Molecular formula
C21H21N5O3
169 compounds have this formula on CompoundList.
- Molar mass
- 391.43g/mol
- Monoisotopic mass
- 391.1644Da
- Atoms
- 50
- Elements
- 4
- Rings plus double bonds
- 14
The formula C21H21N5O3 describes a molecule made of 21 carbon atoms, 21 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 × 2164.44%12.011 × 21 = 252.231 g/mol
- H Hydrogen × 215.41%1.008 × 21 = 21.168 g/mol
- N Nitrogen × 517.89%14.007 × 5 = 70.035 g/mol
- O Oxygen × 312.26%15.999 × 3 = 47.997 g/mol
Look up another formula
Compounds with the formula C21H21N5O3
Isomers we list, best known first. Open one to see its structure, properties, safety data and suppliers.
Showing 1 to 100 of 169 compounds
![N-(2-Furylmethyl)-2-imino-10-methyl-5-oxo-1-propyl-1,5-dihydro-2H-dipyrido[1,2-A:2,3-D]pyrimidine-3-carboxamide chemical structure, C21H21N5O3, CAS 488110-73-2](/s/FDTYTVJVIQWGBF-UHFFFAOYSA-N.svg)
N-(2-Furylmethyl)-2-imino-10-methyl-5-oxo-1-propyl-1,5-dihydro-2H-dipyrido[1,2-A:2,3-D]pyrimidine-3-carboxamide
CAS 488110-73-2C21H21N5O3
![1-sec-Butyl-N-(2-furylmethyl)-2-imino-5-oxo-1,5-dihydro-2H-dipyrido[1,2-A:2,3-D]pyrimidine-3-carboxamide chemical structure, C21H21N5O3, CAS 510733-41-2](/s/AEMJXYGRVGVPFK-UHFFFAOYSA-N.svg)
1-sec-Butyl-N-(2-furylmethyl)-2-imino-5-oxo-1,5-dihydro-2H-dipyrido[1,2-A:2,3-D]pyrimidine-3-carboxamide
CAS 510733-41-2C21H21N5O3
7-Benzyl-8-((4-methoxybenzyl)amino)-3-methyl-1H-purine-2,6(3H,7H)-dione
CAS 578004-38-3C21H21N5O3
![2-Amino-1-(furan-2-ylmethyl)-N-(tetrahydrofuran-2-ylmethyl)-1H-pyrrolo[2,3-b]quinoxaline-3-carboxamide chemical structure, C21H21N5O3, CAS 375842-35-6](/s/MSTWTWKKEXEENQ-UHFFFAOYSA-N.svg)
2-Amino-1-(furan-2-ylmethyl)-N-(tetrahydrofuran-2-ylmethyl)-1H-pyrrolo[2,3-b]quinoxaline-3-carboxamide
CAS 375842-35-6C21H21N5O3
![N-(2-Furylmethyl)-2-imino-1-isopropyl-10-methyl-5-oxo-1,5-dihydro-2H-dipyrido[1,2-a:2',3'-d]pyrimidine-3-carboxamide chemical structure, C21H21N5O3, CAS 692264-72-5](/s/NRMZLSBAVOBHAK-UHFFFAOYSA-N.svg)
N-(2-Furylmethyl)-2-imino-1-isopropyl-10-methyl-5-oxo-1,5-dihydro-2H-dipyrido[1,2-a:2',3'-d]pyrimidine-3-carboxamide
CAS 692264-72-5C21H21N5O3
![8-(2-Furylmethyl)-1-methyl-3-(3-methylbenzyl)-7,8-dihydro-1H-imidazo[2,1-f]purine-2,4(3H,6H)-dione chemical structure, C21H21N5O3, CAS 872838-62-5](/s/WWWVAAZGGKXTBS-UHFFFAOYSA-N.svg)
8-(2-Furylmethyl)-1-methyl-3-(3-methylbenzyl)-7,8-dihydro-1H-imidazo[2,1-f]purine-2,4(3H,6H)-dione
CAS 872838-62-5C21H21N5O3
8-(Benzylamino)-3-methyl-7-(2-phenoxyethyl)-3,7-dihydro-1H-purine-2,6-dione
CAS 476481-68-2C21H21N5O3
![8-(2-Furylmethyl)-1-methyl-3-(4-methylbenzyl)-7,8-dihydro-1H-imidazo[2,1-f]purine-2,4(3H,6H)-dione chemical structure, C21H21N5O3, CAS 872838-65-8](/s/LURDUAFSSUXPOZ-UHFFFAOYSA-N.svg)
8-(2-Furylmethyl)-1-methyl-3-(4-methylbenzyl)-7,8-dihydro-1H-imidazo[2,1-f]purine-2,4(3H,6H)-dione
CAS 872838-65-8C21H21N5O3
![8-(2-Furylmethyl)-1-methyl-3-(2-methylbenzyl)-7,8-dihydro-1H-imidazo[2,1-f]purine-2,4(3H,6H)-dione chemical structure, C21H21N5O3, CAS 872838-59-0](/s/MFXIABSCFGBEFH-UHFFFAOYSA-N.svg)
8-(2-Furylmethyl)-1-methyl-3-(2-methylbenzyl)-7,8-dihydro-1H-imidazo[2,1-f]purine-2,4(3H,6H)-dione
CAS 872838-59-0C21H21N5O3
![N-(Furan-2-ylmethyl)-2-imino-8-methyl-5-oxo-1-propyl-1,5-dihydro-2H-dipyrido[1,2-a:2',3'-d]pyrimidine-3-carboxamide chemical structure, C21H21N5O3, CAS 842963-01-3](/s/HQXQBYGQNUNRDO-UHFFFAOYSA-N.svg)
N-(Furan-2-ylmethyl)-2-imino-8-methyl-5-oxo-1-propyl-1,5-dihydro-2H-dipyrido[1,2-a:2',3'-d]pyrimidine-3-carboxamide
CAS 842963-01-3C21H21N5O3
![N-(Furan-2-ylmethyl)-2-imino-8-methyl-5-oxo-1-(propan-2-yl)-1,5-dihydro-2H-dipyrido[1,2-a:2',3'-d]pyrimidine-3-carboxamide chemical structure, C21H21N5O3, CAS 799251-09-5](/s/KGGPZLJOYBEJPR-UHFFFAOYSA-N.svg)
N-(Furan-2-ylmethyl)-2-imino-8-methyl-5-oxo-1-(propan-2-yl)-1,5-dihydro-2H-dipyrido[1,2-a:2',3'-d]pyrimidine-3-carboxamide
CAS 799251-09-5C21H21N5O3
![7-(3,4-Dimethoxyphenyl)-5-methyl-N-phenyl-4,7-dihydro[1,2,4]triazolo[1,5-a]pyrimidine-6-carboxamide chemical structure, C21H21N5O3, CAS 361481-11-0](/s/POZKYSYANPAVSX-UHFFFAOYSA-N.svg)
7-(3,4-Dimethoxyphenyl)-5-methyl-N-phenyl-4,7-dihydro[1,2,4]triazolo[1,5-a]pyrimidine-6-carboxamide
CAS 361481-11-0C21H21N5O3
![7-(2,3-Dimethoxyphenyl)-5-methyl-N-phenyl-4,7-dihydro-[1,2,4]triazolo[1,5-a]pyrimidine-6-carboxamide chemical structure, C21H21N5O3, CAS 443329-67-7](/s/ABUYXFGRYFAUTQ-UHFFFAOYSA-N.svg)
7-(2,3-Dimethoxyphenyl)-5-methyl-N-phenyl-4,7-dihydro-[1,2,4]triazolo[1,5-a]pyrimidine-6-carboxamide
CAS 443329-67-7C21H21N5O3
![7-(2,5-Dimethoxyphenyl)-5-methyl-N-phenyl-4,7-dihydro-[1,2,4]triazolo[1,5-a]pyrimidine-6-carboxamide chemical structure, C21H21N5O3, CAS 361481-13-2](/s/RQUNMKSEGOTXHM-UHFFFAOYSA-N.svg)
7-(2,5-Dimethoxyphenyl)-5-methyl-N-phenyl-4,7-dihydro-[1,2,4]triazolo[1,5-a]pyrimidine-6-carboxamide
CAS 361481-13-2C21H21N5O3
![N-(2-Carbamoylphenyl)-1-[6-(furan-2-yl)pyridazin-3-yl]piperidine-4-carboxamide chemical structure, C21H21N5O3, CAS 1105234-02-3](/s/LBWSOSPCJUCQJR-UHFFFAOYSA-N.svg)
N-(2-Carbamoylphenyl)-1-[6-(furan-2-yl)pyridazin-3-yl]piperidine-4-carboxamide
CAS 1105234-02-3C21H21N5O3
![2-{4,6-Dioxo-5-[4-(propan-2-yl)phenyl]-1H,3aH,4H,5H,6H,6aH-pyrrolo[3,4-d][1,2,3]triazol-1-yl}-N-phenylacetamide chemical structure, C21H21N5O3, CAS 1007933-63-2](/s/PYIZVOIBLJUBDA-UHFFFAOYSA-N.svg)
2-{4,6-Dioxo-5-[4-(propan-2-yl)phenyl]-1H,3aH,4H,5H,6H,6aH-pyrrolo[3,4-d][1,2,3]triazol-1-yl}-N-phenylacetamide
CAS 1007933-63-2C21H21N5O3
N4-(2-carboxyphenyl)-N2-(4-morpholinophenyl)pyrimidine-2,4-diamine
CAS 929007-68-1C21H21N5O3
(4-Phenyltetrahydro-2H-pyran-4-yl)(3-(3-(pyrimidin-2-yl)-1,2,4-oxadiazol-5-yl)azetidin-1-yl)methanone
CAS 1331269-37-4C21H21N5O3
2-(2-Oxo-3-(p-tolyl)imidazolidin-1-yl)-N-((3-phenyl-1,2,4-oxadiazol-5-yl)methyl)acetamide
CAS 1286724-87-5C21H21N5O3
![5-Methyl-7-phenyl-N-(3,4,5-trimethoxyphenyl)imidazo[5,1-f][1,2,4]triazin-2-amine chemical structure, C21H21N5O3, CAS 774460-91-2](/s/HOOQLZPFGONGJY-UHFFFAOYSA-N.svg)
5-Methyl-7-phenyl-N-(3,4,5-trimethoxyphenyl)imidazo[5,1-f][1,2,4]triazin-2-amine
CAS 774460-91-2C21H21N5O3
9-(4-tert-Butylphenyl)-2-(5-methylfuran-2-yl)-8-oxo-7H-purine-6-carboxamide
CAS 898446-63-4C21H21N5O3
![N-(2,3-Dimethylphenyl)-2-(3,4-dioxo-8-phenyl-3,4,7,8-tetrahydroimidazo[2,1-c][1,2,4]triazin-2(6H)-yl)acetamide chemical structure, C21H21N5O3, CAS 941916-86-5](/s/INVNNWRSDJEPFY-UHFFFAOYSA-N.svg)
N-(2,3-Dimethylphenyl)-2-(3,4-dioxo-8-phenyl-3,4,7,8-tetrahydroimidazo[2,1-c][1,2,4]triazin-2(6H)-yl)acetamide
CAS 941916-86-5C21H21N5O3
![Ethyl 2-(2-(4-(3,5-dimethylisoxazol-4-yl)phenyl)imidazo[1,2-a]pyrazin-3-ylamino)acetate chemical structure, C21H21N5O3, CAS 1635437-34-1](/s/MIGPDXOBNHUZMV-UHFFFAOYSA-N.svg)
Ethyl 2-(2-(4-(3,5-dimethylisoxazol-4-yl)phenyl)imidazo[1,2-a]pyrazin-3-ylamino)acetate
CAS 1635437-34-1C21H21N5O3
![1-(3-Methylphenyl)-N-(3,4,5-trimethoxyphenyl)pyrazolo[3,4-d]pyrimidin-4-amine chemical structure, C21H21N5O3, CAS 393820-73-0](/s/SGRJXDVBTLLJSX-UHFFFAOYSA-N.svg)
1-(3-Methylphenyl)-N-(3,4,5-trimethoxyphenyl)pyrazolo[3,4-d]pyrimidin-4-amine
CAS 393820-73-0C21H21N5O3
- 2-(4-Methoxyanilino)-4-(4-methoxyphenyl)-8-methyl-1,4-dihydro-6H-pyrimido[1,2-a][1,3,5]triazin-6-one876667-43-5C21H21N5O3
- N,7-bis(2-methoxyphenyl)-5-methyl-4,7-dihydro-[1,2,4]triazolo[1,5-a]pyrimidine-6-carboxamide540502-68-9C21H21N5O3
- N-(2-Methoxyphenyl)-7-(3-methoxyphenyl)-5-methyl-4H,7H-[1,2,4]triazolo[1,5-a]pyrimidine-6-carboxamide540502-67-8C21H21N5O3
- 4-(2-Methoxyphenyl)-2-[(4-methoxyphenyl)amino]-8-methyl-1,4-dihydro-6H-pyrimido[1,2-a][1,3,5]triazin-6-one878732-37-7C21H21N5O3
- 3-Benzyl-9-(furan-2-ylmethyl)-1-methyl-6,7,8,9-tetrahydropyrimido[2,1-f]purine-2,4(1H,3H)-dione877778-94-4C21H21N5O3
- 4-(2-Methoxyphenyl)-2-[(2-methoxyphenyl)amino]-8-methyl-1,4-dihydro-6H-pyrimido[1,2-a][1,3,5]triazin-6-one903469-20-5C21H21N5O3
- (E)-4-(2-((9-Methyl-4-oxo-2-(pyrrolidin-1-yl)-4H-pyrido[1,2-a]pyrimidin-3-yl)methylene)hydrazinyl)benzoic acid380352-82-9C21H21N5O3
- 2-[5-(3,4-Dimethylphenyl)-4,6-dioxo-1H,3aH,4H,5H,6H,6aH-pyrrolo[3,4-d][1,2,3]triazol-1-yl]-N-(2-methylphenyl)acetamide1008269-48-4C21H21N5O3
- N-[4-(Acetylamino)phenyl]-5-cyclopropyl-1-(4-methoxyphenyl)-1H-1,2,3-triazole-4-carboxamide954830-02-5C21H21N5O3
- 2-[5-(3,4-Dimethylphenyl)-4,6-dioxo-4,5,6,6a-tetrahydropyrrolo[3,4-d][1,2,3]triazol-1(3aH)-yl]-N-(4-methylphenyl)acetamide1008648-11-0C21H21N5O3
- 2-(5-(4-Ethylphenyl)-4,6-dioxo-4,5,6,6a-tetrahydropyrrolo[3,4-d][1,2,3]triazol-1(3aH)-yl)-N-(o-tolyl)acetamide1008233-60-0C21H21N5O3
- 2-(1-Isopropyl-4-oxo-[1,2,4]triazolo[4,3-a]quinoxalin-5(4H)-yl)-N-(3-methoxyphenyl)acetamide1260912-23-9C21H21N5O3
- 3-(2,5-Dimethoxyphenyl)-1-methyl-N-(pyrazolo[1,5-a]pyridin-3-ylmethyl)-1H-pyrazole-5-carboxamide1396847-26-9C21H21N5O3
- 3-(2-(4-(Imidazo[1,2-a]pyridin-3-ylmethyl)piperazin-1-yl)-2-oxoethyl)benzo[d]oxazol-2(3H)-one1421451-21-9C21H21N5O3
- N-((1-(3-Cyanopyrazin-2-yl)piperidin-4-yl)methyl)-7-methoxybenzofuran-2-carboxamide1796969-65-7C21H21N5O3
- 2-[(2-Hydroxy-3,4-dihydroquinolin-7-yl)oxy]-N-[5-(2-phenylethyl)-1H-1,2,4-triazol-3-yl]acetamide1676069-67-2C21H21N5O3
- 2,7-Bis(4-methoxyphenyl)-5-methyl-4H,7H-[1,2,4]triazolo[1,5-a]pyrimidine-6-carboxamide538318-24-0C21H21N5O3
- 7-(2-Methoxyphenyl)-2-(4-methoxyphenyl)-5-methyl-4H,7H-[1,2,4]triazolo[1,5-a]pyrimidine-6-carboxamide538318-26-2C21H21N5O3
- N-Butyl-7-[(furan-2-yl)methyl]-6-imino-2-oxo-1,7,9-triazatricyclo[8.4.0.0^{3,8}]tetradeca-3(8),4,9,11,13-pentaene-5-carboxamide846580-86-7C21H21N5O3
- N-[2-(5-Methoxy-1H-indol-3-yl)ethyl]-3-(4-oxo-1,2,3-benzotriazin-3(4H)-yl)propanamide921119-69-9C21H21N5O3
- N~2~-[3-(1H-1,3-benzimidazol-2-ylamino)-3-oxopropyl]-5-methoxy-1-methyl-1H-indole-2-carboxamide1040707-95-6C21H21N5O3
- 3-(2-Ethoxyphenyl)-5-[1-(4-ethoxyphenyl)-5-methyl-1H-1,2,3-triazol-4-yl]-1,2,4-oxadiazole1251618-19-5C21H21N5O3
- N-(4-Methoxyphenyl)-2-(4-oxo-1-propyl[1,2,4]triazolo[4,3-a]quinoxalin-5(4H)-yl)acetamide1260918-01-1C21H21N5O3
- N-(2-Methoxyphenyl)-2-(4-oxo-1-propyl[1,2,4]triazolo[4,3-a]quinoxalin-5(4H)-yl)acetamide1261019-69-5C21H21N5O3
- 2-(1-Ethyl-4-oxo[1,2,4]triazolo[4,3-a]quinoxalin-5(4H)-yl)-N-(2-methoxy-5-methylphenyl)acetamide1260933-24-1C21H21N5O3
- 3-(4-Methoxy-1H-indol-1-yl)-N-[3-(2-methoxyphenyl)-1H-1,2,4-triazol-5-yl]propanamide1442080-01-4C21H21N5O3
- 3-(5-Methoxy-1H-indol-1-yl)-N-[3-(2-methoxyphenyl)-1H-1,2,4-triazol-5-yl]propanamide1442078-91-2C21H21N5O3
- N-{3-[2-(4-Methoxyphenyl)ethyl]-1H-1,2,4-triazol-5-yl}-2-(3-oxo-2,3-dihydro-1H-isoindol-1-yl)acetamide1574310-36-3C21H21N5O3
- N-[3-(4-Methoxybenzyl)-1H-1,2,4-triazol-5-yl]-5-oxo-1-phenylpyrrolidine-3-carboxamide1574516-24-7C21H21N5O3
- N-[3-(4-Methoxybenzyl)-1H-1,2,4-triazol-5-yl]-2-(4-methoxy-1H-indol-1-yl)acetamide1441912-11-3C21H21N5O3
- 8-[(1-Phenyl-5-pyridin-2-yl-1H-1,2,3-triazol-4-yl)carbonyl]-1,4-dioxa-8-azaspiro[4.5]decane1396815-92-1C21H21N5O3
- N-{2-[4-Cyclopropyl-3-(furan-2-yl)-5-oxo-4,5-dihydro-1H-1,2,4-triazol-1-yl]ethyl}-2-(1H-indol-3-yl)acetamide1797544-43-4C21H21N5O3
- 1-(Benzo[d][1,3]dioxol-5-yl)-3-(2-(5-cyclopropyl-3-(pyridin-4-yl)-1H-pyrazol-1-yl)ethyl)urea1798028-28-0C21H21N5O3
- Benzyl (2-oxo-2-(3-(4-phenyl-1H-1,2,3-triazol-1-yl)azetidin-1-yl)ethyl)carbamate2034426-07-6C21H21N5O3
- 2-(2-Methoxyphenyl)-7-(4-methoxyphenyl)-5-methyl-4,7-dihydro-[1,2,4]triazolo[1,5-a]pyrimidine-6-carboxamide538319-04-9C21H21N5O3
- 7-(2,4-Dimethoxyphenyl)-5-methyl-N-phenyl-4,7-dihydro-[1,2,4]triazolo[1,5-a]pyrimidine-6-carboxamide537003-04-6C21H21N5O3
- 1-(3-Methoxypropyl)-4-oxo-N-(pyridin-2-ylmethyl)-1,4-dihydropyrido[1,2-a]pyrrolo[2,3-d]pyrimidine-2-carboxamide902044-49-9C21H21N5O3
- 1-(3-Methoxypropyl)-4-oxo-N-(pyridin-3-ylmethyl)-1,4-dihydropyrido[1,2-a]pyrrolo[2,3-d]pyrimidine-2-carboxamide896638-64-5C21H21N5O3
- Ethyl 4-[5-[(E)-2-(1H-benzimidazol-2-yl)-2-cyanoethenyl]furan-2-yl]piperazine-1-carboxylate397288-84-5C21H21N5O3
- 2-(3,4-Dioxo-8-(p-tolyl)-3,4,7,8-tetrahydroimidazo[2,1-c][1,2,4]triazin-2(6H)-yl)-N-methyl-N-phenylacetamide941937-04-8C21H21N5O3
- N-(1-(tert-Butyl)-4-oxo-1H-pyrazolo[3,4-d]pyrimidin-5(4H)-yl)-2-(naphthalen-2-yloxy)acetamide899995-64-3C21H21N5O3
- 2-[4-(1H-Indol-2-ylcarbonyl)piperazin-1-yl]-2-oxo-N-(pyridin-4-ylmethyl)acetamide1081144-09-3C21H21N5O3
- 2-[4-(1H-Indol-2-ylcarbonyl)piperazin-1-yl]-2-oxo-N-(pyridin-2-ylmethyl)acetamide1081147-87-6C21H21N5O3
- [4-(3-Cyanopyridin-2-yl)piperazin-1-yl](5-methoxy-1H-indol-3-yl)acetic acid1144465-03-1C21H21N5O3
- Methyl 1-[3-[4-(2-pyridinylamino)phenoxy]-2-pyrazinyl]-3-pyrrolidinecarboxylate1231921-53-1C21H21N5O3
- Methyl 4-methyl-3-({[4-(pyridin-3-yl)-1,4,6,7-tetrahydro-5H-imidazo[4,5-c]pyridin-5-yl]carbonyl}amino)benzoate1219569-77-3C21H21N5O3
- 5-(3,4-Dimethoxyphenyl)-3-(5-methyl-1-(4-methylbenzyl)-1H-1,2,3-triazol-4-yl)-1,2,4-oxadiazole1251625-19-0C21H21N5O3
- 1-(2-(2,3-Dihydro-1H-benzo[d]imidazo[1,2-a]imidazol-1-yl)-2-oxoethyl)-3-(2-methoxyphenyl)imidazolidin-2-one1251688-57-9C21H21N5O3
- (4-Phenyltetrahydro-2H-pyran-4-yl)(3-(3-(pyrazin-2-yl)-1,2,4-oxadiazol-5-yl)azetidin-1-yl)methanone1324108-22-6C21H21N5O3
- N-(3-Methoxyphenyl)-2-(4-oxo-1-propyl-[1,2,4]triazolo[4,3-a]quinoxalin-5(4H)-yl)acetamide1359205-41-6C21H21N5O3
- N-(2-Methoxyphenyl)-2-[4-oxo-1-(propan-2-yl)-4H,5H-[1,2,4]triazolo[4,3-a]quinoxalin-5-yl]acetamide1359149-91-9C21H21N5O3
- 2-(1-Isopropyl-4-oxo-[1,2,4]triazolo[4,3-a]quinoxalin-5(4H)-yl)-N-(4-methoxyphenyl)acetamide1357797-60-4C21H21N5O3
- N-[2-(4-Methoxy-1H-indol-1-yl)ethyl]-3-(4-oxo-1,2,3-benzotriazin-3(4H)-yl)propanamide1324066-78-5C21H21N5O3
- N-[2-(5-Methoxy-1H-indol-1-yl)ethyl]-3-(4-oxo-1,2,3-benzotriazin-3(4H)-yl)propanamide1374515-95-3C21H21N5O3
- 2-(2-Methoxyethyl)-1-oxo-N-[2-([1,2,4]triazolo[4,3-a]pyridin-3-yl)ethyl]-1,2-dihydroisoquinoline-4-carboxamide1374529-82-4C21H21N5O3
- 3-(1,3-Dioxo-1,3-dihydro-2H-pyrrolo[3,4-c]pyridin-2-yl)-N-[(1-isopropyl-1H-1,3-benzimidazol-2-yl)methyl]propanamide1435996-71-6C21H21N5O3
- 1-(2-Methoxyethyl)-N-[3-(2-methoxyphenyl)-1H-1,2,4-triazol-5-yl]-1H-indole-4-carboxamide1442079-67-5C21H21N5O3
- 3-(5,7-Dioxo-5,7-dihydro-6H-pyrrolo[3,4-b]pyridin-6-yl)-N-{[1-(propan-2-yl)-1H-benzimidazol-2-yl]methyl}propanamide1574353-65-3C21H21N5O3
- N-((1-(3-Cyanopyridin-2-yl)piperidin-4-yl)methyl)-2-(2-oxobenzo[d]oxazol-3(2H)-yl)acetamide2034238-24-7C21H21N5O3
- 1-Cyclopropyl-6-methyl-4-((1-(2-phenyl-2H-1,2,3-triazole-4-carbonyl)azetidin-3-yl)oxy)pyridin-2(1H)-one2034387-49-8C21H21N5O3
- 4-((1-(1-Methyl-3-phenyl-1H-pyrazole-5-carbonyl)pyrrolidin-3-yl)oxy)picolinamide2034619-15-1C21H21N5O3
- 2-(2-(4-(6,7-Dihydro-5H-cyclopenta[c]pyridazin-3-yl)piperazin-1-yl)-2-oxoethyl)isoindoline-1,3-dione2034565-72-3C21H21N5O3
- N-(2-Ethoxyphenyl)-2-[2-(4-methylphenyl)-5-oxo-5,6-dihydro-4H-imidazo[1,2-b][1,2,4]triazol-6-yl]acetamide1158273-89-2C21H21N5O3
- 4H-(1,2,4)Triazino(3,4-a)phthalazin-4-one, 7-((2-hydroxypropyl)methylamino)-3-(4-methoxyphenyl)-126650-81-5C21H21N5O3
- 2-[1-(2,4-Dimethylphenyl)-4-methyl-7-oxo-1H,6H,7H-pyrazolo[3,4-d]pyridazin-6-yl]-N-[(furan-2-yl)methyl]acetamide941884-75-9C21H21N5O3
- 2-(1-(3,4-Dimethylphenyl)-4-methyl-7-oxo-1H-pyrazolo[3,4-d]pyridazin-6(7H)-yl)-N-(furan-2-ylmethyl)acetamide941915-64-6C21H21N5O3
- N-(2-Methoxyphenethyl)-4-oxo-8-phenyl-4,6,7,8-tetrahydroimidazo[2,1-c][1,2,4]triazine-3-carboxamide946310-55-0C21H21N5O3
- N-(4-Methoxyphenethyl)-4-oxo-8-phenyl-4,6,7,8-tetrahydroimidazo[2,1-c][1,2,4]triazine-3-carboxamide946279-12-5C21H21N5O3
- N-(3-Methoxyphenethyl)-4-oxo-8-phenyl-4,6,7,8-tetrahydroimidazo[2,1-c][1,2,4]triazine-3-carboxamide946360-29-8C21H21N5O3
- 8-(4-Methoxyphenyl)-N-(4-methylbenzyl)-4-oxo-4,6,7,8-tetrahydroimidazo[2,1-c][1,2,4]triazine-3-carboxamide946361-12-2C21H21N5O3
- 8-(4-Methoxyphenyl)-4-oxo-N-(1-phenylethyl)-4H,6H,7H,8H-imidazo[2,1-c][1,2,4]triazine-3-carboxamide952821-73-7C21H21N5O3
- 8-(4-Methoxyphenyl)-4-oxo-N-phenethyl-4,6,7,8-tetrahydroimidazo[2,1-c][1,2,4]triazine-3-carboxamide946230-37-1C21H21N5O3
- N-(2,5-Dimethylphenyl)-2-(3,4-dioxo-8-phenyl-3,4,7,8-tetrahydroimidazo[2,1-c][1,2,4]triazin-2(6H)-yl)acetamide941975-61-7C21H21N5O3
- N-(2,4-Dimethylphenyl)-2-(3,4-dioxo-8-phenyl-3,4,7,8-tetrahydroimidazo[2,1-c][1,2,4]triazin-2(6H)-yl)acetamide942011-43-0C21H21N5O3
- 2-(3,4-Dioxo-8-(p-tolyl)-3,4,7,8-tetrahydroimidazo[2,1-c][1,2,4]triazin-2(6H)-yl)-N-(o-tolyl)acetamide941936-65-8C21H21N5O3
- 2-Oxo-N-((4-oxo-3,4-dihydrophthalazin-1-yl)methyl)-2-(4-phenylpiperazin-1-yl)acetamide923244-88-6C21H21N5O3
Frequently asked questions
What is the molar mass of C21H21N5O3?
The molar mass of C21H21N5O3 is 391.43 g/mol, calculated from standard atomic weights for 21 carbon atoms, 21 hydrogen atoms, 5 nitrogen atoms and 3 oxygen atoms. The monoisotopic mass is 391.1644 Da.
How many compounds have the formula C21H21N5O3?
CompoundList lists 169 compounds with the molecular formula C21H21N5O3, including N-(2-Furylmethyl)-2-imino-10-methyl-5-oxo-1-propyl-1,5-dihydro-2H-dipyrido[1,2-A:2,3-D]pyrimidine-3-carboxamide, 1-sec-Butyl-N-(2-furylmethyl)-2-imino-5-oxo-1,5-dihydro-2H-dipyrido[1,2-A:2,3-D]pyrimidine-3-carboxamide, 7-Benzyl-8-((4-methoxybenzyl)amino)-3-methyl-1H-purine-2,6(3H,7H)-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 C21H21N5O3?
C21H21N5O3 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.