Molecular formula
C21H21N7O
55 compounds have this formula on CompoundList.
- Molar mass
- 387.45g/mol
- Monoisotopic mass
- 387.1808Da
- Atoms
- 50
- Elements
- 4
- Rings plus double bonds
- 15
The formula C21H21N7O describes a molecule made of 21 carbon atoms, 21 hydrogen atoms, 7 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 × 2165.10%12.011 × 21 = 252.231 g/mol
- H Hydrogen × 215.46%1.008 × 21 = 21.168 g/mol
- N Nitrogen × 725.31%14.007 × 7 = 98.049 g/mol
- O Oxygen × 14.13%15.999 × 1 = 15.999 g/mol
Look up another formula
Compounds with the formula C21H21N7O
Isomers we list, best known first. Open one to see its structure, properties, safety data and suppliers.
Showing 1 to 55 of 55 compounds
![2-Amino-N-(2-methylpropyl)-1-(pyridin-2-ylmethylideneamino)pyrrolo[3,2-b]quinoxaline-3-carboxamide chemical structure, C21H21N7O, CAS 836630-86-5](/s/QRAQYDXSGSMJIT-BRJLIKDPSA-N.svg)
2-Amino-N-(2-methylpropyl)-1-(pyridin-2-ylmethylideneamino)pyrrolo[3,2-b]quinoxaline-3-carboxamide
CAS 836630-86-5C21H21N7O
![(E)-2-Amino-N-butyl-1-((pyridin-3-ylmethylene)amino)-1H-pyrrolo[2,3-b]quinoxaline-3-carboxamide chemical structure, C21H21N7O, CAS 836630-09-2](/s/PBHABXNVSHKQHL-DHRITJCHSA-N.svg)
(E)-2-Amino-N-butyl-1-((pyridin-3-ylmethylene)amino)-1H-pyrrolo[2,3-b]quinoxaline-3-carboxamide
CAS 836630-09-2C21H21N7O
![(E)-2-Amino-N-isobutyl-1-((pyridin-3-ylmethylene)amino)-1H-pyrrolo[2,3-b]quinoxaline-3-carboxamide chemical structure, C21H21N7O, CAS 836635-64-4](/s/WCLLFLOGMULJSH-BRJLIKDPSA-N.svg)
(E)-2-Amino-N-isobutyl-1-((pyridin-3-ylmethylene)amino)-1H-pyrrolo[2,3-b]quinoxaline-3-carboxamide
CAS 836635-64-4C21H21N7O
![(E)-2-Amino-N-butyl-1-((pyridin-2-ylmethylene)amino)-1H-pyrrolo[2,3-b]quinoxaline-3-carboxamide chemical structure, C21H21N7O, CAS 839700-45-7](/s/UCYLZPBYKHEDGP-DHRITJCHSA-N.svg)
(E)-2-Amino-N-butyl-1-((pyridin-2-ylmethylene)amino)-1H-pyrrolo[2,3-b]quinoxaline-3-carboxamide
CAS 839700-45-7C21H21N7O
![(E)-2-Amino-N-isobutyl-1-((pyridin-4-ylmethylene)amino)-1H-pyrrolo[2,3-b]quinoxaline-3-carboxamide chemical structure, C21H21N7O, CAS 840457-85-4](/s/NCFOZNCYVTYEQJ-BRJLIKDPSA-N.svg)
(E)-2-Amino-N-isobutyl-1-((pyridin-4-ylmethylene)amino)-1H-pyrrolo[2,3-b]quinoxaline-3-carboxamide
CAS 840457-85-4C21H21N7O
![N,4-dimethyl-3-[[6-(methylamino)-1-phenyl-1H-pyrazolo[3,4-d]pyrimidin-4-yl]amino]benzamide chemical structure, C21H21N7O, CAS 630107-50-5](/s/XTTRZMGIAJVRQG-UHFFFAOYSA-N.svg)
N,4-dimethyl-3-[[6-(methylamino)-1-phenyl-1H-pyrazolo[3,4-d]pyrimidin-4-yl]amino]benzamide
CAS 630107-50-5C21H21N7O
1-(8-((1H-1,2,3-Triazol-1-yl)methyl)-5-(2-methylpyridin-4-yl)isoquinolin-3-yl)-3-ethylurea
CAS 2095850-24-9C21H21N7O
![(E)-2-Amino-N-(sec-butyl)-1-((pyridin-4-ylmethylene)amino)-1H-pyrrolo[2,3-b]quinoxaline-3-carboxamide chemical structure, C21H21N7O, CAS 578736-48-8](/s/ISRZHQAQSCKPBO-WYMPLXKRSA-N.svg)
(E)-2-Amino-N-(sec-butyl)-1-((pyridin-4-ylmethylene)amino)-1H-pyrrolo[2,3-b]quinoxaline-3-carboxamide
CAS 578736-48-8C21H21N7O
![(E)-2-Amino-N-butyl-1-((pyridin-4-ylmethylene)amino)-1H-pyrrolo[2,3-b]quinoxaline-3-carboxamide chemical structure, C21H21N7O, CAS 835907-35-2](/s/LLLKODDQTZVQJV-DHRITJCHSA-N.svg)
(E)-2-Amino-N-butyl-1-((pyridin-4-ylmethylene)amino)-1H-pyrrolo[2,3-b]quinoxaline-3-carboxamide
CAS 835907-35-2C21H21N7O
(1H-Indol-3-yl)(4-(2-methyl-6-(1H-pyrazol-1-yl)pyrimidin-4-yl)piperazin-1-yl)methanone
CAS 1170528-08-1C21H21N7O
![1-(2-Methylphenyl)-N-[3-(1H-pyrazol-1-yl)propyl]-5-pyridin-4-yl-1H-1,2,3-triazole-4-carboxamide chemical structure, C21H21N7O, CAS 1396687-19-6](/s/BBKIICJSTFABGR-UHFFFAOYSA-N.svg)
1-(2-Methylphenyl)-N-[3-(1H-pyrazol-1-yl)propyl]-5-pyridin-4-yl-1H-1,2,3-triazole-4-carboxamide
CAS 1396687-19-6C21H21N7O
1-(4-(6-(1H-Imidazol-1-yl)pyrimidin-4-yl)piperazin-1-yl)-2-(1H-indol-3-yl)ethanone
CAS 1203236-07-0C21H21N7O
![2-(3-Methoxyphenyl)-4-(4-(pyrimidin-2-yl)piperazin-1-yl)pyrazolo[1,5-a]pyrazine chemical structure, C21H21N7O, CAS 1326919-77-0](/s/VNAGYPMXMPLUTJ-UHFFFAOYSA-N.svg)
2-(3-Methoxyphenyl)-4-(4-(pyrimidin-2-yl)piperazin-1-yl)pyrazolo[1,5-a]pyrazine
CAS 1326919-77-0C21H21N7O
N-(2-Cyanophenyl)-1-(6-(2-methyl-1H-imidazol-1-yl)pyrimidin-4-yl)piperidine-4-carboxamide
CAS 1351634-85-9C21H21N7O
![3-({4-[(4-Phenyl-4H-1,2,4-triazol-3-yl)methyl]piperazin-1-yl}carbonyl)-1H-indazole chemical structure, C21H21N7O, CAS 1396748-54-1](/s/AAEWAAKIRGGVIW-UHFFFAOYSA-N.svg)
3-({4-[(4-Phenyl-4H-1,2,4-triazol-3-yl)methyl]piperazin-1-yl}carbonyl)-1H-indazole
CAS 1396748-54-1C21H21N7O
![1-([1,2,4]Triazolo[4,3-b]pyridazin-6-yl)-4-(4-isopropylphenyl)-3-methyl-4,5-dihydro-1H-pyrazolo[3,4-b]pyridin-6(7H)-one chemical structure, C21H21N7O, CAS 1112037-69-0](/s/WBSOOVZYDMFLIJ-UHFFFAOYSA-N.svg)
1-([1,2,4]Triazolo[4,3-b]pyridazin-6-yl)-4-(4-isopropylphenyl)-3-methyl-4,5-dihydro-1H-pyrazolo[3,4-b]pyridin-6(7H)-one
CAS 1112037-69-0C21H21N7O
1-(4-(6-(1H-Imidazol-1-yl)pyridazin-3-yl)piperazin-1-yl)-2-(1H-indol-1-yl)ethanone
CAS 1351620-59-1C21H21N7O
N-(3-(1H-Pyrazol-1-yl)propyl)-1-benzyl-5-(pyridin-4-yl)-1H-1,2,3-triazole-4-carboxamide
CAS 1795409-50-5C21H21N7O
1-Benzyl-N-((3,5-dimethyl-1H-pyrazol-4-yl)methyl)-5-(pyridin-4-yl)-1H-1,2,3-triazole-4-carboxamide
CAS 1786222-39-6C21H21N7O
![1-(3,4-Dimethylphenyl)-5-methyl-N-[4-(5-methyl-1H-1,2,3-triazol-1-yl)phenyl]-1H-1,2,3-triazole-4-carboxamide chemical structure, C21H21N7O, CAS 924829-42-5](/s/LEVJHHDRGZCSGX-UHFFFAOYSA-N.svg)
1-(3,4-Dimethylphenyl)-5-methyl-N-[4-(5-methyl-1H-1,2,3-triazol-1-yl)phenyl]-1H-1,2,3-triazole-4-carboxamide
CAS 924829-42-5C21H21N7O
![1-(2,5-Dimethylphenyl)-5-methyl-N-[4-(5-methyl-1H-1,2,3-triazol-1-yl)phenyl]-1H-1,2,3-triazole-4-carboxamide chemical structure, C21H21N7O, CAS 924829-38-9](/s/HKHRRGRPLWKWIX-UHFFFAOYSA-N.svg)
1-(2,5-Dimethylphenyl)-5-methyl-N-[4-(5-methyl-1H-1,2,3-triazol-1-yl)phenyl]-1H-1,2,3-triazole-4-carboxamide
CAS 924829-38-9C21H21N7O
![1-(4-Ethylphenyl)-5-methyl-N-[4-(5-methyl-1H-1,2,3-triazol-1-yl)phenyl]-1H-1,2,3-triazole-4-carboxamide chemical structure, C21H21N7O, CAS 924837-56-9](/s/BTRXPCXITPQFLO-UHFFFAOYSA-N.svg)
1-(4-Ethylphenyl)-5-methyl-N-[4-(5-methyl-1H-1,2,3-triazol-1-yl)phenyl]-1H-1,2,3-triazole-4-carboxamide
CAS 924837-56-9C21H21N7O
![1-(4-{3-Methyl-3H-[1,2,3]triazolo[4,5-d]pyrimidin-7-yl}piperazin-1-yl)-2-(naphthalen-1-yl)ethan-1-one chemical structure, C21H21N7O, CAS 1058239-25-0](/s/WJTSQZZCDVTMJH-UHFFFAOYSA-N.svg)
1-(4-{3-Methyl-3H-[1,2,3]triazolo[4,5-d]pyrimidin-7-yl}piperazin-1-yl)-2-(naphthalen-1-yl)ethan-1-one
CAS 1058239-25-0C21H21N7O
![1-{3-Ethyl-3H-[1,2,3]triazolo[4,5-d]pyrimidin-7-yl}-4-(naphthalene-2-carbonyl)piperazine chemical structure, C21H21N7O, CAS 1058455-87-0](/s/YVROKVIKGCSPPP-UHFFFAOYSA-N.svg)
1-{3-Ethyl-3H-[1,2,3]triazolo[4,5-d]pyrimidin-7-yl}-4-(naphthalene-2-carbonyl)piperazine
CAS 1058455-87-0C21H21N7O
- (1H-Indol-3-yl)(4-((1-phenyl-1H-tetrazol-5-yl)methyl)piperazin-1-yl)methanone1040649-84-0C21H21N7O
- 1-(4-(6-(1H-Pyrazol-1-yl)pyrimidin-4-yl)piperazin-1-yl)-2-(1H-indol-3-yl)ethanone1170835-90-1C21H21N7O
- 2-(1H-Indol-3-yl)-N-(2-((6-(pyridin-4-ylamino)pyridazin-3-yl)amino)ethyl)acetamide1226427-85-5C21H21N7O
- [4-(1H-Benzimidazol-2-yl)piperidin-1-yl][2-(5-methyl-1H-tetrazol-1-yl)phenyl]methanone1630903-72-8C21H21N7O
- (4-(1H-Pyrrol-1-yl)phenyl)(4-(3-methyl-[1,2,4]triazolo[4,3-a]pyrazin-8-yl)piperazin-1-yl)methanone2034268-25-0C21H21N7O
- N-[2-(1H-Indol-3-yl)ethyl]-1-[6-(1H-pyrazol-1-yl)pyrimidin-4-yl]azetidine-3-carboxamide2034231-59-7C21H21N7O
- N-{1-[1-(2,3-Dimethylphenyl)-1H-pyrazolo[3,4-d]pyrimidin-4-yl]-3-methyl-1H-pyrazol-5-yl}cyclopropanecarboxamide1006274-73-2C21H21N7O
- N-(1-(1-(2,4-Dimethylphenyl)-1H-pyrazolo[3,4-d]pyrimidin-4-yl)-3-methyl-1H-pyrazol-5-yl)cyclopropanecarboxamide1005975-70-1C21H21N7O
- N-(1-(1-(3,4-Dimethylphenyl)-1H-pyrazolo[3,4-d]pyrimidin-4-yl)-3-methyl-1H-pyrazol-5-yl)cyclopropanecarboxamide1006277-37-7C21H21N7O
- 1-(3-{[2-(Pyridin-4-yl)-[1,2,4]triazolo[1,5-c]quinazolin-5-yl]amino}propyl)pyrrolidin-2-one902945-09-9C21H21N7O
- 1-{3-Ethyl-3H-[1,2,3]triazolo[4,5-d]pyrimidin-7-yl}-4-(naphthalene-1-carbonyl)piperazine1070861-42-5C21H21N7O
- (4-(6-(1H-Imidazol-1-yl)-2-methylpyrimidin-4-yl)piperazin-1-yl)(1H-indol-3-yl)methanone1171740-38-7C21H21N7O
- 1-(4-(6-(1H-Pyrazol-1-yl)pyridazin-3-yl)piperazin-1-yl)-2-(1H-indol-3-yl)ethanone1226437-44-0C21H21N7O
- N-{2-[3,5-Dimethyl-1-(pyridin-2-yl)-1H-pyrazol-4-yl]ethyl}-2-phenyl-2H-1,2,3-triazole-4-carboxamide2034619-65-1C21H21N7O
- 5,7-Dimethyl-N-(2-(5,6,7,8-tetrahydroimidazo[1,2-a]pyridin-2-yl)phenyl)-[1,2,4]triazolo[1,5-a]pyrimidine-2-carboxamide2097900-28-0C21H21N7O
- 2-{[1-(Quinolin-4-yl)piperidin-4-yl]methyl}-6-(1H-1,2,4-triazol-1-yl)-2,3-dihydropyridazin-3-one2097925-35-2C21H21N7O
- 1H-Purine-2,8-diamine, 6-(4-morpholinyl)-N,N'-diphenyl-682337-56-0C21H21N7O
- 2-[(1-{Imidazo[1,2-b]pyridazin-6-yl}piperidin-4-yl)methyl]-6-(pyridin-4-yl)-2,3-dihydropyridazin-3-one2097927-58-5C21H21N7O
- 2-(4-{[5-(1-Methyl-1H-pyrazol-4-yl)pyrimidin-2-yl]oxy}piperidin-1-yl)quinoxaline2549054-57-9C21H21N7O
- 1-tert-Butyl-3-[6-(3-pyridin-2-yl-1H-pyrazol-4-yl)-quinazolin-4-yl]-urea746666-52-4C21H21N7O
- 3-(4-{3-Cyclopropyl-[1,2,4]triazolo[4,3-b]pyridazin-6-yl}-1,4-diazepane-1-carbonyl)benzonitrile2379996-00-4C21H21N7O
- 2-(1-{1-Methyl-1H-pyrazolo[3,4-d]pyrimidin-4-yl}piperidin-4-yl)-6-phenyl-2,3-dihydropyridazin-3-one2379996-05-9C21H21N7O
- N-Cyclopentyl-N-[(9-methyltetrazolo[1,5-a]quinolin-4-yl)methyl]-2-pyrazinecarboxamide603949-47-9C21H21N7O
- 5-(4-{2-Methylpyrazolo[1,5-a]pyrazin-4-yl}piperazin-1-yl)-6-phenyl-2,3-dihydropyridazin-3-one2549041-14-5C21H21N7O
- 5-(4-{5-Methylpyrazolo[1,5-a]pyrimidin-7-yl}piperazin-1-yl)-6-phenyl-2,3-dihydropyridazin-3-one2548985-12-0C21H21N7O
- 2-(1-{5,7-Dimethyl-[1,2,4]triazolo[1,5-a]pyrimidine-2-carbonyl}piperidin-4-yl)-1,8-naphthyridine2640959-52-8C21H21N7O
- 3-(5-{3-Ethyl-[1,2,4]triazolo[4,3-b]pyridazin-6-yl}-octahydropyrrolo[3,4-c]pyrrole-2-carbonyl)benzonitrile2640947-14-2C21H21N7O
- 2-{4-[6-(2-Methyl-1H-imidazol-1-yl)pyridin-2-yl]piperazin-1-yl}-4H-pyrido[1,2-a]pyrimidin-4-one2770638-03-2C21H21N7O
- 6-[4-(1H-1,3-Benzodiazol-2-yl)piperazin-1-yl]-2-[(pyridin-2-yl)methyl]-2,3-dihydropyridazin-3-one2770604-07-2C21H21N7O
- 2-{4-[6-(1H-Pyrazol-1-yl)pyridin-2-yl]piperazin-1-yl}-5H,7H,8H-pyrano[4,3-b]pyridine-3-carbonitrile2770634-98-3C21H21N7O
- N-(1-{Imidazo[1,2-b]pyridazin-6-yl}azetidin-3-yl)-4-[(1H-imidazol-1-yl)methyl]-N-methylbenzamide3054534-83-4C21H21N7O
Frequently asked questions
What is the molar mass of C21H21N7O?
The molar mass of C21H21N7O is 387.45 g/mol, calculated from standard atomic weights for 21 carbon atoms, 21 hydrogen atoms, 7 nitrogen atoms and 1 oxygen atom. The monoisotopic mass is 387.1808 Da.
How many compounds have the formula C21H21N7O?
CompoundList lists 55 compounds with the molecular formula C21H21N7O, including 2-Amino-N-(2-methylpropyl)-1-(pyridin-2-ylmethylideneamino)pyrrolo[3,2-b]quinoxaline-3-carboxamide, (E)-2-Amino-N-butyl-1-((pyridin-3-ylmethylene)amino)-1H-pyrrolo[2,3-b]quinoxaline-3-carboxamide, (E)-2-Amino-N-isobutyl-1-((pyridin-3-ylmethylene)amino)-1H-pyrrolo[2,3-b]quinoxaline-3-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 C21H21N7O?
C21H21N7O 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.