Molecular formula
C18H20N2O3
591 compounds have this formula on CompoundList.
- Molar mass
- 312.37g/mol
- Monoisotopic mass
- 312.1474Da
- Atoms
- 43
- Elements
- 4
- Rings plus double bonds
- 10
The formula C18H20N2O3 describes a molecule made of 18 carbon atoms, 20 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 × 1869.21%12.011 × 18 = 216.198 g/mol
- H Hydrogen × 206.45%1.008 × 20 = 20.160 g/mol
- N Nitrogen × 28.97%14.007 × 2 = 28.014 g/mol
- O Oxygen × 315.37%15.999 × 3 = 47.997 g/mol
Look up another formula
Compounds with the formula C18H20N2O3
Isomers we list, best known first. Open one to see its structure, properties, safety data and suppliers.
Showing 501 to 591 of 591 compounds
![1-(2-Oxo-2-{6-phenyl-2-azaspiro[3.3]heptan-2-yl}ethyl)pyrrolidine-2,5-dione chemical structure, C18H20N2O3, CAS 2379950-67-9](/s/UZYTZZYSTXENEY-UHFFFAOYSA-N.svg)
1-(2-Oxo-2-{6-phenyl-2-azaspiro[3.3]heptan-2-yl}ethyl)pyrrolidine-2,5-dione
CAS 2379950-67-9C18H20N2O3
![1-[(1,3-Benzoxazol-2-yl)amino]-3-(4-methoxyphenyl)-2-methylpropan-2-ol chemical structure, C18H20N2O3, CAS 2379996-85-5](/s/FGDPFCRVQXONGH-UHFFFAOYSA-N.svg)
1-[(1,3-Benzoxazol-2-yl)amino]-3-(4-methoxyphenyl)-2-methylpropan-2-ol
CAS 2379996-85-5C18H20N2O3
1-Cyclopropyl-3-(tetrahydro-2H-pyran-4-yl)-1H-pyrazol-4-yl benzoate
CAS 2415222-45-4C18H20N2O3
![(3-Ethyl-4-{[(2-methylphenyl)carbamoyl]amino}phenyl)acetic acid chemical structure, C18H20N2O3, CAS 924309-81-9](/s/FBWKLYZNZFBLHX-UHFFFAOYSA-N.svg)
(3-Ethyl-4-{[(2-methylphenyl)carbamoyl]amino}phenyl)acetic acid
CAS 924309-81-9C18H20N2O3
![I+/--Hydroxy-N-[4-(4-morpholinyl)phenyl]benzeneacetamide chemical structure, C18H20N2O3, CAS 27311-28-0](/s/BEEJYUAQGWTHJO-UHFFFAOYSA-N.svg)
I+/--Hydroxy-N-[4-(4-morpholinyl)phenyl]benzeneacetamide
CAS 27311-28-0C18H20N2O3
1,2-Bis(4-methoxyphenyl)-4,4-dimethyl-1,2-diazetidin-3-one
CAS 29552-43-0C18H20N2O3
![2-[1H-Pyrrol-2-yl-(2,4,5-trimethoxyphenyl)methyl]-1H-pyrrole chemical structure, C18H20N2O3, CAS 2760730-53-6](/s/MUEXWBWXACFNBN-UHFFFAOYSA-N.svg)
2-[1H-Pyrrol-2-yl-(2,4,5-trimethoxyphenyl)methyl]-1H-pyrrole
CAS 2760730-53-6C18H20N2O3
![N-[1-(4-Ethoxyphenyl)ethylidene]-4-methoxybenzene-1-carbohydrazonic acid chemical structure, C18H20N2O3, CAS 6400-50-6](/s/OUISCPDLJBOMHC-UHFFFAOYSA-N.svg)
N-[1-(4-Ethoxyphenyl)ethylidene]-4-methoxybenzene-1-carbohydrazonic acid
CAS 6400-50-6C18H20N2O3
![Propyl 4-[(2-amino-2-oxo-1-phenylethyl)amino]benzoate chemical structure, C18H20N2O3, CAS 62659-35-2](/s/UFCOBLVJJSBBTH-UHFFFAOYSA-N.svg)
Propyl 4-[(2-amino-2-oxo-1-phenylethyl)amino]benzoate
CAS 62659-35-2C18H20N2O3
![N-(2-Methoxyphenyl)-N-[(1E)-N-(2-methoxyphenyl)ethanimidoyl]acetamide chemical structure, C18H20N2O3, CAS 88046-96-2](/s/DPLCFVAVMOGLAA-UHFFFAOYSA-N.svg)
N-(2-Methoxyphenyl)-N-[(1E)-N-(2-methoxyphenyl)ethanimidoyl]acetamide
CAS 88046-96-2C18H20N2O3
![N,N-Dimethyl-N'-{3-[(1-oxo-1-phenylpropan-2-yl)oxy]phenyl}urea chemical structure, C18H20N2O3, CAS 87476-03-7](/s/WIMRHVBUSKORTG-UHFFFAOYSA-N.svg)
N,N-Dimethyl-N'-{3-[(1-oxo-1-phenylpropan-2-yl)oxy]phenyl}urea
CAS 87476-03-7C18H20N2O3
N-Ethyl-2-(2-nitrophenyl)-N-(1-phenylethyl)acetamide
CAS 88066-55-1C18H20N2O3
![N,N-Dimethyl-N'-{4-[(1-oxo-1-phenylpropan-2-yl)oxy]phenyl}urea chemical structure, C18H20N2O3, CAS 88971-88-4](/s/SSBKNHWSHMGIRO-UHFFFAOYSA-N.svg)
N,N-Dimethyl-N'-{4-[(1-oxo-1-phenylpropan-2-yl)oxy]phenyl}urea
CAS 88971-88-4C18H20N2O3
1H-Indole-1-carboxylic acid,2,3-dihydro-5-(2-oxo-1(2H)-pyridinyl)-,1,1-dimethylethyl ester
CAS 503614-75-3C18H20N2O3
Methyl 2-phenoxy-4-piperazin-1-ylbenzoate
CAS 1228782-91-9C18H20N2O3
![5-[(4-Methoxy-3-pyridinyl)methoxy]-2-propyl-3H-isoindol-1-one chemical structure, C18H20N2O3, CAS 1338467-44-9](/s/FORMFEGXUOMIPI-UHFFFAOYSA-N.svg)
5-[(4-Methoxy-3-pyridinyl)methoxy]-2-propyl-3H-isoindol-1-one
CAS 1338467-44-9C18H20N2O3
Butyl (diphenylcarbamoyl)carbamate
CAS 98508-51-1C18H20N2O3
![4-[(E)-(4-Ethoxyphenyl)diazenyl]phenyl butanoate chemical structure, C18H20N2O3, CAS 38974-24-2](/s/FAGGAFAKNAVGTM-UHFFFAOYSA-N.svg)
4-[(E)-(4-Ethoxyphenyl)diazenyl]phenyl butanoate
CAS 38974-24-2C18H20N2O3
![N-{3-[4-(Hydroxyamino)-4-oxobutyl]phenyl}-4-methylbenzamide chemical structure, C18H20N2O3, CAS 669705-89-9](/s/KBJDZTWRGLDVRS-UHFFFAOYSA-N.svg)
N-{3-[4-(Hydroxyamino)-4-oxobutyl]phenyl}-4-methylbenzamide
CAS 669705-89-9C18H20N2O3
Ethyl 4-cyano-5-oxo-3-phenyl-5-(pyrrolidin-1-yl)pent-2-enoate
CAS 66249-60-3C18H20N2O3
![4-[(3-Methyl-4-nitrophenyl)(phenyl)methyl]morpholine chemical structure, C18H20N2O3, CAS 62441-36-5](/s/BMTMPNORNPOLJW-UHFFFAOYSA-N.svg)
4-[(3-Methyl-4-nitrophenyl)(phenyl)methyl]morpholine
CAS 62441-36-5C18H20N2O3
Ethyl 2-cyano-5-(morpholin-4-yl)-5-phenylpenta-2,4-dienoate
CAS 62090-08-8C18H20N2O3
![1-(Benzylamino)-3-[(2-methyl-1,3-benzoxazol-6-yl)oxy]propan-2-ol chemical structure, C18H20N2O3, CAS 61235-98-1](/s/NOXBJNNWRJKUJV-UHFFFAOYSA-N.svg)
1-(Benzylamino)-3-[(2-methyl-1,3-benzoxazol-6-yl)oxy]propan-2-ol
CAS 61235-98-1C18H20N2O3
![2-[(2-Benzyl-2-phenylhydrazinylidene)methyl]-4-hydroxybutanoic acid chemical structure, C18H20N2O3, CAS 61148-67-2](/s/VGNVQNTYFBETCZ-UHFFFAOYSA-N.svg)
2-[(2-Benzyl-2-phenylhydrazinylidene)methyl]-4-hydroxybutanoic acid
CAS 61148-67-2C18H20N2O3
- 3-(Diphenylhydrazinylidene)-2-(2-hydroxyethyl)butanoic acid61148-64-9C18H20N2O3
- Methyl 5-[(2-phenylhydrazinylidene)methyl]-2-propoxybenzoate90167-26-3C18H20N2O3
- Ethyl 2-(2-aminobenzamido)-3-phenylpropanoate296282-21-8C18H20N2O3
- 3-Allyl-4-(benzyloxy)-5-methoxybenzohydrazide1706451-53-7C18H20N2O3
- 4-Hydroxy-3-((4-phenylpiperazin-1-yl)methyl)benzoic acid1713174-86-7C18H20N2O3
- 3-Amino-1-(4-ethoxyphenyl)-4-(4-methoxyphenyl)azetidin-2-one1291488-89-5C18H20N2O3
- 3-Amino-1-(4-ethoxyphenyl)-4-(3-methoxyphenyl)azetidin-2-one1291490-24-8C18H20N2O3
- (S)-2-((2,2-Dimethyl-3-oxohexahydro-1H-pyrrolizin-7a-yl)methyl)isoindoline-1,3-dione1788871-91-9C18H20N2O3
- (R)-2-((2,2-Dimethyl-3-oxohexahydro-1H-pyrrolizin-7a-yl)methyl)isoindoline-1,3-dione1788871-90-8C18H20N2O3
- Ethyl 4-((3-methyl-3-phenylureido)methyl)benzoate1378233-17-0C18H20N2O3
- (9H-Fluoren-9-yl)methyl N-(3-aminopropoxy)carbamate2138078-99-4C18H20N2O3
- 7-Hexyl-10-hydroxy-5-oxo-5lambda~5~-phenazin-2(10H)-one89223-17-6C18H20N2O3
- 4-Cyclohexyl-6-[(2-hydroxyphenyl)diazenyl]benzene-1,3-diol59854-37-4C18H20N2O3
- 1,1-Dimethylethyl 3-[3-methoxy-4-(4-methyl-1H-imidazol-1-yl)phenyl]-2-propynoate870838-58-7C18H20N2O3
- 1-{3-[(2-Methylpyridin-4-yl)oxy]azetidin-1-yl}-2-phenoxypropan-1-one2741919-85-5C18H20N2O3
- Ethyl 1-(8-formylquinolin-5-yl)piperidine-4-carboxylate2138262-56-1C18H20N2O3
- Ethyl 1-(8-formylquinolin-7-yl)piperidine-3-carboxylate2137747-50-1C18H20N2O3
- Ethyl 1-(8-formylquinolin-6-yl)piperidine-3-carboxylate2137649-70-6C18H20N2O3
- Ethyl 1-(8-formylquinolin-5-yl)piperidine-3-carboxylate2137684-41-2C18H20N2O3
- Ethyl 1-(8-formylquinolin-6-yl)piperidine-4-carboxylate2138307-48-7C18H20N2O3
- Ethyl 1-(8-formylquinolin-7-yl)piperidine-4-carboxylate2137687-45-5C18H20N2O3
- Benzyl 7-(aminomethyl)-2,3,4,5-tetrahydro-1,4-benzoxazepine-4-carboxylate2137667-76-4C18H20N2O3
- Benzyl 5,6-dihydro-4H-spiro[furo[2,3-c]pyridine-7,3'-pyrrolidine]-1'-carboxylate2137584-86-0C18H20N2O3
- Benzyl 6-(aminomethyl)-2,3,4,5-tetrahydro-1,4-benzoxazepine-4-carboxylate2138231-36-2C18H20N2O3
- Benzyl 7-amino-9-methyl-2,3,4,5-tetrahydro-1,4-benzoxazepine-4-carboxylate2138159-92-7C18H20N2O3
- tert-Butyl 2-(2-aminobenzamido)benzoate2803846-72-0C18H20N2O3
- Benzyl 9-(aminomethyl)-2,3,4,5-tetrahydro-1,4-benzoxazepine-4-carboxylate2138164-60-8C18H20N2O3
- Benzyl 8-(aminomethyl)-2,3,4,5-tetrahydro-1,4-benzoxazepine-4-carboxylate2137667-80-0C18H20N2O3
- Benzyl 6,7-dihydro-5H-spiro[furo[3,2-c]pyridine-4,3'-pyrrolidine]-1'-carboxylate2001793-42-4C18H20N2O3
- Ethyl 2-[(benzyloxy)methyl]-4-cyclopropylpyrimidine-5-carboxylate1995213-80-3C18H20N2O3
- N-(2-Aminoethyl)-2-(1,3-dioxaindan-5-yl)-N-benzylacetamide1836794-07-0C18H20N2O3
- tert-Butyl 3-(3-aminobenzamido)benzoate2639448-51-2C18H20N2O3
- Benzyl N-[2-(2-hydroxyethyl)-2,3-dihydro-1H-isoindol-4-yl]carbamate2680753-71-1C18H20N2O3
- Benzyl N-[(2-hydroxy-5,6,7,8-tetrahydroquinolin-3-yl)methyl]carbamate2680757-99-5C18H20N2O3
- Benzyl 3-(hydroxymethyl)-3-(pyridin-2-yl)pyrrolidine-1-carboxylate2680885-39-4C18H20N2O3
- Benzyl N-{4-[(3R)-3-hydroxypyrrolidin-1-yl]phenyl}carbamate2679931-14-5C18H20N2O3
- Benzyl N-{4-[(3S)-3-hydroxypyrrolidin-1-yl]phenyl}carbamate2679943-77-0C18H20N2O3
- Benzyl N-[4-(3-hydroxypyrrolidin-1-yl)phenyl]carbamate2680781-78-4C18H20N2O3
- Benzyl N-{[1-(6-hydroxypyridin-2-yl)cyclobutyl]methyl}carbamate2680891-54-5C18H20N2O3
- Benzyl 3-hydroxy-3-(6-methylpyridin-3-yl)pyrrolidine-1-carboxylate2680691-53-4C18H20N2O3
- Benzyl N-methyl-N-[1-(6-methylpyridin-3-yl)-1-oxopropan-2-yl]carbamate2770556-46-0C18H20N2O3
- Benzyl N-methyl-N-[1-(5-methylpyridin-2-yl)-1-oxopropan-2-yl]carbamate2770525-71-6C18H20N2O3
- Benzyl N-{[1-(2-hydroxypyridin-4-yl)cyclobutyl]methyl}carbamate2770494-59-0C18H20N2O3
- Benzyl N-[4-(3-hydroxy-3-methylazetidin-1-yl)phenyl]carbamate2913414-61-4C18H20N2O3
- 3-{6-[(Piperidin-4-yl)methoxy]pyridin-2-yl}benzoic acid2443969-38-6C18H20N2O3
- 3-{6-[(Piperidin-3-yl)methoxy]pyridin-2-yl}benzoic acid2445256-12-0C18H20N2O3
- 3-{6-[(Piperidin-4-yl)methoxy]pyridin-3-yl}benzoic acid2439175-08-1C18H20N2O3
- 3-{2-[(Piperidin-4-yl)methoxy]pyridin-3-yl}benzoic acid2448343-23-3C18H20N2O3
- 3-{6-[(Piperidin-3-yl)methoxy]pyridin-3-yl}benzoic acid2448739-52-2C18H20N2O3
- 3-{2-[(Piperidin-3-yl)methoxy]pyridin-3-yl}benzoic acid2448343-54-0C18H20N2O3
- N-PhenylGly-Phe-OMe2252140-86-4C18H20N2O3
- tert-Butyl 2-(4-(3-oxo-2,3-dihydro-1H-inden-5-yl)-1H-pyrazol-1-yl)acetate3078419-00-5C18H20N2O3
- tert-Butyl 2-(4-(1-oxo-2,3-dihydro-1H-inden-5-yl)-1H-pyrazol-1-yl)acetate3078442-88-0C18H20N2O3
- Orforglipron impurity 293076771-52-0C18H20N2O3
- N-(3-Nitrophenyl)-N-(2-phenylethyl)butanamide129882-08-2C18H20N2O3
- (E)-(3-Phenoxyphenyl)methylideneamino) N-tert-butylcarbamate98992-39-3C18H20N2O3
- 6-Amino-2-methyl-4-(3-phenoxypropyl)-2H-benzo[b][1,4]oxazin-3(4H)-one1017195-73-1C18H20N2O3
- Carbamic acid,N-(2-amino-5-benzoylphenyl)-,1,1-dimethylethyl ester1282523-81-2C18H20N2O3
- tert-Butyl N-[3-(6-isocyanato-2,3-dihydro-1H-inden-1-yl)prop-2-ynyl]carbamate875018-30-7C18H20N2O3
- Ethyl 1-[[5-(4-aminophenyl)-2-pyridinyl]oxymethyl]cyclopropane-1-carboxylate1105052-62-7C18H20N2O3
- tert-Butyl 5'-ethynyl-2-oxospiro[indoline-3,3'-pyrrolidine]-1'-carboxylate2208273-54-3C18H20N2O3
- tert-Butyl (R)-3-(5-vinyl-4,5-dihydroisoxazol-3-yl)-1H-indole-1-carboxylate2768073-90-9C18H20N2O3
- 8-Carbomethoxy-8,9-didehydro-D-lysergic Acid Methyl Ester38390-63-5C18H20N2O3
- Ethyl 3-methyl-1-((3-oxocyclohex-1-en-1-yl)amino)-1H-indole-2-carboxylate2914975-83-8C18H20N2O3
- Ethyl 5-methyl-1-((3-oxocyclohex-1-en-1-yl)amino)-1H-indole-2-carboxylate2914975-77-0C18H20N2O3
- Ethyl 1-((5-methyl-3-oxocyclohex-1-en-1-yl)amino)-1H-indole-2-carboxylate2914975-91-8C18H20N2O3
- (2R)-1-(1-Naphthalen-1-ylethylcarbamoyl)pyrrolidine-2-carboxylic acid113722-73-9C18H20N2O3
Frequently asked questions
What is the molar mass of C18H20N2O3?
The molar mass of C18H20N2O3 is 312.37 g/mol, calculated from standard atomic weights for 18 carbon atoms, 20 hydrogen atoms, 2 nitrogen atoms and 3 oxygen atoms. The monoisotopic mass is 312.1474 Da.
How many compounds have the formula C18H20N2O3?
CompoundList lists 591 compounds with the molecular formula C18H20N2O3, including 1-(2-Oxo-2-{6-phenyl-2-azaspiro[3.3]heptan-2-yl}ethyl)pyrrolidine-2,5-dione, 1-[(1,3-Benzoxazol-2-yl)amino]-3-(4-methoxyphenyl)-2-methylpropan-2-ol, 1-Cyclopropyl-3-(tetrahydro-2H-pyran-4-yl)-1H-pyrazol-4-yl benzoate. 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 C18H20N2O3?
C18H20N2O3 has a degree of unsaturation of 10. 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.