CompoundList
Sign in
Molecular formula

C21H19N3O3

215 compounds have this formula on CompoundList.

Molar mass
361.40g/mol
Monoisotopic mass
361.1426Da
Atoms
46
Elements
4
Rings plus double bonds
14

The formula C21H19N3O3 describes a molecule made of 21 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 × 2169.79%
    12.011 × 21 = 252.231 g/mol
  • H Hydrogen × 195.30%
    1.008 × 19 = 19.152 g/mol
  • N Nitrogen × 311.63%
    14.007 × 3 = 42.021 g/mol
  • O Oxygen × 313.28%
    15.999 × 3 = 47.997 g/mol
Look up another formula

Compounds with the formula C21H19N3O3

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

Showing 201 to 215 of 215 compounds

(9H-Fluoren-9-yl)methyl N-[2-(2-hydroxypyrimidin-5-yl)ethyl]carbamate chemical structure, C21H19N3O3, CAS 2763975-65-9
(9H-Fluoren-9-yl)methyl N-[2-(2-hydroxypyrimidin-5-yl)ethyl]carbamate
CAS 2763975-65-9C21H19N3O3
(9H-Fluoren-9-yl)methyl 3-hydroxy-4H,5H,6H,7H-pyrazolo[1,5-a]pyrazine-5-carboxylate chemical structure, C21H19N3O3, CAS 2763984-05-8
(9H-Fluoren-9-yl)methyl 3-hydroxy-4H,5H,6H,7H-pyrazolo[1,5-a]pyrazine-5-carboxylate
CAS 2763984-05-8C21H19N3O3
(9H-Fluoren-9-yl)methyl N-(4-ethyl-6-hydroxypyrimidin-2-yl)carbamate chemical structure, C21H19N3O3, CAS 2763956-06-3
(9H-Fluoren-9-yl)methyl N-(4-ethyl-6-hydroxypyrimidin-2-yl)carbamate
CAS 2763956-06-3C21H19N3O3
(9H-Fluoren-9-yl)methyl N-(2-hydroxyethyl)-N-(pyrimidin-2-yl)carbamate chemical structure, C21H19N3O3, CAS 2764019-71-6
(9H-Fluoren-9-yl)methyl N-(2-hydroxyethyl)-N-(pyrimidin-2-yl)carbamate
CAS 2764019-71-6C21H19N3O3
(9H-Fluoren-9-yl)methyl N-(6-hydroxy-2,5-dimethylpyrimidin-4-yl)carbamate chemical structure, C21H19N3O3, CAS 2764018-89-3
(9H-Fluoren-9-yl)methyl N-(6-hydroxy-2,5-dimethylpyrimidin-4-yl)carbamate
CAS 2764018-89-3C21H19N3O3
(9H-Fluoren-9-yl)methyl N-[(4-hydroxy-2-methylpyrimidin-5-yl)methyl]carbamate chemical structure, C21H19N3O3, CAS 2764010-78-6
(9H-Fluoren-9-yl)methyl N-[(4-hydroxy-2-methylpyrimidin-5-yl)methyl]carbamate
CAS 2764010-78-6C21H19N3O3
(9H-Fluoren-9-yl)methyl N-[2-(hydroxymethyl)-4-methylpyrimidin-5-yl]carbamate chemical structure, C21H19N3O3, CAS 2763906-01-8
(9H-Fluoren-9-yl)methyl N-[2-(hydroxymethyl)-4-methylpyrimidin-5-yl]carbamate
CAS 2763906-01-8C21H19N3O3
(9H-Fluoren-9-yl)methyl 4-(hydroxymethyl)-2H,4H,5H,6H-pyrrolo[3,4-c]pyrazole-5-carboxylate chemical structure, C21H19N3O3, CAS 2764001-71-8
(9H-Fluoren-9-yl)methyl 4-(hydroxymethyl)-2H,4H,5H,6H-pyrrolo[3,4-c]pyrazole-5-carboxylate
CAS 2764001-71-8C21H19N3O3
(9H-Fluoren-9-yl)methyl N-[5-(hydroxymethyl)-2-methylpyrimidin-4-yl]carbamate chemical structure, C21H19N3O3, CAS 2763940-39-0
(9H-Fluoren-9-yl)methyl N-[5-(hydroxymethyl)-2-methylpyrimidin-4-yl]carbamate
CAS 2763940-39-0C21H19N3O3
(9H-Fluoren-9-yl)methyl N-{[(1-cyanocyclopropyl)carbamoyl]methyl}carbamate chemical structure, C21H19N3O3, CAS 2770500-49-5
(9H-Fluoren-9-yl)methyl N-{[(1-cyanocyclopropyl)carbamoyl]methyl}carbamate
CAS 2770500-49-5C21H19N3O3
(9H-Fluoren-9-yl)methyl 3-(5-oxo-2,5-dihydro-1H-pyrazol-3-yl)azetidine-1-carboxylate chemical structure, C21H19N3O3, CAS 2913418-15-0
(9H-Fluoren-9-yl)methyl 3-(5-oxo-2,5-dihydro-1H-pyrazol-3-yl)azetidine-1-carboxylate
CAS 2913418-15-0C21H19N3O3
Ethyl 4-hydroxy-4-phenyl-2-[(4-phenyl-1,2,4-triazol-3-yl)methylidene]but-3-enoate chemical structure, C21H19N3O3
Ethyl 4-hydroxy-4-phenyl-2-[(4-phenyl-1,2,4-triazol-3-yl)methylidene]but-3-enoate
C21H19N3O3
(4Z)-4-[(E)-3-[4-(Dimethylamino)phenyl]prop-2-enylidene]-5-oxo-1-phenylpyrazole-3-carboxylic acid chemical structure, C21H19N3O3
(4Z)-4-[(E)-3-[4-(Dimethylamino)phenyl]prop-2-enylidene]-5-oxo-1-phenylpyrazole-3-carboxylic acid
C21H19N3O3
Ethyl (Z,2Z)-4-hydroxy-4-phenyl-2-[(4-phenyl-1,2,4-triazol-3-yl)methylidene]but-3-enoate chemical structure, C21H19N3O3
Ethyl (Z,2Z)-4-hydroxy-4-phenyl-2-[(4-phenyl-1,2,4-triazol-3-yl)methylidene]but-3-enoate
C21H19N3O3
2-[[(E)-2-Cyano-3-(4-pyrrolidin-1-ylphenyl)prop-2-enoyl]amino]benzoic acid chemical structure, C21H19N3O3
2-[[(E)-2-Cyano-3-(4-pyrrolidin-1-ylphenyl)prop-2-enoyl]amino]benzoic acid
C21H19N3O3

Frequently asked questions

What is the molar mass of C21H19N3O3?

The molar mass of C21H19N3O3 is 361.40 g/mol, calculated from standard atomic weights for 21 carbon atoms, 19 hydrogen atoms, 3 nitrogen atoms and 3 oxygen atoms. The monoisotopic mass is 361.1426 Da.

How many compounds have the formula C21H19N3O3?

CompoundList lists 215 compounds with the molecular formula C21H19N3O3, including (9H-Fluoren-9-yl)methyl N-[2-(2-hydroxypyrimidin-5-yl)ethyl]carbamate, (9H-Fluoren-9-yl)methyl 3-hydroxy-4H,5H,6H,7H-pyrazolo[1,5-a]pyrazine-5-carboxylate, (9H-Fluoren-9-yl)methyl N-(4-ethyl-6-hydroxypyrimidin-2-yl)carbamate. 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 C21H19N3O3?

C21H19N3O3 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.