Molecular formula
C20H19N5O4
81 compounds have this formula on CompoundList.
- Molar mass
- 393.40g/mol
- Monoisotopic mass
- 393.1437Da
- Atoms
- 48
- Elements
- 4
- Rings plus double bonds
- 14
The formula C20H19N5O4 describes a molecule made of 20 carbon atoms, 19 hydrogen atoms, 5 nitrogen atoms and 4 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 × 2061.06%12.011 × 20 = 240.220 g/mol
- H Hydrogen × 194.87%1.008 × 19 = 19.152 g/mol
- N Nitrogen × 517.80%14.007 × 5 = 70.035 g/mol
- O Oxygen × 416.27%15.999 × 4 = 63.996 g/mol
Look up another formula
Compounds with the formula C20H19N5O4
Isomers we list, best known first. Open one to see its structure, properties, safety data and suppliers.
Showing 1 to 81 of 81 compounds
![N-(2-Furylmethyl)-2-imino-1-(2-methoxyethyl)-5-oxo-1,5-dihydro-2H-dipyrido[1,2-A:2,3-D]pyrimidine-3-carboxamide chemical structure, C20H19N5O4, CAS 370586-42-8](/s/QLONHPGZNDYKPF-UHFFFAOYSA-N.svg)
N-(2-Furylmethyl)-2-imino-1-(2-methoxyethyl)-5-oxo-1,5-dihydro-2H-dipyrido[1,2-A:2,3-D]pyrimidine-3-carboxamide
CAS 370586-42-8C20H19N5O4
(2S)-2-((((9H-Fluoren-9-yl)methoxy)carbonyl)amino)-4-(1H-1,2,3,4-tetrazol-5-yl)butanoic acid
CAS 954147-36-5C20H19N5O4
![[2-Oxo-2-[(3-oxo-1-phenylbutan-2-yl)amino]ethyl] 4-(tetrazol-1-yl)benzoate chemical structure, C20H19N5O4, CAS 791082-36-5](/s/HWOBLNSOASJCOW-UHFFFAOYSA-N.svg)
[2-Oxo-2-[(3-oxo-1-phenylbutan-2-yl)amino]ethyl] 4-(tetrazol-1-yl)benzoate
CAS 791082-36-5C20H19N5O4
![N-(Furan-2-ylmethyl)-1-(3-hydroxypropyl)-2-imino-5-oxo-1,5-dihydro-2H-dipyrido[1,2-a:2',3'-d]pyrimidine-3-carboxamide chemical structure, C20H19N5O4, CAS 685122-02-5](/s/ZJZSBYWUHZLLJV-UHFFFAOYSA-N.svg)
N-(Furan-2-ylmethyl)-1-(3-hydroxypropyl)-2-imino-5-oxo-1,5-dihydro-2H-dipyrido[1,2-a:2',3'-d]pyrimidine-3-carboxamide
CAS 685122-02-5C20H19N5O4
3-(2-Ethoxyphenyl)-N'-(1-(4-nitrophenyl)ethylidene)-1H-pyrazole-5-carbohydrazide
CAS 302917-90-4C20H19N5O4
![2-Furancarboxamide, 5-nitro-N-[3-[4-(2-pyridinyl)-1-piperazinyl]phenyl]- chemical structure, C20H19N5O4, CAS 831203-67-9](/s/IPPIEKDMVGHMNA-UHFFFAOYSA-N.svg)
2-Furancarboxamide, 5-nitro-N-[3-[4-(2-pyridinyl)-1-piperazinyl]phenyl]-
CAS 831203-67-9C20H19N5O4
![2-Furancarboxamide, 5-nitro-N-[4-[4-(2-pyridinyl)-1-piperazinyl]phenyl]- chemical structure, C20H19N5O4, CAS 831203-62-4](/s/NCISQABSNSKCAV-UHFFFAOYSA-N.svg)
2-Furancarboxamide, 5-nitro-N-[4-[4-(2-pyridinyl)-1-piperazinyl]phenyl]-
CAS 831203-62-4C20H19N5O4
![{4-[3'-(3,4-Dimethoxyphenyl)-5,5'-bi-1,2,4-oxadiazol-3-yl]phenyl}dimethylamine chemical structure, C20H19N5O4, CAS 1775480-95-9](/s/CHGBLXNRBIHZPV-UHFFFAOYSA-N.svg)
{4-[3'-(3,4-Dimethoxyphenyl)-5,5'-bi-1,2,4-oxadiazol-3-yl]phenyl}dimethylamine
CAS 1775480-95-9C20H19N5O4
![Benzo[d][1,3]dioxol-5-yl(4-(5-(5-methyl-1,2,4-oxadiazol-3-yl)pyridin-2-yl)piperazin-1-yl)methanone chemical structure, C20H19N5O4, CAS 1206984-74-8](/s/UXEXFUULZWBZDM-UHFFFAOYSA-N.svg)
Benzo[d][1,3]dioxol-5-yl(4-(5-(5-methyl-1,2,4-oxadiazol-3-yl)pyridin-2-yl)piperazin-1-yl)methanone
CAS 1206984-74-8C20H19N5O4
7-Methoxy-N-(2-(3-(2-methyl-1H-imidazol-1-yl)-6-oxopyridazin-1(6H)-yl)ethyl)benzofuran-2-carboxamide
CAS 1351618-23-9C20H19N5O4
![2-(1H-Benzo[d]imidazol-1-yl)-N-((3-((4-methoxyphenoxy)methyl)-1,2,4-oxadiazol-5-yl)methyl)acetamide chemical structure, C20H19N5O4, CAS 1251578-56-9](/s/SVTJODZTQUUHAP-UHFFFAOYSA-N.svg)
2-(1H-Benzo[d]imidazol-1-yl)-N-((3-((4-methoxyphenoxy)methyl)-1,2,4-oxadiazol-5-yl)methyl)acetamide
CAS 1251578-56-9C20H19N5O4
![3-(3,4-Dimethoxyphenyl)-5-[1-(3-methoxyphenyl)-5-methyl-1H-1,2,3-triazol-4-yl]-1,2,4-oxadiazole chemical structure, C20H19N5O4, CAS 941913-17-3](/s/FUKZBABXRKUVIT-UHFFFAOYSA-N.svg)
3-(3,4-Dimethoxyphenyl)-5-[1-(3-methoxyphenyl)-5-methyl-1H-1,2,3-triazol-4-yl]-1,2,4-oxadiazole
CAS 941913-17-3C20H19N5O4
![Methyl 4-{2-[4,5-dimethyl-6-oxo-2-(pyrazin-2-yl)-1,6-dihydropyrimidin-1-yl]acetamido}benzoate chemical structure, C20H19N5O4, CAS 1775387-69-3](/s/GFHWIWXGCQCYEN-UHFFFAOYSA-N.svg)
Methyl 4-{2-[4,5-dimethyl-6-oxo-2-(pyrazin-2-yl)-1,6-dihydropyrimidin-1-yl]acetamido}benzoate
CAS 1775387-69-3C20H19N5O4
![N-(2,3-Dihydro-1,4-benzodioxin-6-yl)-2-[4,5-dimethyl-6-oxo-2-(pyrazin-2-yl)-1,6-dihydropyrimidin-1-yl]acetamide chemical structure, C20H19N5O4, CAS 1775319-98-6](/s/VGCJAOFIGRSHLK-UHFFFAOYSA-N.svg)
N-(2,3-Dihydro-1,4-benzodioxin-6-yl)-2-[4,5-dimethyl-6-oxo-2-(pyrazin-2-yl)-1,6-dihydropyrimidin-1-yl]acetamide
CAS 1775319-98-6C20H19N5O4
(R)-2-((((9H-Fluoren-9-yl)methoxy)carbonyl)amino)-4-(1H-tetrazol-5-yl)butanoic acid
CAS 1464137-16-3C20H19N5O4
5-(Benzoylamino)-N-(4-morpholin-4-ylphenyl)-1,3,4-oxadiazole-2-carboxamide
CAS 916894-32-1C20H19N5O4
![1-(2-Furylmethyl)-2-imino-N-(2-methoxyethyl)-5-oxo-1,5-dihydro-2H-dipyrido[1,2-a:2,3-d]pyrimidine-3-carboxamide chemical structure, C20H19N5O4, CAS 371209-54-0](/s/KKFBQRBLVVXSQI-UHFFFAOYSA-N.svg)
1-(2-Furylmethyl)-2-imino-N-(2-methoxyethyl)-5-oxo-1,5-dihydro-2H-dipyrido[1,2-a:2,3-d]pyrimidine-3-carboxamide
CAS 371209-54-0C20H19N5O4
![(E)-2-(3-Cinnamyl-1,7-dimethyl-2,4-dioxo-3,4-dihydro-1H-imidazo[2,1-f]purin-8(2H)-yl)acetic acid chemical structure, C20H19N5O4, CAS 1021077-23-5](/s/JFNXJAFMIOZCBZ-RMKNXTFCSA-N.svg)
(E)-2-(3-Cinnamyl-1,7-dimethyl-2,4-dioxo-3,4-dihydro-1H-imidazo[2,1-f]purin-8(2H)-yl)acetic acid
CAS 1021077-23-5C20H19N5O4
![5-(2-Quinolinyl)-7-|A-D-ribofuranosyl-7H-pyrrolo[2,3-d]pyrimidin-4-amine chemical structure, C20H19N5O4, CAS 2307607-40-3](/s/MMXBFDPWMWYDDW-WVSUBDOOSA-N.svg)
5-(2-Quinolinyl)-7-|A-D-ribofuranosyl-7H-pyrrolo[2,3-d]pyrimidin-4-amine
CAS 2307607-40-3C20H19N5O4
![1-Methyl-4-nitro-N-{2-[(2-phenylethyl)carbamoyl]phenyl}-1H-pyrazole-5-carboxamide chemical structure, C20H19N5O4, CAS 512813-77-3](/s/ZDBVICHEQZMWNS-UHFFFAOYSA-N.svg)
1-Methyl-4-nitro-N-{2-[(2-phenylethyl)carbamoyl]phenyl}-1H-pyrazole-5-carboxamide
CAS 512813-77-3C20H19N5O4
![4-Methyl-2,6-bis(2-oxopropyl)-7-phenylpurino[7,8-a]imidazole-1,3-dione chemical structure, C20H19N5O4, CAS 878736-79-9](/s/XOGWVSKLGWZWEI-UHFFFAOYSA-N.svg)
4-Methyl-2,6-bis(2-oxopropyl)-7-phenylpurino[7,8-a]imidazole-1,3-dione
CAS 878736-79-9C20H19N5O4
![N-(1-(5-(3-Methyl-1,2,4-oxadiazol-5-yl)pyridin-2-yl)pyrrolidin-3-yl)benzo[d][1,3]dioxole-5-carboxamide chemical structure, C20H19N5O4, CAS 1396761-41-3](/s/LMMMDINYRPILFA-UHFFFAOYSA-N.svg)
N-(1-(5-(3-Methyl-1,2,4-oxadiazol-5-yl)pyridin-2-yl)pyrrolidin-3-yl)benzo[d][1,3]dioxole-5-carboxamide
CAS 1396761-41-3C20H19N5O4
Ethanediamide, (2-(((2,3-dihydro-1,5-dimethyl-3-oxo-2-phenyl-1H-pyrazol-4-yl)amino)carbonyl)phenyl)-
CAS 40528-22-1C20H19N5O4
5-(1-(2,5-Dimethoxyphenyl)-5-methyl-1H-1,2,3-triazol-4-yl)-3-(4-methoxyphenyl)-1,2,4-oxadiazole
CAS 941906-76-9C20H19N5O4
- 2-(5-(4-Methoxyphenyl)-4,6-dioxo-4,5,6,6a-tetrahydropyrrolo[3,4-d][1,2,3]triazol-1(3aH)-yl)-N-(o-tolyl)acetamide1008205-39-7C20H19N5O4
- 2-[5-(4-Methoxyphenyl)-4,6-dioxo-4,5,6,6a-tetrahydropyrrolo[3,4-d][1,2,3]triazol-1(3aH)-yl]-N-(4-methylphenyl)acetamide1008035-90-2C20H19N5O4
- N-(4-methoxyphenyl)-2-[5-(4-methylphenyl)-4,6-dioxo-4,5,6,6a-tetrahydropyrrolo[3,4-d][1,2,3]triazol-1(3aH)-yl]acetamide1008227-31-3C20H19N5O4
- N-(1,3-Dihydro-2H-benzimidazol-2-ylidene)-3-(6,7-dimethoxy-4-oxoquinazolin-3(4H)-yl)propanamide1144475-20-6C20H19N5O4
- N-(2,4-Dimethoxyphenyl)-2-(1-methyl-4-oxo[1,2,4]triazolo[4,3-a]quinoxalin-5(4H)-yl)acetamide1260934-38-0C20H19N5O4
- N-(1-(3-(Pyrazin-2-yl)-1,2,4-oxadiazol-5-yl)cyclohexyl)benzo[d][1,3]dioxole-5-carboxamide1396795-18-8C20H19N5O4
- N-((1r,4r)-4-((3-Cyanopyrazin-2-yl)oxy)cyclohexyl)-2-(2-oxobenzo[d]oxazol-3(2H)-yl)acetamide2034580-82-8C20H19N5O4
- Ethanediamide, (4-(((2,3-dihydro-1,5-dimethyl-3-oxo-2-phenyl-1H-pyrazol-4-yl)amino)carbonyl)phenyl)-40528-29-8C20H19N5O4
- 2-(5-(4-Ethoxyphenyl)-4,6-dioxo-4,5,6,6a-tetrahydropyrrolo[3,4-d][1,2,3]triazol-1(3aH)-yl)-N-phenylacetamide1008237-64-6C20H19N5O4
- N-(3,5-Dimethoxyphenyl)-2-(7-methyl-3-oxo-[1,2,4]triazolo[4,3-c]quinazolin-2(3H)-yl)acetamide1207002-79-6C20H19N5O4
- N-(3,4-Dimethoxyphenyl)-2-{7-methyl-3-oxo-2H,3H-[1,2,4]triazolo[4,3-c]quinazolin-2-yl}acetamide1206990-84-2C20H19N5O4
- N-((1H-Benzo[d]imidazol-2-yl)methyl)-2-(3-(benzo[d][1,3]dioxol-5-yl)-2-oxoimidazolidin-1-yl)acetamide1286695-61-1C20H19N5O4
- N-(2,3-Dimethoxybenzyl)-2-(1-oxo-[1,2,4]triazolo[4,3-a]quinoxalin-2(1H)-yl)acetamide1031937-33-3C20H19N5O4
- N-(1H-Benzimidazol-2-ylmethyl)-2-(6,7-dimethoxy-4-oxoquinazolin-3(4H)-yl)acetamide1574473-83-8C20H19N5O4
- N-(2H-1,3-Benzodioxol-5-yl)-4-{pyrazolo[1,5-a]pyridine-3-carbonyl}piperazine-1-carboxamide1421584-11-3C20H19N5O4
- N-(2-Carbamoylphenyl)-2-[(3,5-dimethyl-4-nitropyrazol-1-yl)methyl]benzamide1005595-38-9C20H19N5O4
- 2-(3,4-Dioxo-8-phenyl-3,4,7,8-tetrahydroimidazo[2,1-c][1,2,4]triazin-2(6H)-yl)-N-(4-methoxyphenyl)acetamide941916-95-6C20H19N5O4
- 7-(Furan-2-ylmethyl)-1,3-dimethyl-2,4-dioxo-N-(pyridin-3-ylmethyl)-2,3,4,7-tetrahydro-1H-pyrrolo[2,3-d]pyrimidine-6-carboxamide1040655-67-1C20H19N5O4
- (4-(6-(Benzo[d][1,3]dioxol-5-yl)pyridazin-3-yl)piperazin-1-yl)(5-methylisoxazol-3-yl)methanone1207014-57-0C20H19N5O4
- N-(2,5-Dimethoxyphenyl)-2-(1-methyl-4-oxo-[1,2,4]triazolo[4,3-a]quinoxalin-5(4H)-yl)acetamide1359149-59-9C20H19N5O4
- Methyl 2-(3-cyanobenzamido)-3-(3-methoxypropyl)-3H-imidazo[4,5-b]pyridine-6-carboxylate927186-04-7C20H19N5O4
- N-[5-Methoxy-2-(2-oxopyrrolidin-1-yl)phenyl]-2-(4-oxo-1,2,3-benzotriazin-3(4H)-yl)acetamide1401534-07-3C20H19N5O4
- N-(1H-Benzimidazol-2-ylmethyl)-2-(7,8-dimethoxy-1-oxophthalazin-2(1H)-yl)acetamide1401542-93-5C20H19N5O4
- Methyl 4-{2-[4-cyclopropyl-5-oxo-3-(pyridin-3-yl)-4,5-dihydro-1H-1,2,4-triazol-1-yl]acetamido}benzoate1797588-30-7C20H19N5O4
- Benzo[d][1,3]dioxol-5-yl(3-((3-(pyrazin-2-yl)-1,2,4-oxadiazol-5-yl)methyl)piperidin-1-yl)methanone1705365-80-5C20H19N5O4
- 1-((1-(1-(4-Oxo-4H-chromene-2-carbonyl)azetidin-3-yl)-1H-1,2,3-triazol-4-yl)methyl)pyrrolidin-2-one2034250-65-0C20H19N5O4
- N-(2-(2,4-Dioxo-1,2-dihydropyrido[2,3-d]pyrimidin-3(4H)-yl)ethyl)-5-oxo-1-phenylpyrrolidine-3-carboxamide2034270-53-4C20H19N5O4
- 5-Oxo-N-((3-(2-oxo-1,2-dihydropyridin-4-yl)-1,2,4-oxadiazol-5-yl)methyl)-1-(p-tolyl)pyrrolidine-3-carboxamide2034268-34-1C20H19N5O4
- N-(2-(4-Cyclopropyl-6-oxopyrimidin-1(6H)-yl)ethyl)-2,4-dioxo-3-phenyl-1,2,3,4-tetrahydropyrimidine-5-carboxamide2034511-65-2C20H19N5O4
- N-[2-(3-Cyclopropyl-6-oxo-1,6-dihydropyridazin-1-yl)ethyl]-2,4-dioxo-3-phenyl-1,2,3,4-tetrahydropyrimidine-5-carboxamide2034266-75-4C20H19N5O4
- N-(2-(3-Cyclopropyl-6-oxopyridazin-1(6H)-yl)ethyl)-2,6-dioxo-1-phenyl-1,2,3,6-tetrahydropyrimidine-4-carboxamide2034564-04-8C20H19N5O4
- N-(3-Cyclopropyl-1-(4,5-dimethyl-6-oxo-1,6-dihydropyrimidin-2-yl)-1H-pyrazol-5-yl)benzo[d][1,3]dioxole-5-carboxamide1203113-48-7C20H19N5O4
- 2-({[(9H-Fluoren-9-yl)methoxy]carbonyl}amino)-4-(1H-1,2,3,4-tetrazol-5-yl)butanoic acid1822489-47-3C20H19N5O4
- 2-(3,4-Dioxo-8-phenyl-3,4,7,8-tetrahydroimidazo[2,1-c][1,2,4]triazin-2(6H)-yl)-N-(2-methoxyphenyl)acetamide942011-51-0C20H19N5O4
- 2-(3,4-Dioxo-8-phenyl-3,4,7,8-tetrahydroimidazo[2,1-c][1,2,4]triazin-2(6H)-yl)-N-(3-methoxyphenyl)acetamide941887-07-6C20H19N5O4
- 2-(8-(4-Methoxyphenyl)-3,4-dioxo-3,4,7,8-tetrahydroimidazo[2,1-c][1,2,4]triazin-2(6H)-yl)-N-phenylacetamide941976-88-1C20H19N5O4
- (Z)-3-(Benzo[d][1,3]dioxol-5-yl)-N-((1-(4-ethoxyphenyl)-1H-tetrazol-5-yl)methyl)acrylamide941963-70-8C20H19N5O4
- N-(Furan-2-ylmethyl)-N-[(5-methylfuran-2-yl)methyl]-2-[4-(1H-tetrazol-1-yl)phenoxy]acetamide912904-63-3C20H19N5O4
- N-[3-(2-Amino-4-oxo-6-phenyl-1,4-dihydropyrimidin-5-yl)propyl]-4-nitrobenzamide17399-39-2C20H19N5O4
- (E)-3-(Benzo[d][1,3]dioxol-5-yl)-N-(1-(4,5-dimethyl-6-oxo-1,6-dihydropyrimidin-2-yl)-3-methyl-1H-pyrazol-5-yl)acrylamide1004680-49-2C20H19N5O4
- N-(2,4-Dimethoxyphenyl)-2-(5-oxo-2-phenyl-5,6-dihydro-4H-imidazo[1,2-b][1,2,4]triazol-6-yl)acetamide1158430-08-0C20H19N5O4
- (E)-3-(1,3-Benzodioxol-5-yl)-N-[2-(4-ethyl-6-oxo-1H-pyrimidin-2-yl)-5-methylpyrazol-3-yl]prop-2-enamide1003964-41-7C20H19N5O4
- 4,5-Dihydro-6-[1-[(4-methoxyphenyl)methyl]-1H-pyrazol-4-yl]-4-oxopyrazolo[1,5-a]pyrazine-2-carboxylic acid ethyl ester1940180-44-8C20H19N5O4
- Benzyl (1-(5-(dimethylcarbamoyl)pyrazin-2-yl)-2-oxo-1,2-dihydropyridin-3-yl)carbamate1797436-58-8C20H19N5O4
- 3-{2-[4-(2-Methoxypyridin-4-yl)-3-oxopiperazin-1-yl]-2-oxoethyl}-3,4-dihydroquinazolin-4-one2380181-96-2C20H19N5O4
- 3-Methyl-1H-pyrazole-1-acetic acid 2-[[2-[(4-nitrophenyl)methoxy]phenyl]methylene]hydrazide1020706-53-9C20H19N5O4
- 5-Methyl-1H-pyrazole-1-acetic acid 2-[[2-[(4-nitrophenyl)methoxy]phenyl]methylene]hydrazide1020707-10-1C20H19N5O4
- 2-({[(9H-Fluoren-9-yl)methoxy]carbonyl}amino)-3-(2-methyl-2H-1,2,3,4-tetrazol-5-yl)propanoic acid1701871-52-4C20H19N5O4
- 4-((2-(3-(But-3-yn-1-yl)-3H-diazirin-3-yl)ethyl)amino)-2-(2,6-dioxopiperidin-3-yl)isoindoline-1,3-dione2254648-18-3C20H19N5O4
- 2-({[(9H-Fluoren-9-yl)methoxy]carbonyl}amino)-3-(1-methyl-1H-1,2,3,4-tetrazol-5-yl)propanoic acid2156837-70-4C20H19N5O4
- 2-({[(9H-Fluoren-9-yl)methoxy]carbonyl}amino)-4-(1H-1,2,3,4-tetrazol-1-yl)butanoic acid2156950-71-7C20H19N5O4
- (3S)-3-({[(9H-Fluoren-9-yl)methoxy]carbonyl}amino)-3-(2-methyl-2H-1,2,3,4-tetrazol-5-yl)propanoic acid1993364-12-7C20H19N5O4
- (3R)-3-({[(9H-Fluoren-9-yl)methoxy]carbonyl}amino)-3-(2-methyl-2H-1,2,3,4-tetrazol-5-yl)propanoic acid1997435-72-9C20H19N5O4
- 5-{[(6-Aminopyridin-3-yl)methyl](methyl)amino}-2-(2,6-dioxopiperidin-3-yl)-2,3-dihydro-1H-isoindole-1,3-dione2703767-79-5C20H19N5O4
- 3-({[(9H-Fluoren-9-yl)methoxy]carbonyl}amino)-3-(2-methyl-2H-1,2,3,4-tetrazol-5-yl)propanoic acid2028391-36-6C20H19N5O4
- Methyl 4-((5-methylpyridin-3-yl)oxy)-6-(3-methylureido)-[3,4'-bipyridine]-2'-carboxylate1443111-21-4C20H19N5O4
- 4-(7-Azidohept-1-ynyl)-2-(2,6-dioxo-3-piperidyl)isoindoline-1,3-dione2296708-59-1C20H19N5O4
Frequently asked questions
What is the molar mass of C20H19N5O4?
The molar mass of C20H19N5O4 is 393.40 g/mol, calculated from standard atomic weights for 20 carbon atoms, 19 hydrogen atoms, 5 nitrogen atoms and 4 oxygen atoms. The monoisotopic mass is 393.1437 Da.
How many compounds have the formula C20H19N5O4?
CompoundList lists 81 compounds with the molecular formula C20H19N5O4, including N-(2-Furylmethyl)-2-imino-1-(2-methoxyethyl)-5-oxo-1,5-dihydro-2H-dipyrido[1,2-A:2,3-D]pyrimidine-3-carboxamide, (2S)-2-((((9H-Fluoren-9-yl)methoxy)carbonyl)amino)-4-(1H-1,2,3,4-tetrazol-5-yl)butanoic acid, [2-Oxo-2-[(3-oxo-1-phenylbutan-2-yl)amino]ethyl] 4-(tetrazol-1-yl)benzoate. 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 C20H19N5O4?
C20H19N5O4 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.