Molecular formula
C18H18N2O4
438 compounds have this formula on CompoundList.
- Molar mass
- 326.35g/mol
- Monoisotopic mass
- 326.1267Da
- Atoms
- 42
- Elements
- 4
- Rings plus double bonds
- 11
The formula C18H18N2O4 describes a molecule made of 18 carbon atoms, 18 hydrogen atoms, 2 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 × 1866.25%12.011 × 18 = 216.198 g/mol
- H Hydrogen × 185.56%1.008 × 18 = 18.144 g/mol
- N Nitrogen × 28.58%14.007 × 2 = 28.014 g/mol
- O Oxygen × 419.61%15.999 × 4 = 63.996 g/mol
Look up another formula
Compounds with the formula C18H18N2O4
Isomers we list, best known first. Open one to see its structure, properties, safety data and suppliers.
Showing 101 to 200 of 438 compounds
3-(4-Methoxyanilino)-1-(4-methoxyphenyl)pyrrolidine-2,5-dione
CAS 37034-97-2C18H18N2O4
![3-[1-(2,3-Dimethoxyphenyl)-2-nitroethyl]-1H-indole chemical structure, C18H18N2O4, CAS 33723-32-9](/s/QSSRNEAHPFPSJZ-UHFFFAOYSA-N.svg)
3-[1-(2,3-Dimethoxyphenyl)-2-nitroethyl]-1H-indole
CAS 33723-32-9C18H18N2O4
![2-({3-[(Isopropylamino)carbonyl]anilino}carbonyl)-benzoic acid chemical structure, C18H18N2O4, CAS 940494-50-8](/s/RNMNRZYQFPQTPG-UHFFFAOYSA-N.svg)
2-({3-[(Isopropylamino)carbonyl]anilino}carbonyl)-benzoic acid
CAS 940494-50-8C18H18N2O4
![2-({4-[(Propylamino)carbonyl]anilino}carbonyl)-benzoic acid chemical structure, C18H18N2O4, CAS 940494-06-4](/s/QJIDTEOHQSAADO-UHFFFAOYSA-N.svg)
2-({4-[(Propylamino)carbonyl]anilino}carbonyl)-benzoic acid
CAS 940494-06-4C18H18N2O4
![Ethyl (10-ethyl-11-oxo-10,11-dihydrodibenzo[b,f][1,4]oxazepin-2-yl)carbamate chemical structure, C18H18N2O4, CAS 922029-50-3](/s/RLHBXNGNLUURTN-UHFFFAOYSA-N.svg)
Ethyl (10-ethyl-11-oxo-10,11-dihydrodibenzo[b,f][1,4]oxazepin-2-yl)carbamate
CAS 922029-50-3C18H18N2O4
5-Ethoxy-2-(4-(4-methoxyphenoxy)-1H-pyrazol-3-yl)phenol
CAS 1009469-88-8C18H18N2O4
N-(1,3-Benzodioxol-5-ylmethyl)-N'-(4-ethylphenyl)oxamide
CAS 313067-56-0C18H18N2O4
![2-(2-Hydroxyethyl)-6-(morpholin-4-yl)-1H-benzo[de]isoquinoline-1,3(2H)-dione chemical structure, C18H18N2O4, CAS 164584-67-2](/s/PISZFGQUZQMCLY-UHFFFAOYSA-N.svg)
2-(2-Hydroxyethyl)-6-(morpholin-4-yl)-1H-benzo[de]isoquinoline-1,3(2H)-dione
CAS 164584-67-2C18H18N2O4
3-Amino-2-(9H-fluoren-9-ylmethoxycarbonylamino)propanoic acid
CAS 326486-41-3C18H18N2O4
![2-{[4-(Isobutyrylamino)anilino]-carbonyl}benzoic acid chemical structure, C18H18N2O4, CAS 925168-82-7](/s/ULMHFNHMRRCWDM-UHFFFAOYSA-N.svg)
2-{[4-(Isobutyrylamino)anilino]-carbonyl}benzoic acid
CAS 925168-82-7C18H18N2O4
![2-{[3-(Isobutyrylamino)anilino]-carbonyl}benzoic acid chemical structure, C18H18N2O4, CAS 925610-04-4](/s/CDJMLLRHXJSXOG-UHFFFAOYSA-N.svg)
2-{[3-(Isobutyrylamino)anilino]-carbonyl}benzoic acid
CAS 925610-04-4C18H18N2O4
![2-({3-[(Propylamino)carbonyl]anilino}carbonyl)-benzoic acid chemical structure, C18H18N2O4, CAS 940505-42-0](/s/JLHRJHDECOQVRA-UHFFFAOYSA-N.svg)
2-({3-[(Propylamino)carbonyl]anilino}carbonyl)-benzoic acid
CAS 940505-42-0C18H18N2O4
Ethyl 2-(4-acetamidobenzamido)benzoate
CAS 349395-00-2C18H18N2O4
2-(3-Nitrophenyl)-8-(propan-2-ylidene)hexahydro-1H-4,7-methanoisoindole-1,3(2H)-dione
CAS 489452-23-5C18H18N2O4
2-Amino-4-(3,5-dimethoxyphenyl)-5-oxo-5,6,7,8-tetrahydro-4H-chromene-3-carbonitrile
CAS 340808-83-5C18H18N2O4
![{2-[(9-Ethyl-9H-carbazol-3-yl)amino]-2-oxoethoxy}acetic acid chemical structure, C18H18N2O4, CAS 737771-40-3](/s/BCDTTXBQXYGBDC-UHFFFAOYSA-N.svg)
{2-[(9-Ethyl-9H-carbazol-3-yl)amino]-2-oxoethoxy}acetic acid
CAS 737771-40-3C18H18N2O4
![4-{4-[(Methylanilino)carbonyl]anilino}-4-oxobutanoic acid chemical structure, C18H18N2O4, CAS 941464-00-2](/s/HVVDYJQKOFKSCT-UHFFFAOYSA-N.svg)
4-{4-[(Methylanilino)carbonyl]anilino}-4-oxobutanoic acid
CAS 941464-00-2C18H18N2O4
(E)-3-(5-(4-Nitrophenyl)furan-2-yl)-1-(piperidin-1-yl)prop-2-en-1-one
CAS 303775-11-3C18H18N2O4
N-(1,3-Benzodioxol-5-ylmethyl)-N'-(2-phenylethyl)ethanediamide
CAS 331869-63-7C18H18N2O4
2-Amino-4-(2,5-dimethoxyphenyl)-5-oxo-5,6,7,8-tetrahydro-4H-chromene-3-carbonitrile
CAS 304875-26-1C18H18N2O4
Imidafenacin impurity
CAS 503598-07-0C18H18N2O4
6,7-Dimethoxy-1-(4-nitrobenzyl)-3,4-dihydroisoquinoline
CAS 10268-39-0C18H18N2O4
4-(4-(2-Ethoxyphenoxy)-5-methyl-1H-pyrazol-3-yl)benzene-1,3-diol
CAS 879569-17-2C18H18N2O4
(Z)-1-(3,4-Dimethoxybenzyl)-3-(hydroxyimino)-7-methylindolin-2-one
CAS 867136-30-9C18H18N2O4
- 2-Amino-4-(2,3-dimethoxyphenyl)-5-oxo-5,6,7,8-tetrahydro-4H-chromene-3-carbonitrile315245-06-8C18H18N2O4
- 2-[[2-[(4-Methylbenzoyl)amino]benzoyl]amino]propanoic acid6056-06-0C18H18N2O4
- 2-Ethoxy-4-[1-(1H-indol-3-yl)-2-nitroethyl]phenol731802-23-6C18H18N2O4
- 4-{[(3-Nitrophenyl)methylene]amino}phenyl pivalate331460-58-3C18H18N2O4
- 3-(3,4-Dimethoxyphenyl)-1-(4-methoxyphenyl)-1H-pyrazol-5-ol925587-26-4C18H18N2O4
- Methyl 4-{[3-(propanoylamino)phenyl]carbamoyl}benzoate925194-42-9C18H18N2O4
- Isobutyl-deoxynyboquinone1430798-22-3C18H18N2O4
- 9,10-Anthracenedione, 1,5-bis(dimethylamino)-4,8-dihydroxy-13324-23-7C18H18N2O4
- 1,8-Bis[(2-hydroxyethyl)amino]anthracene-9,10-dione75312-66-2C18H18N2O4
- 4-[[3-(2-Methylpropanoylamino)benzoyl]amino]benzoic acid381671-64-3C18H18N2O4
- 3-(3,4-Dimethoxyphenyl)-5-[(4-methylphenoxy)methyl]-1,2,4-oxadiazole442649-23-2C18H18N2O4
- 4-({4-[Acetyl(methyl)amino]phenyl}carbamoyl)phenyl acetate349624-57-3C18H18N2O4
- 5-Methoxy-2-(4-(4-methoxyphenoxy)-5-methyl-1H-pyrazol-3-yl)phenol1095913-11-3C18H18N2O4
- 5-Methoxy-2-(4-(2-methoxyphenoxy)-5-methyl-1H-pyrazol-3-yl)phenol879569-32-1C18H18N2O4
- 2-(4-(3,4-Dimethoxyphenyl)-1H-pyrazol-3-yl)-5-methoxyphenol879455-38-6C18H18N2O4
- Ethyl 2-{[3-(phenylcarbonylamino)phenyl]carbonylamino}acetate600125-66-4C18H18N2O4
- Ethyl 6-amino-5-cyano-4-(2,3-dihydro-1-benzofuran-5-yl)-2-methyl-4H-pyran-3-carboxylate368870-00-2C18H18N2O4
- N-(1,3-Benzodioxol-5-ylmethyl)-N'-(1-phenylethyl)oxamide423729-92-4C18H18N2O4
- N-(4-Ethoxyphenyl)-3-(2-oxo-1,3-benzoxazol-3(2H)-yl)propanamide851989-18-9C18H18N2O4
- 2,4-Imidazolidinedione, 5-(4-methoxy-3-methylphenyl)-5-(4-methoxyphenyl)-74697-35-1C18H18N2O4
- But-2-enediamide, N,N'-bis(4-methoxyphenyl)-5602-32-4C18H18N2O4
- 4-{3-[(Methylanilino)carbonyl]anilino}-4-oxobutanoic acid941466-07-5C18H18N2O4
- Benzyl (4-(3-oxomorpholino)phenyl)carbamate1313613-18-1C18H18N2O4
- N'-[(1E)-1-(4-Hydroxy-6-methyl-2-oxo-2H-pyran-3-yl)ethylidene]-2-phenylcyclopropanecarbohydrazide420096-66-8C18H18N2O4
- 2-{[2-(Dimethylamino)ethyl]amino}-1,4-dihydroxyanthra-9,10-quinone4009-62-5C18H18N2O4
- 2-({4-[Acetyl(methyl)amino]phenyl}carbamoyl)phenyl acetate349625-59-8C18H18N2O4
- (2E)-N-[2-(4-Methoxyphenyl)ethyl]-3-(4-nitrophenyl)prop-2-enamide313392-94-8C18H18N2O4
- 4-(4-(4-Ethoxyphenoxy)-5-methyl-1H-pyrazol-3-yl)benzene-1,3-diol374699-18-0C18H18N2O4
- 5-Methoxy-2-(4-(3-methoxyphenoxy)-5-methyl-1H-pyrazol-3-yl)phenol879435-10-6C18H18N2O4
- N-[4-(Propanoylamino)phenyl]-2,3-dihydro-1,4-benzodioxine-6-carboxamide328959-77-9C18H18N2O4
- Methyl 4-(4-methoxynaphthalen-1-yl)-6-methyl-2-oxo-1,2,3,4-tetrahydropyrimidine-5-carboxylate426249-57-2C18H18N2O4
- 2-{[2-(Benzoylamino)acetyl]amino}ethyl benzenecarboxylate338419-48-0C18H18N2O4
- Acetic acid, 2-methoxy-4-[(3-methylbenzoylhydrazono)methyl]phenyl ester303768-60-7C18H18N2O4
- 3-(3,4-Dimethoxyphenyl)-1-(2-methoxyphenyl)-1H-pyrazol-5-ol925142-08-1C18H18N2O4
- Methyl 4-{[2-(dimethylcarbamoyl)phenyl]carbamoyl}benzoate925604-41-7C18H18N2O4
- N-(8-Methoxy-2-methylquinolin-4-yl)-5-(methoxymethyl)furan-2-carboxamide1010870-93-5C18H18N2O4
- 3-{[3-(Benzylcarbamoyl)phenyl]carbamoyl}propanoic acid904807-21-2C18H18N2O4
- (2E)-3-(Furan-2-yl)-N-[4-methoxy-3-(2-oxopyrrolidin-1-yl)phenyl]prop-2-enamide1331400-49-7C18H18N2O4
- 1-Ethyl-N-(furan-2-ylmethyl)-6-methoxy-4-oxo-1,4-dihydroquinoline-3-carboxamide1010880-44-0C18H18N2O4
- (E)-1,2-Bis[4-(1,3-dioxolan-2-yl)phenyl]diazene1509927-60-9C18H18N2O4
- N-[4-(2-Methoxyphenoxy)but-2-yn-1-yl]-1-methyl-2-oxo-1,2-dihydropyridine-3-carboxamide1421526-31-9C18H18N2O4
- 2-Methoxy-N-(4-(2-methoxyphenoxy)but-2-yn-1-yl)nicotinamide1428375-37-4C18H18N2O4
- 1H-Indene, 2,3-dihydro-1,1,3-trimethyl-5(or 6)-nitro-3-(4-nitrophenyl)-54648-07-6C18H18N2O4
- 4,4'-Azodibenzyl alcohol diacetate37797-31-2C18H18N2O4
- Succinamic acid, 3-benzamido-N-benzyl-, DL-6461-02-5C18H18N2O4
- 3-({[2-(Butanoylamino)phenyl]carbonyl}amino)benzoic acid402589-73-5C18H18N2O4
- Methyl 3-anilino-2-[(4-methoxybenzoyl)amino]acrylate245039-24-1C18H18N2O4
- 2-(1H-1,3-Benzodiazol-2-yl)-1-(3,4,5-trimethoxyphenyl)ethan-1-one565166-62-3C18H18N2O4
- N-(4-Ethoxy-2-nitrophenyl)-2-phenylcyclopropane-1-carboxamide541524-56-5C18H18N2O4
- 1,2-Bis[4-(2-oxiranylmethoxy)phenyl]diazene1621426-97-8C18H18N2O4
- 6,7-Dimethoxy-3-(2-phenylethyl)quinazoline-2,4(1H,3H)-dione899901-36-1C18H18N2O4
- N-(2-Hydroxy-5-nitrophenyl)(phenylcyclopentyl)formamide1024127-44-3C18H18N2O4
- Methyl 2-(benzoylamino)-3-(4-methoxyanilino)acrylate259810-97-4C18H18N2O4
- N-[(E)-1,3-Benzodioxol-5-ylmethylideneamino]-4-propan-2-yloxybenzamide488094-80-0C18H18N2O4
- N-(2-Methoxy-5-methylphenyl)-3-(2-oxobenzo[d]oxazol-3(2H)-yl)propanamide851989-42-9C18H18N2O4
- (S)-[1-(Benzyloxy)-2-oxo-3-azetidinyl]carbamic acid benzyl ester71404-99-4C18H18N2O4
- N-(4-Ethoxyphenyl)-2-(2-oxo-3,4-dihydro-2H-1,4-benzoxazin-3-yl)acetamide1032333-81-5C18H18N2O4
- 2,6-Dimethoxy-N-(1-methyl-2-oxoindolin-5-yl)benzamide921543-11-5C18H18N2O4
- Ethyl (8,10-dimethyl-11-oxo-10,11-dihydrodibenzo[b,f][1,4]oxazepin-2-yl)carbamate921919-02-0C18H18N2O4
- 2-(3,4-Dimethoxyphenyl)-N-(2-oxoindolin-5-yl)acetamide921546-02-3C18H18N2O4
- N-(1-Cyano-1-cyclopropylethyl)-2-[(4-methyl-2-oxo-2H-chromen-7-yl)oxy]acetamide1090782-58-3C18H18N2O4
- 2-Ethoxy-N-(5-oxo-2,3,4,5-tetrahydrobenzo[f][1,4]oxazepin-7-yl)benzamide922002-62-8C18H18N2O4
- N-(5-Oxo-2,3,4,5-tetrahydrobenzo[f][1,4]oxazepin-7-yl)-2-(p-tolyloxy)acetamide922027-28-9C18H18N2O4
- 2-{[2-Methyl-3-(propionylamino)anilino]carbonyl}benzoic acid1158561-43-3C18H18N2O4
- 2-Nitro-4-[4-(piperidine-1-carbonyl)phenyl]phenol1261924-69-9C18H18N2O4
- (R,S)-[1-(Benzyloxy)-2-oxo-3-azetidinyl]carbamic Acid Benzyl Ester1246814-58-3C18H18N2O4
- N-(2-(Benzofuran-2-yl)-2-hydroxypropyl)-1-methyl-2-oxo-1,2-dihydropyridine-3-carboxamide2034440-31-6C18H18N2O4
- [2-(3-Formyl-benzoylamino)-ethyl]-carbamic acid benzyl ester1820747-13-4C18H18N2O4
- 3-(3-(Benzo[d][1,3]dioxol-5-yl)pyrrolidine-1-carbonyl)-1-methylpyridin-2(1H)-one2034597-21-0C18H18N2O4
- 9,10-Anthracenedione, 1,4-bis(dimethylamino)-5,8-dihydroxy-69657-88-1C18H18N2O4
- Xanthen-9-one, 4-(diethylamino)methyl-3-nitro-43159-92-8C18H18N2O4
- 1,5-Bis(2-hydroxyethylamino)anthracene-9,10-dione15939-84-1C18H18N2O4
- Glycine, N-[N-(diphenylacetyl)glycyl]-65707-76-8C18H18N2O4
- 5-(3,4-Dimethoxybenzyl)-3-(4-methoxyphenyl)-1,2,4-oxadiazole708994-14-3C18H18N2O4
- N-[3-(2-Methylpropanoylamino)phenyl]-1,3-benzodioxole-5-carboxamide708249-74-5C18H18N2O4
- Methyl 4-({[4-(propanoylamino)phenyl]carbonyl}amino)benzoate496913-71-4C18H18N2O4
Frequently asked questions
What is the molar mass of C18H18N2O4?
The molar mass of C18H18N2O4 is 326.35 g/mol, calculated from standard atomic weights for 18 carbon atoms, 18 hydrogen atoms, 2 nitrogen atoms and 4 oxygen atoms. The monoisotopic mass is 326.1267 Da.
How many compounds have the formula C18H18N2O4?
CompoundList lists 438 compounds with the molecular formula C18H18N2O4, including 3-(4-Methoxyanilino)-1-(4-methoxyphenyl)pyrrolidine-2,5-dione, 3-[1-(2,3-Dimethoxyphenyl)-2-nitroethyl]-1H-indole, 2-({3-[(Isopropylamino)carbonyl]anilino}carbonyl)-benzoic 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 C18H18N2O4?
C18H18N2O4 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.