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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 401 to 431 of 431 compounds

2,3-Bis(4-methoxyphenyl)-1,3a-dihydropyrazolo[1,5-a]pyrimidin-6-ol chemical structure, C20H19N3O3, CAS 802919-16-0
2,3-Bis(4-methoxyphenyl)-1,3a-dihydropyrazolo[1,5-a]pyrimidin-6-ol
CAS 802919-16-0C20H19N3O3
N-{2-[4-(1-Methyl-1H-pyrazol-4-yl)phenyl]ethyl}-2H-1,3-benzodioxole-5-carboxamide chemical structure, C20H19N3O3, CAS 2548996-65-0
N-{2-[4-(1-Methyl-1H-pyrazol-4-yl)phenyl]ethyl}-2H-1,3-benzodioxole-5-carboxamide
CAS 2548996-65-0C20H19N3O3
7-(2,3-Dimethoxybenzoyl)-6H,7H,8H,9H-pyrido[2,3-b]1,6-naphthyridine chemical structure, C20H19N3O3, CAS 2742044-57-9
7-(2,3-Dimethoxybenzoyl)-6H,7H,8H,9H-pyrido[2,3-b]1,6-naphthyridine
CAS 2742044-57-9C20H19N3O3
7-(3,4-Dimethoxybenzoyl)-6H,7H,8H,9H-pyrido[2,3-b]1,6-naphthyridine chemical structure, C20H19N3O3, CAS 2742050-56-0
7-(3,4-Dimethoxybenzoyl)-6H,7H,8H,9H-pyrido[2,3-b]1,6-naphthyridine
CAS 2742050-56-0C20H19N3O3
7-(3,5-Dimethoxybenzoyl)-6H,7H,8H,9H-pyrido[2,3-b]1,6-naphthyridine chemical structure, C20H19N3O3, CAS 2742067-58-7
7-(3,5-Dimethoxybenzoyl)-6H,7H,8H,9H-pyrido[2,3-b]1,6-naphthyridine
CAS 2742067-58-7C20H19N3O3
2-(3-Methoxyphenoxy)-1-{6H,7H,8H,9H-pyrido[2,3-b]1,6-naphthyridin-7-yl}ethan-1-one chemical structure, C20H19N3O3, CAS 2741944-32-9
2-(3-Methoxyphenoxy)-1-{6H,7H,8H,9H-pyrido[2,3-b]1,6-naphthyridin-7-yl}ethan-1-one
CAS 2741944-32-9C20H19N3O3
7-(2,4-Dimethoxybenzoyl)-6H,7H,8H,9H-pyrido[2,3-b]1,6-naphthyridine chemical structure, C20H19N3O3, CAS 2770617-41-7
7-(2,4-Dimethoxybenzoyl)-6H,7H,8H,9H-pyrido[2,3-b]1,6-naphthyridine
CAS 2770617-41-7C20H19N3O3
2-(4-Methoxyphenoxy)-1-{6H,7H,8H,9H-pyrido[2,3-b]1,6-naphthyridin-7-yl}ethan-1-one chemical structure, C20H19N3O3, CAS 2770592-61-3
2-(4-Methoxyphenoxy)-1-{6H,7H,8H,9H-pyrido[2,3-b]1,6-naphthyridin-7-yl}ethan-1-one
CAS 2770592-61-3C20H19N3O3
2-(2-Methoxyphenoxy)-1-{6H,7H,8H,9H-pyrido[2,3-b]1,6-naphthyridin-7-yl}ethan-1-one chemical structure, C20H19N3O3, CAS 2770623-45-3
2-(2-Methoxyphenoxy)-1-{6H,7H,8H,9H-pyrido[2,3-b]1,6-naphthyridin-7-yl}ethan-1-one
CAS 2770623-45-3C20H19N3O3
Benzyl N-[1-(1,3-dihydro-2-benzofuran-5-yl)-5-methyl-1H-pyrazol-3-yl]carbamate chemical structure, C20H19N3O3, CAS 2803864-41-5
Benzyl N-[1-(1,3-dihydro-2-benzofuran-5-yl)-5-methyl-1H-pyrazol-3-yl]carbamate
CAS 2803864-41-5C20H19N3O3
Benzyl N-{3-cyano-1-[(furan-2-yl)methyl]-4,5-dimethyl-1H-pyrrol-2-yl}carbamate chemical structure, C20H19N3O3, CAS 2680671-45-6
Benzyl N-{3-cyano-1-[(furan-2-yl)methyl]-4,5-dimethyl-1H-pyrrol-2-yl}carbamate
CAS 2680671-45-6C20H19N3O3
tert-Butyl N-[4-cyano-2-(naphthalen-1-yl)-1,3-oxazol-5-yl]-N-methylcarbamate chemical structure, C20H19N3O3, CAS 2680723-32-2
tert-Butyl N-[4-cyano-2-(naphthalen-1-yl)-1,3-oxazol-5-yl]-N-methylcarbamate
CAS 2680723-32-2C20H19N3O3
Benzyl N-(2-hydroxyethyl)-N-(6-phenylpyridazin-3-yl)carbamate chemical structure, C20H19N3O3, CAS 2680696-71-1
Benzyl N-(2-hydroxyethyl)-N-(6-phenylpyridazin-3-yl)carbamate
CAS 2680696-71-1C20H19N3O3
Benzyl N-{1-[(4-cyanophenyl)methyl]-2-oxopyrrolidin-3-yl}carbamate chemical structure, C20H19N3O3, CAS 2680553-37-9
Benzyl N-{1-[(4-cyanophenyl)methyl]-2-oxopyrrolidin-3-yl}carbamate
CAS 2680553-37-9C20H19N3O3
Benzyl N-{2-[4-(3-formylphenyl)-1H-pyrazol-1-yl]ethyl}carbamate chemical structure, C20H19N3O3, CAS 2680865-83-0
Benzyl N-{2-[4-(3-formylphenyl)-1H-pyrazol-1-yl]ethyl}carbamate
CAS 2680865-83-0C20H19N3O3
Benzyl N-[1-(4-cyanophenyl)-2-oxopiperidin-3-yl]carbamate chemical structure, C20H19N3O3, CAS 2680546-25-0
Benzyl N-[1-(4-cyanophenyl)-2-oxopiperidin-3-yl]carbamate
CAS 2680546-25-0C20H19N3O3
(9H-Fluoren-9-yl)methyl N-[5-(hydroxymethyl)-1-methyl-1H-pyrazol-3-yl]carbamate chemical structure, C20H19N3O3, CAS 2763976-53-8
(9H-Fluoren-9-yl)methyl N-[5-(hydroxymethyl)-1-methyl-1H-pyrazol-3-yl]carbamate
CAS 2763976-53-8C20H19N3O3
(9H-Fluoren-9-yl)methyl N-[3-(hydroxymethyl)-1-methyl-1H-pyrazol-5-yl]carbamate chemical structure, C20H19N3O3, CAS 2764000-95-3
(9H-Fluoren-9-yl)methyl N-[3-(hydroxymethyl)-1-methyl-1H-pyrazol-5-yl]carbamate
CAS 2764000-95-3C20H19N3O3
(9H-Fluoren-9-yl)methyl N-[1-(2-hydroxyethyl)-1H-pyrazol-5-yl]carbamate chemical structure, C20H19N3O3, CAS 2763909-37-9
(9H-Fluoren-9-yl)methyl N-[1-(2-hydroxyethyl)-1H-pyrazol-5-yl]carbamate
CAS 2763909-37-9C20H19N3O3
(9H-Fluoren-9-yl)methyl N-[2-hydroxy-1-(1H-imidazol-2-yl)ethyl]carbamate chemical structure, C20H19N3O3, CAS 2763956-20-1
(9H-Fluoren-9-yl)methyl N-[2-hydroxy-1-(1H-imidazol-2-yl)ethyl]carbamate
CAS 2763956-20-1C20H19N3O3
(9H-Fluoren-9-yl)methyl N-[2-(3-hydroxy-1H-pyrazol-4-yl)ethyl]carbamate chemical structure, C20H19N3O3, CAS 2763976-52-7
(9H-Fluoren-9-yl)methyl N-[2-(3-hydroxy-1H-pyrazol-4-yl)ethyl]carbamate
CAS 2763976-52-7C20H19N3O3
(9H-Fluoren-9-yl)methyl N-[2-hydroxy-2-(1H-imidazol-4-yl)ethyl]carbamate chemical structure, C20H19N3O3, CAS 2281170-33-8
(9H-Fluoren-9-yl)methyl N-[2-hydroxy-2-(1H-imidazol-4-yl)ethyl]carbamate
CAS 2281170-33-8C20H19N3O3
(9H-Fluoren-9-yl)methyl N-[1-(2-hydroxyethyl)-1H-pyrazol-4-yl]carbamate chemical structure, C20H19N3O3, CAS 2763940-21-0
(9H-Fluoren-9-yl)methyl N-[1-(2-hydroxyethyl)-1H-pyrazol-4-yl]carbamate
CAS 2763940-21-0C20H19N3O3
(9H-Fluoren-9-yl)methyl N-[1-(2-hydroxyethyl)-1H-pyrazol-3-yl]carbamate chemical structure, C20H19N3O3, CAS 2763926-19-6
(9H-Fluoren-9-yl)methyl N-[1-(2-hydroxyethyl)-1H-pyrazol-3-yl]carbamate
CAS 2763926-19-6C20H19N3O3

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 2,3-Bis(4-methoxyphenyl)-1,3a-dihydropyrazolo[1,5-a]pyrimidin-6-ol, N-{2-[4-(1-Methyl-1H-pyrazol-4-yl)phenyl]ethyl}-2H-1,3-benzodioxole-5-carboxamide, 7-(2,3-Dimethoxybenzoyl)-6H,7H,8H,9H-pyrido[2,3-b]1,6-naphthyridine. 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.