Molecular formula
C21H21ClN2O
52 compounds have this formula on CompoundList.
- Molar mass
- 352.86g/mol
- Monoisotopic mass
- 352.1342Da
- Atoms
- 46
- Elements
- 5
- Rings plus double bonds
- 12
The formula C21H21ClN2O describes a molecule made of 21 carbon atoms, 21 hydrogen atoms, 1 chlorine atom, 2 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 × 2171.48%12.011 × 21 = 252.231 g/mol
- H Hydrogen × 216.00%1.008 × 21 = 21.168 g/mol
- Cl Chlorine × 110.05%35.45 × 1 = 35.450 g/mol
- N Nitrogen × 27.94%14.007 × 2 = 28.014 g/mol
- O Oxygen × 14.53%15.999 × 1 = 15.999 g/mol
Look up another formula
Compounds with the formula C21H21ClN2O
Isomers we list, best known first. Open one to see its structure, properties, safety data and suppliers.
Showing 1 to 52 of 52 compounds
1-(2-Chlorophenyl)-N-methyl-N-(1-methylpropyl)-3-isoquinolinecarboxamide
CAS 85532-75-8C21H21ClN2O
Vacquinol-1
CAS 5428-80-8C21H21ClN2O
Sch 37370
CAS 117796-52-8C21H21ClN2O
1-(2-Chlorophenyl)-N-methyl-N-(1-methylpropyl)-3-isoquinolinecarboxamide C-11
CAS 124236-60-8C21H21ClN2O
6-Chloro-4-phenyl-3-(piperidin-1-ylmethyl)quinolin-2(1H)-one
CAS 50494-77-4C21H21ClN2O
![2-Chloro-9-(4-methylphenyl)spiro[10aH-benzo[e]2-pyrazolino[1,5-c]1,3-oxazine-6,1'-cyclopentane] chemical structure, C21H21ClN2O, CAS 332061-13-9](/s/XTAFYBZMBMMAKI-UHFFFAOYSA-N.svg)
2-Chloro-9-(4-methylphenyl)spiro[10aH-benzo[e]2-pyrazolino[1,5-c]1,3-oxazine-6,1'-cyclopentane]
CAS 332061-13-9C21H21ClN2O
![1-(2-{[1,1'-Biphenyl]-4-yl}-2-oxoethyl)-4-(dimethylamino)pyridin-1-ium chloride chemical structure, C21H21ClN2O, CAS 1039396-82-1](/s/MRXXQWCKZGZIEB-UHFFFAOYSA-M.svg)
1-(2-{[1,1'-Biphenyl]-4-yl}-2-oxoethyl)-4-(dimethylamino)pyridin-1-ium chloride
CAS 1039396-82-1C21H21ClN2O
![11-(4-Chlorophenyl)-3,3-dimethyl-2,3,4,5,10,11-hexahydro-1H-dibenzo[b,e][1,4]diazepin-1-one chemical structure, C21H21ClN2O, CAS 372507-13-6](/s/VGFAVDUEYBMEMM-UHFFFAOYSA-N.svg)
11-(4-Chlorophenyl)-3,3-dimethyl-2,3,4,5,10,11-hexahydro-1H-dibenzo[b,e][1,4]diazepin-1-one
CAS 372507-13-6C21H21ClN2O
![N-[(2S)-Butan-2-yl]-1-(2-chlorophenyl)-N-methylisoquinoline-3-carboxamide chemical structure, C21H21ClN2O, CAS 205934-46-9](/s/RAVIZVQZGXBOQO-AWEZNQCLSA-N.svg)
N-[(2S)-Butan-2-yl]-1-(2-chlorophenyl)-N-methylisoquinoline-3-carboxamide
CAS 205934-46-9C21H21ClN2O
![N-[(2r)-Butan-2-Yl]-1-(2-chlorophenyl)-N-methylisoquinoline-3-carboxamide chemical structure, C21H21ClN2O](/s/RAVIZVQZGXBOQO-CQSZACIVSA-N.svg)
N-[(2r)-Butan-2-Yl]-1-(2-chlorophenyl)-N-methylisoquinoline-3-carboxamide
C21H21ClN2O
1-(2-Chlorophenyl)-N-(11C)methyl-N-((1R))-methylpropyl)isoquinoline-3-carboxamide
CAS 157727-22-5C21H21ClN2O
![7-[(2-Chlorophenyl)-piperidin-1-ylmethyl]quinolin-8-ol chemical structure, C21H21ClN2O, CAS 380192-89-2](/s/VZXQSGXRQFYOHQ-UHFFFAOYSA-N.svg)
7-[(2-Chlorophenyl)-piperidin-1-ylmethyl]quinolin-8-ol
CAS 380192-89-2C21H21ClN2O
![4-Chloro-N-(8-methyl-8-azabicyclo[3.2.1]oct-2-en-3-yl)-N-phenylbenzamide chemical structure, C21H21ClN2O, CAS 161808-00-0](/s/PAAJTXSXVPEGFW-UHFFFAOYSA-N.svg)
4-Chloro-N-(8-methyl-8-azabicyclo[3.2.1]oct-2-en-3-yl)-N-phenylbenzamide
CAS 161808-00-0C21H21ClN2O
Welwitindolinone A isonitrile
CAS 159934-03-9C21H21ClN2O
7-((4-Chlorophenyl)(piperidin-1-yl)methyl)quinolin-8-ol
CAS 315240-15-4C21H21ClN2O
![2-(4-Chlorophenyl)-N-[(2,3,4,9-tetrahydro-1H-carbazol-6-yl)methyl]acetamide chemical structure, C21H21ClN2O, CAS 852138-53-5](/s/KUCUVTJGJMPFED-UHFFFAOYSA-N.svg)
2-(4-Chlorophenyl)-N-[(2,3,4,9-tetrahydro-1H-carbazol-6-yl)methyl]acetamide
CAS 852138-53-5C21H21ClN2O
![5-Chloro-7-[(4-methylphenyl)(pyrrolidin-1-yl)methyl]quinolin-8-ol chemical structure, C21H21ClN2O, CAS 496013-19-5](/s/KGZAULONWRUBNJ-UHFFFAOYSA-N.svg)
5-Chloro-7-[(4-methylphenyl)(pyrrolidin-1-yl)methyl]quinolin-8-ol
CAS 496013-19-5C21H21ClN2O
![5-Chloro-7-[phenyl(piperidin-1-yl)methyl]quinolin-8-ol chemical structure, C21H21ClN2O, CAS 315698-09-0](/s/QBXLCZDIUNZZPZ-UHFFFAOYSA-N.svg)
5-Chloro-7-[phenyl(piperidin-1-yl)methyl]quinolin-8-ol
CAS 315698-09-0C21H21ClN2O
2-Chloro-N-(2-(dimethylamino)-2-(naphthalen-1-yl)ethyl)benzamide
CAS 941975-45-7C21H21ClN2O
Anhydrohapaloxindole A
CAS 109217-16-5C21H21ClN2O
(8-Chloro-2-phenylquinolin-4-yl)(piperidin-2-yl)methanol
CAS 69760-51-6C21H21ClN2O
![6-(2-Chlorophenyl)-9,9-dimethyl-6,8,10,11-tetrahydro-5H-benzo[b][1,4]benzodiazepin-7-one chemical structure, C21H21ClN2O, CAS 82408-06-8](/s/JNFHSCFXVNXKOA-UHFFFAOYSA-N.svg)
6-(2-Chlorophenyl)-9,9-dimethyl-6,8,10,11-tetrahydro-5H-benzo[b][1,4]benzodiazepin-7-one
CAS 82408-06-8C21H21ClN2O
![6-(3-Chlorophenyl)-9,9-dimethyl-6,8,10,11-tetrahydro-5H-benzo[b][1,4]benzodiazepin-7-one chemical structure, C21H21ClN2O, CAS 149774-59-4](/s/BMOALXSFLKYPSQ-UHFFFAOYSA-N.svg)
6-(3-Chlorophenyl)-9,9-dimethyl-6,8,10,11-tetrahydro-5H-benzo[b][1,4]benzodiazepin-7-one
CAS 149774-59-4C21H21ClN2O
![2-(4-Chlorophenyl)spiro[1,10b-dihydropyrazolo[1,5-c][1,3]benzoxazine-5,1'-cyclohexane] chemical structure, C21H21ClN2O, CAS 301331-11-3](/s/RTIDSCZYDHHMNK-UHFFFAOYSA-N.svg)
2-(4-Chlorophenyl)spiro[1,10b-dihydropyrazolo[1,5-c][1,3]benzoxazine-5,1'-cyclohexane]
CAS 301331-11-3C21H21ClN2O
- 1-Benzyl-4-(2-chloroquinolin-3-yl)piperidin-4-ol783368-13-8C21H21ClN2O
- Benzenemethanol, 4-amino-alpha-(4-amino-3-methylphenyl)-alpha-(2-chlorophenyl)-3-methyl-64346-28-7C21H21ClN2O
- Benzenamine, 4-(4-(2-chlorophenyl)-2-ethenyl-5-oxazolyl)-N,N-diethyl-22159-33-7C21H21ClN2O
- Benzenemethanol, 4-amino-alpha-(4-amino-2-methylphenyl)-alpha-(2-chlorophenyl)-2-methyl-65122-41-0C21H21ClN2O
- 11-(4-Chlorophenyl)-7,8-dimethyl-2,3,4,5,10,11-hexahydro-1H-dibenzo[b,e][1,4]diazepin-1-one338415-05-7C21H21ClN2O
- 3-(4-Chlorophenyl)-2-(2,6-dimethylmorpholino)quinoline339102-86-2C21H21ClN2O
- 2-(4-Chlorophenyl)-3-methyl-N-(2-methylpropyl)quinoline-4-carboxamide353789-05-6C21H21ClN2O
- [5-Chloro-2-(4-methyl-benzyloxy)-benzyl]-pyridin-3-ylmethyl-amine879069-10-0C21H21ClN2O
- (3-(4-Chlorophenyl)azepan-1-yl)(1H-indol-6-yl)methanone1798512-98-7C21H21ClN2O
- 3-Chloro-9,9-dimethyl-6-phenyl-6,8,10,11-tetrahydro-5H-benzo[b][1,4]benzodiazepin-7-one39222-68-9C21H21ClN2O
- 8-((3-Chlorobenzyl)oxy)-2-(piperidin-1-yl)quinoline921556-63-0C21H21ClN2O
- 3-Chloro-N-[2-(dimethylamino)-2-(naphthalen-1-yl)ethyl]benzamide941931-85-7C21H21ClN2O
- 4-(4-(Benzyloxy)phenyl)-3-butyl-6-chloropyridazine1331775-12-2C21H21ClN2O
- 2-(2-Chlorophenyl)-N-(4-(3,4-dihydroisoquinolin-2(1H)-yl)but-2-yn-1-yl)acetamide1351587-71-7C21H21ClN2O
- N-[(1R,2R)-1-Amino-2,3-dihydro-1H-inden-2-yl]-2-naphthalen-1-ylacetamide, hydrochloride2418594-56-4C21H21ClN2O
- 4-[5-(2-Chlorophenyl)-2-ethenyl-1,3-oxazol-4-yl]-N,N-diethylaniline7449-61-8C21H21ClN2O
- 9-[(2-Chlorophenyl)methyl]-12,13-dimethyl-2,9-diazatricyclo[8.4.0.0^{3,7}]tetradeca-1(10),2,11,13-tetraen-8-one1251675-93-0C21H21ClN2O
- N-(2,6-Dimethylphenyl)-N-hydroxy-N-phenyl-benzenecarboximidamide59387-56-3C21H21ClN2O
- N-(8-Chloro-2,3,4,9-tetrahydro-1H-carbazol-1-yl)-3-phenylpropanamide1574530-81-6C21H21ClN2O
- 4(1H)-Pyridazinone, 5-butyl-6-chloro-3-phenyl-1-(phenylmethyl)-919198-01-9C21H21ClN2O
- N-(6-Chloro-2,3,4,9-tetrahydro-1H-carbazol-1-yl)-3-phenylpropanamide1574365-03-9C21H21ClN2O
- Piperidine,4-[(4-chlorophenyl)methyl]-1-(1H-indol-5-ylcarbonyl)-251106-63-5C21H21ClN2O
- 1-(2-Chlorophenyl)-N,N-diethyl-7-methylisoquinoline-3-carboxamide89242-31-9C21H21ClN2O
- 2-({2-(4-Chlorophenyl)-2-[4-(pyridin-4-yl)phenyl]ethyl}amino)ethan-1-ol917807-65-9C21H21ClN2O
- Piperidine,4-[(3-chlorophenyl)methyl]-1-(1H-indol-5-ylcarbonyl)-251106-64-6C21H21ClN2O
- Piperidine,4-[(2-chlorophenyl)methyl]-1-(1H-indol-5-ylcarbonyl)-251106-65-7C21H21ClN2O
- 5-Chloro-N-cyclohexyl-3-phenyl-2H-isoindole-1-carboxamide61295-34-9C21H21ClN2O
- 4-(2-(Chloromethyl)-5-(3-methylquinolin-2-yl)phenyl)morpholine1401814-24-1C21H21ClN2O
Frequently asked questions
What is the molar mass of C21H21ClN2O?
The molar mass of C21H21ClN2O is 352.86 g/mol, calculated from standard atomic weights for 21 carbon atoms, 21 hydrogen atoms, 1 chlorine atom, 2 nitrogen atoms and 1 oxygen atom. The monoisotopic mass is 352.1342 Da.
How many compounds have the formula C21H21ClN2O?
CompoundList lists 52 compounds with the molecular formula C21H21ClN2O, including 1-(2-Chlorophenyl)-N-methyl-N-(1-methylpropyl)-3-isoquinolinecarboxamide, Vacquinol-1, Sch 37370. 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 C21H21ClN2O?
C21H21ClN2O has a degree of unsaturation of 12. 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.