Molecular formula
C21H20N4O2
249 compounds have this formula on CompoundList.
- Molar mass
- 360.42g/mol
- Monoisotopic mass
- 360.1586Da
- Atoms
- 47
- Elements
- 4
- Rings plus double bonds
- 14
The formula C21H20N4O2 describes a molecule made of 21 carbon atoms, 20 hydrogen atoms, 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 × 2169.98%12.011 × 21 = 252.231 g/mol
- H Hydrogen × 205.59%1.008 × 20 = 20.160 g/mol
- N Nitrogen × 415.55%14.007 × 4 = 56.028 g/mol
- O Oxygen × 28.88%15.999 × 2 = 31.998 g/mol
Look up another formula
Compounds with the formula C21H20N4O2
Isomers we list, best known first. Open one to see its structure, properties, safety data and suppliers.
Showing 1 to 100 of 249 compounds
Bmh-21
CAS 896705-16-1C21H20N4O2
RP-101075
CAS 1306760-73-5C21H20N4O2
![5-(2,6-Dimethylmorpholin-4-yl)quinazolino[2,3-a]phthalazin-8-one chemical structure, C21H20N4O2, CAS 315683-22-8](/s/KPZCIDHEBHRVNK-UHFFFAOYSA-N.svg)
5-(2,6-Dimethylmorpholin-4-yl)quinazolino[2,3-a]phthalazin-8-one
CAS 315683-22-8C21H20N4O2
3-(3-Imidazol-1-ylpropyl)-2-(4-methoxyphenyl)quinazolin-4-one
CAS 342596-37-6C21H20N4O2
(E)-3-(3-Ethoxyphenyl)-N'-((E)-3-phenylallylidene)-1H-pyrazole-5-carbohydrazide
CAS 306749-74-6C21H20N4O2
![1-{7-[2-(Benzyloxy)phenyl]-5-methyl-4,7-dihydro[1,2,4]triazolo[1,5-a]pyrimidin-6-yl}ethanone chemical structure, C21H20N4O2, CAS 500148-91-4](/s/WEFIGTVIYCQERC-UHFFFAOYSA-N.svg)
1-{7-[2-(Benzyloxy)phenyl]-5-methyl-4,7-dihydro[1,2,4]triazolo[1,5-a]pyrimidin-6-yl}ethanone
CAS 500148-91-4C21H20N4O2
![1,3-Dimethyl-5-(4-methylphenyl)-6-(pyridin-3-ylmethyl)pyrrolo[3,4-d]pyrimidine-2,4-dione chemical structure, C21H20N4O2, CAS 5282-60-0](/s/CXNXKSCFJKQGJK-UHFFFAOYSA-N.svg)
1,3-Dimethyl-5-(4-methylphenyl)-6-(pyridin-3-ylmethyl)pyrrolo[3,4-d]pyrimidine-2,4-dione
CAS 5282-60-0C21H20N4O2
2-(4-Methoxyphenyl)-5-(4-phenylpiperazin-1-yl)-1,3-oxazole-4-carbonitrile
CAS 613651-42-6C21H20N4O2
2-Methyl-5-oxo-N,4-DI(2-pyridinyl)-1,4,5,6,7,8-hexahydro-3-quinolinecarboxamide
CAS 476482-94-7C21H20N4O2
N-(4-(2-(Phenylamino)pyridin-4-yl)pyridin-2-yl)-tetrahydrofuran-3-carboxamide
CAS 712268-58-1C21H20N4O2
![Ethyl 2-amino-1-(2,3-dimethylphenyl)-1H-pyrrolo[2,3-b]quinoxaline-3-carboxylate chemical structure, C21H20N4O2, CAS 326924-87-2](/s/ZEJUQIGKQALHRU-UHFFFAOYSA-N.svg)
Ethyl 2-amino-1-(2,3-dimethylphenyl)-1H-pyrrolo[2,3-b]quinoxaline-3-carboxylate
CAS 326924-87-2C21H20N4O2
![Ethyl 2-amino-1-(3,5-dimethylphenyl)-1H-pyrrolo[2,3-b]quinoxaline-3-carboxylate chemical structure, C21H20N4O2, CAS 383895-24-7](/s/ZJCOTMJVUJNNPA-UHFFFAOYSA-N.svg)
Ethyl 2-amino-1-(3,5-dimethylphenyl)-1H-pyrrolo[2,3-b]quinoxaline-3-carboxylate
CAS 383895-24-7C21H20N4O2
![Ethyl 2-amino-1-(3,4-dimethylphenyl)-1H-pyrrolo[2,3-b]quinoxaline-3-carboxylate chemical structure, C21H20N4O2, CAS 328039-60-7](/s/VCXCSKMPMKKGOC-UHFFFAOYSA-N.svg)
Ethyl 2-amino-1-(3,4-dimethylphenyl)-1H-pyrrolo[2,3-b]quinoxaline-3-carboxylate
CAS 328039-60-7C21H20N4O2
![N-(1,8-Dimethylpyrazolo[3,4-b]quinolin-3-yl)-2-(4-methoxyphenyl)acetamide chemical structure, C21H20N4O2, CAS 714232-12-9](/s/KSODQWBNOCORLN-UHFFFAOYSA-N.svg)
N-(1,8-Dimethylpyrazolo[3,4-b]quinolin-3-yl)-2-(4-methoxyphenyl)acetamide
CAS 714232-12-9C21H20N4O2
2-Amino-4-(3,4-dimethoxyphenyl)-4a,5,6,7-tetrahydronaphthalene-1,3,3(4H)-tricarbonitrile
CAS 299198-81-5C21H20N4O2
![Ethyl 2-amino-1-(2-phenylethyl)-1H-pyrrolo[2,3-b]quinoxaline-3-carboxylate chemical structure, C21H20N4O2, CAS 293325-04-9](/s/FPZIMMHJDZAZPY-UHFFFAOYSA-N.svg)
Ethyl 2-amino-1-(2-phenylethyl)-1H-pyrrolo[2,3-b]quinoxaline-3-carboxylate
CAS 293325-04-9C21H20N4O2
![2-Methoxy-4-(2-phenethyl[1,2,4]triazolo[1,5-a]pyrimidin-7-yl)phenyl methyl ether chemical structure, C21H20N4O2, CAS 1435976-18-3](/s/XCIFNGCKYLMGBB-UHFFFAOYSA-N.svg)
2-Methoxy-4-(2-phenethyl[1,2,4]triazolo[1,5-a]pyrimidin-7-yl)phenyl methyl ether
CAS 1435976-18-3C21H20N4O2
![2-(4-Methoxyphenethyl)-7-(3-methoxyphenyl)[1,2,4]triazolo[1,5-a]pyrimidine chemical structure, C21H20N4O2, CAS 1435977-02-8](/s/LXCOETCFSTXVSH-UHFFFAOYSA-N.svg)
2-(4-Methoxyphenethyl)-7-(3-methoxyphenyl)[1,2,4]triazolo[1,5-a]pyrimidine
CAS 1435977-02-8C21H20N4O2
![2-(3,4-Dimethoxyphenethyl)-7-phenyl[1,2,4]triazolo[1,5-a]pyrimidine chemical structure, C21H20N4O2, CAS 1435999-47-5](/s/XTWLQZYNFLNFRZ-UHFFFAOYSA-N.svg)
2-(3,4-Dimethoxyphenethyl)-7-phenyl[1,2,4]triazolo[1,5-a]pyrimidine
CAS 1435999-47-5C21H20N4O2
![2-(4-Methoxyphenethyl)-7-(4-methoxyphenyl)[1,2,4]triazolo[1,5-a]pyrimidine chemical structure, C21H20N4O2, CAS 1435979-13-7](/s/RDRMXTNRCWEVNX-UHFFFAOYSA-N.svg)
2-(4-Methoxyphenethyl)-7-(4-methoxyphenyl)[1,2,4]triazolo[1,5-a]pyrimidine
CAS 1435979-13-7C21H20N4O2
![6-(3,5-Dimethyl-1,2-oxazol-4-yl)-1-[[4-(oxiran-2-yl)phenyl]methyl]benzimidazol-4-amine chemical structure, C21H20N4O2, CAS 1952264-36-6](/s/XINQCOMOQIYWTG-UHFFFAOYSA-N.svg)
6-(3,5-Dimethyl-1,2-oxazol-4-yl)-1-[[4-(oxiran-2-yl)phenyl]methyl]benzimidazol-4-amine
CAS 1952264-36-6C21H20N4O2
N-(1-Ethyl-2-oxoindolin-5-yl)-1-methyl-3-phenyl-1H-pyrazole-5-carboxamide
CAS 1286726-12-2C21H20N4O2
1-(2-(Pyridin-4-yl)quinoline-4-carbonyl)piperidine-4-carboxamide
CAS 879920-08-8C21H20N4O2
![N-Isopropyl-3-oxo-2-(p-tolyl)-3,5-dihydro-2H-pyrazolo[4,3-c]quinoline-8-carboxamide chemical structure, C21H20N4O2, CAS 1251611-56-9](/s/NKMHOSAUDDHJMO-UHFFFAOYSA-N.svg)
N-Isopropyl-3-oxo-2-(p-tolyl)-3,5-dihydro-2H-pyrazolo[4,3-c]quinoline-8-carboxamide
CAS 1251611-56-9C21H20N4O2
- 5-(2,3-Dihydro-1H-inden-5-yl)-1-(3,5-dimethylphenyl)-1H,3aH,4H,5H,6H,6aH-pyrrolo[3,4-d][1,2,3]triazole-4,6-dione1170443-47-6C21H20N4O2
- 2-[4-(4-Phenoxybenzoyl)piperazin-1-yl]pyrimidine380211-05-2C21H20N4O2
- 2-(4-Methoxyphenyl)-1-((tetrahydrofuran-2-yl)methyl)-1H-imidazo[4,5-b]quinoxaline848747-13-7C21H20N4O2
- 10-(3',5'-Dimethylphenyl)-3-methylflavin119237-63-7C21H20N4O2
- 3-{2-Methoxy-6-[2-(4-methoxy-phenyl)-ethylamino]-pyrimidin-4-yl}-benzonitrile885067-03-8C21H20N4O2
- 2-[7-(Diethylamino)-2-imino-chromen-3-yl]quinazolin-4-ol52532-93-1C21H20N4O2
- 3-(4-(Pyrrolidin-1-yl)benzoylamino)-5-(pyridin-4-yl)-(1H)-pyridin-2-one893435-40-0C21H20N4O2
- Lepidine C220434-00-4C21H20N4O2
- 2-(3-(2-((1H-Imidazol-2-yl)methyl)-6-methoxyphenoxy)benzyl)-1H-imidazole100108-65-4C21H20N4O2
- Indolyl-3-acetic acid (1-phenyl-2,3-dimethyl-5-oxo-4-pyrazolyl) amide53995-76-9C21H20N4O2
- 6-Amino-4-(4-methoxynaphthalen-1-yl)-3-propyl-2,4-dihydropyrano[2,3-c]pyrazole-5-carbonitrile371928-16-4C21H20N4O2
- (E)-N'-((E)-3-(2-Methoxyphenyl)allylidene)-3-(p-tolyl)-1H-pyrazole-5-carbohydrazide1048929-83-4C21H20N4O2
- 6-(Furan-2-yl)-2-methyl-9-(4-methylphenyl)-5,6,7,9-tetrahydro[1,2,4]triazolo[5,1-b]quinazolin-8(4H)-one876668-19-8C21H20N4O2
- 1H-Indolo(3,2-c)quinoline-1,4(11H)-dione, 6-methyl-2-(4-methyl-1-piperazinyl)-138580-48-0C21H20N4O2
- (E)-N'-(4-(Benzyloxy)benzylidene)-3-cyclopropyl-1H-pyrazole-5-carbohydrazide1284275-91-7C21H20N4O2
- 1-[1-(Imidazo[1,2-A]pyridin-5-Yl)-7-(Morpholin-4-Yl)indolizin-3-Yl]ethanone1947372-67-9C21H20N4O2
- 4-(2-(2,4-Dimethylphenyl)diazenyl)-6-(2-(2-methylphenyl)diazenyl)-1,3-benzenediol68213-95-6C21H20N4O2
- 4,4'-Methylenebis(3-methyl-1-phenyl-1H-pyrazol-5(4H)-one)7149-40-8C21H20N4O2
- 2-(Methoxymethyl)-1-(2-{5-[(E)-2-phenylethenyl]-1,2,4-oxadiazol-3-yl}ethyl)-1H-1,3-benzodiazole1105233-16-6C21H20N4O2
- N-Ethyl-N-(p-((p-nitrophenyl)azo)phenyl)benzylamine3025-78-3C21H20N4O2
- N-(3,5-Dimethylphenyl)-1,9-dimethyl-4-oxo-1,4-dihydropyrido[1,2-a]pyrrolo[2,3-d]pyrimidine-2-carboxamide724739-58-6C21H20N4O2
- 3-(2-Methoxyphenyl)-N-(4-methoxyphenyl)-5-methylpyrazolo[1,5-a]pyrimidin-7-amine890621-50-8C21H20N4O2
- (E)-N'-(2-(Benzyloxy)benzylidene)-3-cyclopropyl-1H-pyrazole-5-carbohydrazide1285602-82-5C21H20N4O2
- N-(3-Acetylphenyl)-5-cyclopropyl-1-(4-methylphenyl)-1H-1,2,3-triazole-4-carboxamide954297-36-0C21H20N4O2
- 1-(3-(4-Ethoxyphenyl)-5-(quinoxalin-6-yl)-4,5-dihydro-1H-pyrazol-1-yl)ethanone1010931-75-5C21H20N4O2
- Ethyl 7-(2-methylphenyl)-5-phenyl-4,7-dihydro[1,2,4]triazolo[1,5-a]pyrimidine-6-carboxylate727407-33-2C21H20N4O2
- 1,9-Dimethyl-4-oxo-N-(2-phenylethyl)-1,4-dihydropyrido[1,2-a]pyrrolo[2,3-d]pyrimidine-2-carboxamide864855-16-3C21H20N4O2
- 2-Amino-4-(3,5-dimethyl-1-phenylpyrazol-4-yl)-5-oxo-4,6,7,8-tetrahydrochromene-3-carbonitrile492425-24-8C21H20N4O2
- 2-Amino-4-(2,3-dimethoxyphenyl)-4a,5,6,7-tetrahydro-4H-naphthalene-1,1,3-tricarbonitrile362590-74-7C21H20N4O2
- Ethyl 7-(3-methylphenyl)-5-phenyl-4,7-dihydro[1,2,4]triazolo[1,5-a]pyrimidine-6-carboxylate727407-29-6C21H20N4O2
- 1-Benzyl-4-oxo-N-propyl-1,4-dihydropyrido[1,2-a]pyrrolo[2,3-d]pyrimidine-2-carboxamide902024-45-7C21H20N4O2
- N,N''-(2-Methyl-1,3-phenylene)bis[N'-phenylurea]149358-54-3C21H20N4O2
- 1,3-Benzenediol, 4-[2-(2,5-dimethylphenyl)diazenyl]-2-[2-(2-methylphenyl)diazenyl]-68213-96-7C21H20N4O2
- 3-(5-Amino-4-benzoyl-pyrazol-1-yl)-N-cyclopropyl-4-methylbenzamide836682-64-5C21H20N4O2
- (4R,4aR)-2-Amino-4-(2,3-dimethoxyphenyl)-4a,5,6,7-tetrahydronaphthalene-1,3,3(4H)-tricarbonitrile302589-58-8C21H20N4O2
- 2-(2-Methoxyphenyl)-N-(4-methoxyphenyl)-5-methylpyrazolo[1,5-a]pyrimidin-7-amine933021-00-2C21H20N4O2
- 5H-Pyrrolo3,2-dpyrimidin-2-amine, 4-(phenylmethoxy)-5-(phenylmethoxy)methyl-299916-98-6C21H20N4O2
- 1-(3-(4-Methoxyphenyl)-5-(quinoxalin-6-yl)-4,5-dihydro-1H-pyrazol-1-yl)propan-1-one1010909-80-4C21H20N4O2
- 3-(8-Methyl-4-oxo-4,5-dihydro-3H-pyrimido[5,4-b]indol-3-yl)-N-(3-methylphenyl)propanamide1105212-33-6C21H20N4O2
- 2-(3-(5-Methyl-1,3,4-oxadiazol-2-yl)-1H-indol-1-yl)-N-phenethylacetamide1021037-69-3C21H20N4O2
- 3-(3,4-Dimethylphenyl)-5-{[5-(3,4-dimethylphenyl)-1,3,4-oxadiazol-2-yl]methyl}-1,2,4-oxadiazole1251687-46-3C21H20N4O2
- N-(Cyclopropylmethyl)-2-(4-(pyridin-2-ylamino)phenoxy)nicotinamide1231924-36-9C21H20N4O2
- 3-Cyclopropyl-1-(2-(indolin-1-yl)-2-oxoethyl)-4-phenyl-1H-1,2,4-triazol-5(4H)-one1396706-78-7C21H20N4O2
- 4-(1H-1,2,3-Triazol-1-yl)-1-(9H-xanthene-9-carbonyl)piperidine1795361-14-6C21H20N4O2
- N-Boc-3-(1H-pyrrolo[2,3-c]pyridin-1-yl)isoquinolin-5-amine1841079-87-5C21H20N4O2
- N'-[(1E)-4,4,6,8-Tetramethyl-2-oxo-4H-pyrrolo[3,2,1-ij]quinolin-1(2H)-ylidene]pyridine-4-carbohydrazide724780-15-8C21H20N4O2
- 1-Benzyl-N-isopropyl-4-oxo-1,4-dihydropyrido[1,2-a]pyrrolo[2,3-d]pyrimidine-2-carboxamide900268-03-3C21H20N4O2
- 2-Methyl-5-oxo-4-pyridin-2-yl-N-pyridin-3-yl-4,6,7,8-tetrahydro-1H-quinoline-3-carboxamide690992-28-0C21H20N4O2
- 1H-Indole-2-carboxamide, 3-(2-hydrazinoethoxy)-N-1-naphthalenyl-57037-18-0C21H20N4O2
- 1H-Indole-2-carboxamide, 3-(2-hydrazinoethoxy)-N-2-naphthalenyl-57037-19-1C21H20N4O2
- Benzimidazole, 2-((p-methoxyphenoxy)methyl)-1-((2-pyridylamino)methyl)-84138-34-1C21H20N4O2
- Benzimidazole, 2-((p-methoxyphenoxy)methyl)-1-((4-pyridylamino)methyl)-84138-36-3C21H20N4O2
- N-(2-((3-Cyano-6-methylquinolin-2-yl)amino)ethyl)-2-methoxybenzamide606105-50-4C21H20N4O2
- 6-Amino-4-(2-methoxynaphthalen-1-yl)-3-propyl-2,4-dihydropyrano[2,3-c]pyrazole-5-carbonitrile340812-56-8C21H20N4O2
- N'-[(1E)-4,4,6,8-Tetramethyl-2-oxo-4H-pyrrolo[3,2,1-ij]quinolin-1(2H)-ylidene]pyridine-3-carbohydrazide724778-78-3C21H20N4O2
- Ethyl 7-(4-methylphenyl)-5-phenyl-4,7-dihydro[1,2,4]triazolo[1,5-a]pyrimidine-6-carboxylate722462-65-9C21H20N4O2
- 3-(2-Methoxyphenyl)-N-(3-methoxyphenyl)-5-methylpyrazolo[1,5-a]pyrimidin-7-amine903210-25-3C21H20N4O2
- 1-Benzyl-N,N,9-trimethyl-4-oxo-1,4-dihydropyrido[1,2-a]pyrrolo[2,3-d]pyrimidine-2-carboxamide900886-24-0C21H20N4O2
- 6-Ethyl-5-[(4-methoxyphenyl)methyl]-1-phenylpyrazolo[3,4-d]pyrimidin-4-one885192-80-3C21H20N4O2
- N-[2-(1H-Indol-3-yl)ethyl]-2-(3-methyl-4-oxo-3,4-dihydrophthalazin-1-yl)acetamide931033-27-1C21H20N4O2
- N-(2,5-Dimethylphenyl)-2-[2-(5-methyl-1,3,4-oxadiazol-2-yl)-1H-indol-1-yl]acetamide923216-15-3C21H20N4O2
- N-(3,5-Dimethylphenyl)-2-[2-(5-methyl-1,3,4-oxadiazol-2-yl)-1H-indol-1-yl]acetamide923164-70-9C21H20N4O2
- 2-(2-Methoxyphenyl)-N-(3-methoxyphenyl)-5-methylpyrazolo[1,5-a]pyrimidin-7-amine933251-28-6C21H20N4O2
- 3-Cyclopropyl-N-(3-acetamidophenyl)-1-phenyl-1H-pyrazole-5-carboxamide1171740-36-5C21H20N4O2
- 1-(4-{[2-(Pyridin-3-yl)quinolin-4-yl]carbonyl}piperazin-1-yl)ethanone1144484-28-5C21H20N4O2
- 2-[2-(5-Ethyl-1,3,4-oxadiazol-2-yl)-1H-indol-1-yl]-N-(2-methylphenyl)acetamide946380-98-9C21H20N4O2
- N-Phenyl-2-[2-(5-propyl-1,3,4-oxadiazol-2-yl)-1H-indol-1-yl]acetamide946257-03-0C21H20N4O2
- 1-(3-(3-Methoxyphenyl)-5-(quinoxalin-6-yl)-4,5-dihydro-1H-pyrazol-1-yl)propan-1-one946378-84-3C21H20N4O2
- 2-{3-[(2-Methoxyphenyl)carbonyl]-3,6-diazabicyclo[3.2.0]hept-6-yl}quinoxaline1295517-34-8C21H20N4O2
- (2-Phenylmorpholino)[3-(2-pyrimidinylamino)phenyl]methanone1435976-91-2C21H20N4O2
- 2-((1-(2-(1H-Indol-1-yl)acetyl)piperidin-4-yl)oxy)nicotinonitrile1796970-16-5C21H20N4O2
- 2-((1-(2-(1H-Indol-3-yl)acetyl)piperidin-4-yl)oxy)nicotinonitrile1797224-84-0C21H20N4O2
- N-(2-Methyl-1H-benzimidazol-6-yl)-1-oxo-2-(propan-2-yl)-1,2-dihydroisoquinoline-4-carboxamide1630861-85-6C21H20N4O2
- Propyl 2-amino-1-(4-methylphenyl)pyrrolo[3,2-b]quinoxaline-3-carboxylate848764-73-8C21H20N4O2
- Propyl 2-amino-1-(3-methylphenyl)pyrrolo[3,2-b]quinoxaline-3-carboxylate847246-16-6C21H20N4O2
- N-{2-[(3-Cyano-8-methyl-2-quinolinyl)amino]ethyl}-3-methoxybenzamide606104-84-1C21H20N4O2
Frequently asked questions
What is the molar mass of C21H20N4O2?
The molar mass of C21H20N4O2 is 360.42 g/mol, calculated from standard atomic weights for 21 carbon atoms, 20 hydrogen atoms, 4 nitrogen atoms and 2 oxygen atoms. The monoisotopic mass is 360.1586 Da.
How many compounds have the formula C21H20N4O2?
CompoundList lists 249 compounds with the molecular formula C21H20N4O2, including Bmh-21, RP-101075, 5-(2,6-Dimethylmorpholin-4-yl)quinazolino[2,3-a]phthalazin-8-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 C21H20N4O2?
C21H20N4O2 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.