Molecular formula
C21H19N5O3
176 compounds have this formula on CompoundList.
- Molar mass
- 389.42g/mol
- Monoisotopic mass
- 389.1488Da
- Atoms
- 48
- Elements
- 4
- Rings plus double bonds
- 15
The formula C21H19N5O3 describes a molecule made of 21 carbon atoms, 19 hydrogen atoms, 5 nitrogen atoms and 3 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 × 2164.77%12.011 × 21 = 252.231 g/mol
- H Hydrogen × 194.92%1.008 × 19 = 19.152 g/mol
- N Nitrogen × 517.98%14.007 × 5 = 70.035 g/mol
- O Oxygen × 312.33%15.999 × 3 = 47.997 g/mol
Look up another formula
Compounds with the formula C21H19N5O3
Isomers we list, best known first. Open one to see its structure, properties, safety data and suppliers.
Showing 1 to 100 of 176 compounds
![2-{4-Nitrophenyl}-4-({[2-(1H-indol-3-yl)ethyl]amino}methylene)-5-methyl-2,4-dihydro-3H-pyrazol-3-one chemical structure, C21H19N5O3, CAS 1164548-91-7](/s/ZVAFCMOATNVRGU-UHFFFAOYSA-N.svg)
2-{4-Nitrophenyl}-4-({[2-(1H-indol-3-yl)ethyl]amino}methylene)-5-methyl-2,4-dihydro-3H-pyrazol-3-one
CAS 1164548-91-7C21H19N5O3
Ethyl 2-imino-10-methyl-5-oxo-1-(3-pyridinylmethyl)-1,5-dihydro-2H-dipyrido(1,2-A:2,3-D)pyrimidine-3-carboxylate
CAS 370573-01-6C21H19N5O3
![2-(3-Methoxyphenyl)-4-methyl-6-[2-(4-methylphenyl)pyrazol-3-yl]-1,2,4-triazine-3,5-dione chemical structure, C21H19N5O3, CAS 321538-35-6](/s/SJSXBQQHZLWDDX-UHFFFAOYSA-N.svg)
2-(3-Methoxyphenyl)-4-methyl-6-[2-(4-methylphenyl)pyrazol-3-yl]-1,2,4-triazine-3,5-dione
CAS 321538-35-6C21H19N5O3
![7-(Benzo[d][1,3]dioxol-5-yl)-5-methyl-2-(m-tolyl)-4,7-dihydro-[1,2,4]triazolo[1,5-a]pyrimidine-6-carboxamide chemical structure, C21H19N5O3, CAS 538317-59-8](/s/HQSQFZUCRQFSSR-UHFFFAOYSA-N.svg)
7-(Benzo[d][1,3]dioxol-5-yl)-5-methyl-2-(m-tolyl)-4,7-dihydro-[1,2,4]triazolo[1,5-a]pyrimidine-6-carboxamide
CAS 538317-59-8C21H19N5O3
GPR40/FFAR1 modulator 1
CAS 874755-26-7C21H19N5O3
2-(4-Ethylphenyl)-9-(2-methoxyphenyl)-8-oxo-8,9-dihydro-7H-purine-6-carboxamide
CAS 869069-37-4C21H19N5O3
![2-Amino-1-(benzo[d][1,3]dioxol-5-yl)-N-propyl-1H-pyrrolo[2,3-b]quinoxaline-3-carboxamide chemical structure, C21H19N5O3, CAS 585551-28-6](/s/VNGXGOZLJHNRJL-UHFFFAOYSA-N.svg)
2-Amino-1-(benzo[d][1,3]dioxol-5-yl)-N-propyl-1H-pyrrolo[2,3-b]quinoxaline-3-carboxamide
CAS 585551-28-6C21H19N5O3
![2-(3,4-Dimethoxyphenyl)-N-(3-{[1,2,4]triazolo[4,3-b]pyridazin-6-yl}phenyl)acetamide chemical structure, C21H19N5O3, CAS 894063-71-9](/s/ALGZQGVLGFDWFD-UHFFFAOYSA-N.svg)
2-(3,4-Dimethoxyphenyl)-N-(3-{[1,2,4]triazolo[4,3-b]pyridazin-6-yl}phenyl)acetamide
CAS 894063-71-9C21H19N5O3
6-Amino-8-(7-methoxy-1,3-benzodioxol-5-yl)-2-methyl-2,3,8,8a-tetrahydro-5,7,7(1H)-isoquinolinetricarbonitrile
CAS 303953-33-5C21H19N5O3
![N-(3,4-Dihydro-1H-[1,4]oxazino[4,3-a]benzimidazol-8-yl)-2-(4-methyl-1-oxophthalazin-2-yl)acetamide chemical structure, C21H19N5O3, CAS 896840-38-3](/s/OQBOSSBZSWPXNR-UHFFFAOYSA-N.svg)
N-(3,4-Dihydro-1H-[1,4]oxazino[4,3-a]benzimidazol-8-yl)-2-(4-methyl-1-oxophthalazin-2-yl)acetamide
CAS 896840-38-3C21H19N5O3
N-(2-(4-(Dimethylamino)phenyl)-1-methyl-1H-benzimidazol-5-yl)-N-((5-nitro-2-furyl)methylidene)amine
CAS 853407-16-6C21H19N5O3
![2,3-Dimethoxy-N-(4-(3-methyl-[1,2,4]triazolo[4,3-b]pyridazin-6-yl)phenyl)benzamide chemical structure, C21H19N5O3, CAS 894067-84-6](/s/OZRYQSODCORIBM-UHFFFAOYSA-N.svg)
2,3-Dimethoxy-N-(4-(3-methyl-[1,2,4]triazolo[4,3-b]pyridazin-6-yl)phenyl)benzamide
CAS 894067-84-6C21H19N5O3
![Ethyl 6-imino-13-methyl-2-oxo-7-[(pyridin-3-yl)methyl]-1,7,9-triazatricyclo[8.4.0.0^{3,8}]tetradeca-3(8),4,9,11,13-pentaene-5-carboxylate chemical structure, C21H19N5O3, CAS 324049-95-8](/s/VQGDCICFXJACPE-UHFFFAOYSA-N.svg)
Ethyl 6-imino-13-methyl-2-oxo-7-[(pyridin-3-yl)methyl]-1,7,9-triazatricyclo[8.4.0.0^{3,8}]tetradeca-3(8),4,9,11,13-pentaene-5-carboxylate
CAS 324049-95-8C21H19N5O3
![2-Amino-1-(3,4,5-trimethoxybenzyl)-1H-pyrrolo[2,3-b]quinoxaline-3-carbonitrile chemical structure, C21H19N5O3, CAS 844649-82-7](/s/QVMZYOFHBJMKGC-UHFFFAOYSA-N.svg)
2-Amino-1-(3,4,5-trimethoxybenzyl)-1H-pyrrolo[2,3-b]quinoxaline-3-carbonitrile
CAS 844649-82-7C21H19N5O3
![(5-Methyl-1-(3-phenylbenzo[c]isoxazol-5-yl)-1H-1,2,3-triazol-4-yl)(morpholino)methanone chemical structure, C21H19N5O3, CAS 951897-26-0](/s/QYDHDGFUULUBLQ-UHFFFAOYSA-N.svg)
(5-Methyl-1-(3-phenylbenzo[c]isoxazol-5-yl)-1H-1,2,3-triazol-4-yl)(morpholino)methanone
CAS 951897-26-0C21H19N5O3
![N'-[(3Z)-2-Oxo-1,2-dihydro-3H-indol-3-ylidene]-3-(4-propoxyphenyl)-1H-pyrazole-5-carbohydrazide chemical structure, C21H19N5O3, CAS 1048925-30-9](/s/SBSCOFCPEZDMKB-UHFFFAOYSA-N.svg)
N'-[(3Z)-2-Oxo-1,2-dihydro-3H-indol-3-ylidene]-3-(4-propoxyphenyl)-1H-pyrazole-5-carbohydrazide
CAS 1048925-30-9C21H19N5O3
![N-(Furan-2-ylmethyl)-2-imino-8-methyl-5-oxo-1-(prop-2-en-1-yl)-1,5-dihydro-2H-dipyrido[1,2-a:2',3'-d]pyrimidine-3-carboxamide chemical structure, C21H19N5O3, CAS 683806-70-4](/s/ZLJFKHIEWPDIRH-UHFFFAOYSA-N.svg)
N-(Furan-2-ylmethyl)-2-imino-8-methyl-5-oxo-1-(prop-2-en-1-yl)-1,5-dihydro-2H-dipyrido[1,2-a:2',3'-d]pyrimidine-3-carboxamide
CAS 683806-70-4C21H19N5O3
4-((3-(1H-Imidazol-1-yl)propyl)amino)-3-nitro-1-phenylquinolin-2(1H)-one
CAS 886158-55-0C21H19N5O3
![3-[4-(2H-1,3-Benzodioxole-5-carbonyl)piperazin-1-yl]-6-(pyridin-4-yl)pyridazine chemical structure, C21H19N5O3, CAS 946273-36-5](/s/SJEINJQUBWWJOD-UHFFFAOYSA-N.svg)
3-[4-(2H-1,3-Benzodioxole-5-carbonyl)piperazin-1-yl]-6-(pyridin-4-yl)pyridazine
CAS 946273-36-5C21H19N5O3
N-(2,3-Dihydro-1,4-benzodioxin-6-yl)-3-(3-ethyl-1,2,4-oxadiazol-5-yl)-7-methyl-1,8-naphthyridin-4-amine
CAS 1251671-19-8C21H19N5O3
![3-(3,4-Dimethylphenyl)-6-[2-(4-methoxyphenyl)-2-oxoethyl]triazolo[4,5-d]pyrimidin-7-one chemical structure, C21H19N5O3, CAS 888422-36-4](/s/VNJRVTJMVULDHL-UHFFFAOYSA-N.svg)
3-(3,4-Dimethylphenyl)-6-[2-(4-methoxyphenyl)-2-oxoethyl]triazolo[4,5-d]pyrimidin-7-one
CAS 888422-36-4C21H19N5O3
![2-(6-Cyclopropyl-4-oxo-1-phenyl-1H-pyrazolo[3,4-d]pyrimidin-5(4H)-yl)-N-(furan-2-ylmethyl)acetamide chemical structure, C21H19N5O3, CAS 946234-73-7](/s/AGWBUKXFOVTIKI-UHFFFAOYSA-N.svg)
2-(6-Cyclopropyl-4-oxo-1-phenyl-1H-pyrazolo[3,4-d]pyrimidin-5(4H)-yl)-N-(furan-2-ylmethyl)acetamide
CAS 946234-73-7C21H19N5O3
![4-Methoxy-N-[2-({3-phenyl-[1,2,4]triazolo[4,3-b]pyridazin-6-yl}oxy)ethyl]benzamide chemical structure, C21H19N5O3, CAS 946272-34-0](/s/ZCJTZGNQBURIMV-UHFFFAOYSA-N.svg)
4-Methoxy-N-[2-({3-phenyl-[1,2,4]triazolo[4,3-b]pyridazin-6-yl}oxy)ethyl]benzamide
CAS 946272-34-0C21H19N5O3
![1-(3-(6-Methoxyimidazo[1,2-b]pyridazin-2-yl)phenyl)-3-(2-methoxyphenyl)urea chemical structure, C21H19N5O3, CAS 1060293-64-2](/s/ITNITZPCDCSEKN-UHFFFAOYSA-N.svg)
1-(3-(6-Methoxyimidazo[1,2-b]pyridazin-2-yl)phenyl)-3-(2-methoxyphenyl)urea
CAS 1060293-64-2C21H19N5O3
- N-(4-Methoxyphenyl)-2-(oxo-8-(p-tolyl)pyrazolo[1,5-d][1,2,4]triazin-1-yl)acetamide1020969-08-7C21H19N5O3
- 2-(3,4-Dimethoxyphenyl)-N-[4-([1,2,4]triazolo[4,3-b]pyridazin-6-yl)phenyl]acetamide891116-23-7C21H19N5O3
- 4-Nitro-N-(3-(6-(pyrrolidin-1-yl)pyridazin-3-yl)phenyl)benzamide899745-75-6C21H19N5O3
- N-(2-Methoxyphenyl)-2-(oxo-8-(p-tolyl)pyrazolo[1,5-d][1,2,4]triazin-1-yl)acetamide1021046-01-4C21H19N5O3
- 3-{8-[(3,4-Dimethoxyphenyl)amino]imidazo[1,2-A]pyrazin-6-Yl}benzamide1181327-15-0C21H19N5O3
- N-(1-(4,5-Dimethyl-6-oxo-1,6-dihydropyrimidin-2-yl)-3-(furan-2-yl)-1H-pyrazol-5-yl)-2-methylbenzamide1172253-32-5C21H19N5O3
- 2-(1,3-Benzoxazol-2-ylamino)-N-(2-methoxyphenyl)-4,6-dimethylpyrimidine-5-carboxamide673491-29-7C21H19N5O3
- Carbamic acid, N-(4-(2-(4-(2-(4-hydroxyphenyl)diazenyl)-2-methylphenyl)diazenyl)phenyl)-, methyl ester6465-02-7C21H19N5O3
- 4-[8-(3,4-Dimethoxyanilino)imidazo[1,2-a]pyrazin-6-yl]benzamide1181327-23-0C21H19N5O3
- 1-Methyl-9-(4-phenoxyphenyl)-7,8-dihydro-6H-purino[7,8-a]pyrimidine-2,4-dione714930-67-3C21H19N5O3
- 4-(2-(2,5-Dimethyl-4-(2-(4-nitrophenyl)diazenyl)phenyl)diazenyl)-2-methylphenol62308-13-8C21H19N5O3
- 5-{[3-(1H-Imidazol-1-yl)propyl]amino}-2-[5-(phenoxymethyl)furan-2-yl]-1,3-oxazole-4-carbonitrile931704-14-2C21H19N5O3
- Casein kinase 1|A-IN-19782452-74-8C21H19N5O3
- 1,3-Dimethyl-8-(4-phenoxyphenyl)-7,8-dihydro-1H-imidazo[2,1-f]purine-2,4(3H,6H)-dione893954-23-9C21H19N5O3
- 2-(4-Ethoxyphenyl)-9-(3-methylphenyl)-8-oxo-8,9-dihydro-7H-purine-6-carboxamide863501-52-4C21H19N5O3
- 7-Benzyl-1,3-dimethyl-2,4-dioxo-N-(pyridin-3-yl)-2,3,4,7-tetrahydro-1H-pyrrolo[2,3-d]pyrimidine-6-carboxamide1021216-45-4C21H19N5O3
- Ethyl 2-imino-10-methyl-5-oxo-1-(4-pyridylmethyl)-1,6-dihydropyridino[2,3-d]py ridino[1,2-a]pyrimidine-3-carboxylate371218-54-1C21H19N5O3
- 2-Imino-1-(4-methoxybenzyl)-N-methyl-5-oxo-1,5-dihydro-2H-dipyrido[1,2-a:2,3-d]pyrimidine-3-carboxamide628274-86-2C21H19N5O3
- [1-(2-Furylmethyl)-2-imino-10-methyl-5-oxo(1,6-dihydropyridino[2,3-d]pyridino[1,2-a]pyrimidin-3-yl)]-N-prop-2-enylcarboxamide488825-71-4C21H19N5O3
- 3-(4-Hydroxy-3-methoxyphenyl)-N-1-naphthyl-2-(2H-tetrazol-5-yl)propanamide483995-90-0C21H19N5O3
- N-[2-[(2Z)-2-[1-(2-Cyanoethyl)-2-oxoindol-3-ylidene]hydrazinyl]-2-oxoethyl]-2-methylbenzamide488743-49-3C21H19N5O3
- N-[(Furan-2-yl)methyl]-6-imino-11-methyl-2-oxo-7-(prop-2-en-1-yl)-1,7,9-triazatricyclo[8.4.0.0^{3,8}]tetradeca-3(8),4,9,11,13-pentaene-5-carboxamide488745-16-0C21H19N5O3
- 3-Benzyl-8-(furan-2-ylmethyl)-1,7-dimethyl-1H-imidazo[2,1-f]purine-2,4(3H,8H)-dione896596-64-8C21H19N5O3
- 1-(4,6-Dimethylpyrimidin-2-yl)-6-(4-methoxyphenyl)-3-methyl-1H-pyrazolo[3,4-b]pyridine-4-carboxylic acid885457-06-7C21H19N5O3
- 3-(3,5-Dimethylphenyl)-6-[2-(4-methoxyphenyl)-2-oxoethyl]triazolo[4,5-d]pyrimidin-7-one872591-29-2C21H19N5O3
- 3,4-Dimethoxy-N-(4-(3-methyl-[1,2,4]triazolo[4,3-b]pyridazin-6-yl)phenyl)benzamide891117-23-0C21H19N5O3
- 8-(Benzylamino)-3-methyl-7-(2-oxo-2-phenylethyl)-1H-purine-2,6(3H,7H)-dione886901-73-1C21H19N5O3
- 2-[2-(4-Methoxyphenyl)-4-oxopyrazolo[1,5-d][1,2,4]triazin-5(4H)-yl]-N-(2-methylphenyl)acetamide1031944-41-8C21H19N5O3
- (2-Nitrophenyl)(4-(6-phenylpyrimidin-4-yl)piperazin-1-yl)methanone1334375-57-3C21H19N5O3
- N-((3-Methyl-4-oxo-3,4-dihydrophthalazin-1-yl)methyl)-3-(4-oxoquinazolin-3(4H)-yl)propanamide1396781-90-0C21H19N5O3
- Ethyl 5-(5-methyl-1-phenyl-1H-pyrazole-4-carboxamido)pyrazolo[1,5-a]pyridine-3-carboxylate1396850-84-2C21H19N5O3
- Ethyl 5-(1-methyl-3-phenyl-1H-pyrazole-5-carboxamido)pyrazolo[1,5-a]pyridine-3-carboxylate1396868-06-6C21H19N5O3
- N-((1-(3-Cyanopyrazin-2-yl)piperidin-4-yl)methyl)-4-oxo-4H-chromene-2-carboxamide1797286-07-7C21H19N5O3
- [1-(2-Hydroxyethyl)-2-imino-5-oxo(1,6-dihydropyridino[1,2-a]pyridino[2,3-d]pyr imidin-3-yl)]-N-benzylcarboxamide636989-73-6C21H19N5O3
- N-(4-Ethoxyphenyl)-2-(4-oxo-1-phenylpyrazolo[3,4-d]pyrimidin-5-yl)acetamide852440-15-4C21H19N5O3
- N-(3-Methoxyphenyl)-2-[1-(2-methylphenyl)-4-oxopyrazolo[3,4-d]pyrimidin-5-yl]acetamide895009-96-8C21H19N5O3
- 9-(4-Ethoxyphenyl)-2-(2-methylphenyl)-8-oxo-7H-purine-6-carboxamide898446-69-0C21H19N5O3
- 2-(4-Ethylphenyl)-9-(3-methoxyphenyl)-8-oxo-8,9-dihydro-7H-purine-6-carboxamide899970-75-3C21H19N5O3
- 9-(2-Ethoxyphenyl)-2-(2-methylphenyl)-8-oxo-7H-purine-6-carboxamide899742-24-6C21H19N5O3
- 9-(2-Ethoxyphenyl)-2-(3-methylphenyl)-8-oxo-7H-purine-6-carboxamide900010-98-2C21H19N5O3
- 3-(4-Methoxyphenyl)-N-{4-oxo-1-phenyl-1H,4H,5H-pyrazolo[3,4-d]pyrimidin-5-yl}propanamide899966-50-8C21H19N5O3
- 2-[2-(4-Methoxyphenyl)-4-oxopyrazolo[1,5-d][1,2,4]triazin-5(4H)-yl]-N-(4-methylphenyl)acetamide1030089-18-9C21H19N5O3
- N-(3,4-Dimethoxybenzyl)-7-(pyridin-4-yl)pyrazolo[1,5-a]pyrimidine-3-carboxamide1251566-33-2C21H19N5O3
- 2-[8-(2-Methylphenoxy)-3-oxo-2H,3H-[1,2,4]triazolo[4,3-a]pyrazin-2-yl]-N-(4-methylphenyl)acetamide1251692-91-7C21H19N5O3
- N-(2-Methoxyphenyl)-2-{5-methyl-3-oxo-7-phenyl-2H,3H-[1,2,4]triazolo[4,3-c]pyrimidin-2-yl}acetamide1251697-41-2C21H19N5O3
- 2-{4-[5-(4-Methoxyphenyl)-1,2,4-oxadiazol-3-yl]-1H-imidazol-1-yl}-N-(3-methylphenyl)acetamide1251631-17-0C21H19N5O3
- Methyl 4-{[3-(3-ethyl-1,2,4-oxadiazol-5-yl)-7-methyl-1,8-naphthyridin-4-yl]amino}benzoate1251626-58-0C21H19N5O3
- N-[3-(4-Methoxybenzyl)-1H-1,2,4-triazol-5-yl]-1-methyl-2-oxo-1,2-dihydroquinoline-4-carboxamide1574321-07-5C21H19N5O3
- N-[1-(2-Furyl)ethyl]-1-(2-methoxyphenyl)-5-pyridin-2-yl-1H-1,2,3-triazole-4-carboxamide1396855-06-3C21H19N5O3
- 2-((1-(2-(4-Oxoquinazolin-3(4H)-yl)acetyl)piperidin-4-yl)oxy)nicotinonitrile1798024-15-3C21H19N5O3
- 2-(3,5-Dimethylisoxazol-4-yl)-N-(2-((3-(pyridin-4-yl)-1,2,4-oxadiazol-5-yl)methyl)phenyl)acetamide1797602-94-8C21H19N5O3
- N-(2-(5-Cyclopropyl-3-(pyridin-2-yl)-1H-pyrazol-1-yl)ethyl)-5-(furan-2-yl)isoxazole-3-carboxamide1797235-93-8C21H19N5O3
- 3-(2,4-Dioxo-3,4-dihydropyrimidin-1(2H)-yl)-N-(2-(8-methylimidazo[1,2-a]pyridin-2-yl)phenyl)propanamide1788948-82-2C21H19N5O3
- 6-(3-(3-Methoxyphenyl)-1-methyl-1H-pyrazole-5-carbonyl)-2-oxo-1,2,5,6,7,8-hexahydro-1,6-naphthyridine-3-carbonitrile2034449-15-3C21H19N5O3
- 3-(1-(2-(Benzo[d]isoxazol-3-yl)acetyl)piperidin-4-yl)pyrido[2,3-d]pyrimidin-4(3H)-one2034423-53-3C21H19N5O3
- 6-Imino-N-[(4-methoxyphenyl)methyl]-7-methyl-2-oxo-1,7,9-triazatricyclo[8.4.0.0^{3,8}]tetradeca-3(8),4,9,11,13-pentaene-5-carboxamide858763-91-4C21H19N5O3
- 9-(4-Ethoxyphenyl)-2-(3-methylphenyl)-8-oxo-7H-purine-6-carboxamide898422-21-4C21H19N5O3
- 9-(4-Ethoxyphenyl)-2-(4-methylphenyl)-8-oxo-8,9-dihydro-7H-purine-6-carboxamide898442-47-2C21H19N5O3
- 9-(3-Methoxyphenyl)-8-oxo-2-phenethyl-8,9-dihydro-7H-purine-6-carboxamide899742-12-2C21H19N5O3
- N-(4-Acetamidophenyl)-2-[2-(5-methyl-1,3,4-oxadiazol-2-yl)-1H-indol-1-yl]acetamide923166-22-7C21H19N5O3
- 2-(2-(Indolin-1-yl)-2-oxoethyl)-8-phenyl-7,8-dihydroimidazo[2,1-c][1,2,4]triazine-3,4(2H,6H)-dione942011-35-0C21H19N5O3
- 4-Isopropoxy-N-(4-oxo-1-phenyl-1H-pyrazolo[3,4-d]pyrimidin-5(4H)-yl)benzamide899996-20-4C21H19N5O3
- N-(4-Oxo-1-(p-tolyl)-1H-pyrazolo[3,4-d]pyrimidin-5(4H)-yl)-2-phenoxypropanamide900008-14-2C21H19N5O3
- N-(1-(3,4-Dimethylphenyl)-4-oxo-1H-pyrazolo[3,4-d]pyrimidin-5(4H)-yl)-2-methoxybenzamide899967-15-8C21H19N5O3
- N-(1-(3,4-Dimethylphenyl)-4-oxo-1H-pyrazolo[3,4-d]pyrimidin-5(4H)-yl)-4-methoxybenzamide899738-09-1C21H19N5O3
- 5-(2-Methoxyethyl)-3-oxo-2-phenyl-N-(pyridin-3-yl)-3,5-dihydro-2H-pyrazolo[4,3-c]pyridine-7-carboxamide921515-34-6C21H19N5O3
- N-(1-(3,4-Dimethylphenyl)-4-oxo-1H-pyrazolo[3,4-d]pyrimidin-5(4H)-yl)-2-phenoxyacetamide899738-40-0C21H19N5O3
- 2-Phenoxy-N-[2-({3-phenyl-[1,2,4]triazolo[4,3-b]pyridazin-6-yl}oxy)ethyl]acetamide1060164-02-4C21H19N5O3
- N-(2-((3-(4-Methoxyphenyl)-[1,2,4]triazolo[4,3-b]pyridazin-6-yl)oxy)ethyl)benzamide1021223-70-0C21H19N5O3
- N-(5-(1-Isopropyl-1H-pyrazol-5-yl)-1,3,4-oxadiazol-2-yl)-3-phenoxybenzamide1171429-40-5C21H19N5O3
- N-(2-(3-(Furan-2-yl)-6-oxopyridazin-1(6H)-yl)ethyl)-5-methyl-1-phenyl-1H-pyrazole-4-carboxamide1207050-94-9C21H19N5O3
- 2-(3-Oxo-8-(p-tolyloxy)-[1,2,4]triazolo[4,3-a]pyrazin-2(3H)-yl)-N-(m-tolyl)acetamide1251692-34-8C21H19N5O3
- N-Benzyl-2-[8-(4-methylphenoxy)-3-oxo-2H,3H-[1,2,4]triazolo[4,3-a]pyrazin-2-yl]acetamide1251545-00-2C21H19N5O3
- 2-[8-(2-Methylphenoxy)-3-oxo-2H,3H-[1,2,4]triazolo[4,3-a]pyrazin-2-yl]-N-(2-methylphenyl)acetamide1251678-44-0C21H19N5O3
- 2-[8-(2-Methylphenoxy)-3-oxo-2H,3H-[1,2,4]triazolo[4,3-a]pyrazin-2-yl]-N-(3-methylphenyl)acetamide1251600-37-9C21H19N5O3
- N-(2-Ethoxyphenyl)-2-(3-oxo-6-phenyl-[1,2,4]triazolo[4,3-b]pyridazin-2(3H)-yl)acetamide1251694-27-5C21H19N5O3
Frequently asked questions
What is the molar mass of C21H19N5O3?
The molar mass of C21H19N5O3 is 389.42 g/mol, calculated from standard atomic weights for 21 carbon atoms, 19 hydrogen atoms, 5 nitrogen atoms and 3 oxygen atoms. The monoisotopic mass is 389.1488 Da.
How many compounds have the formula C21H19N5O3?
CompoundList lists 176 compounds with the molecular formula C21H19N5O3, including 2-{4-Nitrophenyl}-4-({[2-(1H-indol-3-yl)ethyl]amino}methylene)-5-methyl-2,4-dihydro-3H-pyrazol-3-one, Ethyl 2-imino-10-methyl-5-oxo-1-(3-pyridinylmethyl)-1,5-dihydro-2H-dipyrido(1,2-A:2,3-D)pyrimidine-3-carboxylate, 2-(3-Methoxyphenyl)-4-methyl-6-[2-(4-methylphenyl)pyrazol-3-yl]-1,2,4-triazine-3,5-dione. 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 C21H19N5O3?
C21H19N5O3 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.