954-90-2C20H19N3O3
1-(2,3-Dimethylphenyl)-3-[(3-hydroxynaphthalene-2-carbonyl)amino]urea chemical structure, C20H19N3O3, CAS 824423-46-3
1-(2,3-Dimethylphenyl)-3-[(3-hydroxynaphthalene-2-carbonyl)amino]urea
CAS 824423-46-3C20H19N3O3
(9-Methoxy-indolo[2,3-b]quinoxalin-6-yl)-acetic acid isopropyl ester chemical structure, C20H19N3O3, CAS 842963-72-8
(9-Methoxy-indolo[2,3-b]quinoxalin-6-yl)-acetic acid isopropyl ester
CAS 842963-72-8C20H19N3O3
4-(2,3-Dimethoxyphenyl)-3-phenyl-1,4,5,7-tetrahydro-6H-pyrazolo[3,4-b]pyridin-6-one chemical structure, C20H19N3O3, CAS 727676-86-0
4-(2,3-Dimethoxyphenyl)-3-phenyl-1,4,5,7-tetrahydro-6H-pyrazolo[3,4-b]pyridin-6-one
CAS 727676-86-0C20H19N3O3
2-Methoxy-N-[5-(5,6,7,8-tetrahydronaphthalen-2-yl)-1,3,4-oxadiazol-2-yl]benzamide chemical structure, C20H19N3O3, CAS 851095-89-1
2-Methoxy-N-[5-(5,6,7,8-tetrahydronaphthalen-2-yl)-1,3,4-oxadiazol-2-yl]benzamide
CAS 851095-89-1C20H19N3O3
6-(Benzo[d][1,3]dioxol-5-yl)-N-((tetrahydrofuran-3-yl)methyl)quinazolin-4-amine chemical structure, C20H19N3O3, CAS 1285702-54-6
6-(Benzo[d][1,3]dioxol-5-yl)-N-((tetrahydrofuran-3-yl)methyl)quinazolin-4-amine
CAS 1285702-54-6C20H19N3O3
2-((3,4-Dimethylphenyl)amino)-2-oxoethyl 4-(1H-pyrazol-1-yl)benzoate chemical structure, C20H19N3O3, CAS 956964-02-6
2-((3,4-Dimethylphenyl)amino)-2-oxoethyl 4-(1H-pyrazol-1-yl)benzoate
CAS 956964-02-6C20H19N3O3
N-(2-(2-Methoxyphenyl)-4,10-dihydrobenzo[f]pyrazolo[5,1-c][1,4]oxazepin-7-yl)acetamide chemical structure, C20H19N3O3, CAS 2407782-01-6
N-(2-(2-Methoxyphenyl)-4,10-dihydrobenzo[f]pyrazolo[5,1-c][1,4]oxazepin-7-yl)acetamide
CAS 2407782-01-6C20H19N3O3
(4-(4-(4-Dimethylaminobenzyliden-1-yl)-3-methyl-5-oxo-2-pyrazolin-1-yl)benzoic acid chemical structure, C20H19N3O3, CAS 117573-89-4
(4-(4-(4-Dimethylaminobenzyliden-1-yl)-3-methyl-5-oxo-2-pyrazolin-1-yl)benzoic acid
CAS 117573-89-4C20H19N3O3
N-[(E)-[(2E)-2-(2,2-Dimethyl-6-phenyl-1,3-dioxin-4-ylidene)ethylidene]amino]pyridine-4-carboxamide chemical structure, C20H19N3O3, CAS 332059-39-9
N-[(E)-[(2E)-2-(2,2-Dimethyl-6-phenyl-1,3-dioxin-4-ylidene)ethylidene]amino]pyridine-4-carboxamide
CAS 332059-39-9C20H19N3O3
5-Nitro-7-[(3-phenylpyrrolidinyl)methyl]quinolin-8-ol chemical structure, C20H19N3O3, CAS 309268-92-6
5-Nitro-7-[(3-phenylpyrrolidinyl)methyl]quinolin-8-ol
CAS 309268-92-6C20H19N3O3
1-Benzyl-N-(3,4-dimethylphenyl)-6-hydroxy-2-oxo-1,2-dihydro-4-pyrimidinecarboxamide chemical structure, C20H19N3O3, CAS 338412-52-5
1-Benzyl-N-(3,4-dimethylphenyl)-6-hydroxy-2-oxo-1,2-dihydro-4-pyrimidinecarboxamide
CAS 338412-52-5C20H19N3O3
N-[3-(6-Ethoxypyridazin-3-yl)phenyl]-2-phenoxyacetamide chemical structure, C20H19N3O3, CAS 899746-75-9
N-[3-(6-Ethoxypyridazin-3-yl)phenyl]-2-phenoxyacetamide
CAS 899746-75-9C20H19N3O3

Frequently asked questions

What is the molar mass of C20H19N3O3?

The molar mass of C20H19N3O3 is 349.39 g/mol, calculated from standard atomic weights for 20 carbon atoms, 19 hydrogen atoms, 3 nitrogen atoms and 3 oxygen atoms. The monoisotopic mass is 349.1426 Da.

How many compounds have the formula C20H19N3O3?

CompoundList lists 431 compounds with the molecular formula C20H19N3O3, including 3-Nitro-1-phenyl-4-(piperidin-1-yl)quinolin-2(1H)-one, Benzopyrano(4,3,2-de)phthalazin-3(2H)-one, 10-((4-hydroxy-1-piperidinyl)methyl)-, 2-Phenoxy-N-[5-(5,6,7,8-tetrahydronaphthalen-2-yl)-1,3,4-oxadiazol-2-yl]acetamide. 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 C20H19N3O3?

C20H19N3O3 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.