Molecular formula
C18H18N2O3
587 compounds have this formula on CompoundList.
- Molar mass
- 310.35g/mol
- Monoisotopic mass
- 310.1317Da
- Atoms
- 41
- Elements
- 4
- Rings plus double bonds
- 11
The formula C18H18N2O3 describes a molecule made of 18 carbon atoms, 18 hydrogen atoms, 2 nitrogen atoms and 3 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 × 1869.66%12.011 × 18 = 216.198 g/mol
- H Hydrogen × 185.85%1.008 × 18 = 18.144 g/mol
- N Nitrogen × 29.03%14.007 × 2 = 28.014 g/mol
- O Oxygen × 315.47%15.999 × 3 = 47.997 g/mol
Look up another formula
Compounds with the formula C18H18N2O3
Isomers we list, best known first. Open one to see its structure, properties, safety data and suppliers.
Showing 501 to 587 of 587 compounds
Ethyl 3-(2-methoxy-3-pyridinyl)-5-methyl-1H-indole-2-carboxylate
CAS 1126422-52-3C18H18N2O3
![N-(2-Butyl-2,3-dihydro-1,3-dioxo-1H-benz[de]isoquinolin-6-yl)acetamide chemical structure, C18H18N2O3, CAS 3353-99-9](/s/TXYZROWNGUGODG-UHFFFAOYSA-N.svg)
N-(2-Butyl-2,3-dihydro-1,3-dioxo-1H-benz[de]isoquinolin-6-yl)acetamide
CAS 3353-99-9C18H18N2O3
4-(1H-Indol-5-yloxy)-pyridine-2-carboxylic acid tert-butyl ester
CAS 1229454-96-9C18H18N2O3
![9H-Fluoren-9-ylmethyl N-[2-(methylamino)-2-oxoethyl]carbamate chemical structure, C18H18N2O3, CAS 1360114-01-7](/s/IIUAWRXSNKJMEC-UHFFFAOYSA-N.svg)
9H-Fluoren-9-ylmethyl N-[2-(methylamino)-2-oxoethyl]carbamate
CAS 1360114-01-7C18H18N2O3
Benzyl 3-methyl-2-oxo-2,3,4,5-tetrahydro-1H-1,4-benzodiazepine-4-carboxylate
CAS 1478571-71-9C18H18N2O3
Methyl 3-(4-hydroxy-3-(1-methyl-1H-indazol-5-yl)phenyl)propanoate
CAS 847064-14-6C18H18N2O3
Ethyl 3-oxo-2-(2-pyridin-3-ylethyl)isoindoline-1-carboxylate
CAS 1198117-67-7C18H18N2O3
Ethyl 3-oxo-2-(2-pyridin-4-ylethyl)isoindoline-1-carboxylate
CAS 1198117-63-3C18H18N2O3
Ethyl 3-oxo-2-(2-pyridin-2-ylethyl)-1H-isoindole-1-carboxylate
CAS 1198103-34-2C18H18N2O3
![Ethyl 2-[3-(1H-benzimidazol-2-yl)phenoxy]propanoate chemical structure, C18H18N2O3, CAS 88701-40-0](/s/RGFZRMKFDOJZFI-UHFFFAOYSA-N.svg)
Ethyl 2-[3-(1H-benzimidazol-2-yl)phenoxy]propanoate
CAS 88701-40-0C18H18N2O3
![Ethyl 2-[4-(1H-benzimidazol-2-yl)phenoxy]propanoate chemical structure, C18H18N2O3, CAS 88701-41-1](/s/BYTMQAMFXGNYES-UHFFFAOYSA-N.svg)
Ethyl 2-[4-(1H-benzimidazol-2-yl)phenoxy]propanoate
CAS 88701-41-1C18H18N2O3
![2-[2-(3,4,5-Trimethoxyphenyl)ethenyl]-1H-benzimidazole chemical structure, C18H18N2O3, CAS 143426-42-0](/s/XBNZFAADBWHJFY-UHFFFAOYSA-N.svg)
2-[2-(3,4,5-Trimethoxyphenyl)ethenyl]-1H-benzimidazole
CAS 143426-42-0C18H18N2O3
![Ethyl {2-[hydroxy(phenyl)methyl]-1H-benzimidazol-6-yl}acetate chemical structure, C18H18N2O3, CAS 62468-10-4](/s/PIBQDOIJAZCUEV-UHFFFAOYSA-N.svg)
Ethyl {2-[hydroxy(phenyl)methyl]-1H-benzimidazol-6-yl}acetate
CAS 62468-10-4C18H18N2O3
1-(4-Ethoxyphenyl)-5-phenyl-4,5-dihydro-1H-pyrazole-3-carboxylic acid
CAS 1264046-37-8C18H18N2O3
![3-(4-Isopropylbenzyl)-6-methylisoxazolo[5,4-b]pyridine-4-carboxylic acid chemical structure, C18H18N2O3, CAS 1263210-47-4](/s/PURYAAPAGPKHSR-UHFFFAOYSA-N.svg)
3-(4-Isopropylbenzyl)-6-methylisoxazolo[5,4-b]pyridine-4-carboxylic acid
CAS 1263210-47-4C18H18N2O3
![3-Amino-1-(2,3-dihydrobenzo[b][1,4]dioxin-6-yl)-4-(p-tolyl)azetidin-2-one chemical structure, C18H18N2O3, CAS 1291488-41-9](/s/WUFXNXVFGOJCOL-UHFFFAOYSA-N.svg)
3-Amino-1-(2,3-dihydrobenzo[b][1,4]dioxin-6-yl)-4-(p-tolyl)azetidin-2-one
CAS 1291488-41-9C18H18N2O3
![3-Amino-4-(benzo[d][1,3]dioxol-5-yl)-1-(3,4-dimethylphenyl)azetidin-2-one chemical structure, C18H18N2O3, CAS 1291489-98-9](/s/FGLBDKGZUMLVGD-UHFFFAOYSA-N.svg)
3-Amino-4-(benzo[d][1,3]dioxol-5-yl)-1-(3,4-dimethylphenyl)azetidin-2-one
CAS 1291489-98-9C18H18N2O3
7-Amino-2-(2,4-dimethoxybenzyl)isoquinolin-1(2H)-one
CAS 1802669-03-9C18H18N2O3
![4-Acetyl-3-[4-(1-azetidinyl)phenoxy]benzamide chemical structure, C18H18N2O3, CAS 1670225-17-8](/s/CJFHPWGTXRJICP-UHFFFAOYSA-N.svg)
4-Acetyl-3-[4-(1-azetidinyl)phenoxy]benzamide
CAS 1670225-17-8C18H18N2O3
4-Cyano-N-(2-hydroxy-3-methoxy-2-phenylpropyl)benzamide
CAS 2034334-19-3C18H18N2O3
![2-[(3,5-Dimethylphenyl)diazenyl]-3-hydroxy-1-(4-methoxyphenyl)prop-2-en-1-one chemical structure, C18H18N2O3](/s/VHNGETQKKOCAAN-UHFFFAOYSA-N.svg)
2-[(3,5-Dimethylphenyl)diazenyl]-3-hydroxy-1-(4-methoxyphenyl)prop-2-en-1-one
C18H18N2O3
![2-[2-(3,5-Dimethylphenyl)hydrazono]-3-(4-methoxyphenyl)-3-oxopropanal chemical structure, C18H18N2O3](/s/VHNGETQKKOCAAN-OEQLELKQSA-N.svg)
2-[2-(3,5-Dimethylphenyl)hydrazono]-3-(4-methoxyphenyl)-3-oxopropanal
C18H18N2O3
![Benzyl 6-(pyridin-2-yl)-7-oxa-3-azabicyclo[4.1.0]heptane-3-carboxylate chemical structure, C18H18N2O3, CAS 2059955-60-9](/s/IZMNCOAPHRNROO-UHFFFAOYSA-N.svg)
Benzyl 6-(pyridin-2-yl)-7-oxa-3-azabicyclo[4.1.0]heptane-3-carboxylate
CAS 2059955-60-9C18H18N2O3
Benzyl 3-carbamoyl-3-phenylazetidine-1-carboxylate
CAS 1207203-38-0C18H18N2O3
- 3-Methoxybenzoic acid 2-[[2-hydroxy-3-(2-propen-1-yl)phenyl]methylene]hydrazide351366-05-7C18H18N2O3
- 3-(1-Cyanocyclopropyl)-6-(tetrahydro-2H-pyran-4-yl)-1H-indole-2-carboxylic Acid2982639-49-4C18H18N2O3
- N-(Furan-2-ylmethyl)-1-oxo-2-propylisoquinoline-3-carboxamide3030821-65-6C18H18N2O3
- 4-Benzoylpiperazin-1-yl benzoate1702839-20-0C18H18N2O3
- 3-(1-Cyanocyclopropyl)-7-(tetrahydro-2H-pyran-4-yl)indolizine-2-carboxylic Acid2982639-61-0C18H18N2O3
- Benzyl N-{2-[(prop-2-en-1-yl)carbamoyl]phenyl}carbamate875118-86-8C18H18N2O3
- Ethyl (E)-3-(2-aminophenyl)-2-benzamidoprop-2-enoate6341-90-8C18H18N2O3
- (1,4,5-Oxadiazepane-4,5-diyl)bis(phenylmethanone)83598-14-5C18H18N2O3
- Benzyl (2-oxo-2,3,4,5-tetrahydro-1H-benzo[b]azepin-3-yl)carbamate86499-51-6C18H18N2O3
- (9H-Fluoren-9-yl)methyl N-[(1S)-1-carbamoylethyl]carbamate136497-80-8C18H18N2O3
- 2-(Hydroxymethyl)-6-(piperidin-1-yl)-1H-benzo[de]isoquinoline-1,3(2H)-dione850648-49-6C18H18N2O3
- 2-[4-(Diethylamino)phenyl]-1,3-benzoxazole-5-carboxylic acid945531-02-2C18H18N2O3
- 1H-Pyrrolo[3,2-b]pyridine-2-carboxylic acid,4,5-dihydro-1-[(3-methylphenyl)methyl]-5-oxo-,ethyl ester677302-78-2C18H18N2O3
- 4-Methyl-N-[4-(3-oxobutanamido)phenyl]benzamide89309-95-5C18H18N2O3
- N-[(9H-Carbazol-9-yl)acetyl]-2-methylalanine101067-04-3C18H18N2O3
- N-(2'-Acetamido[1,1'-biphenyl]-2-yl)-N-acetylacetamide29325-50-6C18H18N2O3
- Prop-1-en-1-yl 4-[(E)-(4-ethoxyphenyl)diazenyl]benzoate64581-03-9C18H18N2O3
- 4-[3-(Benzyloxy)-4-methoxyphenyl]-1-diazoniobut-1-en-2-olate653579-84-1C18H18N2O3
- 4-[4-(Benzyloxy)-3-methoxyphenyl]-1-diazoniobut-1-en-2-olate653579-83-0C18H18N2O3
- Ethyl 3-(4-aminophenyl)-2-benzamidoprop-2-enoate78113-85-6C18H18N2O3
- N~1~-[(4-Methoxyphenyl)methyl]-N~4~-phenylbut-2-enediamide827314-41-0C18H18N2O3
- (3S,4S,5S)-1,5-Dimethyl-3-(4-nitrophenyl)-4-phenylpyrrolidin-2-one823785-94-0C18H18N2O3
- 2-Cyano-N-[2-(4-methoxyphenyl)ethyl]-3-(3-methylfuran-2-yl)prop-2-enamideC18H18N2O3
- Ethyl 2-(6,7-dihydro-5H-cyclopenta[b]pyridin-7-yloxy)-4-ethenylpyridine-3-carboxylate1610470-20-6C18H18N2O3
- (S)-Benzyl (2-oxo-2,3,4,5-tetrahydro-1H-benzo[b]azepin-3-yl)carbamate2124262-33-3C18H18N2O3
- Propyl 1-(4-methoxyphenyl)-1H-pyrrolo[3,2-c]pyridine-3-carboxylate1266557-86-1C18H18N2O3
- Methyl 1,2,3,4-tetrahydro-5-methyl-4-oxo-3-o-tolylquinazoline-2-carboxylate2411635-36-2C18H18N2O3
- Benzyl N-[2-(3-cyanophenyl)-2-hydroxyethyl]-N-methylcarbamate2680870-35-1C18H18N2O3
- Benzyl N-[4-cyano-2-(propan-2-yloxy)phenyl]carbamate2680851-50-5C18H18N2O3
- Benzyl N-[2-(4-cyanophenyl)-2-hydroxyethyl]-N-methylcarbamate2680745-37-1C18H18N2O3
- tert-Butyl N-(3-cyano-4-phenoxyphenyl)carbamate2680871-19-4C18H18N2O3
- Benzyl N-[(5-oxo-5,6,7,8-tetrahydroquinolin-2-yl)methyl]carbamate2680716-66-7C18H18N2O3
- tert-Butyl N-[4-(2-cyanophenoxy)phenyl]carbamate2680792-91-8C18H18N2O3
- Benzyl N-[1-(2-hydroxyethyl)-1H-indol-5-yl]carbamate2680843-62-1C18H18N2O3
- Benzyl N-[3-cyano-4-(propan-2-yloxy)phenyl]carbamate2680815-46-5C18H18N2O3
- Benzyl N-{1-[4-(cyanomethoxy)phenyl]ethyl}carbamate2680771-26-8C18H18N2O3
- Benzyl N-[5-cyano-2-(propan-2-yloxy)phenyl]carbamate2680877-75-0C18H18N2O3
- Benzyl N-{2-[4-(cyanomethyl)phenoxy]ethyl}carbamate2680902-56-9C18H18N2O3
- Benzyl N-(4-cyanophenyl)-N-(2-methoxyethyl)carbamate2680872-72-2C18H18N2O3
- tert-Butyl N-[4-(4-cyanophenoxy)phenyl]carbamate2680755-91-1C18H18N2O3
- Benzyl N-[2-(3-cyanophenoxy)ethyl]-N-methylcarbamate2680680-94-6C18H18N2O3
- Benzyl N-[3-(3-cyanopropoxy)phenyl]carbamate1851050-76-4C18H18N2O3
- Benzyl N-(2-cyanoethyl)-N-(3-methoxyphenyl)carbamate2680793-11-5C18H18N2O3
- Benzyl N-[1-(3-cyanophenyl)-2-methoxyethyl]carbamate2680889-10-3C18H18N2O3
- tert-Butyl N-[2-(3-cyanophenoxy)phenyl]carbamate2680779-22-8C18H18N2O3
- tert-Butyl N-[4-(3-cyanophenoxy)phenyl]carbamate2680666-74-2C18H18N2O3
- tert-Butyl N-[3-(4-cyanophenoxy)phenyl]carbamate2680711-72-0C18H18N2O3
- Benzyl N-(7-methyl-5-oxo-5,6,7,8-tetrahydroquinolin-3-yl)carbamate2680881-15-4C18H18N2O3
- Benzyl N-(2-cyanoethyl)-N-(2-methoxyphenyl)carbamate2680696-78-8C18H18N2O3
- Benzyl N-(2-cyanoethyl)-N-(4-methoxyphenyl)carbamate2680877-11-4C18H18N2O3
- Benzyl N-(2-oxo-2,3,4,5-tetrahydro-1H-1-benzazepin-7-yl)carbamate2319005-49-5C18H18N2O3
- Benzyl N-{4-[(prop-2-en-1-yl)carbamoyl]phenyl}carbamate1882392-77-9C18H18N2O3
- Propyl 1-(4-methoxyphenyl)-1H-pyrrolo[2,3-c]pyridine-3-carboxylate1266557-90-7C18H18N2O3
- Propyl 1-(4-methoxyphenyl)-1H-pyrrolo[3,2-b]pyridine-3-carboxylate1266557-83-8C18H18N2O3
- 4-Cbz-1-methyl-1,3,4,5-tetrahydro-2H-benzo[e][1,4]diazepin-2-one1629195-13-6C18H18N2O3
- Methyl (2R,3R)-1-benzyl-5-oxo-2-pyridin-3-ylpyrrolidine-3-carboxylate71718-90-6C18H18N2O3
- 1-(4-Ethylphenyl)-3-{5-nitro-2-methylanilino}-2-propen-1-one401832-03-9C18H18N2O3
- (2E)-2-{[(4-Methoxyphenyl)amino]methylidene}-3-oxo-N-phenylbutanamideC18H18N2O3
- (1R,2R)-2-Amino-6-(4-nitrophenyl)-1-phenylhex-5-yn-1-olC18H18N2O3
- trans-Methyl 1-benzyl-5-oxo-2-(pyridin-3-yl)pyrrolidine-3-carboxylateC18H18N2O3
- 2-(4-Diethylamino-2-hydroxyphenyl)isoindoline-1,3-dione2260938-73-4C18H18N2O3
- 5-Ethyl-5-(2-naphthalen-1-ylethyl)-1,3-diazinane-2,4,6-trione66969-00-4C18H18N2O3
- (E)-2-Cyano-N-[2-(4-methoxyphenyl)ethyl]-3-(3-methylfuran-2-yl)prop-2-enamideC18H18N2O3
Frequently asked questions
What is the molar mass of C18H18N2O3?
The molar mass of C18H18N2O3 is 310.35 g/mol, calculated from standard atomic weights for 18 carbon atoms, 18 hydrogen atoms, 2 nitrogen atoms and 3 oxygen atoms. The monoisotopic mass is 310.1317 Da.
How many compounds have the formula C18H18N2O3?
CompoundList lists 587 compounds with the molecular formula C18H18N2O3, including Ethyl 3-(2-methoxy-3-pyridinyl)-5-methyl-1H-indole-2-carboxylate, N-(2-Butyl-2,3-dihydro-1,3-dioxo-1H-benz[de]isoquinolin-6-yl)acetamide, 4-(1H-Indol-5-yloxy)-pyridine-2-carboxylic acid tert-butyl ester. 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 C18H18N2O3?
C18H18N2O3 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.