Molecular formula
C21H21N5O2
186 compounds have this formula on CompoundList.
- Molar mass
- 375.43g/mol
- Monoisotopic mass
- 375.1695Da
- Atoms
- 49
- Elements
- 4
- Rings plus double bonds
- 14
The formula C21H21N5O2 describes a molecule made of 21 carbon atoms, 21 hydrogen atoms, 5 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 × 2167.18%12.011 × 21 = 252.231 g/mol
- H Hydrogen × 215.64%1.008 × 21 = 21.168 g/mol
- N Nitrogen × 518.65%14.007 × 5 = 70.035 g/mol
- O Oxygen × 28.52%15.999 × 2 = 31.998 g/mol
Look up another formula
Compounds with the formula C21H21N5O2
Isomers we list, best known first. Open one to see its structure, properties, safety data and suppliers.
Showing 101 to 186 of 186 compounds
![2-(1H-Indol-3-yl)-N-{3-[2-(4-methoxyphenyl)ethyl]-1H-1,2,4-triazol-5-yl}acetamide chemical structure, C21H21N5O2, CAS 1574484-49-3](/s/ICDHGJAYJWPGJL-UHFFFAOYSA-N.svg)
2-(1H-Indol-3-yl)-N-{3-[2-(4-methoxyphenyl)ethyl]-1H-1,2,4-triazol-5-yl}acetamide
CAS 1574484-49-3C21H21N5O2
(E)-3-(Furan-2-yl)-N-(2-(4-phenylpiperazin-1-yl)pyrimidin-5-yl)acrylamide
CAS 1396892-19-5C21H21N5O2
![3-(1H-Indol-3-yl)-N-[2-(2-methyl-4-oxopyrido[2,3-d]pyrimidin-3(4H)-yl)ethyl]propanamide chemical structure, C21H21N5O2, CAS 1574477-27-2](/s/JMHLJVZCISSPAY-UHFFFAOYSA-N.svg)
3-(1H-Indol-3-yl)-N-[2-(2-methyl-4-oxopyrido[2,3-d]pyrimidin-3(4H)-yl)ethyl]propanamide
CAS 1574477-27-2C21H21N5O2
![(4-(1H-Pyrrol-1-yl)phenyl)(2-morpholino-5H-pyrrolo[3,4-d]pyrimidin-6(7H)-yl)methanone chemical structure, C21H21N5O2, CAS 2034370-71-1](/s/LNOLEKSIYQEHQK-UHFFFAOYSA-N.svg)
(4-(1H-Pyrrol-1-yl)phenyl)(2-morpholino-5H-pyrrolo[3,4-d]pyrimidin-6(7H)-yl)methanone
CAS 2034370-71-1C21H21N5O2
![5-[3-[(2-Phenylacetyl)amino]-1-pyrrolidinyl]-8-quinazolinecarboxamide chemical structure, C21H21N5O2, CAS 1445782-33-1](/s/PDVFGRQBHKQZEN-UHFFFAOYSA-N.svg)
5-[3-[(2-Phenylacetyl)amino]-1-pyrrolidinyl]-8-quinazolinecarboxamide
CAS 1445782-33-1C21H21N5O2
N-(1H-Benzimidazol-5-yl)-6-(4-oxoquinazolin-3(4H)-yl)hexanamide
CAS 1630823-16-3C21H21N5O2
![N-[3-(2-Methoxyphenyl)-1H-1,2,4-triazol-5-yl]-1-(propan-2-yl)-1H-indole-3-carboxamide chemical structure, C21H21N5O2, CAS 1630853-03-0](/s/YABYELXNCOWWTR-UHFFFAOYSA-N.svg)
N-[3-(2-Methoxyphenyl)-1H-1,2,4-triazol-5-yl]-1-(propan-2-yl)-1H-indole-3-carboxamide
CAS 1630853-03-0C21H21N5O2
4,6-Dimethoxy-N1-(4-(1-methyl-1H-indol-3-yl)pyrimidin-2-yl)benzene-1,3-diamine
CAS 1942853-79-3C21H21N5O2
![2-(5-Oxo-2-phenyl-5,6-dihydro-4H-imidazo[1,2-b][1,2,4]triazol-6-yl)-N-[4-(propan-2-yl)phenyl]acetamide chemical structure, C21H21N5O2, CAS 1158238-67-5](/s/SOTVGTCUSDLNFI-UHFFFAOYSA-N.svg)
2-(5-Oxo-2-phenyl-5,6-dihydro-4H-imidazo[1,2-b][1,2,4]triazol-6-yl)-N-[4-(propan-2-yl)phenyl]acetamide
CAS 1158238-67-5C21H21N5O2
![6-(2-(1H-Pyrrol-1-yl)benzyl)-1-(tetrahydro-2H-pyran-4-yl)-1,5-dihydro-4H-pyrazolo[3,4-d]pyrimidin-4-one chemical structure, C21H21N5O2, CAS 1283622-29-6](/s/QFLBFTRRZFIVLJ-UHFFFAOYSA-N.svg)
6-(2-(1H-Pyrrol-1-yl)benzyl)-1-(tetrahydro-2H-pyran-4-yl)-1,5-dihydro-4H-pyrazolo[3,4-d]pyrimidin-4-one
CAS 1283622-29-6C21H21N5O2
![6-[(2,5-Dimethylphenyl)methyl]-3-(4-ethoxyphenyl)triazolo[4,5-d]pyrimidin-7-one chemical structure, C21H21N5O2, CAS 887215-81-8](/s/BLVODRQCERXRCW-UHFFFAOYSA-N.svg)
6-[(2,5-Dimethylphenyl)methyl]-3-(4-ethoxyphenyl)triazolo[4,5-d]pyrimidin-7-one
CAS 887215-81-8C21H21N5O2
![N-[2-(1H-Indol-3-yl)ethyl]-4-(4-oxo-1,2,3-benzotriazin-3(4H)-yl)butanamide chemical structure, C21H21N5O2, CAS 919729-37-6](/s/WYMMVGJCIURPNC-UHFFFAOYSA-N.svg)
N-[2-(1H-Indol-3-yl)ethyl]-4-(4-oxo-1,2,3-benzotriazin-3(4H)-yl)butanamide
CAS 919729-37-6C21H21N5O2
![4-Oxo-8-phenyl-N-(3-phenylpropyl)-4,6,7,8-tetrahydroimidazo[2,1-c][1,2,4]triazine-3-carboxamide chemical structure, C21H21N5O2, CAS 946360-25-4](/s/OVYKPEIHHJNUPE-UHFFFAOYSA-N.svg)
4-Oxo-8-phenyl-N-(3-phenylpropyl)-4,6,7,8-tetrahydroimidazo[2,1-c][1,2,4]triazine-3-carboxamide
CAS 946360-25-4C21H21N5O2
![1-[(1,5-Diphenyl-1,2,4-triazol-3-yl)carbonyl]piperidine-4-carboxamide chemical structure, C21H21N5O2, CAS 884973-77-7](/s/FTCQYFXRYWPUJT-UHFFFAOYSA-N.svg)
1-[(1,5-Diphenyl-1,2,4-triazol-3-yl)carbonyl]piperidine-4-carboxamide
CAS 884973-77-7C21H21N5O2
![3-(2,4-Dimethylpyrimido[1,2-b]indazol-3-yl)-N-(6-methoxypyridin-3-yl)propanamide chemical structure, C21H21N5O2, CAS 1401542-20-8](/s/OMGFOXHFFKVXFU-UHFFFAOYSA-N.svg)
3-(2,4-Dimethylpyrimido[1,2-b]indazol-3-yl)-N-(6-methoxypyridin-3-yl)propanamide
CAS 1401542-20-8C21H21N5O2
![N-(4-Methylbenzyl)-4-oxo-8-(p-tolyl)-4,6,7,8-tetrahydroimidazo[2,1-c][1,2,4]triazine-3-carboxamide chemical structure, C21H21N5O2, CAS 946279-47-6](/s/LSCXDZKLVLHXFE-UHFFFAOYSA-N.svg)
N-(4-Methylbenzyl)-4-oxo-8-(p-tolyl)-4,6,7,8-tetrahydroimidazo[2,1-c][1,2,4]triazine-3-carboxamide
CAS 946279-47-6C21H21N5O2
![1-Benzyl-5-oxo-N-[4-(1H-1,2,4-triazol-1-ylmethyl)phenyl]pyrrolidine-3-carboxamide chemical structure, C21H21N5O2, CAS 1081146-54-4](/s/GFZZMOKIRRCSAO-UHFFFAOYSA-N.svg)
1-Benzyl-5-oxo-N-[4-(1H-1,2,4-triazol-1-ylmethyl)phenyl]pyrrolidine-3-carboxamide
CAS 1081146-54-4C21H21N5O2
![4-Oxo-N-(1-phenylethyl)-8-(p-tolyl)-4,6,7,8-tetrahydroimidazo[2,1-c][1,2,4]triazine-3-carboxamide chemical structure, C21H21N5O2, CAS 946360-65-2](/s/XWEDNUSVEVDEQP-UHFFFAOYSA-N.svg)
4-Oxo-N-(1-phenylethyl)-8-(p-tolyl)-4,6,7,8-tetrahydroimidazo[2,1-c][1,2,4]triazine-3-carboxamide
CAS 946360-65-2C21H21N5O2
![N-(2-Ethyl-6-methylphenyl)-2-{7-methyl-3-oxo-2H,3H-[1,2,4]triazolo[4,3-c]quinazolin-2-yl}acetamide chemical structure, C21H21N5O2, CAS 1207026-72-9](/s/OEZRUGOBIXJGAJ-UHFFFAOYSA-N.svg)
N-(2-Ethyl-6-methylphenyl)-2-{7-methyl-3-oxo-2H,3H-[1,2,4]triazolo[4,3-c]quinazolin-2-yl}acetamide
CAS 1207026-72-9C21H21N5O2
(Z)-1-(4-(5-(5-Methyl-1,2,4-oxadiazol-3-yl)pyridin-2-yl)piperazin-1-yl)-3-phenylprop-2-en-1-one
CAS 1219915-26-0C21H21N5O2
![N-Mesityl-2-(1-methyl-4-oxo-[1,2,4]triazolo[4,3-a]quinoxalin-5(4H)-yl)acetamide chemical structure, C21H21N5O2, CAS 1357974-40-3](/s/NMJGXUNHPBGCQL-UHFFFAOYSA-N.svg)
N-Mesityl-2-(1-methyl-4-oxo-[1,2,4]triazolo[4,3-a]quinoxalin-5(4H)-yl)acetamide
CAS 1357974-40-3C21H21N5O2
![2-{1-Ethyl-4-oxo-4H,5H-[1,2,4]triazolo[4,3-a]quinoxalin-5-yl}-N-(3-ethylphenyl)acetamide chemical structure, C21H21N5O2, CAS 1359320-05-0](/s/ULOGJNRMCUVKIW-UHFFFAOYSA-N.svg)
2-{1-Ethyl-4-oxo-4H,5H-[1,2,4]triazolo[4,3-a]quinoxalin-5-yl}-N-(3-ethylphenyl)acetamide
CAS 1359320-05-0C21H21N5O2
![N-(2,4-Dimethylphenyl)-2-(1-ethyl-4-oxo-[1,2,4]triazolo[4,3-a]quinoxalin-5(4H)-yl)acetamide chemical structure, C21H21N5O2, CAS 1357797-47-7](/s/ZXRJSYBNTFLUEP-UHFFFAOYSA-N.svg)
N-(2,4-Dimethylphenyl)-2-(1-ethyl-4-oxo-[1,2,4]triazolo[4,3-a]quinoxalin-5(4H)-yl)acetamide
CAS 1357797-47-7C21H21N5O2
![N-(2,5-Dimethylphenyl)-2-(1-ethyl-4-oxo-[1,2,4]triazolo[4,3-a]quinoxalin-5(4H)-yl)acetamide chemical structure, C21H21N5O2, CAS 1358637-05-4](/s/NPKKIRCNXJIQPK-UHFFFAOYSA-N.svg)
N-(2,5-Dimethylphenyl)-2-(1-ethyl-4-oxo-[1,2,4]triazolo[4,3-a]quinoxalin-5(4H)-yl)acetamide
CAS 1358637-05-4C21H21N5O2
- N-(3,4-Dimethylphenyl)-2-(1-ethyl-4-oxo-[1,2,4]triazolo[4,3-a]quinoxalin-5(4H)-yl)acetamide1359319-67-7C21H21N5O2
- 2-(4-Oxo-1-propyl-[1,2,4]triazolo[4,3-a]quinoxalin-5(4H)-yl)-N-(o-tolyl)acetamide1358780-46-7C21H21N5O2
- 1-(3-(3-(4-(Pyridin-2-ylamino)phenoxy)pyrazin-2-yl)pyrrolidin-1-yl)ethanone1231924-25-6C21H21N5O2
- (8-Methoxy-1,3,4,5-tetrahydro-2H-pyrido[4,3-b]indol-2-yl)[1-methyl-5-(1H-pyrrol-1-yl)-1H-pyrazol-4-yl]methanone1351686-33-3C21H21N5O2
- 1-{2-Oxo-2-[4-(pyridin-2-yl)piperazin-1-yl]ethyl}-5-phenylpyrazin-2(1H)-one1374540-17-6C21H21N5O2
- 3-(4-Methoxy-1H-indol-1-yl)-N-[4-(1H-1,2,4-triazol-1-ylmethyl)phenyl]propanamide1351682-72-8C21H21N5O2
- 1-(2-Methoxyethyl)-N-[4-(1H-1,2,4-triazol-1-ylmethyl)phenyl]-1H-indole-5-carboxamide1435908-24-9C21H21N5O2
- 1-(2-Methoxyethyl)-N-[4-(1H-1,2,4-triazol-1-ylmethyl)phenyl]-1H-indole-4-carboxamide1401576-22-4C21H21N5O2
- 5-Oxo-1-phenyl-N-{2-[3-(pyridin-2-yl)-1H-pyrazol-1-yl]ethyl}pyrrolidine-3-carboxamide1448060-51-2C21H21N5O2
- 3-(1H-Indol-3-yl)-N-[5-(4-methoxybenzyl)-1H-1,2,4-triazol-3-yl]propanamide1574470-60-2C21H21N5O2
- N-[2-(1H-Benzimidazol-2-yl)ethyl]-3-(4-methoxyphenyl)-1-methyl-1H-pyrazole-5-carboxamide1574483-24-1C21H21N5O2
- N-(2-(4-Cyclopropyl-5-oxo-3-(pyridin-3-yl)-4,5-dihydro-1H-1,2,4-triazol-1-yl)ethyl)cinnamamide1799254-43-5C21H21N5O2
- N-{4-[3-(4-Phenyl-1H-1,2,3-triazol-1-yl)pyrrolidine-1-carbonyl]phenyl}acetamide2034424-27-4C21H21N5O2
- N-(4-{2-Oxo-2-[3-(4-phenyl-1H-1,2,3-triazol-1-yl)azetidin-1-yl]ethyl}phenyl)acetamide2034524-03-1C21H21N5O2
- N-[4-Methyl-3-(2-morpholin-4-yl-4-pyridinyl)phenyl]pyridazine-3-carboxamide1628837-12-6C21H21N5O2
- N-[4-Methyl-3-(2-morpholin-4-yl-4-pyridinyl)phenyl]pyridazine-4-carboxamide1628837-22-8C21H21N5O2
- N-[4-Methyl-3-(2-morpholin-4-yl-4-pyridinyl)phenyl]pyrazine-2-carboxamide1628837-18-2C21H21N5O2
- 3-({1-[2-(1-Methyl-1H-indol-3-yl)acetyl]piperidin-3-yl}oxy)pyrazine-2-carbonitrile2034502-67-3C21H21N5O2
- N-{5-[3-(1H-indol-3-yl)propyl]-1H-1,2,4-triazol-3-yl}-4-methoxybenzamide1676073-97-4C21H21N5O2
- (4-(6-Cyclopropylpyridazin-3-yl)piperazin-1-yl)(5-phenylisoxazol-3-yl)methanone2034233-63-9C21H21N5O2
- N-(3-Methyl-1-(1H-1,2,4-triazol-1-yl)butan-2-yl)-3-phenylbenzo[c]isoxazole-5-carboxamide2034382-22-2C21H21N5O2
- 5-Pyrimidinepropanamide, 1,6-dihydro-2,4-dimethyl-6-oxo-N-[4-(2-phenyldiazenyl)phenyl]-1009898-69-4C21H21N5O2
- (4-Methoxy-1H-indol-2-yl)[3-([1,2,4]triazolo[4,3-a]pyridin-3-yl)piperidin-1-yl]methanone1010913-25-3C21H21N5O2
- 2-[3-(Dimethylamino)propyl]-8-(2-pyridinyl)pyrido[4,3-b][1,6]naphthyridine-1,9(2H,8H)-dione1158449-48-9C21H21N5O2
- 1-(2-Methoxyphenyl)-2,5-dimethyl-N-([1,2,4]triazolo[4,3-a]pyridin-3-ylmethyl)-1H-pyrrole-3-carboxamide1435997-77-5C21H21N5O2
- (Z)-3-Phenyl-1-(3-((3-(pyrazin-2-yl)-1,2,4-oxadiazol-5-yl)methyl)piperidin-1-yl)prop-2-en-1-one1706503-59-4C21H21N5O2
- 6-Phenyl-2-{[1-(pyrazine-2-carbonyl)piperidin-4-yl]methyl}-2,3-dihydropyridazin-3-one2097922-14-8C21H21N5O2
- 4-(Morpholin-4-yl)-N-{[3-(pyridin-3-yl)pyrazin-2-yl]methyl}benzamide2097915-04-1C21H21N5O2
- N'-[(6E)-6-(6-Oxocyclohexa-2,4-dien-1-ylidene)-4-phenyl-1,6-dihydropyrimidin-2-yl]morpholine-4-carboximidamide52872-50-1C21H21N5O2
- (Z)-N-(3-Cyclopropyl-1-(4,5-dimethyl-6-oxo-1,6-dihydropyrimidin-2-yl)-1H-pyrazol-5-yl)-3-phenylacrylamide1203432-48-7C21H21N5O2
- 3-{4-[(7-Methoxy-4-oxo-3,4-dihydroquinazolin-3-yl)methyl]piperidin-1-yl}pyridine-4-carbonitrile2549040-46-0C21H21N5O2
- 6-{4-[(7-Methoxy-4-oxo-3,4-dihydroquinazolin-3-yl)methyl]piperidin-1-yl}pyridine-2-carbonitrile2548979-73-1C21H21N5O2
- Butyl 2-amino-1-[(pyridin-2-yl)methyl]-1H-pyrrolo[2,3-b]quinoxaline-3-carboxylate731815-79-5C21H21N5O2
- N-(5-Carbamoyl-2-(pyrrolidin-1-yl)phenyl)-1-phenyl-1H-pyrazole-4-carboxamide1007720-66-2C21H21N5O2
- N-[6-(3,4-Dihydroisoquinolin-2(1H)-yl)-2-(pyridin-2-yl)pyrimidin-4-yl]-beta-alanine1373422-55-9C21H21N5O2
- 3-[4-[(1-Phenyl-1H-pyrazol-5-yl)carbonyl]-1-piperazinyl]benzamide756753-28-3C21H21N5O2
- [4-[4-Amino-6-(3-aminophenoxy)-5-pyrimidinyl]phenyl]-1-pyrrolidinylmethanone1415825-55-6C21H21N5O2
- 4-[[4-[(1,3-Dicyclopropyl-1H-pyrazol-4-yl)oxy]-2-pyridinyl]amino]benzamide1898283-70-9C21H21N5O2
- 4-Phenyl-6-{[1-(pyrazine-2-carbonyl)piperidin-4-yl]methoxy}pyrimidine2380008-76-2C21H21N5O2
- 2-(1-{5H,6H,7H-Cyclopenta[d]pyrimidin-4-yl}azetidin-3-yl)-6-(2-methoxyphenyl)-2,3-dihydropyridazin-3-one2380086-53-1C21H21N5O2
- 2-{1-[3-(Dimethylamino)benzoyl]azetidin-3-yl}-6-(pyridin-4-yl)-2,3-dihydropyridazin-3-one2380080-88-4C21H21N5O2
- 2-[1-(6-Cyclopropylpyrimidin-4-yl)azetidin-3-yl]-6-(2-methoxyphenyl)-2,3-dihydropyridazin-3-one2380192-20-9C21H21N5O2
- [4-(6-Amino-3-pyridazinyl)-1-piperazinyl](4-phenoxyphenyl)methanone2374907-79-4C21H21N5O2
- 2-Benzyl-5-{2,5-dimethylpyrazolo[1,5-a]pyrimidin-7-yl}-octahydropyrrolo[3,4-c]pyrrole-1,3-dione2415632-53-8C21H21N5O2
- 6-(Phenylamino)-2-(4-phenylpiperazin-1-yl)pyrimidine-4-carboxylic acid1260740-62-2C21H21N5O2
- N-{2-[(3-Cyano-6-methylquinolin-2-yl)amino]ethyl}-N-(2-methoxyphenyl)urea606105-36-6C21H21N5O2
- N-{2-[(3-Cyano-6-methylquinolin-2-yl)amino]ethyl}-N-(4-methoxyphenyl)urea606105-34-4C21H21N5O2
- N-{2-[(3-Cyano-6-methylquinolin-2-yl)amino]ethyl}-N-(3-methoxyphenyl)urea606105-32-2C21H21N5O2
- N-{2-[(3-Cyano-8-methylquinolin-2-yl)amino]ethyl}-N-(2-methoxyphenyl)urea606104-98-7C21H21N5O2
- N-{2-[(3-Cyano-8-methylquinolin-2-yl)amino]ethyl}-N-(4-methoxyphenyl)urea606104-96-5C21H21N5O2
- N-{2-[(3-Cyano-8-methylquinolin-2-yl)amino]ethyl}-N-(3-methoxyphenyl)urea606104-94-3C21H21N5O2
- 2-Butyl-1-[(4-nitrophenyl)methyl]imidazo[4,5-c]quinolin-4-amine1610431-20-3C21H21N5O2
- 4-(2-Morpholin-4-yl-7-pyridin-4-yl-5,6-dihydropyrrolo[2,3-d]pyrimidin-4-yl)phenol1007206-73-6C21H21N5O2
- 2-(3-{[(6-Cyclopropylpyridazin-3-yl)oxy]methyl}pyrrolidine-1-carbonyl)quinoxaline2548994-07-4C21H21N5O2
- 2-[4-({Imidazo[1,2-b]pyridazin-6-yloxy}methyl)piperidine-1-carbonyl]indolizine2549043-01-6C21H21N5O2
- 3-[4-({Imidazo[1,2-b]pyridazin-6-yloxy}methyl)piperidine-1-carbonyl]-1H-indole2548987-12-6C21H21N5O2
- 2-{4-[(7-Methoxy-4-oxo-3,4-dihydroquinazolin-3-yl)methyl]piperidin-1-yl}pyridine-3-carbonitrile2548992-35-2C21H21N5O2
- 3-{4-[(7-Methoxy-4-oxo-3,4-dihydroquinazolin-3-yl)methyl]piperidin-1-yl}pyridine-2-carbonitrile2548997-60-8C21H21N5O2
- 3-{[1-(5-Methylpyrazine-2-carbonyl)pyrrolidin-3-yl]methoxy}-6-phenylpyridazine2548994-23-4C21H21N5O2
- 6-Phenyl-5-{4-[2-(pyridin-3-yl)acetyl]piperazin-1-yl}-2,3-dihydropyridazin-3-one2548996-07-0C21H21N5O2
- 6,7-Dimethoxy-4-[3-(2-methyl-1H-1,3-benzodiazol-1-yl)azetidin-1-yl]quinazoline2770631-83-7C21H21N5O2
- 2-(4-{Pyrido[3,4-d]pyrimidin-4-yl}morpholine-2-carbonyl)-1,2,3,4-tetrahydroisoquinoline3054635-16-1C21H21N5O2
Frequently asked questions
What is the molar mass of C21H21N5O2?
The molar mass of C21H21N5O2 is 375.43 g/mol, calculated from standard atomic weights for 21 carbon atoms, 21 hydrogen atoms, 5 nitrogen atoms and 2 oxygen atoms. The monoisotopic mass is 375.1695 Da.
How many compounds have the formula C21H21N5O2?
CompoundList lists 186 compounds with the molecular formula C21H21N5O2, including 2-(1H-Indol-3-yl)-N-{3-[2-(4-methoxyphenyl)ethyl]-1H-1,2,4-triazol-5-yl}acetamide, (E)-3-(Furan-2-yl)-N-(2-(4-phenylpiperazin-1-yl)pyrimidin-5-yl)acrylamide, 3-(1H-Indol-3-yl)-N-[2-(2-methyl-4-oxopyrido[2,3-d]pyrimidin-3(4H)-yl)ethyl]propanamide. 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 C21H21N5O2?
C21H21N5O2 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.