CompoundList
Sign in
Molecular formula

C21H17N3O

129 compounds have this formula on CompoundList.

Molar mass
327.39g/mol
Monoisotopic mass
327.1372Da
Atoms
42
Elements
4
Rings plus double bonds
15

The formula C21H17N3O describes a molecule made of 21 carbon atoms, 17 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 × 2177.04%
    12.011 × 21 = 252.231 g/mol
  • H Hydrogen × 175.23%
    1.008 × 17 = 17.136 g/mol
  • N Nitrogen × 312.84%
    14.007 × 3 = 42.021 g/mol
  • O Oxygen × 14.89%
    15.999 × 1 = 15.999 g/mol
Look up another formula

Compounds with the formula C21H17N3O

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

Showing 101 to 129 of 129 compounds

6-Amino-3-methyl-5-(naphthalen-1-yl)-1-phenylpyridazin-4(1H)-one chemical structure, C21H17N3O, CAS 89313-94-0
6-Amino-3-methyl-5-(naphthalen-1-yl)-1-phenylpyridazin-4(1H)-one
CAS 89313-94-0C21H17N3O
2-(2-Phenyl-1H-indol-1-yl)-N-(pyridin-4-yl)acetamide chemical structure, C21H17N3O, CAS 941100-10-3
2-(2-Phenyl-1H-indol-1-yl)-N-(pyridin-4-yl)acetamide
CAS 941100-10-3C21H17N3O
2-(2-Phenyl-1H-indol-1-yl)-N-(pyridin-2-yl)acetamide chemical structure, C21H17N3O, CAS 949442-66-4
2-(2-Phenyl-1H-indol-1-yl)-N-(pyridin-2-yl)acetamide
CAS 949442-66-4C21H17N3O
N-[3-(Phenylmethoxy)phenyl]-4-quinazolinamine chemical structure, C21H17N3O, CAS 179248-60-3
N-[3-(Phenylmethoxy)phenyl]-4-quinazolinamine
CAS 179248-60-3C21H17N3O
3-(3-Biphenyl-3-ylmethyl-isoxazol-5-yl)-pyridin-2-ylamine chemical structure, C21H17N3O, CAS 936340-58-8
3-(3-Biphenyl-3-ylmethyl-isoxazol-5-yl)-pyridin-2-ylamine
CAS 936340-58-8C21H17N3O
2,3-Dihydro-2,2-dimethyl-5-(3-quinolinyl)-1,4-benzoxazepine-9-carbonitrile chemical structure, C21H17N3O, CAS 1207749-66-3
2,3-Dihydro-2,2-dimethyl-5-(3-quinolinyl)-1,4-benzoxazepine-9-carbonitrile
CAS 1207749-66-3C21H17N3O
3-(4-Methoxyphenyl)-1,5-diphenyl-1H-1,2,4-triazole chemical structure, C21H17N3O, CAS 504408-52-0
3-(4-Methoxyphenyl)-1,5-diphenyl-1H-1,2,4-triazole
CAS 504408-52-0C21H17N3O
1,4-Dihydro-5-[3-oxo-3-(3-pyridinyl)-1-propen-1-yl]-1-(phenylmethyl)-3-pyridinecarbonitrile chemical structure, C21H17N3O, CAS 380389-68-4
1,4-Dihydro-5-[3-oxo-3-(3-pyridinyl)-1-propen-1-yl]-1-(phenylmethyl)-3-pyridinecarbonitrile
CAS 380389-68-4C21H17N3O
Naphtho[2,1-b]furan-1-amine, 2-(4,5-dihydro-5-phenyl-1H-pyrazol-3-yl)- chemical structure, C21H17N3O, CAS 875468-31-8
Naphtho[2,1-b]furan-1-amine, 2-(4,5-dihydro-5-phenyl-1H-pyrazol-3-yl)-
CAS 875468-31-8C21H17N3O
1H-1,2,4-Triazole, 3-(4-methylphenyl)-1,5-diphenyl-, 2-oxide chemical structure, C21H17N3O, CAS 54214-62-9
1H-1,2,4-Triazole, 3-(4-methylphenyl)-1,5-diphenyl-, 2-oxide
CAS 54214-62-9C21H17N3O
Methanone, (4,5-dihydro-1,5-diphenyl-1H-1,2,3-triazol-4-yl)phenyl- chemical structure, C21H17N3O, CAS 61456-86-8
Methanone, (4,5-dihydro-1,5-diphenyl-1H-1,2,3-triazol-4-yl)phenyl-
CAS 61456-86-8C21H17N3O
(5-Amino-2-methyl-1-phenyl-1H-benzimidazol-4-yl)(phenyl)methanone chemical structure, C21H17N3O, CAS 89174-94-7
(5-Amino-2-methyl-1-phenyl-1H-benzimidazol-4-yl)(phenyl)methanone
CAS 89174-94-7C21H17N3O
N-Ethyl-N-phenylphenazine-1-carboxamide chemical structure, C21H17N3O, CAS 303016-18-4
N-Ethyl-N-phenylphenazine-1-carboxamide
CAS 303016-18-4C21H17N3O
2-(2-Phenyl-1H-indol-1-yl)-N-(pyridin-3-yl)acetamide chemical structure, C21H17N3O, CAS 1081131-35-2
2-(2-Phenyl-1H-indol-1-yl)-N-(pyridin-3-yl)acetamide
CAS 1081131-35-2C21H17N3O
6-(Diphenylmethyleneamino)-2-methoxy-4-methylpyridine-3-carbonitrile chemical structure, C21H17N3O, CAS 1817727-73-3
6-(Diphenylmethyleneamino)-2-methoxy-4-methylpyridine-3-carbonitrile
CAS 1817727-73-3C21H17N3O
2-(Diphenylmethyleneamino)-6-methoxy-4-methylpyridine-3-carbonitrile chemical structure, C21H17N3O, CAS 1817727-71-1
2-(Diphenylmethyleneamino)-6-methoxy-4-methylpyridine-3-carbonitrile
CAS 1817727-71-1C21H17N3O
Diphenyl[1-(pyridin-2-yl)-1H-imidazol-2-yl]methanol chemical structure, C21H17N3O, CAS 39242-19-8
Diphenyl[1-(pyridin-2-yl)-1H-imidazol-2-yl]methanol
CAS 39242-19-8C21H17N3O
Phenyl(1-phenyl-1H-pyrazol-5-yl)(pyridin-4-yl)methanol chemical structure, C21H17N3O, CAS 55317-56-1
Phenyl(1-phenyl-1H-pyrazol-5-yl)(pyridin-4-yl)methanol
CAS 55317-56-1C21H17N3O
(S)-4-Benzyl-2-(9H-pyrido[3,4-b]indol-1-yl)-4,5-dihydrooxazole chemical structure, C21H17N3O, CAS 2460172-78-3
(S)-4-Benzyl-2-(9H-pyrido[3,4-b]indol-1-yl)-4,5-dihydrooxazole
CAS 2460172-78-3C21H17N3O
4,5-Diphenyl-1-(phenylmethoxy)-1H-1,2,3-triazole chemical structure, C21H17N3O, CAS 56701-36-1
4,5-Diphenyl-1-(phenylmethoxy)-1H-1,2,3-triazole
CAS 56701-36-1C21H17N3O
2-Cyano-3-(2,4-dimethylphenyl)-N-(quinolin-5-yl)prop-2-enamide chemical structure, C21H17N3O, CAS 1808718-06-0
2-Cyano-3-(2,4-dimethylphenyl)-N-(quinolin-5-yl)prop-2-enamide
CAS 1808718-06-0C21H17N3O
6-Amino-1-methyl-3-naphthalen-2-yl-4-pyridin-4-ylpyridin-2-one chemical structure, C21H17N3O, CAS 629623-90-1
6-Amino-1-methyl-3-naphthalen-2-yl-4-pyridin-4-ylpyridin-2-one
CAS 629623-90-1C21H17N3O
2-(4-Phenylmethoxyphenyl)quinazolin-6-amine chemical structure, C21H17N3O, CAS 1004997-88-9
2-(4-Phenylmethoxyphenyl)quinazolin-6-amine
CAS 1004997-88-9C21H17N3O
2-(3-Methoxyphenyl)-N-pyridin-4-ylquinolin-4-amine chemical structure, C21H17N3O, CAS 1303557-09-6
2-(3-Methoxyphenyl)-N-pyridin-4-ylquinolin-4-amine
CAS 1303557-09-6C21H17N3O

Frequently asked questions

What is the molar mass of C21H17N3O?

The molar mass of C21H17N3O is 327.39 g/mol, calculated from standard atomic weights for 21 carbon atoms, 17 hydrogen atoms, 3 nitrogen atoms and 1 oxygen atom. The monoisotopic mass is 327.1372 Da.

How many compounds have the formula C21H17N3O?

CompoundList lists 129 compounds with the molecular formula C21H17N3O, including 6-Amino-3-methyl-5-(naphthalen-1-yl)-1-phenylpyridazin-4(1H)-one, 2-(2-Phenyl-1H-indol-1-yl)-N-(pyridin-4-yl)acetamide, 2-(2-Phenyl-1H-indol-1-yl)-N-(pyridin-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 C21H17N3O?

C21H17N3O has a degree of unsaturation of 15. 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.