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Molecular formula

C21H15ClN4O2

25 compounds have this formula on CompoundList.

Molar mass
390.83g/mol
Monoisotopic mass
390.0884Da
Atoms
43
Elements
5
Rings plus double bonds
16

The formula C21H15ClN4O2 describes a molecule made of 21 carbon atoms, 15 hydrogen atoms, 1 chlorine atom, 4 nitrogen atoms and 2 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 × 2164.54%
    12.011 × 21 = 252.231 g/mol
  • H Hydrogen × 153.87%
    1.008 × 15 = 15.120 g/mol
  • Cl Chlorine × 19.07%
    35.45 × 1 = 35.450 g/mol
  • N Nitrogen × 414.34%
    14.007 × 4 = 56.028 g/mol
  • O Oxygen × 28.19%
    15.999 × 2 = 31.998 g/mol
Look up another formula

Compounds with the formula C21H15ClN4O2

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

Showing 1 to 25 of 25 compounds

2-(6-Chloro-2-pyridinyl)-4-[(4-phenoxyanilino)methylene]-2,4-dihydro-3H-pyrazol-3-one chemical structure, C21H15ClN4O2, CAS 320419-26-9
2-(6-Chloro-2-pyridinyl)-4-[(4-phenoxyanilino)methylene]-2,4-dihydro-3H-pyrazol-3-one
CAS 320419-26-9C21H15ClN4O2
Bta-9881 chemical structure, C21H15ClN4O2, CAS 1646857-24-0
Bta-9881
CAS 1646857-24-0C21H15ClN4O2
(9~{B}~{r})-9~{b}-(4-chlorophenyl)-1-pyridin-3-ylcarbonyl-2,3-dihydroimidazo[5,6]pyrrolo[1,2-~{a}]pyridin-5-one chemical structure, C21H15ClN4O2, CAS 1646857-28-4
(9~{B}~{r})-9~{b}-(4-chlorophenyl)-1-pyridin-3-ylcarbonyl-2,3-dihydroimidazo[5,6]pyrrolo[1,2-~{a}]pyridin-5-one
CAS 1646857-28-4C21H15ClN4O2
N-(3-(4-Chlorophenyl)-2-methyl-4-oxo-3,4-dihydroquinazolin-6-yl)picolinamide chemical structure, C21H15ClN4O2, CAS 1170369-85-3
N-(3-(4-Chlorophenyl)-2-methyl-4-oxo-3,4-dihydroquinazolin-6-yl)picolinamide
CAS 1170369-85-3C21H15ClN4O2
N-(3-(4-Chlorophenyl)-2-methyl-4-oxo-3,4-dihydroquinazolin-6-yl)nicotinamide chemical structure, C21H15ClN4O2, CAS 1170599-20-8
N-(3-(4-Chlorophenyl)-2-methyl-4-oxo-3,4-dihydroquinazolin-6-yl)nicotinamide
CAS 1170599-20-8C21H15ClN4O2
mGlu4 receptor agonist 1 chemical structure, C21H15ClN4O2, CAS 1678501-16-0
mGlu4 receptor agonist 1
CAS 1678501-16-0C21H15ClN4O2
4-Chloro-N-[3-(2-methyl-4-oxopyrido[2,3-d]pyrimidin-3-yl)phenyl]benzamide chemical structure, C21H15ClN4O2, CAS 921817-98-3
4-Chloro-N-[3-(2-methyl-4-oxopyrido[2,3-d]pyrimidin-3-yl)phenyl]benzamide
CAS 921817-98-3C21H15ClN4O2
3-(3-Chlorophenyl)-4-oxo-N-(pyridin-3-ylmethyl)-3,4-dihydroquinazoline-7-carboxamide chemical structure, C21H15ClN4O2, CAS 1144492-15-8
3-(3-Chlorophenyl)-4-oxo-N-(pyridin-3-ylmethyl)-3,4-dihydroquinazoline-7-carboxamide
CAS 1144492-15-8C21H15ClN4O2
3-Chloro-N-[4-(2-methyl-4-oxopyrido[2,3-d]pyrimidin-3-yl)phenyl]benzamide chemical structure, C21H15ClN4O2, CAS 921866-28-6
3-Chloro-N-[4-(2-methyl-4-oxopyrido[2,3-d]pyrimidin-3-yl)phenyl]benzamide
CAS 921866-28-6C21H15ClN4O2
(1-Cyano-2-indolizinyl)methyl 5-chloro-3-methyl-1-phenyl-1H-pyrazole-4-carboxylate chemical structure, C21H15ClN4O2, CAS 956943-48-9
(1-Cyano-2-indolizinyl)methyl 5-chloro-3-methyl-1-phenyl-1H-pyrazole-4-carboxylate
CAS 956943-48-9C21H15ClN4O2
2-Chloro-N-(2-((3-(pyridin-4-yl)-1,2,4-oxadiazol-5-yl)methyl)phenyl)benzamide chemical structure, C21H15ClN4O2, CAS 1797858-44-6
2-Chloro-N-(2-((3-(pyridin-4-yl)-1,2,4-oxadiazol-5-yl)methyl)phenyl)benzamide
CAS 1797858-44-6C21H15ClN4O2
1-(Biphenyl-4-yl)-2,5-dihydro-5-oxo-1H-1,2,4-triazole-3-carboxylic acid (2-chlorophenyl)amide chemical structure, C21H15ClN4O2, CAS 1000575-33-6
1-(Biphenyl-4-yl)-2,5-dihydro-5-oxo-1H-1,2,4-triazole-3-carboxylic acid (2-chlorophenyl)amide
CAS 1000575-33-6C21H15ClN4O2
4-Chloro-N-(4-(2-methyl-4-oxopyrido[2,3-d]pyrimidin-3(4H)-yl)phenyl)benzamide chemical structure, C21H15ClN4O2, CAS 921562-38-1
4-Chloro-N-(4-(2-methyl-4-oxopyrido[2,3-d]pyrimidin-3(4H)-yl)phenyl)benzamide
CAS 921562-38-1C21H15ClN4O2
3-(3-Chlorophenyl)-4-oxo-N-(pyridin-2-ylmethyl)-3,4-dihydroquinazoline-7-carboxamide chemical structure, C21H15ClN4O2, CAS 1144483-05-5
3-(3-Chlorophenyl)-4-oxo-N-(pyridin-2-ylmethyl)-3,4-dihydroquinazoline-7-carboxamide
CAS 1144483-05-5C21H15ClN4O2
N-[(2-Chloro-1-phenylindol-3-yl)methylideneamino]-3-nitroaniline chemical structure, C21H15ClN4O2, CAS 64209-26-3
N-[(2-Chloro-1-phenylindol-3-yl)methylideneamino]-3-nitroaniline
CAS 64209-26-3C21H15ClN4O2
2-Chloro-3-{(E)-[2-(2-nitrophenyl)hydrazinylidene]methyl}-1-phenyl-1H-indole chemical structure, C21H15ClN4O2, CAS 64209-25-2
2-Chloro-3-{(E)-[2-(2-nitrophenyl)hydrazinylidene]methyl}-1-phenyl-1H-indole
CAS 64209-25-2C21H15ClN4O2
2-Chloro-3-{(E)-[2-(4-nitrophenyl)hydrazinylidene]methyl}-1-phenyl-1H-indole chemical structure, C21H15ClN4O2, CAS 64209-27-4
2-Chloro-3-{(E)-[2-(4-nitrophenyl)hydrazinylidene]methyl}-1-phenyl-1H-indole
CAS 64209-27-4C21H15ClN4O2
2-[[1-(2-Chlorophenyl)-3-phenyl-1H-pyrazol-5-yl]amino]-3-pyridinecarboxylic acid chemical structure, C21H15ClN4O2, CAS 863727-18-8
2-[[1-(2-Chlorophenyl)-3-phenyl-1H-pyrazol-5-yl]amino]-3-pyridinecarboxylic acid
CAS 863727-18-8C21H15ClN4O2
3-Hydroxy-2-naphthalenecarboxylic acid 2-[[3-(4-chlorophenyl)-1H-pyrazol-4-yl]methylene]hydrazide chemical structure, C21H15ClN4O2, CAS 895966-57-1
3-Hydroxy-2-naphthalenecarboxylic acid 2-[[3-(4-chlorophenyl)-1H-pyrazol-4-yl]methylene]hydrazide
CAS 895966-57-1C21H15ClN4O2
N-[(Z)-(2-Chloro-1-phenylindol-3-yl)methylideneamino]-3-nitroaniline chemical structure, C21H15ClN4O2
N-[(Z)-(2-Chloro-1-phenylindol-3-yl)methylideneamino]-3-nitroaniline
C21H15ClN4O2
N-[(Z)-(2-Chloro-1-phenylindol-3-yl)methylideneamino]-4-nitroaniline chemical structure, C21H15ClN4O2
N-[(Z)-(2-Chloro-1-phenylindol-3-yl)methylideneamino]-4-nitroaniline
C21H15ClN4O2
N-[(Z)-(2-Chloro-1-phenylindol-3-yl)methylideneamino]-2-nitroaniline chemical structure, C21H15ClN4O2
N-[(Z)-(2-Chloro-1-phenylindol-3-yl)methylideneamino]-2-nitroaniline
C21H15ClN4O2
4-Chloro-N-[4-[(7-oxo-8H-1,8-naphthyridin-4-yl)amino]phenyl]benzamide chemical structure, C21H15ClN4O2, CAS 1203509-84-5
4-Chloro-N-[4-[(7-oxo-8H-1,8-naphthyridin-4-yl)amino]phenyl]benzamide
CAS 1203509-84-5C21H15ClN4O2
2-[[6-Chloro-1-[(2-cyanophenyl)methyl]-3-methyl-2,4-dioxopyrimidin-5-yl]methyl]benzonitrile chemical structure, C21H15ClN4O2, CAS 2716884-59-0
2-[[6-Chloro-1-[(2-cyanophenyl)methyl]-3-methyl-2,4-dioxopyrimidin-5-yl]methyl]benzonitrile
CAS 2716884-59-0C21H15ClN4O2

Frequently asked questions

What is the molar mass of C21H15ClN4O2?

The molar mass of C21H15ClN4O2 is 390.83 g/mol, calculated from standard atomic weights for 21 carbon atoms, 15 hydrogen atoms, 1 chlorine atom, 4 nitrogen atoms and 2 oxygen atoms. The monoisotopic mass is 390.0884 Da.

How many compounds have the formula C21H15ClN4O2?

CompoundList lists 25 compounds with the molecular formula C21H15ClN4O2, including 2-(6-Chloro-2-pyridinyl)-4-[(4-phenoxyanilino)methylene]-2,4-dihydro-3H-pyrazol-3-one, Bta-9881, (9~{B}~{r})-9~{b}-(4-chlorophenyl)-1-pyridin-3-ylcarbonyl-2,3-dihydroimidazo[5,6]pyrrolo[1,2-~{a}]pyridin-5-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 C21H15ClN4O2?

C21H15ClN4O2 has a degree of unsaturation of 16. 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.