Molecular formula
C20H19N3O5
125 compounds have this formula on CompoundList.
- Molar mass
- 381.39g/mol
- Monoisotopic mass
- 381.1325Da
- Atoms
- 47
- Elements
- 4
- Rings plus double bonds
- 13
The formula C20H19N3O5 describes a molecule made of 20 carbon atoms, 19 hydrogen atoms, 3 nitrogen atoms and 5 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 × 2062.99%12.011 × 20 = 240.220 g/mol
- H Hydrogen × 195.02%1.008 × 19 = 19.152 g/mol
- N Nitrogen × 311.02%14.007 × 3 = 42.021 g/mol
- O Oxygen × 520.97%15.999 × 5 = 79.995 g/mol
Look up another formula
Compounds with the formula C20H19N3O5
Isomers we list, best known first. Open one to see its structure, properties, safety data and suppliers.
Showing 1 to 100 of 125 compounds
Benzyl 1,6-dimethyl-4-(2-nitrophenyl)-2-oxo-1,2,3,4-tetrahydropyrimidine-5-carboxylate
CAS 303137-12-4C20H19N3O5
N-(3-Acetylphenyl)-3-(2-methoxyethyl)-2,4-dioxo-1,2,3,4-tetrahydroquinazoline-7-carboxamide
CAS 892259-78-8C20H19N3O5
4-(5-(3-Nitrophenyl)-3-(p-tolyl)-4,5-dihydro-1H-pyrazol-1-yl)-4-oxobutanoic acid
CAS 332390-96-2C20H19N3O5
Benzyl 1,6-dimethyl-4-(3-nitrophenyl)-2-oxo-1,2,3,4-tetrahydropyrimidine-5-carboxylate
CAS 303140-24-1C20H19N3O5
Benzyl 1,6-dimethyl-4-(4-nitrophenyl)-2-oxo-1,2,3,4-tetrahydropyrimidine-5-carboxylate
CAS 303137-54-4C20H19N3O5
![N'-[1-(2,3-Dihydro-1,4-benzodioxin-6-yl)-2,5-dioxopyrrolidin-3-yl]-2-methylbenzohydrazide chemical structure, C20H19N3O5, CAS 956372-79-5](/s/PDJFUBLWQWVVOX-UHFFFAOYSA-N.svg)
N'-[1-(2,3-Dihydro-1,4-benzodioxin-6-yl)-2,5-dioxopyrrolidin-3-yl]-2-methylbenzohydrazide
CAS 956372-79-5C20H19N3O5
![N-(2-Methoxyphenyl)-2-[4-(4-methoxyphenyl)-2,3-dioxo-1,2,3,4-tetrahydropyrazin-1-yl]acetamide chemical structure, C20H19N3O5, CAS 891867-03-1](/s/GENPHXHKQAJGEL-UHFFFAOYSA-N.svg)
N-(2-Methoxyphenyl)-2-[4-(4-methoxyphenyl)-2,3-dioxo-1,2,3,4-tetrahydropyrazin-1-yl]acetamide
CAS 891867-03-1C20H19N3O5
![[2-(2-Methoxyanilino)-2-oxoethyl] 6-oxo-1-phenyl-4,5-dihydropyridazine-3-carboxylate chemical structure, C20H19N3O5, CAS 742117-81-3](/s/WPQQTUZEEWOCJD-UHFFFAOYSA-N.svg)
[2-(2-Methoxyanilino)-2-oxoethyl] 6-oxo-1-phenyl-4,5-dihydropyridazine-3-carboxylate
CAS 742117-81-3C20H19N3O5
![N'-[1-(2,3-Dihydro-1,4-benzodioxin-6-yl)-2,5-dioxopyrrolidin-3-yl]-4-methylbenzohydrazide chemical structure, C20H19N3O5, CAS 956763-85-2](/s/FHHQJVPZGAFUON-UHFFFAOYSA-N.svg)
N'-[1-(2,3-Dihydro-1,4-benzodioxin-6-yl)-2,5-dioxopyrrolidin-3-yl]-4-methylbenzohydrazide
CAS 956763-85-2C20H19N3O5
(3S)-6-Nitro-3-((4-(phenylmethoxy)phenyl)methoxy)-2H,3H,4H-imidazolo(2,1-b)1,3-oxazaperhydroine
CAS 187235-28-5C20H19N3O5
3-(3,4-Dihydroisoquinolin-2(1H)-yl)-1-(2-methoxy-4-nitrophenyl)pyrrolidine-2,5-dione
CAS 433941-85-6C20H19N3O5
![N1-(benzo[d][1,3]dioxol-5-yl)-N2-(4-methyl-3-(2-oxopyrrolidin-1-yl)phenyl)oxalamide chemical structure, C20H19N3O5, CAS 941890-68-2](/s/ZFPFQOLLEOADCN-UHFFFAOYSA-N.svg)
N1-(benzo[d][1,3]dioxol-5-yl)-N2-(4-methyl-3-(2-oxopyrrolidin-1-yl)phenyl)oxalamide
CAS 941890-68-2C20H19N3O5
![N-[(8-Hydroxy-5-nitroquinolin-7-yl)-(2-methoxyphenyl)methyl]propanamide chemical structure, C20H19N3O5, CAS 333315-16-5](/s/MWJQADAFEHDUAX-UHFFFAOYSA-N.svg)
N-[(8-Hydroxy-5-nitroquinolin-7-yl)-(2-methoxyphenyl)methyl]propanamide
CAS 333315-16-5C20H19N3O5
![Methyl 2-amino-6-ethyl-7-methyl-5,12-dioxospiro[6-hydro-4H-pyrano[3,2-c]pyridi ne-4,3'-indoline]-3-carboxylate chemical structure, C20H19N3O5, CAS 873571-69-8](/s/RFKFRWSXXBAQES-UHFFFAOYSA-N.svg)
Methyl 2-amino-6-ethyl-7-methyl-5,12-dioxospiro[6-hydro-4H-pyrano[3,2-c]pyridi ne-4,3'-indoline]-3-carboxylate
CAS 873571-69-8C20H19N3O5
Methyl 1-benzyl-6-methyl-4-(2-nitrophenyl)-2-oxo-1,2,3,4-tetrahydropyrimidine-5-carboxylate
CAS 321680-22-2C20H19N3O5
N-(2,3-Dihydro-1,4-benzodioxin-6-yl)-3-(2-hydroxy-5-oxo-4,5-dihydro-3H-1,4-benzodiazepin-3-yl)propanamide
CAS 1190849-03-6C20H19N3O5
(R)-6-(4-Benzyloxy-benzyloxy)-2-nitro-6,7-dihydro-5H-imidazo(2,1-b(1,3)oxazine
CAS 187235-58-1C20H19N3O5
![Methyl 2-{4-[5-(furan-2-yl)-1,3,4-oxadiazol-2-yl]piperidine-1-carbonyl}benzoate chemical structure, C20H19N3O5, CAS 1211101-81-3](/s/HZSOOUQKHBTXJL-UHFFFAOYSA-N.svg)
Methyl 2-{4-[5-(furan-2-yl)-1,3,4-oxadiazol-2-yl]piperidine-1-carbonyl}benzoate
CAS 1211101-81-3C20H19N3O5
![N-(3-Acetylphenyl)-2-(3-(benzo[d][1,3]dioxol-5-yl)-2-oxoimidazolidin-1-yl)acetamide chemical structure, C20H19N3O5, CAS 1286718-12-4](/s/KOSLVLXRNXLUNS-UHFFFAOYSA-N.svg)
N-(3-Acetylphenyl)-2-(3-(benzo[d][1,3]dioxol-5-yl)-2-oxoimidazolidin-1-yl)acetamide
CAS 1286718-12-4C20H19N3O5
5-(Furan-2-yl)-N-(1-(2-methoxyacetyl)-1,2,3,4-tetrahydroquinolin-7-yl)isoxazole-3-carboxamide
CAS 1251697-52-5C20H19N3O5
![N-((5-(2,3-Dihydrobenzo[b][1,4]dioxin-6-yl)isoxazol-3-yl)methyl)-2-ethoxynicotinamide chemical structure, C20H19N3O5, CAS 1207013-37-3](/s/ZFUGHOWORDPFMQ-UHFFFAOYSA-N.svg)
N-((5-(2,3-Dihydrobenzo[b][1,4]dioxin-6-yl)isoxazol-3-yl)methyl)-2-ethoxynicotinamide
CAS 1207013-37-3C20H19N3O5
![Ethyl 2-{2-[4-(5-methyl-1,3,4-oxadiazol-2-yl)phenoxy]acetamido}benzoate chemical structure, C20H19N3O5, CAS 946239-19-6](/s/FKIANEKYBXMELV-UHFFFAOYSA-N.svg)
Ethyl 2-{2-[4-(5-methyl-1,3,4-oxadiazol-2-yl)phenoxy]acetamido}benzoate
CAS 946239-19-6C20H19N3O5
![2-(4-Acetyl-2-methoxyphenoxy)-N-{2-methyl-4-oxo-4H-pyrido[1,2-a]pyrimidin-3-yl}acetamide chemical structure, C20H19N3O5, CAS 1060292-97-8](/s/HDSDNGPJLUGEQE-UHFFFAOYSA-N.svg)
2-(4-Acetyl-2-methoxyphenoxy)-N-{2-methyl-4-oxo-4H-pyrido[1,2-a]pyrimidin-3-yl}acetamide
CAS 1060292-97-8C20H19N3O5
![2-(Benzo[d][1,3]dioxol-5-yloxy)-N-(2,7-dimethyl-4-oxo-4H-pyrido[1,2-a]pyrimidin-3-yl)propanamide chemical structure, C20H19N3O5, CAS 1060226-10-9](/s/YZIAUKMYIPELIJ-UHFFFAOYSA-N.svg)
2-(Benzo[d][1,3]dioxol-5-yloxy)-N-(2,7-dimethyl-4-oxo-4H-pyrido[1,2-a]pyrimidin-3-yl)propanamide
CAS 1060226-10-9C20H19N3O5
- (Z)-N-(1-(4-Methoxyphenyl)-5-oxopyrrolidin-3-yl)-3-(4-nitrophenyl)acrylamide898430-60-9C20H19N3O5
- 2-(1,3-Dioxo-1,3-dihydro-2H-isoindol-2-yl)-N-{3-nitrophenyl}-4-methylpentanamide445227-85-0C20H19N3O5
- 5-Isopropyl-3-(4-nitrophenyl)-2-phenyldihydro-2H-pyrrolo[3,4-d]isoxazole-4,6(5H,6aH)-dione1005131-29-2C20H19N3O5
- 5-(5-(3-Nitrophenyl)-3-phenyl-4,5-dihydro-1H-pyrazol-1-yl)-5-oxopentanoic acid333304-92-0C20H19N3O5
- Ethyl 2-methyl-4-[(3-nitrophenyl)amino]-5-oxo-1-phenyl-2,5-dihydro-1H-pyrrole-2-carboxylate473564-64-6C20H19N3O5
- (2E)-3-(1,3-Benzodioxol-5-yl)-1-[4-(4-nitrophenyl)piperazin-1-yl]prop-2-en-1-one346726-83-8C20H19N3O5
- Ethyl 4-(4-hydroxy-3-methoxyphenyl)-2-oxo-1,2,3,4-tetrahydropyrimido[1,2-a]benzimidazole-3-carboxylate925144-01-0C20H19N3O5
- 4-Methylbenzyl 6-methyl-4-(3-nitrophenyl)-2-oxo-1,2,3,4-tetrahydropyrimidine-5-carboxylate347353-06-4C20H19N3O5
- 2-[(E)-2-(2-Butoxynaphthalen-1-yl)ethenyl]-6-hydroxy-5-nitropyrimidin-4(3H)-one708283-79-8C20H19N3O5
- N-(2,4-Dimethoxyphenyl)-2-(2,3-dioxo-4-phenyl-3,4-dihydropyrazin-1(2H)-yl)acetamide904525-61-7C20H19N3O5
- 2-({[4-(3,4-Dimethoxyphenyl)-1-methyl-1H-pyrazol-5-yl]amino}carbonyl)benzenecarboxylic acid956612-11-6C20H19N3O5
- Ethyl 4-[(4-methoxybenzyl)amino]-6-nitro-3-quinolinecarboxylate478248-28-1C20H19N3O5
- 4-{[3-(2,3-Dimethoxyphenyl)-1,2,4-oxadiazol-5-yl]methyl}-6-methyl-2H-1,4-benzoxazin-3(4H)-one1206990-13-7C20H19N3O5
- N-[2-(7-Methoxy-2-oxo-1H-quinolin-3-yl)ethyl]-4-methyl-3-nitrobenzamide851406-06-9C20H19N3O5
- Ethyl 4-{2,5-dioxo-3-[(phenylcarbonylamino)amino]azolidinyl}benzoate667404-25-3C20H19N3O5
- N-(2,5-Dimethoxyphenyl)-1-(4-methoxyphenyl)-4-oxo-1,4-dihydropyridazine-3-carboxamide879594-46-4C20H19N3O5
- N-{4-[4-(Propan-2-yloxy)phenyl]-1,2,5-oxadiazol-3-yl}-2,3-dihydro-1,4-benzodioxine-2-carboxamide898606-53-6C20H19N3O5
- N1-(2-carbamoylbenzofuran-3-yl)-N2-(4-methoxyphenethyl)oxalamide941994-33-8C20H19N3O5
- N-(3,4-Dimethoxyphenyl)-2-(2,3-dioxo-4-phenyl-1,2,3,4-tetrahydropyrazin-1-yl)acetamide904526-01-8C20H19N3O5
- N-(3,5-Dimethoxyphenyl)-1,5-dioxo-2,3,4,5-tetrahydropyrrolo[1,2-a]quinazoline-3a(1H)-carboxamide1236259-17-8C20H19N3O5
- 5-(3-Cyclopropyl-1,2,4-oxadiazol-5-yl)-1-(2-(2,5-dimethoxyphenyl)-2-oxoethyl)pyridin-2(1H)-one1396636-31-9C20H19N3O5
- (3-(Benzyloxy)isoxazol-5-yl)(4-(furan-2-carbonyl)piperazin-1-yl)methanone1428371-90-7C20H19N3O5
- 3-(3-(3-((6-Methyl-2-oxo-2H-pyran-4-yl)oxy)azetidin-1-yl)-3-oxopropyl)quinazolin-4(3H)-one1795086-49-5C20H19N3O5
- 2-(1-(2-(2-Oxobenzo[d]oxazol-3(2H)-yl)acetyl)azetidin-3-yl)-3a,4,7,7a-tetrahydro-1H-isoindole-1,3(2H)-dione1798511-78-0C20H19N3O5
- (S)-6-(3-Benzyloxy-benzyloxy)-2-nitro-6,7-dihydro-5H-imidazo(2,1-b)(1,3)oxazine187235-35-4C20H19N3O5
- Ethyl 2-methyl-4-(2-nitroanilino)-5-oxo-1-phenylpyrrole-2-carboxylate459147-44-5C20H19N3O5
- N-(2-Ethoxyphenyl)-3-(3-methoxyphenyl)-2,4-dioxo-1,2,3,4-tetrahydropyrimidine-5-carboxamide863612-62-8C20H19N3O5
- [2-[(1-Cyanocyclopentyl)amino]-2-oxoethyl] 4-(furan-2-carbonylamino)benzoate871921-45-8C20H19N3O5
- N-(4-Acetylphenyl)-2-(6,7-dimethoxy-4-oxoquinazolin-3(4H)-yl)acetamide924019-27-2C20H19N3O5
- Methyl 2'-amino-1-ethyl-7'-methyl-2,5'-dioxo-1,2,5',6'-tetrahydrospiro[indole-3,4'-pyrano[3,2-c]pyridine]-3'-carboxylate879623-90-2C20H19N3O5
- N-((5-(Furan-2-yl)isoxazol-3-yl)methyl)-1-(3-methoxyphenyl)-5-oxopyrrolidine-3-carboxamide1172777-84-2C20H19N3O5
- Benzyl-7-methoxy-2',5'-dioxospiro[2,3-dihydroquinoline-4,4'-imidazolidine]-1-carboxylate940935-51-3C20H19N3O5
- (5E)-1-(1,3-Benzodioxol-5-yl)-5-[(1-tert-butylpyrrol-2-yl)methylidene]-1,3-diazinane-2,4,6-trione676253-62-6C20H19N3O5
- 2(3H)-Benzoxazolone, 6-(4-nitrobenzoyl)-3-(1-piperidinylmethyl)-99541-46-5C20H19N3O5
- 1,2,4-Triazine-2(3H)-acetic acid, 5,6-bis(4-hydroxyphenyl)-alpha-methyl-3-oxo-, ethyl ester108734-79-8C20H19N3O5
- N-((2,3-Dihydrobenzo[b][1,4]dioxin-2-yl)methyl)-3-(2,4-dioxo-1,2-dihydroquinazolin-3(4H)-yl)propanamide850780-99-3C20H19N3O5
- N-(4-Nitrophenyl)-3-pivalamidobenzofuran-2-carboxamide887896-93-7C20H19N3O5
- N-(3-Acetylphenyl)-2-(6,7-dimethoxy-4-oxoquinazolin-3(4H)-yl)acetamide867310-53-0C20H19N3O5
- 2-(5-((4-Methoxyphenoxy)methyl)furan-2-yl)-5-morpholinooxazole-4-carbonitrile941882-00-4C20H19N3O5
- N1-(benzo[d][1,3]dioxol-5-ylmethyl)-N2-(3-(2-oxopyrrolidin-1-yl)phenyl)oxalamide941957-86-4C20H19N3O5
- N1-(2-carbamoylbenzofuran-3-yl)-N2-(3-methoxyphenethyl)oxalamide920360-25-4C20H19N3O5
- N-(4-Methoxyphenyl)-2-[4-(4-methoxyphenyl)-2,3-dioxo-1,2,3,4-tetrahydropyrazin-1-yl]acetamide891867-11-1C20H19N3O5
- 4-((3-(3,4-Dimethoxyphenyl)-1,2,4-oxadiazol-5-yl)methyl)-7-methyl-2H-benzo[b][1,4]oxazin-3(4H)-one1105213-61-3C20H19N3O5
- N-[3-(Acetylamino)phenyl]-2-(2-methoxyethyl)-1,3-dioxo-2,3-dihydro-1H-isoindole-5-carboxamide1144456-39-2C20H19N3O5
- N-(4-Methoxyphenyl)-2-(4-(3-methoxyphenyl)-2,3-dioxo-3,4-dihydropyrazin-1(2H)-yl)acetamide891867-58-6C20H19N3O5
- N-[5-(Acetylamino)-2-methoxyphenyl]-8-methoxy-4-oxo-1,4-dihydroquinoline-3-carboxamide1232782-64-7C20H19N3O5
- N-[5-(Acetylamino)-2-methoxyphenyl]-6-methoxy-4-oxo-1,4-dihydroquinoline-3-carboxamide1232808-13-7C20H19N3O5
- N-(2,3-Dihydrobenzo[b][1,4]dioxin-6-yl)-3-(3-(furan-2-yl)-6-oxopyridazin-1(6H)-yl)-2-methylpropanamide1286719-81-0C20H19N3O5
- 8-Methoxy-3-(4-(pyrazin-2-yloxy)piperidine-1-carbonyl)-2H-chromen-2-one1421498-82-9C20H19N3O5
- 2-{3-[(6-Methoxypyrazin-2-yl)oxy]piperidine-1-carbonyl}-4H-chromen-4-one2034437-70-0C20H19N3O5
- N-(2-Methoxy-5-methylphenyl)-3-(4-methoxyphenyl)-2,4-dioxo-1,2,3,4-tetrahydropyrimidine-5-carboxamide887897-86-1C20H19N3O5
- 2-((6-(Indolin-1-ylmethyl)-4-oxo-4H-pyran-3-yl)oxy)-N-(5-methylisoxazol-3-yl)acetamide898418-05-8C20H19N3O5
- N-(3,5-Dimethoxyphenyl)-2-(2,3-dioxo-4-phenylpyrazin-1-yl)acetamide899213-27-5C20H19N3O5
- N-(2,4-Dimethoxyphenyl)-1-(4-methoxyphenyl)-4-oxo-1,4-dihydropyridazine-3-carboxamide879583-10-5C20H19N3O5
- N-[4-(4-Propoxyphenyl)-1,2,5-oxadiazol-3-yl]-2,3-dihydro-1,4-benzodioxine-2-carboxamide898606-59-2C20H19N3O5
- (Z)-N-(1-(3-Methoxyphenyl)-5-oxopyrrolidin-3-yl)-3-(4-nitrophenyl)acrylamide898462-23-2C20H19N3O5
- N-[2-(2,3-Dihydro-1,4-benzodioxin-6-ylamino)-2-oxoethyl]-4-methoxy-1H-indole-2-carboxamide951943-19-4C20H19N3O5
- 2-[4-(3,4-Dimethoxyphenyl)-2,3-dioxo-1,2,3,4-tetrahydropyrazin-1-yl]-N-phenylacetamide891868-54-5C20H19N3O5
- N-[2-(1,3-Benzodioxol-5-ylamino)-2-oxoethyl]-5-methoxy-1-methyl-1H-indole-2-carboxamide1010892-58-6C20H19N3O5
- N-[3-(1,3-Benzodioxol-5-ylamino)-3-oxopropyl]-4-methoxy-1H-indole-2-carboxamide1010929-40-4C20H19N3O5
- 7-Nitro-18-oxo-11,19-diazapentacyclo[11.7.1.02,11.05,10.014,19]henicosa-5(10),6,8,14,16-pentaene-3-carboxylic acid1212335-75-5C20H19N3O5
- 3-[1-(2-Ethoxyethyl)-2-(4-nitrophenyl)-4-oxoazetidin-3-yl]oxybenzonitrile1241067-26-4C20H19N3O5
- N-(2-(3-(Furan-2-yl)-6-oxopyridazin-1(6H)-yl)ethyl)-3-methyl-2,3-dihydrobenzo[b][1,4]dioxine-2-carboxamide1226433-33-5C20H19N3O5
- N-[2,3-Dihydro-4-(2-methoxyethoxy)-3-benzofuranyl]-6-nitro-2-quinolinamine1187161-77-8C20H19N3O5
- 8-Methoxy-3-(4-(pyridazin-3-yloxy)piperidine-1-carbonyl)-2H-chromen-2-one1797128-20-1C20H19N3O5
- (E)-3-(3,4-Dimethoxyphenyl)-N-(2-(5,7-dioxo-5H-pyrrolo[3,4-b]pyridin-6(7H)-yl)ethyl)acrylamide2034890-62-3C20H19N3O5
- 2H-Isoindole-2-hexanamide, 1,3-dihydro-N-(4-nitrophenyl)-1,3-dioxo-59472-18-3C20H19N3O5
- N-(2,3-Dihydro-1,4-benzodioxin-6-yl)-3-[3-(2-methoxyphenyl)-1,2,4-oxadiazol-5-yl]propanamide879046-60-3C20H19N3O5
- (E)-N-(3-Morpholino-1-(3-nitrophenyl)-3-oxoprop-1-en-2-yl)benzamide313959-98-7C20H19N3O5
- 2-Cyano-N-(2-hydroxy-4-nitrophenyl)-3-[4-(2-methylpropoxy)phenyl]prop-2-enamide444073-62-5C20H19N3O5
- (2E)-N-[4-(3,4-Dimethoxyphenyl)-1,2,5-oxadiazol-3-yl]-3-(4-methoxyphenyl)prop-2-enamide898635-41-1C20H19N3O5
- N-(2,5-Dimethoxyphenyl)-4-methoxy-6-oxo-1-phenyl-1,6-dihydropyridazine-3-carboxamide941948-35-2C20H19N3O5
- N-(3,4-Dimethoxyphenyl)-4-methoxy-6-oxo-1-phenyl-1,6-dihydropyridazine-3-carboxamide941944-27-0C20H19N3O5
- N-(3,5-Dimethoxyphenyl)-4-methoxy-6-oxo-1-phenyl-1,6-dihydropyridazine-3-carboxamide941948-42-1C20H19N3O5
- Methyl 4-[[(2E)-3-(1,3-dioxoisoindol-2-yl)-2-hydroxyiminopropyl]-methylamino]benzoate57245-76-8C20H19N3O5
- N-(2,4-Dimethoxyphenyl)-4-methoxy-6-oxo-1-phenyl-1,6-dihydropyridazine-3-carboxamide941899-79-2C20H19N3O5
Frequently asked questions
What is the molar mass of C20H19N3O5?
The molar mass of C20H19N3O5 is 381.39 g/mol, calculated from standard atomic weights for 20 carbon atoms, 19 hydrogen atoms, 3 nitrogen atoms and 5 oxygen atoms. The monoisotopic mass is 381.1325 Da.
How many compounds have the formula C20H19N3O5?
CompoundList lists 125 compounds with the molecular formula C20H19N3O5, including Benzyl 1,6-dimethyl-4-(2-nitrophenyl)-2-oxo-1,2,3,4-tetrahydropyrimidine-5-carboxylate, N-(3-Acetylphenyl)-3-(2-methoxyethyl)-2,4-dioxo-1,2,3,4-tetrahydroquinazoline-7-carboxamide, 4-(5-(3-Nitrophenyl)-3-(p-tolyl)-4,5-dihydro-1H-pyrazol-1-yl)-4-oxobutanoic acid. 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 C20H19N3O5?
C20H19N3O5 has a degree of unsaturation of 13. 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.