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 301 to 400 of 438 compounds
![Methyl 3-({[4-(acetylamino)phenyl]carbonyl}amino)-2-methylbenzoate chemical structure, C18H18N2O4, CAS 831246-40-3](/s/WKAISRJMDDOZMW-UHFFFAOYSA-N.svg)
Methyl 3-({[4-(acetylamino)phenyl]carbonyl}amino)-2-methylbenzoate
CAS 831246-40-3C18H18N2O4
1-Benzyl-4-(4-nitrophenyl)pyrrolidine-3-carboxylic acid
CAS 885958-95-2C18H18N2O4
![[[(E)-Ethoxycarbonyldiazenyl]-diphenylmethyl] acetate chemical structure, C18H18N2O4, CAS 3807-98-5](/s/PJYPUIHVCJUQPE-FMQUCBEESA-N.svg)
[[(E)-Ethoxycarbonyldiazenyl]-diphenylmethyl] acetate
CAS 3807-98-5C18H18N2O4
![[(1-Cyanocyclopentyl)carbamoyl]methyl 3-methyl-1-benzofuran-2-carboxylate chemical structure, C18H18N2O4, CAS 1001899-07-5](/s/CNVCLJMOKHUALY-UHFFFAOYSA-N.svg)
[(1-Cyanocyclopentyl)carbamoyl]methyl 3-methyl-1-benzofuran-2-carboxylate
CAS 1001899-07-5C18H18N2O4
Pyrrolidine, 3-(1,3-benzodioxol-5-yl)-4-nitro-1-(phenylmethyl)-, trans-
CAS 87813-04-5C18H18N2O4
5-(4-Benzamidoanilino)-5-oxopentanoic acid
CAS 134485-49-7C18H18N2O4
![2-[4-[Bis(2-hydroxyethyl)amino]phenyl]-1H-isoindole-1,3(2H)-dione chemical structure, C18H18N2O4, CAS 118839-38-6](/s/YKFYLISLKXUGGK-UHFFFAOYSA-N.svg)
2-[4-[Bis(2-hydroxyethyl)amino]phenyl]-1H-isoindole-1,3(2H)-dione
CAS 118839-38-6C18H18N2O4
2-(4-Methoxyphenoxy)-N-(2-oxo-1,2,3,4-tetrahydroquinolin-6-yl)acetamide
CAS 922131-49-5C18H18N2O4
N-(2-Methyl-3-oxo-3,4-dihydro-2H-1,4-benzoxazin-6-yl)-2-(3-methylphenoxy)acetamide
CAS 931058-53-6C18H18N2O4
2,6-Dimethoxy-N-(2-oxo-1,2,3,4-tetrahydroquinolin-6-yl)benzamide
CAS 922054-54-4C18H18N2O4
2-(3-Methoxyphenoxy)-N-(2-oxo-1,2,3,4-tetrahydroquinolin-6-yl)acetamide
CAS 922000-41-7C18H18N2O4
1-(2,4-Dimethoxybenzoyl)indoline-2-carboxamide
CAS 1103513-89-8C18H18N2O4
![Carbamic acid, [4-(2-benzoxazolylmethoxy)phenyl]ethyl-, methyl ester chemical structure, C18H18N2O4, CAS 197362-76-8](/s/UDYHDBPFVSSCNK-UHFFFAOYSA-N.svg)
Carbamic acid, [4-(2-benzoxazolylmethoxy)phenyl]ethyl-, methyl ester
CAS 197362-76-8C18H18N2O4
6-Hydroxy-TSU-68
CAS 1035154-49-4C18H18N2O4
N-(4-Hydroxyphenyl)-1-(2-methoxyphenyl)-5-oxopyrrolidine-3-carboxamide
CAS 1010883-82-5C18H18N2O4
2-Hydroxy-7,7-dimethyl-3-(3-nitrobenzyl)-7,8-dihydroquinolin-5(6H)-one
CAS 1065273-21-3C18H18N2O4
N-(3,5-Dimethoxyphenyl)-2-(1H-indol-4-yloxy)acetamide
CAS 1071914-28-7C18H18N2O4
2-(5-(Furan-2-yl)isoxazol-3-yl)-N-(4-methoxyphenethyl)acetamide
CAS 1105217-69-3C18H18N2O4
![N-{2-[(3-Acetylphenyl)amino]-2-oxoethyl}-2-methoxybenzamide chemical structure, C18H18N2O4, CAS 1097491-60-5](/s/VIKKHWQSOYDMAZ-UHFFFAOYSA-N.svg)
N-{2-[(3-Acetylphenyl)amino]-2-oxoethyl}-2-methoxybenzamide
CAS 1097491-60-5C18H18N2O4
2,4-Dimethoxy-N-(2-oxo-1,2,3,4-tetrahydroquinolin-6-yl)benzamide
CAS 922054-87-3C18H18N2O4
N-(3-Hydroxyphenyl)-1-(3-methoxyphenyl)-5-oxopyrrolidine-3-carboxamide
CAS 1010899-98-5C18H18N2O4
Methoxy(phenyl)methyl (2-cyano-2-hydroxy-2-phenylethyl)carbamate
CAS 73148-72-8C18H18N2O4
Ethyl (2Z)-2-benzamido-3-(4-hydroxyanilino)prop-2-enoate
CAS 80548-07-8C18H18N2O4
2-(2-((3-(2-(Methylamino)-2-oxoethyl)phenyl)amino)-2-oxoethyl)benzoic acid
CAS 1324068-79-2C18H18N2O4
- 3-[2-[(Z)-(6-Methoxy-2-oxo-1H-indol-3-ylidene)methyl]-4-methyl-1H-pyrrol-3-yl]propanoic acid258831-12-8C18H18N2O4
- N-(1H-Indol-4-yl)-3,4,5-trimethoxybenzamide1351689-12-7C18H18N2O4
- 2-Benzyl 5-methyl 6-amino-1,3-dihydro-2H-isoindole-2,5-dicarboxylate944317-38-8C18H18N2O4
- N-(3-Methoxyphenyl)-2-(quinolin-8-yloxy)acetamide hydrate927183-81-1C18H18N2O4
- N-(3-(Furan-2-yl)-2-hydroxy-2-methylpropyl)-5-phenylisoxazole-3-carboxamide1795484-08-0C18H18N2O4
- N-(2-(Benzofuran-2-yl)-2-hydroxypropyl)-5-cyclopropylisoxazole-3-carboxamide2034441-41-1C18H18N2O4
- N-(4-Acetylphenyl)-7-methoxy-5-oxo-1,2,3,5-tetrahydroindolizine-8-carboxamide2034606-21-6C18H18N2O4
- Methyl 6-(benzyloxy)-7-(methoxymethyl)pyrazolo[1,5-a]pyridine-3-carboxylate1860802-30-7C18H18N2O4
- Benzyl-N-[(3S)-1-(4-methoxyphenyl)-2-oxo-azetidin-3-yl]-carbamate87568-46-5C18H18N2O4
- N-{2-[4-(Furan-2-yl)phenyl]-2-hydroxyethyl}-3,5-dimethyl-1,2-oxazole-4-carboxamide2097902-59-3C18H18N2O4
- 1-tert-Butyl 2-methyl 4-(4-cyanophenyl)-1H-pyrrole-1,2-dicarboxylate2102858-86-4C18H18N2O4
- 2-Cyano-3-(furan-2-yl)-N-[2-(2-methoxyphenoxy)propyl]prop-2-enamide1428115-70-1C18H18N2O4
- 2-(2-Butanamidobenzamido)benzoic acid2768144-65-4C18H18N2O4
- (2R)-2-Amino-3-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)propanoic acid2250024-46-3C18H18N2O4
- 7-Hydroxy-TSU-681035154-52-9C18H18N2O4
- Cox-2-IN-472043670-02-4C18H18N2O4
- Benzenepropanamide, alpha-((2-(acetyloxy)benzoyl)amino)-, (S)-80691-03-8C18H18N2O4
- 2-Cyano-3-(4-hydroxy-3-methoxyphenyl)-N-(3-methoxyphenyl)propanamide736936-71-3C18H18N2O4
- Carbamic acid, [1-(4-nitrophenyl)-3-butenyl]-, phenylmethyl ester187974-75-0C18H18N2O4
- Ethyl 5,6-dimethoxy-3-(4-pyridinyl)-1H-indole-2-carboxylate869117-54-4C18H18N2O4
- 2-[2-(2-Phenyl-1,3-dioxolan-2-yl)-1H-benzimidazol-1-yl]ethane-1,1-diol89536-27-6C18H18N2O4
- Diethyl 2,2'-diazenediyldibenzoate20739-69-9C18H18N2O4
- N-[[(5S)-3-[4-(4-Hydroxyphenyl)phenyl]-2-oxo-1,3-oxazolidin-5-yl]methyl]acetamide128312-14-1C18H18N2O4
- 1-(2,3-Dimethoxybenzoyl)indoline-2-carboxamide1099655-26-1C18H18N2O4
- Ethyl 5-amino-6-nitro-7-phenyl-2,3-dihydro-1H-indene-4-carboxylate1119523-43-1C18H18N2O4
- N,N'-(Naphthalene-1,5-diyl)bis(3-oxobutanamide)54940-90-8C18H18N2O4
- N-((((9H-Fluoren-9-yl)methoxy)carbonyl)amino)-N-methylglycine512856-46-1C18H18N2O4
- (3R,6S)-3,6-Bis[(4-hydroxyphenyl)methyl]piperazine-2,5-dione1445324-27-5C18H18N2O4
- (6R)-6-(4-Nitrophenyl)-4-[(1R)-1-phenylethyl]morpholin-3-one920802-02-4C18H18N2O4
- (6S)-6-(4-Nitrophenyl)-4-(2-phenylethyl)morpholin-3-one920798-46-5C18H18N2O4
- (6r)-6-(4-Nitrophenyl)-4-(2-phenylethyl)morpholin-3-one920802-04-6C18H18N2O4
- (6S)-6-(4-Nitrophenyl)-4-[(1S)-1-phenylethyl]morpholin-3-one920798-45-4C18H18N2O4
- (6S)-6-(4-Nitrophenyl)-4-[(1R)-1-phenylethyl]morpholin-3-one920798-44-3C18H18N2O4
- (6R)-6-(4-Nitrophenyl)-4-[(1S)-1-phenylethyl]morpholin-3-one920802-03-5C18H18N2O4
- Dimethyl 2,3-bis(phenylamino)fumarateC18H18N2O4
- 4-Acetamidophenyl (4-acetamidophenyl)acetate106664-49-7C18H18N2O4
- ({3,4-Bis[2-(ethenyloxy)ethoxy]phenyl}methylidene)propanedinitrile209159-68-2C18H18N2O4
- Dimethyl 2-(1,2-diphenylhydrazinyl)but-2-enedioate77435-24-6C18H18N2O4
- N-(4-Methoxyphenyl)-2-(quinolin-8-yloxy)acetamide monohydrate876954-28-8C18H18N2O4
- Ethyl 3-oxo-3-[2-phenyl(pyridin-3-yl)acetamido]propanoate88012-04-8C18H18N2O4
- 4-(Benzyloxy)-6-[(benzyloxy)imino]morpholin-3-one140405-37-4C18H18N2O4
- 6-Isopropyl-3-(4-methoxybenzyl)isoxazolo[5,4-b]pyridine-4-carboxylic acid1263208-91-8C18H18N2O4
- Ethyl 8-(4-methylbenzoyl)-5-oxo-1,2,3,5-tetrahydroimidazo[1,2-a]pyridine-7-carboxylate1263212-69-6C18H18N2O4
- 3-Amino-1-(2,3-dihydrobenzo[b][1,4]dioxin-6-yl)-4-(3-methoxyphenyl)azetidin-2-one1291487-49-4C18H18N2O4
- N-(3,4,5-Trimethoxyphenyl)-1H-indole-3-carboxamide675606-22-1C18H18N2O4
- 1-Benzyl-3-(2-nitrophenyl)pyrrolidine-3-carboxylic acid1821026-89-4C18H18N2O4
- Benzyl-N-[(3R)-1-(4-methoxyphenyl)-2-oxo-azetidin-3-yl]-carbamate1619921-79-7C18H18N2O4
- 1-Benzyl 3-methyl 3,4-dihydroquinoxaline-1,3(2H)-dicarboxylate2101242-38-8C18H18N2O4
- 3-{[1-(2,3-Dihydro-1,4-benzodioxine-2-carbonyl)azetidin-3-yl]methoxy}pyridine2379972-48-0C18H18N2O4
- 6-({[(Benzyloxy)carbonyl]amino}methyl)-2-cyclopropylpyridine-3-carboxylic acid2287318-79-8C18H18N2O4
- 3,5-Dimethoxy-N-[4-(prop-2-enamido)phenyl]benzamide2324267-06-1C18H18N2O4
- 5-Hydroxy-2-(4-methoxyphenyl)-L-tryptophan2307769-98-6C18H18N2O4
- 3,3'-Azobisbenzenemethanol diacetate (ester)78914-78-0C18H18N2O4
- Ethyl 2-benzamido-3-[2-(hydroxyamino)phenyl]prop-2-enoate5009-43-8C18H18N2O4
- Ethyl (E)-2-benzamido-3-[2-(hydroxyamino)phenyl]prop-2-enoate6341-00-0C18H18N2O4
- 1-(3,4-Dimethoxyphenyl)-2-[(E)-phenyldiazenyl]butane-1,3-dione79142-87-3C18H18N2O4
- N-[3-(Benzyloxy)-4-nitrophenyl]-N-(prop-2-en-1-yl)acetamide89102-05-6C18H18N2O4
- 2-Phenyl-N-(phenylglyoxyloyl)glycine ethyl ester, oxime744-04-7C18H18N2O4
- Trans-1-benzyl-4-(4-nitrophenyl)pyrrolidine-3-carboxylic acidC18H18N2O4
- N-(Cyclohexa-2,4-dien-1-yl)-6,7-dimethoxy-2-oxo-1,2-dihydroquinoline-4-carboxamide22765-49-7C18H18N2O4
- N-(5,11-Dihydro-5-methyl-10H-benzo(b,f)azepin-10-ylidene)methylammonium hydrogen oxalate94291-63-1C18H18N2O4
- [2-(3-Hydroxypiperidin-1-yl)-5-nitrophenyl](phenyl)methanone93418-72-5C18H18N2O4
- 1,4-Bis(2-methoxyethoxy)naphthalene-2,3-dicarbonitrile139444-25-0C18H18N2O4
- 1,4-Diamino-2-(2-ethoxyethoxy)anthracene-9,10-dione33304-49-3C18H18N2O4
- 2-(3,4-Diethoxyphenyl)-1H-benzo[d]imidazole-6-carboxylic acid1416340-27-6C18H18N2O4
- 2-{[(Benzyloxy)carbonyl](cyclopropyl)amino}-2-(pyridin-3-yl)acetic acid1693865-79-0C18H18N2O4
- (9H-Fluoren-9-yl)methyl N-(2-carbamoyl-2-hydroxyethyl)carbamate1696812-37-9C18H18N2O4
- Ethyl 4-hydroxy-1,6-dimethyl-2-oxo-5-phenyl-1,2-dihydropyrrolo[1,2-b]pyridazine-3-carboxylate1296654-82-4C18H18N2O4
- 4(1H)-Quinazolinone, 6,7,8-trimethoxy-2-(4-methylphenyl)-35241-35-1C18H18N2O4
- 1-[(Benzyloxy)carbonyl]-4-(pyridin-3-yl)pyrrolidine-3-carboxylic acid2172174-75-1C18H18N2O4
- 2-Benzyl 4-methyl 7-amino-2,3-dihydro-1H-isoindole-2,4-dicarboxylate2172009-54-8C18H18N2O4
- 1'-(2,6-Dioxopiperidin-3-yl)-3,4-dihydro-2H-spiro[naphthalene-1,3'-pyrrolidine]-2',5'-dione2751702-97-1C18H18N2O4
- 1,3-Dioxo-2,3-dihydro-1H-isoindol-2-yl 2,5-dimethyl-1-(propan-2-yl)-1H-pyrrole-3-carboxylate2248348-02-7C18H18N2O4
- tert-Butyl N-[3-(1,3-benzoxazol-2-yl)-4-hydroxyphenyl]carbamate2413885-19-3C18H18N2O4
- 5-{[(Benzyloxy)carbonyl]amino}-5,6,7,8-tetrahydroquinoline-3-carboxylic acid2138239-12-8C18H18N2O4
- 1-[(Benzyloxy)carbonyl]-4-(pyridin-2-yl)pyrrolidine-3-carboxylic acid2171847-12-2C18H18N2O4
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 Methyl 3-({[4-(acetylamino)phenyl]carbonyl}amino)-2-methylbenzoate, 1-Benzyl-4-(4-nitrophenyl)pyrrolidine-3-carboxylic acid, [[(E)-Ethoxycarbonyldiazenyl]-diphenylmethyl] acetate. 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.