CompoundList
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 1 to 100 of 438 compounds

Scriptaid chemical structure, C18H18N2O4, CAS 287383-59-9
Scriptaid
CAS 287383-59-9C18H18N2O4
1-(2-Ethoxy-phenyl)-3-(hydroxy-phenyl-amino)-pyrrolidine-2,5-dione chemical structure, C18H18N2O4, CAS 353273-74-2
1-(2-Ethoxy-phenyl)-3-(hydroxy-phenyl-amino)-pyrrolidine-2,5-dione
CAS 353273-74-2C18H18N2O4
1,4-Bis((2-hydroxyethyl)amino)anthraquinone chemical structure, C18H18N2O4, CAS 4471-41-4
1,4-Bis((2-hydroxyethyl)amino)anthraquinone
CAS 4471-41-4C18H18N2O4
3,6-Bis((4-hydroxyphenyl)methyl)-2,5-piperazinedione chemical structure, C18H18N2O4, CAS 5625-40-1
3,6-Bis((4-hydroxyphenyl)methyl)-2,5-piperazinedione
CAS 5625-40-1C18H18N2O4
(3S,6S)-3,6-Bis(4-hydroxybenzyl)piperazine-2,5-dione chemical structure, C18H18N2O4, CAS 10125-11-8
(3S,6S)-3,6-Bis(4-hydroxybenzyl)piperazine-2,5-dione
CAS 10125-11-8C18H18N2O4
1-(3-(5-(3-Nitrophenyl)-2-furyl)-2-propenoyl)piperidine chemical structure, C18H18N2O4, CAS 853351-08-3
1-(3-(5-(3-Nitrophenyl)-2-furyl)-2-propenoyl)piperidine
CAS 853351-08-3C18H18N2O4
N-(4-Morpholinophenyl)benzo[d][1,3]dioxole-5-carboxamide chemical structure, C18H18N2O4, CAS 6071-77-8
N-(4-Morpholinophenyl)benzo[d][1,3]dioxole-5-carboxamide
CAS 6071-77-8C18H18N2O4
2-Methoxy-4-[1-(2-methyl-1H-indol-3-yl)-2-nitroethyl]phenol chemical structure, C18H18N2O4, CAS 303033-56-9
2-Methoxy-4-[1-(2-methyl-1H-indol-3-yl)-2-nitroethyl]phenol
CAS 303033-56-9C18H18N2O4
2-Amino-4-(3,4-dimethoxyphenyl)-5-oxo-5,6,7,8-tetrahydro-4H-chromene-3-carbonitrile chemical structure, C18H18N2O4, CAS 326915-37-1
2-Amino-4-(3,4-dimethoxyphenyl)-5-oxo-5,6,7,8-tetrahydro-4H-chromene-3-carbonitrile
CAS 326915-37-1C18H18N2O4
Ethyl 4-(2-hydroxynaphthalen-1-yl)-6-methyl-2-oxo-1,2,3,4-tetrahydropyrimidine-5-carboxylate chemical structure, C18H18N2O4, CAS 321686-49-1
Ethyl 4-(2-hydroxynaphthalen-1-yl)-6-methyl-2-oxo-1,2,3,4-tetrahydropyrimidine-5-carboxylate
CAS 321686-49-1C18H18N2O4
4-[3-[(2-Methylphenyl)carbamoyl]anilino]-4-oxobutanoic acid chemical structure, C18H18N2O4, CAS 313226-44-7
4-[3-[(2-Methylphenyl)carbamoyl]anilino]-4-oxobutanoic acid
CAS 313226-44-7C18H18N2O4
4-(4-(3,4-Dimethoxyphenyl)-5-methyl-1H-pyrazol-3-yl)benzene-1,3-diol chemical structure, C18H18N2O4, CAS 955899-89-5
4-(4-(3,4-Dimethoxyphenyl)-5-methyl-1H-pyrazol-3-yl)benzene-1,3-diol
CAS 955899-89-5C18H18N2O4
5-Ethoxy-2-[4-(3-methoxyphenoxy)-1H-pyrazol-3-yl]phenol chemical structure, C18H18N2O4, CAS 714940-88-2
5-Ethoxy-2-[4-(3-methoxyphenoxy)-1H-pyrazol-3-yl]phenol
CAS 714940-88-2C18H18N2O4
(S)-2-(2-Benzamidoacetamido)-3-phenylpropanoic acid chemical structure, C18H18N2O4, CAS 744-59-2
(S)-2-(2-Benzamidoacetamido)-3-phenylpropanoic acid
CAS 744-59-2C18H18N2O4
2-[(Furan-2-carbonyl)-amino]-3-(1H-indol-3-yl)-propionic acid ethyl ester chemical structure, C18H18N2O4, CAS 1309180-69-5
2-[(Furan-2-carbonyl)-amino]-3-(1H-indol-3-yl)-propionic acid ethyl ester
CAS 1309180-69-5C18H18N2O4
N-tert-Butyl-2-(furan-2-ylmethyl)-1,3-dioxoisoindole-5-carboxamide chemical structure, C18H18N2O4, CAS 667434-79-9
N-tert-Butyl-2-(furan-2-ylmethyl)-1,3-dioxoisoindole-5-carboxamide
CAS 667434-79-9C18H18N2O4
N-[3-(4,5-Dimethoxy-3-oxo-1H-isoindol-2-yl)phenyl]acetamide chemical structure, C18H18N2O4, CAS 329722-15-8
N-[3-(4,5-Dimethoxy-3-oxo-1H-isoindol-2-yl)phenyl]acetamide
CAS 329722-15-8C18H18N2O4
2-{[3-(Isobutyrylamino)benzoyl]amino}benzoic acid chemical structure, C18H18N2O4, CAS 305358-62-7
2-{[3-(Isobutyrylamino)benzoyl]amino}benzoic acid
CAS 305358-62-7C18H18N2O4
2-(5-(3,4-Dimethoxyphenyl)-1H-pyrazol-3-yl)-5-methoxyphenol chemical structure, C18H18N2O4, CAS 371115-64-9
2-(5-(3,4-Dimethoxyphenyl)-1H-pyrazol-3-yl)-5-methoxyphenol
CAS 371115-64-9C18H18N2O4
N-(2,5-Dioxo-1-phenylpyrrolidin-3-yl)-N-(furan-2-ylmethyl)propanamide chemical structure, C18H18N2O4, CAS 339988-77-1
N-(2,5-Dioxo-1-phenylpyrrolidin-3-yl)-N-(furan-2-ylmethyl)propanamide
CAS 339988-77-1C18H18N2O4
N-(4-Methoxybenzyl)-3-(2-oxo-1,3-benzoxazol-3(2H)-yl)propanamide chemical structure, C18H18N2O4, CAS 851988-87-9
N-(4-Methoxybenzyl)-3-(2-oxo-1,3-benzoxazol-3(2H)-yl)propanamide
CAS 851988-87-9C18H18N2O4
N-(2-Methoxyphenyl)-2-(6-methyl-3-oxo-2,3-dihydro-4H-1,4-benzoxazin-4-yl)acetamide chemical structure, C18H18N2O4, CAS 606119-65-7
N-(2-Methoxyphenyl)-2-(6-methyl-3-oxo-2,3-dihydro-4H-1,4-benzoxazin-4-yl)acetamide
CAS 606119-65-7C18H18N2O4
2-Amino-4-(3-ethoxy-4-hydroxyphenyl)-5-oxo-5,6,7,8-tetrahydro-4H-chromene-3-carbonitrile chemical structure, C18H18N2O4, CAS 299440-04-3
2-Amino-4-(3-ethoxy-4-hydroxyphenyl)-5-oxo-5,6,7,8-tetrahydro-4H-chromene-3-carbonitrile
CAS 299440-04-3C18H18N2O4
N-(4-(7-(Diethylamino)-4-methylcoumarin-3-yl))maleimide chemical structure, C18H18N2O4, CAS 93111-28-5
N-(4-(7-(Diethylamino)-4-methylcoumarin-3-yl))maleimide
CAS 93111-28-5C18H18N2O4

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 Scriptaid, 1-(2-Ethoxy-phenyl)-3-(hydroxy-phenyl-amino)-pyrrolidine-2,5-dione, 1,4-Bis((2-hydroxyethyl)amino)anthraquinone. 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.