Molecular formula
C20H21N3O
227 compounds have this formula on CompoundList.
- Molar mass
- 319.41g/mol
- Monoisotopic mass
- 319.1685Da
- Atoms
- 45
- Elements
- 4
- Rings plus double bonds
- 12
The formula C20H21N3O describes a molecule made of 20 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 × 2075.21%12.011 × 20 = 240.220 g/mol
- H Hydrogen × 216.63%1.008 × 21 = 21.168 g/mol
- N Nitrogen × 313.16%14.007 × 3 = 42.021 g/mol
- O Oxygen × 15.01%15.999 × 1 = 15.999 g/mol
Look up another formula
Compounds with the formula C20H21N3O
Isomers we list, best known first. Open one to see its structure, properties, safety data and suppliers.
Showing 101 to 200 of 227 compounds
3'-Cyano-2-(4-methylpiperazinomethyl) benzophenone
CAS 898782-84-8C20H21N3O
![N-[2-(Dimethylamino)quinolin-4-yl]-3-phenylpropanamide chemical structure, C20H21N3O, CAS 302802-25-1](/s/WNILIKMVMBYLEN-UHFFFAOYSA-N.svg)
N-[2-(Dimethylamino)quinolin-4-yl]-3-phenylpropanamide
CAS 302802-25-1C20H21N3O
N,N-Diethyl-1,3-diphenyl-1H-pyrazole-4-carboxamide
CAS 141545-34-8C20H21N3O
N,N-Diethyl-3,5-diphenyl-1H-pyrazole-1-carboxamide
CAS 478788-38-4C20H21N3O
![(1E)-4,4,6-Trimethyl-1-(2-phenylhydrazinylidene)-5,6-dihydro-4H-pyrrolo[3,2,1-ij]quinolin-2(1H)-one chemical structure, C20H21N3O, CAS 724778-71-6](/s/WOVFNWKBJAGPCD-UHFFFAOYSA-N.svg)
(1E)-4,4,6-Trimethyl-1-(2-phenylhydrazinylidene)-5,6-dihydro-4H-pyrrolo[3,2,1-ij]quinolin-2(1H)-one
CAS 724778-71-6C20H21N3O
![7,7-Dimethyl-10-phenyl-5,6,7,8,10,11-hexahydro-9H-pyrido[3,2-b][1,4]benzodiazepin-9-one chemical structure, C20H21N3O, CAS 909370-82-7](/s/QBOPFPRELHEPBI-UHFFFAOYSA-N.svg)
7,7-Dimethyl-10-phenyl-5,6,7,8,10,11-hexahydro-9H-pyrido[3,2-b][1,4]benzodiazepin-9-one
CAS 909370-82-7C20H21N3O
(E)-2-(3,4-Dihydroquinolin-1(2H)-yl)-N'-((Z)-3-phenylallylidene)acetohydrazide
CAS 681479-32-3C20H21N3O
N-(1-Ethyl-1H-indol-3-yl)-3,4-dihydroquinoline-1(2H)-carboxamide
CAS 899947-41-2C20H21N3O
2-Cyano-4'-(4-methylpiperazinomethyl) benzophenone
CAS 898783-49-8C20H21N3O
4-Cyano-4'-(4-methylpiperazinomethyl) benzophenone
CAS 898783-51-2C20H21N3O
2-Cyano-3'-(4-methylpiperazinomethyl) benzophenone
CAS 898788-42-6C20H21N3O
3-Cyano-3'-(4-methylpiperazinomethyl) benzophenone
CAS 898788-44-8C20H21N3O
4'-Cyano-3-(4-methylpiperazinomethyl) benzophenone
CAS 898788-46-0C20H21N3O
2-Cyano-2'-(4-methylpiperazinomethyl) benzophenone
CAS 898782-82-6C20H21N3O
4'-Cyano-2-(4-methylpiperazinomethyl) benzophenone
CAS 898782-86-0C20H21N3O
![2-Methoxy-5-(3-methylbutyl)indolo[2,3-b]quinoxaline chemical structure, C20H21N3O, CAS 847915-22-4](/s/VVSSUCHGEPSZDZ-UHFFFAOYSA-N.svg)
2-Methoxy-5-(3-methylbutyl)indolo[2,3-b]quinoxaline
CAS 847915-22-4C20H21N3O
![(4-(1H-Benzo[d]imidazol-2-yl)piperidin-1-yl)(m-tolyl)methanone chemical structure, C20H21N3O, CAS 605627-89-2](/s/XQERJHCGJVKPPO-UHFFFAOYSA-N.svg)
(4-(1H-Benzo[d]imidazol-2-yl)piperidin-1-yl)(m-tolyl)methanone
CAS 605627-89-2C20H21N3O
N-(3-Methylbutyl)-2-(pyridin-4-yl)quinoline-4-carboxamide
CAS 689241-79-0C20H21N3O
1-Methylindol-2-yl 4-phenylpiperazinyl ketone
CAS 737792-90-4C20H21N3O
![(2E)-2-Cyano-3-[4-(dimethylamino)phenyl]-N-(1-phenylethyl)prop-2-enamide chemical structure, C20H21N3O, CAS 324567-40-0](/s/TVMSPDJUGJVUIH-QGOAFFKASA-N.svg)
(2E)-2-Cyano-3-[4-(dimethylamino)phenyl]-N-(1-phenylethyl)prop-2-enamide
CAS 324567-40-0C20H21N3O
![Acetamide, N-[8-(4-cyano-1-naphthalenyl)-8-azabicyclo[3.2.1]oct-3-yl]- chemical structure, C20H21N3O, CAS 870890-29-2](/s/KTMFHLJBTSHVKQ-UHFFFAOYSA-N.svg)
Acetamide, N-[8-(4-cyano-1-naphthalenyl)-8-azabicyclo[3.2.1]oct-3-yl]-
CAS 870890-29-2C20H21N3O
![(4-(1H-Benzo[d]imidazol-2-yl)piperidin-1-yl)(p-tolyl)methanone chemical structure, C20H21N3O, CAS 887883-90-1](/s/XJHLSZKLIKNGSK-UHFFFAOYSA-N.svg)
(4-(1H-Benzo[d]imidazol-2-yl)piperidin-1-yl)(p-tolyl)methanone
CAS 887883-90-1C20H21N3O
![2-[1-(2-Methylbenzoyl)piperidin-3-yl]-1H-1,3-benzodiazole chemical structure, C20H21N3O, CAS 931015-18-8](/s/PQLLSPOROWNXQF-UHFFFAOYSA-N.svg)
2-[1-(2-Methylbenzoyl)piperidin-3-yl]-1H-1,3-benzodiazole
CAS 931015-18-8C20H21N3O
![2-Phenyl-N-[(4-phenyl-1H-imidazol-2-yl)methyl]butanamide chemical structure, C20H21N3O, CAS 1421472-77-6](/s/PWGZVNILWZBMCM-UHFFFAOYSA-N.svg)
2-Phenyl-N-[(4-phenyl-1H-imidazol-2-yl)methyl]butanamide
CAS 1421472-77-6C20H21N3O
- 2-Amino-6-phenyl-5-(4-phenylbutyl)pyrimidin-4(1H)-one2211-03-2C20H21N3O
- 2-Indol-1-yl-1-(4-phenylpiperazin-1-yl)ethanone737807-86-2C20H21N3O
- 4-(3,5-Dimethylpyrazol-1-yl)-N-(1-phenylethyl)benzamide879413-70-4C20H21N3O
- 3-(4-Ethylphenyl)-2-pyrrolidin-1-ylquinazolin-4-one902482-01-3C20H21N3O
- 4-[5-(4-Aminonaphthyl)pyridin-2-ylmethyl]morpholine294851-99-3C20H21N3O
- 4-Benzyl-1-(2-oxazol-2-ylphenyl)piperazine178672-07-6C20H21N3O
- Isomer-cilansetron120635-77-0C20H21N3O
- 2,6-Dimethyl-4-(4-phenylquinazolin-2-yl)morpholine899972-41-9C20H21N3O
- N-(1-Ethyl-1H-indol-3-yl)-2-methylindoline-1-carboxamide941902-13-2C20H21N3O
- N,N,4-trimethyl-alpha,3-diphenylpyrazole-1-acetamide59844-75-6C20H21N3O
- N-(2-Methoxy-5-methylphenyl)-2-methyl-6-(3-methylphenyl)pyrimidin-4-amine1019132-74-1C20H21N3O
- 4-Ethyl-N-[2-(1-phenyl-1H-pyrazol-4-yl)ethyl]benzamide1019067-52-7C20H21N3O
- (4-Benzyl-1-piperidyl)(6-indazolyl)methanone1029779-60-9C20H21N3O
- N-[2-(Pyridin-2-yl)ethyl]-2,3,4,9-tetrahydro-1H-carbazole-6-carboxamide1325939-85-2C20H21N3O
- 4-(1-(3-Amino-4-methylbenzoyl)piperidin-4-yl)benzonitrile1027354-76-2C20H21N3O
- 2-Methyl-N-(3-(2-phenyl-1H-imidazol-1-yl)propyl)benzamide1421517-53-4C20H21N3O
- N-[(1-Phenylpyrrolidin-2-yl)methyl]-1H-indole-3-carboxamide1797349-25-7C20H21N3O
- 4-(3-Methoxyphenyl)-6-[4-(propan-2-yl)phenyl]pyrimidin-2-amine1354938-67-2C20H21N3O
- 4-((5,6-Diphenylpyrazin-2-yl)amino)butan-1-ol2514706-51-3C20H21N3O
- 2-[(5,6-Dimethylpyrido[4,3-b]carbazol-11-yl)methylamino]ethanol89651-49-0C20H21N3O
- N'-Spiro[4H-isoquinoline-3,1'-cyclopentane]-1-ylbenzohydrazide414898-20-7C20H21N3O
- N-(1-Cyclohexylbenzimidazol-5-yl)benzamide487026-26-6C20H21N3O
- 4-[Phenyl(piperidin-1-yl)methyl]-2H-phthalazin-1-one416887-37-1C20H21N3O
- 3-(1-Benzyl-piperidin-4-yl)-3-H-quinazolin-4-one65948-05-2C20H21N3O
- 5-(4-Benzylpiperidine-1-carbonyl)-1H-1,3-benzodiazole251106-41-9C20H21N3O
- N-(1-Ethyl-1H-indol-3-yl)-3,4-dihydroisoquinoline-2(1H)-carboxamide899753-76-5C20H21N3O
- 2-[1-(4-Methylbenzoyl)piperidin-3-yl]-1H-1,3-benzodiazole950084-08-9C20H21N3O
- 5H-Pyrrolo[1,2-a]imidazole,6,7-dihydro-2-[4-(1-methylethoxy)phenyl]-3-(4-pyridinyl)-122454-60-8C20H21N3O
- 5H-Pyrrolo[1,2-a]imidazole,6,7-dihydro-2-(4-propoxyphenyl)-3-(4-pyridinyl)-122454-59-5C20H21N3O
- N-[4-(Cyanomethyl)phenyl]-4-(piperidin-1-yl)benzamide931892-49-8C20H21N3O
- 6-{[4-(Pyridin-2-yl)piperazin-1-yl]methyl}naphthalen-1-ol61187-15-3C20H21N3O
- 2-({[1,1'-Biphenyl]-2-yl}amino)-N-(1-cyanocyclopentyl)acetamide1197571-80-4C20H21N3O
- N-[(1,3-Dimethyl-1H-pyrazol-4-yl)methyl]-2,2-diphenylacetamide1169958-39-7C20H21N3O
- N-[(1,3-Diphenylpyrazol-4-yl)methyl]-N-methylpropanamide1171588-98-9C20H21N3O
- (1-Methyl-1H-indol-5-yl)(4-phenylpiperazin-1-yl)methanone1190260-89-9C20H21N3O
- N-((1-Methyl-4,5,6,7-tetrahydro-1H-indazol-3-yl)methyl)-1-naphthamide1448130-89-9C20H21N3O
- (1H-Benzo[d]imidazol-5-yl)(3-phenylazepan-1-yl)methanone1705085-04-6C20H21N3O
- 2-(Naphthalen-1-yl)-N-((4,5,6,7-tetrahydropyrazolo[1,5-a]pyridin-3-yl)methyl)acetamide2034336-69-9C20H21N3O
- N-((2-Methyl-2,4,5,6-tetrahydrocyclopenta[c]pyrazol-3-yl)methyl)-2-(naphthalen-1-yl)acetamide2034552-35-5C20H21N3O
- 3-Phenyl-N-(2-(4-phenyl-1H-pyrazol-1-yl)ethyl)propanamide2034291-57-9C20H21N3O
- N-[(5-Cyclopropylpyridin-3-yl)methyl]-2-(1-methyl-1H-indol-3-yl)acetamide2034569-62-3C20H21N3O
- 6-[[[6-(4-Piperidinyl)-2-pyridinyl]oxy]methyl]isoquinoline2765597-40-6C20H21N3O
- 1,7b,10-Triazabenzo(5,6)cyclohepta(1,2,3-jk)fluoren-5-ol,1,2,3,8,13,13a-hexahydro-1,8-dimethyl-79034-10-9C20H21N3O
- N-Phenyl-2-(1,2,3,4-tetrahydronaphthalen-1-yl)-4,5-dihydro-1H-imidazole-1-carboxamide51026-14-3C20H21N3O
- 2,5,8,8-Tetramethyl-3-phenyl-7,9-dihydropyrazolo[1,5-a]quinazolin-6-one777867-71-7C20H21N3O
- 6-[4-[(3-Aminocyclopentyl)oxy]-1-naphthalenyl]-2-pyridinamine310431-31-3C20H21N3O
- N-(6-Methyl-2,3,4,9-tetrahydro-1H-carbazol-1-yl)-N'-phenylurea827590-96-5C20H21N3O
- Phenol, 4-[4-[4-(1H-pyrazol-4-yl)phenyl]-4-piperidinyl]-857531-75-0C20H21N3O
- 7-Benzyloxy-2-methyl-4-pyrrolidin-1-yl-quinazoline646450-52-4C20H21N3O
- 3-(2-Methylphenyl)-2-[(pyrrolidin-1-yl)methyl]quinazolin-4(3H)-one61554-58-3C20H21N3O
- 1-[2-(1H-Benzimidazol-2-yl)pyrrolidin-1-yl]-3-phenylpropan-1-one919729-08-1C20H21N3O
- N-(1H-Indol-4-ylmethyl)-5-methoxy-1H-indole-3-ethanamine467455-10-3C20H21N3O
- 2-(3,5-Diphenyl-1H-pyrazol-1-yl)-N,N-dimethylpropanamide59843-46-8C20H21N3O
- 2-(3,4-Diphenyl-1H-pyrazol-1-yl)-N,N-dimethylpropanamide59843-41-3C20H21N3O
- N-Methyl-2-(4-methyl-3-phenylpyrazol-1-yl)-N-phenylpropanamide59844-55-2C20H21N3O
- 2-(4,5-Diphenyl-1H-pyrazol-1-yl)-N,N-dimethylpropanamide59843-42-4C20H21N3O
- Ketone,indol-5-yl (4-phenyl-1-piperazinyl)methyl20996-72-9C20H21N3O
- 2-{4-[(Naphthalen-2-yl)methyl]piperazin-1-yl}pyridin-3-ol61187-12-0C20H21N3O
- N-(1-Benzyl-4-cyanopiperidin-4-yl)benzamide151097-03-9C20H21N3O
- (1-Benzyl-1H-indol-2-yl)(piperazin-1-yl)methanone1081121-00-7C20H21N3O
- (1-Methyl-1H-indol-3-yl)(4-phenylpiperazin-1-yl)methanone1219546-01-6C20H21N3O
- (E)-2-Cyano-3-(1-cyclopropyl-2,5-dimethylpyrrol-3-yl)-N-(3-methylphenyl)prop-2-enamide1424755-61-2C20H21N3O
- 2-[1-(2-Methylbenzoyl)piperidin-4-yl]-1H-1,3-benzodiazole1324184-33-9C20H21N3O
- (1-Methyl-1H-indol-4-yl)(4-phenylpiperazin-1-yl)methanone1190265-78-1C20H21N3O
- 4-[1-(5-Amino-2-methyl-benzoyl)-4-piperidyl]benzonitrile1034469-96-9C20H21N3O
- Methyl 4-[(1-phenyl-5,6,7,8-tetrahydroimidazo[1,5-a]pyrazin-3-yl)methyl]phenyl ether1353505-17-5C20H21N3O
- 3-Morpholino-6-o-tolylquinolin-2-amine1319196-48-9C20H21N3O
- N-Cyclopropyl-N-(imidazo[1,2-a]pyridin-3-ylmethyl)-2-(m-tolyl)acetamide1448130-21-9C20H21N3O
- N-[(1-Phenylpyrrolidin-2-yl)methyl]-1H-indole-5-carboxamide1705197-22-3C20H21N3O
- 4-(4-Amino-2-methoxyphenyl)-N-benzyl-N-methylpyridin-2-amine1644250-33-8C20H21N3O
- 3-(6-(Piperidin-4-ylmethyl)pyridazin-3-yl)naphthalen-2-ol1562335-54-9C20H21N3O
- 4-[4-(4-Methylphenyl)-1-phenyl-1H-pyrazol-3-yl]morpholine2319875-39-1C20H21N3O
- 1-Methyl-4-[[2-[(2-phenylphenoxy)methyl]aziridin-1-yl]methyl]pyrazole2418714-91-5C20H21N3O
- 1-[4-[[1-(Cyclopropylmethyl)aziridin-2-yl]methoxy]phenyl]benzimidazole2418719-96-5C20H21N3O
- 2-Cyano-3-[2,5-dimethyl-1-(4-methylphenyl)-1H-pyrrol-3-yl]-N-(prop-2-en-1-yl)prop-2-enamide728898-48-4C20H21N3O
- Bicyclo[2.2.1]heptane-2-carboxamide, N-[4-(2-phenyldiazenyl)phenyl]-1025205-32-6C20H21N3O
Frequently asked questions
What is the molar mass of C20H21N3O?
The molar mass of C20H21N3O is 319.41 g/mol, calculated from standard atomic weights for 20 carbon atoms, 21 hydrogen atoms, 3 nitrogen atoms and 1 oxygen atom. The monoisotopic mass is 319.1685 Da.
How many compounds have the formula C20H21N3O?
CompoundList lists 227 compounds with the molecular formula C20H21N3O, including 3'-Cyano-2-(4-methylpiperazinomethyl) benzophenone, N-[2-(Dimethylamino)quinolin-4-yl]-3-phenylpropanamide, N,N-Diethyl-1,3-diphenyl-1H-pyrazole-4-carboxamide. 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 C20H21N3O?
C20H21N3O 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.