Molecular formula
C18H26N4O3
87 compounds have this formula on CompoundList.
- Molar mass
- 346.43g/mol
- Monoisotopic mass
- 346.2005Da
- Atoms
- 51
- Elements
- 4
- Rings plus double bonds
- 8
The formula C18H26N4O3 describes a molecule made of 18 carbon atoms, 26 hydrogen atoms, 4 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 × 1862.41%12.011 × 18 = 216.198 g/mol
- H Hydrogen × 267.57%1.008 × 26 = 26.208 g/mol
- N Nitrogen × 416.17%14.007 × 4 = 56.028 g/mol
- O Oxygen × 313.85%15.999 × 3 = 47.997 g/mol
Look up another formula
Compounds with the formula C18H26N4O3
Isomers we list, best known first. Open one to see its structure, properties, safety data and suppliers.
Showing 1 to 87 of 87 compounds
![N-(1-Cyanocyclohexyl)-2-(8-methyl-2,4-dioxo-1,3-diazaspiro[4.5]decan-3-yl)acetamide chemical structure, C18H26N4O3, CAS 876670-00-7](/s/LPAQZFSWEQURCC-UHFFFAOYSA-N.svg)
N-(1-Cyanocyclohexyl)-2-(8-methyl-2,4-dioxo-1,3-diazaspiro[4.5]decan-3-yl)acetamide
CAS 876670-00-7C18H26N4O3
4-Ethyl-N-(1-(4-methoxyphenyl)-5-oxopyrrolidin-3-yl)piperazine-1-carboxamide
CAS 877640-20-5C18H26N4O3
![N-(1-Cyanocyclohexyl)-2-{2,4-dioxo-1,3-diazaspiro[4.6]undecan-3-yl}acetamide chemical structure, C18H26N4O3, CAS 876670-02-9](/s/RQUJWSVOOFHHAR-UHFFFAOYSA-N.svg)
N-(1-Cyanocyclohexyl)-2-{2,4-dioxo-1,3-diazaspiro[4.6]undecan-3-yl}acetamide
CAS 876670-02-9C18H26N4O3
![1-[4-[3-(Cyclopropylamino)-4-nitrophenyl]piperazin-1-yl]-2,2-dimethylpropan-1-one chemical structure, C18H26N4O3, CAS 433329-09-0](/s/WYGQSZJKQLNWFX-UHFFFAOYSA-N.svg)
1-[4-[3-(Cyclopropylamino)-4-nitrophenyl]piperazin-1-yl]-2,2-dimethylpropan-1-one
CAS 433329-09-0C18H26N4O3
2-Hydroxy-3-propyl-4-(6-(tetrazol-5-yl)hexyloxy)acetophenone
CAS 92518-14-4C18H26N4O3
3-(3,5-Dimethylisoxazol-4-yl)-1-(4-(5-isopropyl-1,3,4-oxadiazol-2-yl)piperidin-1-yl)propan-1-one
CAS 1211728-81-2C18H26N4O3
3-Cyclobutene-1,2-dione, 3-(methylamino)-4-((2-(((5-(1-piperidinylmethyl)-2-furanyl)methyl)amino)ethyl)amino)-
CAS 135017-19-5C18H26N4O3
N1-cyclopropyl-N2-(2-(4-(2-methoxyphenyl)piperazin-1-yl)ethyl)oxalamide
CAS 1049574-89-1C18H26N4O3
N-(2-(3-(tert-Butyl)ureido)ethyl)-4-(cyclopropanecarboxamido)benzamide
CAS 1171874-04-6C18H26N4O3
N1-cyclopropyl-N2-(2-(4-(4-methoxyphenyl)piperazin-1-yl)ethyl)oxalamide
CAS 1049418-26-9C18H26N4O3
1-(2-(4-((2-Isopropyl-1H-imidazol-1-yl)methyl)piperidin-1-yl)-2-oxoethyl)pyrrolidine-2,5-dione
CAS 1334374-84-3C18H26N4O3
2-(Acetylamino)-5-(((allylamino)carbonyl)amino)-N-benzylpentanamide
CAS 168843-80-9C18H26N4O3
Benzenemethanol, 4-((2,4-diamino-5-pyrimidinyl)methyl)-alpha,alpha-diethyl-2,6-dimethoxy-
CAS 55687-96-2C18H26N4O3
![1,6,7-Trimethyl-3-octyloxazolo[2,3-f]purine-2,4(1H,3H)-dione chemical structure, C18H26N4O3, CAS 899751-46-3](/s/CRPGCOFGFFDANC-UHFFFAOYSA-N.svg)
1,6,7-Trimethyl-3-octyloxazolo[2,3-f]purine-2,4(1H,3H)-dione
CAS 899751-46-3C18H26N4O3
AB-PINACA N-(5-hydroxypentyl) metabolite
CAS 1879029-92-1C18H26N4O3
AB-PINACA N-(4-hydroxypentyl) metabolite
CAS 2460433-25-2C18H26N4O3
N'-(2-Cyano-4-methoxy-5-(3-morpholinopropoxy)phenyl)-N,N-dimethylformimidamide
CAS 385784-73-6C18H26N4O3
![tert-Butyl 2-{2-[(3-aminoquinolin-4-yl)amino]ethoxy)ethylcarbamate chemical structure, C18H26N4O3, CAS 436856-78-9](/s/JAQSDPOQNDCKFI-UHFFFAOYSA-N.svg)
tert-Butyl 2-{2-[(3-aminoquinolin-4-yl)amino]ethoxy)ethylcarbamate
CAS 436856-78-9C18H26N4O3
![2-[1-[2-Oxo-2-(4-pyrimidin-2-ylpiperazin-1-yl)ethyl]cyclohexyl]acetic acid chemical structure, C18H26N4O3, CAS 5387-45-1](/s/YSPUKYSAADTDLV-UHFFFAOYSA-N.svg)
2-[1-[2-Oxo-2-(4-pyrimidin-2-ylpiperazin-1-yl)ethyl]cyclohexyl]acetic acid
CAS 5387-45-1C18H26N4O3
![7-(tert-Butyl)-3-hexyl-1-methyloxazolo[2,3-f]purine-2,4(1H,3H)-dione chemical structure, C18H26N4O3, CAS 899998-10-8](/s/RFQYXLKXORNQRO-UHFFFAOYSA-N.svg)
7-(tert-Butyl)-3-hexyl-1-methyloxazolo[2,3-f]purine-2,4(1H,3H)-dione
CAS 899998-10-8C18H26N4O3
![2-tert-Butyl-9-hydroxy-7,8-dihydro-5H-1,4,6,9a-tetraaza-cyclopenta[b]naphthalene-6-carboxylic acid tert-butyl ester chemical structure, C18H26N4O3, CAS 1229624-56-9](/s/FIDWWCUQJYBUDT-UHFFFAOYSA-N.svg)
2-tert-Butyl-9-hydroxy-7,8-dihydro-5H-1,4,6,9a-tetraaza-cyclopenta[b]naphthalene-6-carboxylic acid tert-butyl ester
CAS 1229624-56-9C18H26N4O3
![2-[4-(Benzylamino)-4-oxobutanoyl]-N-cyclohexylhydrazinecarboxamide chemical structure, C18H26N4O3, CAS 708289-97-8](/s/JDROVHZKOBCBQL-UHFFFAOYSA-N.svg)
2-[4-(Benzylamino)-4-oxobutanoyl]-N-cyclohexylhydrazinecarboxamide
CAS 708289-97-8C18H26N4O3
![2,2-Dimethyl-1-[4-[4-nitro-3-(prop-2-enylamino)phenyl]piperazin-1-yl]propan-1-one chemical structure, C18H26N4O3, CAS 717830-56-3](/s/WTPZZUKXOVQTKC-UHFFFAOYSA-N.svg)
2,2-Dimethyl-1-[4-[4-nitro-3-(prop-2-enylamino)phenyl]piperazin-1-yl]propan-1-one
CAS 717830-56-3C18H26N4O3
N~4~-(4-carbamoylphenyl)-N~1~,N~1~-diethylpiperidine-1,4-dicarboxamide
CAS 1158284-28-6C18H26N4O3
- N~4~-(2-carbamoylphenyl)-N~1~,N~1~-diethylpiperidine-1,4-dicarboxamide1158411-39-2C18H26N4O3
- N'-{2-Cyano-5-methoxy-4-[3-(morpholin-4-yl)propoxy]phenyl}-N,N-dimethylmethanimidamide950596-57-3C18H26N4O3
- N-[2-(3,5-Dimethyl-1H-pyrazol-1-yl)ethyl]-1-(2-methoxyethyl)-4,6-dimethyl-2-oxo-1,2-dihydropyridine-3-carboxamide1676053-15-8C18H26N4O3
- 4-Methyl-5-{2-[(2-morpholinoethyl)amino]acetyl}-1,3,4,5-tetrahydro-2H-1,5-benzodiazepin-2-one866156-79-8C18H26N4O3
- N-(1-Cyanocyclopentyl)-2-{8-ethyl-2,4-dioxo-1,3-diazaspiro[4.5]decan-3-yl}acetamide923183-88-4C18H26N4O3
- N'-(1-Acetyl-3,4-dihydro-2H-quinolin-7-yl)-N-[3-(dimethylamino)propyl]oxamide898465-72-0C18H26N4O3
- N-(1-Cyanocyclohexyl)-2-{6-methyl-2,4-dioxo-1,3-diazaspiro[4.5]decan-3-yl}acetamide876670-10-9C18H26N4O3
- 3,4-Dihydro-1(2H)-quinolineacetic acid 2-[2-(acetylamino)-3-methyl-1-oxobutyl]hydrazide1008243-66-0C18H26N4O3
- 1-{[(1-Cyano-1-methylethyl)(methyl)carbamoyl]methyl}-N-[(furan-2-yl)methyl]piperidine-4-carboxamide1258670-96-0C18H26N4O3
- N-{2-Oxo-2-[(tetrahydrofuran-2-ylmethyl)amino]ethyl}-4-phenylpiperazine-1-carboxamide1324071-68-2C18H26N4O3
- Ethyl 1,6-diethyl-4-(tetrahydro-2H-pyran-4-ylamino)-1H-pyrazolo[3,4-b]pyridine-5-carboxylate865713-74-2C18H26N4O3
- tert-Butyl 4-[2-(3-methoxyazetidin-1-yl)pyrimidin-5-yl]-3,6-dihydropyridine-1(2H)-carboxylate1400755-00-1C18H26N4O3
- N1-(pyridin-3-yl)-N2-((1-(tetrahydro-2H-pyran-4-yl)piperidin-4-yl)methyl)oxalamide2034443-94-0C18H26N4O3
- 1-Acetyl-N-[(1r,4r)-4-(pyrazin-2-yloxy)cyclohexyl]piperidine-4-carboxamide2034395-70-3C18H26N4O3
- 1-Acetyl-N-((1r,4r)-4-(pyrimidin-2-yloxy)cyclohexyl)piperidine-4-carboxamide2034444-22-7C18H26N4O3
- 1-Methyl-5-oxo-N-[(1r,4r)-4-[(4,6-dimethylpyrimidin-2-yl)oxy]cyclohexyl]pyrrolidine-3-carboxamide2034194-77-7C18H26N4O3
- 1-(4-(3-((6-Methylpyridazin-3-yl)oxy)piperidine-1-carbonyl)piperidin-1-yl)ethanone2034576-98-0C18H26N4O3
- N1-benzyl-N2-((1-(dimethylcarbamoyl)piperidin-4-yl)methyl)oxalamide2034284-27-8C18H26N4O3
- 3,4-Diethoxy-N-[3-methyl-1-(2H-1,2,3-triazol-2-yl)butan-2-yl]benzamide2034343-65-0C18H26N4O3
- 3-(2,4-Dimethoxyphenyl)-N-(3-methyl-1-(1H-1,2,3-triazol-1-yl)butan-2-yl)propanamide2034334-45-5C18H26N4O3
- tert-Butyl (2-(3-acetyl-5-(2,5-dimethyl-1H-pyrrol-1-yl)-1H-pyrazol-1-yl)ethyl)carbamate3026696-68-1C18H26N4O3
- Glycyl-4-(benzoylamino)-N-(1,1-dimethylethyl)prolinamide943134-69-8C18H26N4O3
- 4-Ethyl-N-[1-(3-methoxyphenyl)-5-oxopyrrolidin-3-yl]piperazine-1-carboxamide894013-43-5C18H26N4O3
- N-[1-(4-Ethoxyphenyl)-5-oxopyrrolidin-3-yl]-4-methylpiperazine-1-carboxamide894010-21-0C18H26N4O3
- N-(1-Cyanocyclohexyl)-2-(3-cyclopentyl-2,5-dioxoimidazolidin-1-yl)-N-methylacetamide1333892-00-4C18H26N4O3
- tert-Butyl 2-(5-Acetyl-3-(2,5-dimethyl-1H-pyrrol-1-yl)-1H-pyrazol-1-yl)ethylcarbamate1434053-44-7C18H26N4O3
- Ethyl 8-((3-methyl-1,2,4-oxadiazol-5-yl)(pyridin-2-yl)amino)octanoate1609524-08-4C18H26N4O3
- 1-(3-{2,4-Dioxo-1,3-diazaspiro[4.4]nonan-3-yl}propanoyl)-3,3-dimethylpiperidine-2-carbonitrile2223998-58-9C18H26N4O3
- 4-(4-{[(6-Cyclopropylpyridazin-3-yl)oxy]methyl}piperidine-1-carbonyl)morpholine2320861-25-2C18H26N4O3
- N-[3-[(3aR,6aR)-3a-(3-propan-2-yl-1,2,4-oxadiazol-5-yl)-1,3,4,5,6,6a-hexahydrocyclopenta[c]pyrrol-2-yl]-3-oxopropyl]prop-2-enamide2361818-23-5C18H26N4O3
- N-[1-(3-Cyclopropyl-1,2,4-oxadiazol-5-yl)-2-methylpropyl]-1-prop-2-enoylpiperidine-4-carboxamide2361757-66-4C18H26N4O3
- tert-Butyl 4-[({2-methylimidazo[1,2-b]pyridazin-6-yl}oxy)methyl]piperidine-1-carboxylate2549041-05-4C18H26N4O3
- 1-Methyl-3-(2-(piperidin-1-yl)ethyl)-5-propoxypyrido[2,3-d]pyrimidine-2,4(1H,3H)-dione921498-19-3C18H26N4O3
- N-[2-[[5-(4-Morpholinyl)-2-pyridinyl]amino]-2-oxoethyl]cyclohexanecarboxamide1062161-93-6C18H26N4O3
- N-(4-Amino-2,6-dioxo-1,3-dipropylpyrimidin-5-yl)bicyclo[2.2.1]hept-5-ene-2-carboxamide136199-20-7C18H26N4O3
- 2-[4-[(2,4-Diaminopyrimidin-5-yl)methyl]-2,6-diethoxyphenyl]propan-2-ol55687-56-4C18H26N4O3
- 2-(6-Amino-3-pyridinyl)-3-oxo-2,8-diazaspiro[4.5]decane-8-carboxylic acid 1,1-dimethylethyl ester1331847-62-1C18H26N4O3
- 1-(1-((6-Hydroxy-1,4-oxazepan-6-yl)methyl)piperidin-4-yl)-1H-benzo[d]imidazol-2(3H)-one1394458-08-2C18H26N4O3
- 4-({[(1-Cyano-1,2-dimethylpropyl)carbamoyl]methyl}amino)-N-(3-hydroxypropyl)benzamide1375165-20-0C18H26N4O3
- 4-(2,3-Dihydro-2-oxo-1H-benzo[d]imidazol-1-yl)-N-(3-methoxy-propyl)-1-piperidineacetamide1623585-60-3C18H26N4O3
- tert-Butyl 4-(2-morpholinopyrimidin-5-yl)-3,6-dihydropyridine-1(2H)-carboxylate1400754-99-5C18H26N4O3
- Ethyl 3-isopropyl-4-(4-methoxypiperidin-1-yl)-1H-pyrazolo[3,4-b]pyridine-6-carboxylate2093981-22-5C18H26N4O3
- tert-Butyl 4-(5-amino-6-methoxy-2H-indazol-2-yl)piperidine-1-carboxylate2130934-56-2C18H26N4O3
- 5-(4-{[(5,6-Dimethylpyrimidin-4-yl)oxy]methyl}piperidine-1-carbonyl)piperidin-2-one2379972-68-4C18H26N4O3
- N-Methyl-N-(2-oxo-2-{1-[5-(propan-2-yl)-1,3,4-oxadiazol-2-yl]-6-azaspiro[2.5]octan-6-yl}ethyl)prop-2-enamide2361765-46-8C18H26N4O3
- 4-(3,3-Dimethyl-2-oxoazetidin-1-yl)-N-(4,5,6,7-tetrahydro-1,2-benzoxazol-3-yl)piperidine-1-carboxamide2411304-96-4C18H26N4O3
- tert-Butyl 4-(4-(methylamino)-2-oxo-2,3-dihydro-1H-benzo[d]imidazol-1-yl)piperidine-1-carboxylate2375213-61-7C18H26N4O3
- 4-(4-{[(Oxan-4-yl)carbamoyl]methyl}piperidin-1-yl)pyridine-2-carboxamide2877650-17-2C18H26N4O3
- 1-(1-(2-Amino-3-methoxy-3-methylbutanoyl)piperidin-4-yl)-1H-benzo[d]imidazol-2(3H)-one2641314-73-8C18H26N4O3
- tert-Butyl 4-((imidazo[1,2-a]pyrazin-3-ylmethoxy)methyl)piperidine-1-carboxylate1265896-77-2C18H26N4O3
- 3-[1,6-Diethyl-4-(oxan-4-ylamino)pyrazolo[3,4-b]pyridin-5-yl]propanoic acid1179344-05-8C18H26N4O3
- tert-Butyl 4-((2-(hydroxymethyl)-3H-imidazo[4,5-b]pyridin-3-yl)methyl)piperidine-1-carboxylate1420904-26-2C18H26N4O3
- tert-Butyl 3-(2-((3H-imidazo[4,5-b]pyridin-2-yl)oxy)ethyl)piperidine-1-carboxylate1420863-68-8C18H26N4O3
- tert-Butyl 3-((2-(hydroxymethyl)-3H-imidazo[4,5-b]pyridin-3-yl)methyl)piperidine-1-carboxylate1420841-44-6C18H26N4O3
- tert-Butyl 2-((2-(hydroxymethyl)-3H-imidazo[4,5-b]pyridin-3-yl)methyl)piperidine-1-carboxylate1420954-77-3C18H26N4O3
- 4-(2,3-Dihydro-2-oxo-1H-benzo[d]imidazol-1-yl)-N-(4-hydroxy-1-methylbutyl)piperidin-1-carboxamide2072565-04-7C18H26N4O3
- 1-Propanone, 1-[2-[[3-(3-cyclopropyl-1,2,4-oxadiazol-5-yl)-1-pyrrolidinyl]carbonyl]-1-pyrrolidinyl]-2-methyl-1952200-00-8C18H26N4O3
- 3-{[(6-Cyclopropylpyridazin-3-yl)oxy]methyl}-N-(oxan-4-yl)pyrrolidine-1-carboxamide2549041-66-7C18H26N4O3
- tert-Butyl (3-(4-(3-amino-5-methoxyphenyl)-1H-pyrazol-1-yl)propyl)carbamate3078410-57-5C18H26N4O3
- 4-(2,3-Dihydro-2-oxo-1H-benzo[d]imidazol-1-yl)-N-(3-methoxy-1-methylpropyl)piperidin-1-carboxamide2985956-53-2C18H26N4O3
- 1-(1-(3-Hydroxy-2-methyl-4-(methylamino)butanoyl)piperidin-4-yl)-1H-benzo[d]imidazol-2(3H)-one2407026-02-0C18H26N4O3
- tert-Butyl 4-(2-((3H-imidazo[4,5-b]pyridin-2-yl)oxy)ethyl)piperidine-1-carboxylate1420853-35-5C18H26N4O3
- tert-Butyl 2-(2-((3H-imidazo[4,5-b]pyridin-2-yl)oxy)ethyl)piperidine-1-carboxylate1420851-13-3C18H26N4O3
Frequently asked questions
What is the molar mass of C18H26N4O3?
The molar mass of C18H26N4O3 is 346.43 g/mol, calculated from standard atomic weights for 18 carbon atoms, 26 hydrogen atoms, 4 nitrogen atoms and 3 oxygen atoms. The monoisotopic mass is 346.2005 Da.
How many compounds have the formula C18H26N4O3?
CompoundList lists 87 compounds with the molecular formula C18H26N4O3, including N-(1-Cyanocyclohexyl)-2-(8-methyl-2,4-dioxo-1,3-diazaspiro[4.5]decan-3-yl)acetamide, 4-Ethyl-N-(1-(4-methoxyphenyl)-5-oxopyrrolidin-3-yl)piperazine-1-carboxamide, N-(1-Cyanocyclohexyl)-2-{2,4-dioxo-1,3-diazaspiro[4.6]undecan-3-yl}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 C18H26N4O3?
C18H26N4O3 has a degree of unsaturation of 8. 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.