Molecular formula
C18H20N4O4
188 compounds have this formula on CompoundList.
- Molar mass
- 356.38g/mol
- Monoisotopic mass
- 356.1485Da
- Atoms
- 46
- Elements
- 4
- Rings plus double bonds
- 11
The formula C18H20N4O4 describes a molecule made of 18 carbon atoms, 20 hydrogen atoms, 4 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 × 1860.66%12.011 × 18 = 216.198 g/mol
- H Hydrogen × 205.66%1.008 × 20 = 20.160 g/mol
- N Nitrogen × 415.72%14.007 × 4 = 56.028 g/mol
- O Oxygen × 417.96%15.999 × 4 = 63.996 g/mol
Look up another formula
Compounds with the formula C18H20N4O4
Isomers we list, best known first. Open one to see its structure, properties, safety data and suppliers.
Showing 1 to 100 of 188 compounds
JNK Inhibitor VIII
CAS 894804-07-0C18H20N4O4
BW A1433U
CAS 94781-78-9C18H20N4O4
CL 232468
CAS 96555-65-6C18H20N4O4
N-(4-Methoxyphenyl)-4-(4-nitrophenyl)piperazine-1-carboxamide
CAS 332945-53-6C18H20N4O4
Cblc000
CAS 324780-02-1C18H20N4O4
(5-Amino-4,4,6-tricyano-3-ethoxycarbonylmethyl-3-methyl-cyclohexa-1,5-dienyl)-acetic acid ethyl ester
CAS 52903-73-8C18H20N4O4
1-Benzyl-N-(2,4-dinitrophenyl)piperidin-4-amine
CAS 866150-84-7C18H20N4O4
![4-[3-(Cyclopropylamino)-4-nitrophenyl]piperazinyl 2-furyl ketone chemical structure, C18H20N4O4, CAS 347355-41-3](/s/SHUCPGOHJQGCLO-UHFFFAOYSA-N.svg)
4-[3-(Cyclopropylamino)-4-nitrophenyl]piperazinyl 2-furyl ketone
CAS 347355-41-3C18H20N4O4
![2-[3-Benzyl-7-(2-methylpropyl)-2,6-dioxo-2,3,6,7-tetrahydro-1H-purin-1-yl]acetic acid chemical structure, C18H20N4O4, CAS 730992-40-2](/s/AYLCKDHANSZWMH-UHFFFAOYSA-N.svg)
2-[3-Benzyl-7-(2-methylpropyl)-2,6-dioxo-2,3,6,7-tetrahydro-1H-purin-1-yl]acetic acid
CAS 730992-40-2C18H20N4O4
![7-((3-Ethylphenoxy)methyl)-1,3-dimethyl-6,7-dihydrooxazolo[2,3-f]purine-2,4(1H,3H)-dione chemical structure, C18H20N4O4, CAS 879071-43-9](/s/VKDLPAOVRLBXNV-UHFFFAOYSA-N.svg)
7-((3-Ethylphenoxy)methyl)-1,3-dimethyl-6,7-dihydrooxazolo[2,3-f]purine-2,4(1H,3H)-dione
CAS 879071-43-9C18H20N4O4
![Methyl 1-(3-ethoxypropyl)-2-imino-5-oxo-1,5-dihydro-2H-dipyrido[1,2-A:2,3-D]pyrimidine-3-carboxylate chemical structure, C18H20N4O4, CAS 510762-89-7](/s/RULBWHQJVCKPCO-UHFFFAOYSA-N.svg)
Methyl 1-(3-ethoxypropyl)-2-imino-5-oxo-1,5-dihydro-2H-dipyrido[1,2-A:2,3-D]pyrimidine-3-carboxylate
CAS 510762-89-7C18H20N4O4
![Ethyl 2-imino-1-(2-methoxyethyl)-10-methyl-5-oxo-1,5-dihydro-2H-dipyrido[1,2-A:2,3-D]pyrimidine-3-carboxylate chemical structure, C18H20N4O4, CAS 371116-82-4](/s/RGNTTZJVXNNLLP-UHFFFAOYSA-N.svg)
Ethyl 2-imino-1-(2-methoxyethyl)-10-methyl-5-oxo-1,5-dihydro-2H-dipyrido[1,2-A:2,3-D]pyrimidine-3-carboxylate
CAS 371116-82-4C18H20N4O4
![1-(2,3-Dihydro-1,4-benzodioxin-6-yl)-3-[(2S)-1-hydrazinyl-1-oxo-3-phenylpropan-2-yl]urea chemical structure, C18H20N4O4, CAS 958984-67-3](/s/DCTHMDUMZKLGEK-AWEZNQCLSA-N.svg)
1-(2,3-Dihydro-1,4-benzodioxin-6-yl)-3-[(2S)-1-hydrazinyl-1-oxo-3-phenylpropan-2-yl]urea
CAS 958984-67-3C18H20N4O4
![1-{[3-(4-Methoxyphenyl)-2-methyltetrahydro-5-isoxazolyl]methyl}-3-methyl-2,4-dioxo-1,2,3,4-tetrahydro-5-pyrimidinecarbonitrile chemical structure, C18H20N4O4, CAS 338399-94-3](/s/HTQPNFPOZPISAD-UHFFFAOYSA-N.svg)
1-{[3-(4-Methoxyphenyl)-2-methyltetrahydro-5-isoxazolyl]methyl}-3-methyl-2,4-dioxo-1,2,3,4-tetrahydro-5-pyrimidinecarbonitrile
CAS 338399-94-3C18H20N4O4
![Ethyl 6-imino-7-(3-methoxypropyl)-2-oxo-1,7,9-triazatricyclo[8.4.0.0^{3,8}]tetradeca-3(8),4,9,11,13-pentaene-5-carboxylate chemical structure, C18H20N4O4, CAS 510762-58-0](/s/WTAVLCNPXCXFJO-UHFFFAOYSA-N.svg)
Ethyl 6-imino-7-(3-methoxypropyl)-2-oxo-1,7,9-triazatricyclo[8.4.0.0^{3,8}]tetradeca-3(8),4,9,11,13-pentaene-5-carboxylate
CAS 510762-58-0C18H20N4O4
![6-Amino-3-ethyl-4-(3,4,5-trimethoxyphenyl)-1,4-dihydropyrano[2,3-c]pyrazole-5-carbonitrile chemical structure, C18H20N4O4, CAS 364621-90-9](/s/NAXCKDUFWJOUNY-UHFFFAOYSA-N.svg)
6-Amino-3-ethyl-4-(3,4,5-trimethoxyphenyl)-1,4-dihydropyrano[2,3-c]pyrazole-5-carbonitrile
CAS 364621-90-9C18H20N4O4
![Ethyl 2-[2-(3,5-dimethylpyrazol-1-yl)-4-oxoquinazolin-3-yl]oxypropanoate chemical structure, C18H20N4O4, CAS 850752-49-7](/s/CORLURGZSGZLTN-UHFFFAOYSA-N.svg)
Ethyl 2-[2-(3,5-dimethylpyrazol-1-yl)-4-oxoquinazolin-3-yl]oxypropanoate
CAS 850752-49-7C18H20N4O4
(E)-N-(2-(2-(1-(2,4-Dimethoxyphenyl)ethylidene)hydrazinyl)-2-oxoethyl)nicotinamide
CAS 372506-20-2C18H20N4O4
![(2R,3R,4R,5R)-2-(4-Amino-5-phenyl-pyrrolo[2,3-d]pyrimidin-7-yl)-5-(hydroxymethyl)-3-methyl-tetrahydrofuran-3,4-diol chemical structure, C18H20N4O4, CAS 1252858-53-9](/s/ABYOCCRGYFOCPN-AXYPVASZSA-N.svg)
(2R,3R,4R,5R)-2-(4-Amino-5-phenyl-pyrrolo[2,3-d]pyrimidin-7-yl)-5-(hydroxymethyl)-3-methyl-tetrahydrofuran-3,4-diol
CAS 1252858-53-9C18H20N4O4
Acetil acid
CAS 147676-78-6C18H20N4O4
![N-[2-(3,4-Dimethoxyphenyl)ethyl]-6-methyl-4-oxo-4H,5H-pyrazolo[1,5-A]pyrazine-2-carboxamide chemical structure, C18H20N4O4, CAS 1775456-93-3](/s/ZGIKCFGRCCOBNL-UHFFFAOYSA-N.svg)
N-[2-(3,4-Dimethoxyphenyl)ethyl]-6-methyl-4-oxo-4H,5H-pyrazolo[1,5-A]pyrazine-2-carboxamide
CAS 1775456-93-3C18H20N4O4
1H-Purine-2,6-dione, 3,7-dihydro-8-(2-(2,3-dimethoxyphenyl)ethenyl)-1,3,7-trimethyl-, (E)-
CAS 147700-17-2C18H20N4O4
![N-[2-(1H-Imidazol-4-yl)ethyl]-2-(3-methoxypropyl)-1,3-dioxo-2,3-dihydro-1H-isoindole-5-carboxamide chemical structure, C18H20N4O4, CAS 1144432-56-3](/s/VBHITEJVSUSEDX-UHFFFAOYSA-N.svg)
N-[2-(1H-Imidazol-4-yl)ethyl]-2-(3-methoxypropyl)-1,3-dioxo-2,3-dihydro-1H-isoindole-5-carboxamide
CAS 1144432-56-3C18H20N4O4
![2-Ethoxy-N-(2-methoxy-5-(6-methoxyimidazo[1,2-b]pyridazin-2-yl)phenyl)acetamide chemical structure, C18H20N4O4, CAS 952969-30-1](/s/NWUHEVGWZVLYMW-UHFFFAOYSA-N.svg)
2-Ethoxy-N-(2-methoxy-5-(6-methoxyimidazo[1,2-b]pyridazin-2-yl)phenyl)acetamide
CAS 952969-30-1C18H20N4O4
- 4-(2-Methoxyphenyl)-N-(3-nitrophenyl)piperazine-1-carboxamide881989-22-6C18H20N4O4
- N-(6-Ethoxypyrimidin-4-yl)-1-(3-methoxyphenyl)-5-oxopyrrolidine-3-carboxamide1421522-35-1C18H20N4O4
- N-(Phenylmethyl)-7-beta-D-ribofuranosyl-7H-pyrrolo[2,3-d]pyrimidin-4-amine57913-63-0C18H20N4O4
- Norneovardenafil358390-39-3C18H20N4O4
- 1 suppliersImiquimod maleate896106-16-4C18H20N4O4
- 3,4-Didesmethyl istradefylline155272-03-0C18H20N4O4
- 5-(4-Aminopiperidin-1-yl)-2-(2,6-dioxopiperidin-3-yl)isoindoline-1,3-dione2636798-55-3C18H20N4O4
- 1-(5-(5,6-Dihydro-2H-pyran-3-yl)-4-((5-methoxypyridin-3-yl)oxy)pyridin-2-yl)-3-methylurea1442675-99-1C18H20N4O4
- Methyl 6-imino-7-(3-methoxypropyl)-13-methyl-2-oxo-1,7,9-triazatricyclo[8.4.0.0^{3,8}]tetradeca-3(8),4,9,11,13-pentaene-5-carboxylate842963-86-4C18H20N4O4
- 6-Amino-3-ethyl-4-(2,3,4-trimethoxyphenyl)-1,4-dihydropyrano[2,3-c]pyrazole-5-carbonitrile444117-58-2C18H20N4O4
- 7-((3,4-Dimethylphenoxy)methyl)-1,3-dimethyl-6,7-dihydrooxazolo[2,3-f]purine-2,4(1H,3H)-dione879071-36-0C18H20N4O4
- 1-(4-Ethoxyphenyl)-N-(furan-2-ylmethyl)-5-(methoxymethyl)-1H-1,2,3-triazole-4-carboxamide950230-80-5C18H20N4O4
- (3S)-3-[(7R)-14-Oxo-9-oxa-2,5,13-triazatetracyclo[8.7.0.02,7.011,15]heptadeca-1(10),11(15),16-trien-13-yl]piperidine-2,6-dione3026009-09-3C18H20N4O4
- N-(1,3-Benzodioxol-5-yl)-2-{[6-methyl-2-(pyrrolidin-1-yl)pyrimidin-4-yl]oxy}acetamide1030097-27-8C18H20N4O4
- 4-(4-Aminopiperidin-1-yl)-2-(2,6-dioxopiperidin-3-yl)-2,3-dihydro-1H-isoindole-1,3-dione2154342-34-2C18H20N4O4
- 5-(4-Methyl-phenyl)-7-|A-D-ribofuranosyl-7H-pyrrolo[2,3-d]pyrimidin-4-amine2307607-20-9C18H20N4O4
- 7-(3-Deoxy-|A-D-erythro-pentofuranosyl)-5-(4-methoxyphenyl)-7H-pyrrolo[2,3-d]pyrimidin-4-amine2257426-65-4C18H20N4O4
- N'-[4-(Diethylamino)-2-hydroxybenzylidene]-3-nitrobenzohydrazide304480-66-8C18H20N4O4
- Ethyl 7-amino-2-(methoxymethyl)-3-(4-methoxyphenyl)pyrazolo[1,5-a]pyrimidine-6-carboxylate945319-48-2C18H20N4O4
- 7-(2-Methoxyethyl)-1,3-dimethyl-2,4-dioxo-N-phenyl-2,3,4,7-tetrahydro-1H-pyrrolo[2,3-d]pyrimidine-6-carboxamide1021133-60-7C18H20N4O4
- N-(2H-1,3-Benzodioxol-5-yl)-2-[4-methyl-6-oxo-2-(pyrrolidin-1-yl)-1,6-dihydropyrimidin-1-yl]acetamide1251609-40-1C18H20N4O4
- 5-{[(3-Aminocyclobutyl)methyl]amino}-2-(2,6-dioxopiperidin-3-yl)-2,3-dihydro-1H-isoindole-1,3-dione2703756-15-2C18H20N4O4
- 5-{[3-(Aminomethyl)cyclobutyl]amino}-2-(2,6-dioxopiperidin-3-yl)-2,3-dihydro-1H-isoindole-1,3-dione2703756-16-3C18H20N4O4
- 2-((4-Amino-2,5-dimethoxyphenyl)azo)-3-oxo-N-phenylbutyramide85851-59-8C18H20N4O4
- (3E)-N-[2-(Acetylamino)phenyl]-3-{2-[(2-methylfuran-3-yl)carbonyl]hydrazinylidene}butanamide381695-77-8C18H20N4O4
- Topoisomerase II inhibitor 399140-25-7C18H20N4O4
- 7-{[5-(Piperidin-1-ylcarbonyl)-1,2,4-oxadiazol-3-yl]methoxy}-3,4-dihydroquinolin-2(1H)-one1040689-84-6C18H20N4O4
- (R)-3-(2-Cyclopropyl-5-nitro-pyrimidin-4-ylamino)-3-phenyl-propionic acid ethyl ester1217530-94-3C18H20N4O4
- 3-(3,5-Dimethylisoxazol-4-yl)-N-(2-(3-hydroxy-2-oxoquinoxalin-1(2H)-yl)ethyl)propanamide1401556-61-3C18H20N4O4
- N-{2-[4-Cyclopropyl-3-(furan-2-yl)-5-oxo-4,5-dihydro-1H-1,2,4-triazol-1-yl]ethyl}-2,5-dimethylfuran-3-carboxamide1797738-43-2C18H20N4O4
- N-(Benzo[d][1,3]dioxol-5-ylmethyl)-3-((6-methylpyridazin-3-yl)oxy)pyrrolidine-1-carboxamide2034482-60-3C18H20N4O4
- Thalidomide-N-methylpiperazine2924858-30-8C18H20N4O4
- Benzoic acid, 4-nitro-, 2-(4-((diethylamino)carbonyl)phenyl)hydrazide109358-69-2C18H20N4O4
- 2,4-Dinitro-N-[(E)-1-phenylhexylideneamino]aniline38038-38-9C18H20N4O4
- Ethyl 7-amino-3-(3,4-dimethoxyphenyl)-2-methylpyrazolo[1,5-a]pyrimidine-6-carboxylate892257-67-9C18H20N4O4
- 1-(1-(3,4-Dimethoxyphenyl)-5-oxopyrrolidin-3-yl)-3-(pyridin-4-yl)urea891116-28-2C18H20N4O4
- 5-((3,4-Dimethoxyphenyl)amino)-1,3,6-trimethylpyrido[2,3-d]pyrimidine-2,4(1H,3H)-dione946305-05-1C18H20N4O4
- N-(4-Methylphenyl)-1-[2-(morpholin-4-yl)-2-oxoethyl]-6-oxo-1,6-dihydropyridazine-3-carboxamide1171384-08-9C18H20N4O4
- N-(Cyclopropylmethyl)-2-(7,8-dimethoxy-4-oxo-4,5-dihydro-3H-pyrimido[5,4-b]indol-3-yl)acetamide1189449-45-3C18H20N4O4
- 1-(3-Methoxyphenyl)-5-oxo-N-(2-(6-oxopyridazin-1(6H)-yl)ethyl)pyrrolidine-3-carboxamide1211803-36-9C18H20N4O4
- (5-(Furan-2-yl)isoxazol-3-yl)(4-(5-isopropyl-1,3,4-oxadiazol-2-yl)piperidin-1-yl)methanone1210725-59-9C18H20N4O4
- N-[2-(6,7-Dimethoxy-3,4-dihydroisoquinolin-2(1H)-yl)-2-oxoethyl]pyrazine-2-carboxamide1401579-58-5C18H20N4O4
- 2-(Benzo[d][1,3]dioxol-5-yloxy)-1-(4-(6-methylpyrimidin-4-yl)piperazin-1-yl)ethanone1396761-30-0C18H20N4O4
- 5,5'-(Piperazine-2,5-diyl)bis(2-hydroxybenzamide)2517940-02-0C18H20N4O4
- Urea, 1,1'-vinylenebis(3-(p-methoxyphenyl)-(E)-25524-55-4C18H20N4O4
- 1H-Purine-2,6-dione, 3,7-dihydro-8-(2-(2,4-dimethoxyphenyl)ethenyl)-1,3,7-trimethyl-, (E)-155271-21-9C18H20N4O4
- 1H-Purine-2,6-dione, 3,7-dihydro-8-(2-(2,4-dimethoxy-3-methylphenyl)ethenyl)-1,3-dimethyl-, (E)-155271-24-2C18H20N4O4
- 6-(4-Acetylpiperazine-1-carbonyl)-5-methoxy-2-phenylpyridazin-3-one921557-91-7C18H20N4O4
- (2E)-2-{3-Ethoxy-4-[2-oxo-2-(phenylamino)ethoxy]benzylidene}hydrazinecarboxamide834912-79-7C18H20N4O4
- 1-(1-(3,4-Dimethoxyphenyl)-5-oxopyrrolidin-3-yl)-3-(pyridin-2-yl)urea894021-46-6C18H20N4O4
- 1-(1-(3,4-Dimethoxyphenyl)-5-oxopyrrolidin-3-yl)-3-(pyridin-3-yl)urea894021-54-6C18H20N4O4
- N-(2-Methoxyethyl)-5-methyl-2,4-dioxo-3-(p-tolyl)-2,3,4,5-tetrahydro-1H-pyrrolo[3,2-d]pyrimidine-7-carboxamide921853-15-8C18H20N4O4
- 3-Benzyl-N-(2-methoxyethyl)-5-methyl-2,4-dioxo-2,3,4,5-tetrahydro-1H-pyrrolo[3,2-d]pyrimidine-7-carboxamide921807-62-7C18H20N4O4
- N-(2,2-Dimethoxyethyl)-5-methyl-3-oxo-2-phenyl-3,5-dihydro-2H-pyrazolo[4,3-c]pyridine-7-carboxamide923233-43-6C18H20N4O4
- N-(Benzo[d][1,3]dioxol-5-yl)-4-(5-cyclopropyl-1,3,4-oxadiazol-2-yl)piperidine-1-carboxamide1171070-32-8C18H20N4O4
- 2-(7,8-Dimethoxy-2-oxo-1,2-dihydro-3H-3-benzazepin-3-yl)-N-(1-methyl-1H-pyrazol-3-yl)acetamide1574411-79-2C18H20N4O4
- 2-(7,8-Dimethoxy-2-oxo-1,2-dihydro-3H-3-benzazepin-3-yl)-N-(1-methyl-1H-pyrazol-4-yl)acetamide1574325-15-7C18H20N4O4
- 2-(Cyclopropanecarboxamido)-N-(4-morpholinophenyl)oxazole-4-carboxamide1396793-24-0C18H20N4O4
- Benzo[d][1,3]dioxol-5-yl(3-((6-(dimethylamino)pyrazin-2-yl)oxy)pyrrolidin-1-yl)methanone2034317-78-5C18H20N4O4
- N-(Benzo[d][1,3]dioxol-5-ylmethyl)-3-(pyrazin-2-yloxy)piperidine-1-carboxamide2034228-32-3C18H20N4O4
- 2-(2-(3-((1-Cyclopropyl-6-methyl-2-oxo-1,2-dihydropyridin-4-yl)oxy)azetidin-1-yl)-2-oxoethyl)pyridazin-3(2H)-one2034312-40-6C18H20N4O4
- 3-(2-(3-(3-Methyl-1,2,4-oxadiazol-5-yl)-4-phenylpyrrolidin-1-yl)-2-oxoethyl)oxazolidin-2-one1903716-70-0C18H20N4O4
- 2-(2-Oxobenzo[d]oxazol-3(2H)-yl)-N-(1-((tetrahydro-2H-pyran-2-yl)methyl)-1H-pyrazol-4-yl)acetamide2034373-40-3C18H20N4O4
- 2-(Benzo[d][1,3]dioxol-5-yloxy)-1-(3-(4-cyclopropyl-1H-1,2,3-triazol-1-yl)azetidin-1-yl)propan-1-one2097889-32-0C18H20N4O4
- N-{2-[2-(2,5-Dioxopyrrolidin-1-yl)ethoxy]ethyl}-3-(1H-pyrazol-1-yl)benzamide2034615-11-5C18H20N4O4
- 4-[(E)-[4-[(E)-(2,4-Dihydroxyphenyl)methylideneamino]piperazin-1-yl]iminomethyl]benzene-1,3-diol21323-28-4C18H20N4O4
- N-(2,2-Dimethoxyethyl)-3-methyl-4-oxo-1-phenyl-4,7-dihydro-1H-pyrazolo[3,4-b]pyridine-5-carboxamide923173-39-1C18H20N4O4
- 2-(2,6-Dioxopiperidin-3-yl)-4-[(piperidin-3-yl)amino]-2,3-dihydro-1H-isoindole-1,3-dione2154342-40-0C18H20N4O4
- 2-(2,6-Dioxopiperidin-3-yl)-4-{[(pyrrolidin-3-yl)methyl]amino}-2,3-dihydro-1H-isoindole-1,3-dione2154342-36-4C18H20N4O4
- 4-(3-Aminopiperidin-1-yl)-2-(2,6-dioxopiperidin-3-yl)isoindoline-1,3-dione2750809-60-8C18H20N4O4
- 2-(2,6-Dioxopiperidin-3-yl)-4-(3-methylpiperazin-1-yl)isoindoline-1,3-dione2748165-49-1C18H20N4O4
- 5-(1,4-Diazepan-1-yl)-2-(2,6-dioxopiperidin-3-yl)-2,3-dihydro-1H-isoindole-1,3-dione2505500-24-1C18H20N4O4
- (3S)-3-[(7S)-14-Oxo-9-oxa-2,5,13-triazatetracyclo[8.7.0.02,7.011,15]heptadeca-1(10),11(15),16-trien-13-yl]piperidine-2,6-dione3026010-13-6C18H20N4O4
- Benzo[d][1,3]dioxol-5-yl(4-(6-methoxy-2-methylpyrimidin-4-yl)piperazin-1-yl)methanone946371-45-5C18H20N4O4
- (1R,2R)-N~1~,N~2~-Bis(4-nitrophenyl)cyclohexane-1,2-diamine71603-18-4C18H20N4O4
- N-(2-Methoxybenzyl)-5-(2-methoxyethyl)-3-oxo-3,5-dihydro-2H-pyrazolo[4,3-c]pyridine-7-carboxamide1206998-88-0C18H20N4O4
Frequently asked questions
What is the molar mass of C18H20N4O4?
The molar mass of C18H20N4O4 is 356.38 g/mol, calculated from standard atomic weights for 18 carbon atoms, 20 hydrogen atoms, 4 nitrogen atoms and 4 oxygen atoms. The monoisotopic mass is 356.1485 Da.
How many compounds have the formula C18H20N4O4?
CompoundList lists 188 compounds with the molecular formula C18H20N4O4, including JNK Inhibitor VIII, BW A1433U, CL 232468. 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 C18H20N4O4?
C18H20N4O4 has a degree of unsaturation of 11. 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.