CompoundList
Molecular formula

C19H21N3O

229 compounds have this formula on CompoundList.

Molar mass
307.40g/mol
Monoisotopic mass
313.2061Da
Atoms
44
Elements
4
Rings plus double bonds
11

The formula C19H21N3O describes a molecule made of 19 carbon atoms, 21 hydrogen atoms, 3 nitrogen atoms and 1 oxygen atom. 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 × 1974.24%
    12.011 × 19 = 228.209 g/mol
  • H Hydrogen × 216.89%
    1.008 × 21 = 21.168 g/mol
  • N Nitrogen × 313.67%
    14.007 × 3 = 42.021 g/mol
  • O Oxygen × 15.20%
    15.999 × 1 = 15.999 g/mol
Look up another formula

Compounds with the formula C19H21N3O

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

Showing 101 to 200 of 229 compounds

1H,5H-Benzo(ij)quinolizin-1-one, 2,3,6,7-tetrahydro-9-methoxy-, phenylhydrazone chemical structure, C19H21N3O, CAS 101077-35-4
1H,5H-Benzo(ij)quinolizin-1-one, 2,3,6,7-tetrahydro-9-methoxy-, phenylhydrazone
CAS 101077-35-4C19H21N3O
Imidazo(1,5-a)pyrazin-3(2H)-one, hexahydro-2-(3-methylphenyl)-7-phenyl- chemical structure, C19H21N3O, CAS 91532-91-1
Imidazo(1,5-a)pyrazin-3(2H)-one, hexahydro-2-(3-methylphenyl)-7-phenyl-
CAS 91532-91-1C19H21N3O
1-(3,4-Dihydro-2H-pyrrol-5-yl)-1-(2,3-dimethylphenyl)-3-phenylurea chemical structure, C19H21N3O, CAS 915188-07-7
1-(3,4-Dihydro-2H-pyrrol-5-yl)-1-(2,3-dimethylphenyl)-3-phenylurea
CAS 915188-07-7C19H21N3O
1-[2-(4-Morpholinyl)ethyl]-2-phenyl-1H-benzimidazole chemical structure, C19H21N3O, CAS 5322-96-3
1-[2-(4-Morpholinyl)ethyl]-2-phenyl-1H-benzimidazole
CAS 5322-96-3C19H21N3O
(2Z)-2-{[3-(4-Ethylphenyl)-1H-pyrazol-4-yl]methylidene}-4,4-dimethyl-3-oxopentanenitrile chemical structure, C19H21N3O, CAS 587853-12-1
(2Z)-2-{[3-(4-Ethylphenyl)-1H-pyrazol-4-yl]methylidene}-4,4-dimethyl-3-oxopentanenitrile
CAS 587853-12-1C19H21N3O
N-(1-Cyanocyclopentyl)-2,3,4,9-tetrahydro-1H-carbazole-6-carboxamide chemical structure, C19H21N3O, CAS 1356587-94-4
N-(1-Cyanocyclopentyl)-2,3,4,9-tetrahydro-1H-carbazole-6-carboxamide
CAS 1356587-94-4C19H21N3O
1-Isopropyl-N-[2-(4-pyridyl)ethyl]-1H-indole-4-carboxamide chemical structure, C19H21N3O, CAS 1401582-36-2
1-Isopropyl-N-[2-(4-pyridyl)ethyl]-1H-indole-4-carboxamide
CAS 1401582-36-2C19H21N3O
N-{[1-(4-Cyanonaphthalen-1-yl)piperidin-3-yl]methyl}acetamide chemical structure, C19H21N3O, CAS 870889-71-7
N-{[1-(4-Cyanonaphthalen-1-yl)piperidin-3-yl]methyl}acetamide
CAS 870889-71-7C19H21N3O
1-Isopropyl-N-[2-(4-pyridyl)ethyl]-1H-indole-5-carboxamide chemical structure, C19H21N3O, CAS 1401542-73-1
1-Isopropyl-N-[2-(4-pyridyl)ethyl]-1H-indole-5-carboxamide
CAS 1401542-73-1C19H21N3O
1-(4-(Benzyl(methyl)amino)but-2-yn-1-yl)-3-phenylurea chemical structure, C19H21N3O, CAS 1396843-44-9
1-(4-(Benzyl(methyl)amino)but-2-yn-1-yl)-3-phenylurea
CAS 1396843-44-9C19H21N3O
5,6,7,8-Tetrahydro-5-[[2-(2-methoxyphenyl)ethyl]amino]-2-quinolinecarbonitrile chemical structure, C19H21N3O, CAS 1542131-80-5
5,6,7,8-Tetrahydro-5-[[2-(2-methoxyphenyl)ethyl]amino]-2-quinolinecarbonitrile
CAS 1542131-80-5C19H21N3O
Zolpidem impurity 9 chemical structure, C19H21N3O, CAS 82626-71-9
Zolpidem impurity 9
CAS 82626-71-9C19H21N3O
1-(3-(3,4-Dihydroisoquinolin-2(1H)-yl)azetidin-1-yl)-2-(pyridin-3-yl)ethanone chemical structure, C19H21N3O, CAS 2034307-66-7
1-(3-(3,4-Dihydroisoquinolin-2(1H)-yl)azetidin-1-yl)-2-(pyridin-3-yl)ethanone
CAS 2034307-66-7C19H21N3O
4-Acridinecarboxamide, N-(2-(dimethylamino)ethyl)-3-methyl- chemical structure, C19H21N3O, CAS 106626-71-5
4-Acridinecarboxamide, N-(2-(dimethylamino)ethyl)-3-methyl-
CAS 106626-71-5C19H21N3O
2,2-Dimethyl-N-[4-(5-methyl-1H-benzimidazol-2-yl)phenyl]propanamide chemical structure, C19H21N3O, CAS 667435-52-1
2,2-Dimethyl-N-[4-(5-methyl-1H-benzimidazol-2-yl)phenyl]propanamide
CAS 667435-52-1C19H21N3O
2-Benzyl-4-(4-isopropylphenyl)-5-methyl-2,4-dihydro-3H-1,2,4-triazol-3-one chemical structure, C19H21N3O, CAS 860785-25-7
2-Benzyl-4-(4-isopropylphenyl)-5-methyl-2,4-dihydro-3H-1,2,4-triazol-3-one
CAS 860785-25-7C19H21N3O
N-(1H-Benzimidazol-2-ylmethyl)-4-tert-butylbenzamide chemical structure, C19H21N3O, CAS 489400-19-3
N-(1H-Benzimidazol-2-ylmethyl)-4-tert-butylbenzamide
CAS 489400-19-3C19H21N3O
N-({8-Methylimidazo[1,2-A]pyridin-2-YL}methyl)-4-phenylbutanamide chemical structure, C19H21N3O, CAS 868971-16-8
N-({8-Methylimidazo[1,2-A]pyridin-2-YL}methyl)-4-phenylbutanamide
CAS 868971-16-8C19H21N3O
4-[[4-(4-Methoxyphenyl)-1-piperazinyl]methyl]benzonitrile chemical structure, C19H21N3O, CAS 863411-70-5
4-[[4-(4-Methoxyphenyl)-1-piperazinyl]methyl]benzonitrile
CAS 863411-70-5C19H21N3O
Acetophenone, 2-((4-methyl-1-piperazinyl)imino)-4'-phenyl- chemical structure, C19H21N3O, CAS 24342-47-0
Acetophenone, 2-((4-methyl-1-piperazinyl)imino)-4'-phenyl-
CAS 24342-47-0C19H21N3O
Benzamide, N-1-azabicyclo[2.2.2]oct-3-yl-3-(3-pyridinyl)- chemical structure, C19H21N3O, CAS 355385-76-1
Benzamide, N-1-azabicyclo[2.2.2]oct-3-yl-3-(3-pyridinyl)-
CAS 355385-76-1C19H21N3O
5-Isoquinolinamine, N-[1-(3-furanylmethyl)-3-piperidinyl]- chemical structure, C19H21N3O, CAS 675133-43-4
5-Isoquinolinamine, N-[1-(3-furanylmethyl)-3-piperidinyl]-
CAS 675133-43-4C19H21N3O
5-Ethyl-1,3-dimethyl-N-(pyridin-3-ylmethyl)-1H-indole-2-carboxamide chemical structure, C19H21N3O, CAS 925640-39-7
5-Ethyl-1,3-dimethyl-N-(pyridin-3-ylmethyl)-1H-indole-2-carboxamide
CAS 925640-39-7C19H21N3O
1-(3,4-Dihydro-2H-pyrrol-5-yl)-1-(m-tolyl)-3-(p-tolyl)urea chemical structure, C19H21N3O, CAS 905797-41-3
1-(3,4-Dihydro-2H-pyrrol-5-yl)-1-(m-tolyl)-3-(p-tolyl)urea
CAS 905797-41-3C19H21N3O

Frequently asked questions

What is the molar mass of C19H21N3O?

The molar mass of C19H21N3O is 307.40 g/mol, calculated from standard atomic weights for 19 carbon atoms, 21 hydrogen atoms, 3 nitrogen atoms and 1 oxygen atom. The monoisotopic mass is 313.2061 Da.

How many compounds have the formula C19H21N3O?

CompoundList lists 229 compounds with the molecular formula C19H21N3O, including 1H,5H-Benzo(ij)quinolizin-1-one, 2,3,6,7-tetrahydro-9-methoxy-, phenylhydrazone, Imidazo(1,5-a)pyrazin-3(2H)-one, hexahydro-2-(3-methylphenyl)-7-phenyl-, 1-(3,4-Dihydro-2H-pyrrol-5-yl)-1-(2,3-dimethylphenyl)-3-phenylurea. 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 C19H21N3O?

C19H21N3O 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.