Molecular formula
C18H18N2O5
205 compounds have this formula on CompoundList.
- Molar mass
- 342.35g/mol
- Monoisotopic mass
- 342.1216Da
- Atoms
- 43
- Elements
- 4
- Rings plus double bonds
- 11
The formula C18H18N2O5 describes a molecule made of 18 carbon atoms, 18 hydrogen atoms, 2 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 × 1863.15%12.011 × 18 = 216.198 g/mol
- H Hydrogen × 185.30%1.008 × 18 = 18.144 g/mol
- N Nitrogen × 28.18%14.007 × 2 = 28.014 g/mol
- O Oxygen × 523.37%15.999 × 5 = 79.995 g/mol
Look up another formula
Compounds with the formula C18H18N2O5
Isomers we list, best known first. Open one to see its structure, properties, safety data and suppliers.
Showing 101 to 200 of 205 compounds
![5-Methoxy-N-[2-(5-methoxy-1H-indol-3-yl)ethyl]-4-oxo-4H-pyran-2-carboxamide chemical structure, C18H18N2O5, CAS 946846-84-0](/s/JCLNFOULOTVYGH-UHFFFAOYSA-N.svg)
5-Methoxy-N-[2-(5-methoxy-1H-indol-3-yl)ethyl]-4-oxo-4H-pyran-2-carboxamide
CAS 946846-84-0C18H18N2O5
N-(2-Hydroxy-3-(2-oxopyridin-1(2H)-yl)propyl)-7-methoxybenzofuran-2-carboxamide
CAS 1797698-13-5C18H18N2O5
N-(4-(3-((6-Methyl-2-oxo-2H-pyran-4-yl)oxy)azetidine-1-carbonyl)phenyl)acetamide
CAS 1795477-21-2C18H18N2O5
![4-((1-(Benzo[d][1,3]dioxole-5-carbonyl)azetidin-3-yl)oxy)-1,6-dimethylpyridin-2(1H)-one chemical structure, C18H18N2O5, CAS 2034289-19-3](/s/GBUOJEAMNAPHDX-UHFFFAOYSA-N.svg)
4-((1-(Benzo[d][1,3]dioxole-5-carbonyl)azetidin-3-yl)oxy)-1,6-dimethylpyridin-2(1H)-one
CAS 2034289-19-3C18H18N2O5
3-(3,4-Dimethoxyphenyl)-5-(3,5-dimethoxyphenyl)-1,2,4-oxadiazole
CAS 432000-69-6C18H18N2O5
(2S)-2-(1,3-Benzodioxol-5-ylmethylcarbamoylamino)-3-phenylpropanoic acid
CAS 955972-23-3C18H18N2O5
![N'-(1,3-Benzodioxol-5-ylmethyl)-N-[(4-methoxyphenyl)methyl]oxamide chemical structure, C18H18N2O5, CAS 496941-57-2](/s/SFXLMWRXFWFDQW-UHFFFAOYSA-N.svg)
N'-(1,3-Benzodioxol-5-ylmethyl)-N-[(4-methoxyphenyl)methyl]oxamide
CAS 496941-57-2C18H18N2O5
2,4-Imidazolidinedione, 5-(2,4-dimethoxyphenyl)-5-(4-methoxyphenyl)-
CAS 74697-41-9C18H18N2O5
Methyl 6-amino-5-cyano-2-(2-methoxy-2-oxoethyl)-4-(4-methylphenyl)-4H-pyran-3-carboxylate
CAS 547769-52-8C18H18N2O5
N-(1,3-Benzodioxol-5-ylmethyl)-N'-(2-methoxy-5-methylphenyl)oxamide
CAS 862713-68-6C18H18N2O5
Methyl 4-(2-((2-methoxybenzyl)amino)-2-oxoacetamido)benzoate
CAS 922851-88-5C18H18N2O5
2-(5-(3,4-Dimethoxyphenyl)isoxazol-3-yl)-N-(furan-2-ylmethyl)acetamide
CAS 953181-62-9C18H18N2O5
![3-({2,4-Dioxo-1,3-diazaspiro[4.5]decan-3-yl}methyl)-1-benzofuran-2-carboxylic acid chemical structure, C18H18N2O5, CAS 930733-93-0](/s/MXPIVFOESWQBOA-UHFFFAOYSA-N.svg)
3-({2,4-Dioxo-1,3-diazaspiro[4.5]decan-3-yl}methyl)-1-benzofuran-2-carboxylic acid
CAS 930733-93-0C18H18N2O5
2-(2-Methyl-4-nitrophenoxy)phenyl morpholin-4-yl ketone
CAS 1002865-46-4C18H18N2O5
![Methyl 4-({[1-(furan-2-ylmethyl)-5-oxopyrrolidin-3-yl]carbonyl}amino)benzoate chemical structure, C18H18N2O5, CAS 1144473-85-7](/s/LLAZRAAXPGEOFK-UHFFFAOYSA-N.svg)
Methyl 4-({[1-(furan-2-ylmethyl)-5-oxopyrrolidin-3-yl]carbonyl}amino)benzoate
CAS 1144473-85-7C18H18N2O5
![2-[(Ethylcarbamoyl)amino]-2-oxo-1-phenylethyl 3-hydroxybenzoate chemical structure, C18H18N2O5, CAS 1009681-24-6](/s/GMXLSVJYTSJPEE-UHFFFAOYSA-N.svg)
2-[(Ethylcarbamoyl)amino]-2-oxo-1-phenylethyl 3-hydroxybenzoate
CAS 1009681-24-6C18H18N2O5
![3-[(2-Amino-4,6-dimethoxyphenyl)(pyridin-3-yl)methyl]-4-hydroxy-2,5-dihydrofuran-2-one chemical structure, C18H18N2O5, CAS 1272756-36-1](/s/XZWIGUZXGGCHBX-UHFFFAOYSA-N.svg)
3-[(2-Amino-4,6-dimethoxyphenyl)(pyridin-3-yl)methyl]-4-hydroxy-2,5-dihydrofuran-2-one
CAS 1272756-36-1C18H18N2O5
![N1-(benzo[d][1,3]dioxol-5-yl)-N2-(2-hydroxy-2-phenylpropyl)oxalamide chemical structure, C18H18N2O5, CAS 1351588-51-6](/s/QIPYVZJMABVVBO-UHFFFAOYSA-N.svg)
N1-(benzo[d][1,3]dioxol-5-yl)-N2-(2-hydroxy-2-phenylpropyl)oxalamide
CAS 1351588-51-6C18H18N2O5
Ethyl 7-(3,5-dimethyl-4-isoxazolyl)-4-hydroxy-6-(methyloxy)-3-quinolinecarboxylate
CAS 1300031-59-7C18H18N2O5
4-Nitrophenyl 4-hydroxy-4-phenylpiperidine-1-carboxylate
CAS 1160263-25-1C18H18N2O5
N-(2-Hydroxy-2-(1-methyl-1H-pyrrol-2-yl)ethyl)-8-methoxy-2-oxo-2H-chromene-3-carboxamide
CAS 1396845-45-6C18H18N2O5
![N1-(benzo[d][1,3]dioxol-5-yl)-N2-(3-hydroxy-3-phenylpropyl)oxalamide chemical structure, C18H18N2O5, CAS 1396874-04-6](/s/WFUSEYHHTSJWSA-UHFFFAOYSA-N.svg)
N1-(benzo[d][1,3]dioxol-5-yl)-N2-(3-hydroxy-3-phenylpropyl)oxalamide
CAS 1396874-04-6C18H18N2O5
3-(3-Methoxyphenyl)-5-(3,4,5-trimethoxyphenyl)-1,2,4-oxadiazole
CAS 835887-49-5C18H18N2O5
![4-{2-[(Biphenyl-2-yloxy)acetyl]hydrazinyl}-4-oxobutanoic acid chemical structure, C18H18N2O5, CAS 650611-46-4](/s/PQANSKMUXSHZML-UHFFFAOYSA-N.svg)
4-{2-[(Biphenyl-2-yloxy)acetyl]hydrazinyl}-4-oxobutanoic acid
CAS 650611-46-4C18H18N2O5
- 1,3-Dioxane-4,6-dione, 2,2-dimethyl-5-((2-(dimethylamino)-1,4-dihydro-4-oxo-3-quinolinyl)methylene)-172753-45-6C18H18N2O5
- 2-[(2,2-Dimethyl-2,3-dihydro-1-benzofuran-7-yl)oxy]-N-(4-nitrophenyl)acetamide946204-67-7C18H18N2O5
- 3,4,5-Trimethoxy-N-(2-oxoindolin-5-yl)benzamide921813-94-7C18H18N2O5
- [{2-[(1,3-Benzodioxol-5-ylmethyl)amino]-2-oxoethyl}(phenyl)amino]acetic acid1142204-62-3C18H18N2O5
- 3-[(3-Methoxyphenoxy)methyl]-1,2-benzoxazol-6-yl dimethylcarbamate1081126-99-9C18H18N2O5
- 2-(4-Ethoxyphenoxy)-N-((5-(furan-2-yl)isoxazol-3-yl)methyl)acetamide1105241-35-7C18H18N2O5
- 2-(4-Methoxyphenoxy)-N-(5-oxo-2,3,4,5-tetrahydrobenzo[f][1,4]oxazepin-7-yl)acetamide922078-93-1C18H18N2O5
- 2-[(Ethoxycarbonyl)amino]-2-oxoethyl 2-methyl-6-phenyl-3-pyridinecarboxylate1223395-45-6C18H18N2O5
- 1-{[(6-Methyl-4-oxo-1,2,3,4-tetrahydrocyclopenta[c]chromen-7-yl)oxy]acetyl}imidazolidin-2-one1282143-09-2C18H18N2O5
- 1-(2-Oxo-2-(3-oxo-3H-spiro[isobenzofuran-1,3'-piperidin]-1'-yl)ethyl)pyrrolidine-2,5-dione1798029-44-3C18H18N2O5
- 1-(2-Oxo-2-{3-oxo-3H-spiro[2-benzofuran-1,4'-piperidine]-1'-yl}ethyl)pyrrolidine-2,5-dione1797890-07-3C18H18N2O5
- N-(Benzo[d][1,3]dioxol-5-ylmethyl)-6-((tetrahydrofuran-3-yl)oxy)nicotinamide2034555-64-9C18H18N2O5
- Methyl 4-(6-((tetrahydrofuran-3-yl)oxy)nicotinamido)benzoate2034428-16-3C18H18N2O5
- Methyl 2-(2-((tetrahydrofuran-3-yl)oxy)isonicotinamido)benzoate1903011-73-3C18H18N2O5
- N-(2,3-Dihydrobenzo[b][1,4]dioxin-6-yl)-2-((tetrahydrofuran-3-yl)oxy)isonicotinamide1903011-79-9C18H18N2O5
- N-(Benzo[d][1,3]dioxol-5-yl)-6-((tetrahydro-2H-pyran-4-yl)oxy)nicotinamide2034317-46-7C18H18N2O5
- N-(Benzo[d][1,3]dioxol-5-yl)-2-((tetrahydro-2H-pyran-4-yl)oxy)isonicotinamide2034318-09-5C18H18N2O5
- Methyl 2-(7-methoxy-5-oxo-1,2,3,5-tetrahydroindolizine-8-carboxamido)benzoate2034280-51-6C18H18N2O5
- 5-Methoxy-N-[1-(2-methoxyethyl)-1H-indol-4-yl]-4-oxo-4H-pyran-2-carboxamide1676096-45-9C18H18N2O5
- N-(Benzo[d][1,3]dioxol-5-ylmethyl)-2-((tetrahydrofuran-3-yl)oxy)isonicotinamide1904213-07-5C18H18N2O5
- 8-Methoxy-N-(3-(3-methylisoxazol-5-yl)propyl)-2-oxo-2H-chromene-3-carboxamide2034333-37-2C18H18N2O5
- N1-(2-(2,3-dihydrobenzo[b][1,4]dioxin-6-yl)-2-hydroxyethyl)-N2-phenyloxalamide2034568-80-2C18H18N2O5
- N-(Benzo[d][1,3]dioxol-5-yl)-6-((tetrahydrofuran-2-yl)methoxy)nicotinamide2034388-38-8C18H18N2O5
- 1-([2,2'-Bifuran]-5-ylmethyl)-3-(2,3-dimethoxyphenyl)urea2034492-05-0C18H18N2O5
- N1-(2-(benzofuran-2-yl)-2-methoxyethyl)-N2-(furan-2-ylmethyl)oxalamide2034421-74-2C18H18N2O5
- N-[(4-Hydroxy-4,5,6,7-tetrahydro-1-benzofuran-4-yl)methyl]-2-(2-oxo-2,3-dihydro-1,3-benzoxazol-3-yl)acetamide2309346-01-6C18H18N2O5
- Ethyl 4-{[2-(4-nitrophenyl)propanoyl]amino}benzoate694442-24-5C18H18N2O5
- Methyl 4-[2-(4-acetamidoanilino)-2-oxoethoxy]benzoate852980-78-0C18H18N2O5
- 2-(2-Methoxyphenoxy)-N-(2-methyl-3-oxo-3,4-dihydro-2H-1,4-benzoxazin-6-yl)acetamide930442-36-7C18H18N2O5
- Ethyl 2-benzamido-3-(4-nitrophenyl)propanoate101976-77-6C18H18N2O5
- 2-((2,2-Dimethyl-2,3-dihydrobenzofuran-7-yl)oxy)-N-(3-nitrophenyl)acetamide946358-59-4C18H18N2O5
- (E)-N-[Cyano-(3,4,5-trimethoxyphenyl)methyl]-3-(furan-2-yl)prop-2-enamide1385618-05-2C18H18N2O5
- Methyl 10-ethoxy-6-(methoxymethyl)-5-oxo-5,6-dihydrobenzo[h][1,6]naphthyridine-8-carboxylate1449234-04-1C18H18N2O5
- N-(2-(Furan-2-yl)-2-(furan-3-yl)-2-hydroxyethyl)-4,5,6,7-tetrahydrobenzo[d]isoxazole-3-carboxamide2034236-08-1C18H18N2O5
- 5-(Furan-2-yl)-N-(2-hydroxy-3-methoxy-2-phenylpropyl)isoxazole-3-carboxamide2034318-30-2C18H18N2O5
- 2-(2,5-Dioxopyrrolidin-1-yl)-N-{2-[4-(furan-2-yl)phenyl]-2-hydroxyethyl}acetamide2097916-49-7C18H18N2O5
- Ethyl 2-[2-(2-methoxyanilino)(oxo)acetamido]benzoate6604-73-5C18H18N2O5
- tert-Butyl N-(2-benzoyl-4-nitrophenyl)carbamate631861-10-4C18H18N2O5
- Carbamic acid, [1-(4-nitrophenyl)-3-oxo-3-phenylpropyl]-, ethyl ester655226-51-0C18H18N2O5
- 3,5-Pyridinedicarboxylic acid, 4-(2,1-benzisoxazol-4-yl)-1,4-dihydro-2,6-dimethyl-, 3,5-dimethyl ester107096-61-7C18H18N2O5
- N-[3-(1,3-Benzodioxol-5-ylamino)-3-oxopropyl]-3-methoxybenzamide945295-17-0C18H18N2O5
- N-(3-Nitrophenyl)-2-[(tetrahydro-2-furanyl)methoxy]benzamide1060809-60-0C18H18N2O5
- (2S)-2-(Benzyloxycarbonylamino)-3-(4-carbamoylphenyl)propanoic acid1313183-82-2C18H18N2O5
- Methyl 4-{2-[4-(methoxycarbonyl)anilino]acetamido}benzoate82525-65-3C18H18N2O5
- 2-(4-(tert-Butylamino)-3-nitrobenzoyl)benzoic acid870605-63-3C18H18N2O5
- (6R)-4-[(4-Methoxyphenyl)methyl]-6-(4-nitrophenyl)morpholin-3-one920802-00-2C18H18N2O5
- (6S)-4-[(4-Methoxyphenyl)methyl]-6-(4-nitrophenyl)morpholin-3-one920798-42-1C18H18N2O5
- Methyl N-(4-{[(benzyloxy)carbonyl]amino}benzoyl)glycinate56445-70-6C18H18N2O5
- 4-[4-(4-Hydroxybenzamido)benzamido]butanoic acid842949-56-8C18H18N2O5
- Acetic acid 2-[2-(6-amino-1,3-dioxo-1H,3H-benZo[de]isoquinolin-2-yl)-ethoxy]-ethyl ester1018781-13-9C18H18N2O5
- 2-(6,6-Dimethyl-1-(4-nitrophenyl)-4-oxo-4,5,6,7-tetrahydro-1H-indol-2-yl)acetic acid1355233-88-3C18H18N2O5
- 6-((1-(2,3-Dihydrobenzo[b][1,4]dioxin-6-yl)propyl)carbamoyl)picolinic acid2036692-79-0C18H18N2O5
- 1 suppliers3-[4-[3-(2-Hydroxyethoxy)prop-1-ynyl]-1-oxo-isoindolin-2-yl]piperidine-2,6-dione2619512-29-5C18H18N2O5
- 3-[1-Oxo-5-(2-prop-2-ynoxyethoxy)isoindolin-2-yl]piperidine-2,6-dione2589696-92-2C18H18N2O5
- 2-(2,6-Dioxo-3-piperidyl)-5-pent-4-enoxy-isoindoline-1,3-dione2682112-57-6C18H18N2O5
- 1 suppliers3-[5-[3-(2-Hydroxyethoxy)prop-1-ynyl]-1-oxo-isoindolin-2-yl]piperidine-2,6-dione2619512-41-1C18H18N2O5
- 3-[1-Oxo-6-(2-prop-2-ynoxyethoxy)isoindolin-2-yl]piperidine-2,6-dione2589696-93-3C18H18N2O5
- N-(Benzoyloxy)-N~2~-(phenylacetyl)-L-serinamide95545-31-6C18H18N2O5
- 3-(4-Nitrophenoxy)-N-(3-oxo-3-phenylpropyl)propanamide141399-55-5C18H18N2O5
- 4(1H)-Quinazolinone, 6,7,8-trimethoxy-2-(4-methoxyphenyl)-71628-70-1C18H18N2O5
- N-[(2-Hydroxy-4-oxocyclohexa-2,5-dien-1-ylidene)methyl]glycyl-L-phenylalanine193528-37-9C18H18N2O5
- 2-Benzyl 8-methyl 6-formyl-1H,2H,3H,4H-pyrrolo[1,2-a]pyrazine-2,8-dicarboxylate2171950-46-0C18H18N2O5
- 1,3-Dioxo-2,3-dihydro-1H-isoindol-2-yl 1-cyclopentyl-5-oxopyrrolidine-3-carboxylate2248350-41-4C18H18N2O5
- 1,3-Dioxo-2,3-dihydro-1H-isoindol-2-yl 2-oxo-decahydroquinoline-4-carboxylate2248323-83-1C18H18N2O5
- 1,3-Dioxo-2,3-dihydro-1H-isoindol-2-yl 3-cyclopentyl-2-oxopyrrolidine-3-carboxylate2248296-51-5C18H18N2O5
- 1,3-Dioxo-2,3-dihydro-1H-isoindol-2-yl 5-[(diethylamino)methyl]furan-2-carboxylate2248378-58-5C18H18N2O5
- 1,3-Dioxo-2,3-dihydro-1H-isoindol-2-yl 3-(5-tert-butyl-1,3-oxazol-2-yl)propanoate2248415-68-9C18H18N2O5
- 7-{[(Benzyloxy)carbonyl]amino}-6-oxo-2,3,4,6-tetrahydro-1H-quinolizine-9-carboxylic acid2580227-92-3C18H18N2O5
- 3-[(4-{[(Benzyloxy)carbonyl]amino}phenyl)formamido]propanoic acid2335395-13-4C18H18N2O5
- (2S,4S)-1-[(Benzyloxy)carbonyl]-4-(pyridin-4-yloxy)pyrrolidine-2-carboxylic acid2580102-40-3C18H18N2O5
- 2'-[(Benzyloxy)carbonyl]-3',4'-dihydro-2'H-spiro[oxetane-3,1'-pyrrolo[1,2-a]pyrazine]-6'-carboxylic acid2580198-45-2C18H18N2O5
- Benzyl 3-(2-nitrophenoxy)pyrrolidine-1-carboxylate2680724-75-6C18H18N2O5
- 1-Benzyl 8-methyl 5-hydroxy-1,2,3,4-tetrahydro-1,6-naphthyridine-1,8-dicarboxylate2680887-31-2C18H18N2O5
- 6-Benzyl 3-methyl 4-hydroxy-5,6,7,8-tetrahydro-1,6-naphthyridine-3,6-dicarboxylate2680888-99-5C18H18N2O5
- Benzyl 2-(3-nitrophenyl)morpholine-4-carboxylate2680893-83-6C18H18N2O5
- 2-Benzyl 5-methyl 8-hydroxy-1,2,3,4-tetrahydro-2,7-naphthyridine-2,5-dicarboxylate2680685-18-9C18H18N2O5
Frequently asked questions
What is the molar mass of C18H18N2O5?
The molar mass of C18H18N2O5 is 342.35 g/mol, calculated from standard atomic weights for 18 carbon atoms, 18 hydrogen atoms, 2 nitrogen atoms and 5 oxygen atoms. The monoisotopic mass is 342.1216 Da.
How many compounds have the formula C18H18N2O5?
CompoundList lists 205 compounds with the molecular formula C18H18N2O5, including 5-Methoxy-N-[2-(5-methoxy-1H-indol-3-yl)ethyl]-4-oxo-4H-pyran-2-carboxamide, N-(2-Hydroxy-3-(2-oxopyridin-1(2H)-yl)propyl)-7-methoxybenzofuran-2-carboxamide, N-(4-(3-((6-Methyl-2-oxo-2H-pyran-4-yl)oxy)azetidine-1-carbonyl)phenyl)acetamide. 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 C18H18N2O5?
C18H18N2O5 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.