Molecular formula
C18H18N4O4
165 compounds have this formula on CompoundList.
- Molar mass
- 354.37g/mol
- Monoisotopic mass
- 354.1328Da
- Atoms
- 44
- Elements
- 4
- Rings plus double bonds
- 12
The formula C18H18N4O4 describes a molecule made of 18 carbon atoms, 18 hydrogen atoms, 4 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 × 1861.01%12.011 × 18 = 216.198 g/mol
- H Hydrogen × 185.12%1.008 × 18 = 18.144 g/mol
- N Nitrogen × 415.81%14.007 × 4 = 56.028 g/mol
- O Oxygen × 418.06%15.999 × 4 = 63.996 g/mol
Look up another formula
Compounds with the formula C18H18N4O4
Isomers we list, best known first. Open one to see its structure, properties, safety data and suppliers.
Showing 1 to 100 of 165 compounds
Bis-benzimidazole
CAS 16656-27-2C18H18N4O4
2-(6,7-Dimethyl-3-oxo-1,2,3,4-tetrahydroquinoxalin-2-yl)-N-(4-nitrophenyl)acetamide
CAS 309924-06-9C18H18N4O4
![3-[3-(3,4-Dimethoxyphenyl)-1,2,4-oxadiazol-5-yl]-N-(3-pyridinyl)propanamide chemical structure, C18H18N4O4, CAS 862246-10-4](/s/INMGIBPBZFWYIO-UHFFFAOYSA-N.svg)
3-[3-(3,4-Dimethoxyphenyl)-1,2,4-oxadiazol-5-yl]-N-(3-pyridinyl)propanamide
CAS 862246-10-4C18H18N4O4
![4-Methoxy-6-methyl-2-[6-(2-phenoxyethoxy)pyridazin-3-yl]oxypyrimidine chemical structure, C18H18N4O4, CAS 384358-00-3](/s/LIKBPXJZEVOIRJ-UHFFFAOYSA-N.svg)
4-Methoxy-6-methyl-2-[6-(2-phenoxyethoxy)pyridazin-3-yl]oxypyrimidine
CAS 384358-00-3C18H18N4O4
Nesolicaftor
CAS 1953130-87-4C18H18N4O4
1,4-Bis(1H-benzimidazol-2-yl)butane-1,2,3,4-tetrol
CAS 10300-57-9C18H18N4O4
![4-{4-[(2-Hydroxypropyl)amino]-3-nitrophenyl}-2-methylphthalazin-1(2H)-one chemical structure, C18H18N4O4, CAS 674818-70-3](/s/YOEHTRBCGIIBHK-UHFFFAOYSA-N.svg)
4-{4-[(2-Hydroxypropyl)amino]-3-nitrophenyl}-2-methylphthalazin-1(2H)-one
CAS 674818-70-3C18H18N4O4
![4-[4-(3-Hydroxypropylamino)-3-nitrophenyl]-2-methylphthalazin-1-one chemical structure, C18H18N4O4, CAS 577987-50-9](/s/CXZQQGAELGAKMH-UHFFFAOYSA-N.svg)
4-[4-(3-Hydroxypropylamino)-3-nitrophenyl]-2-methylphthalazin-1-one
CAS 577987-50-9C18H18N4O4
Ethyl 2-(4-benzyl-3-methyl-5-oxo-2,5-dihydro-1H-pyrazol-1-yl)-6-oxo-1,6-dihydro-5-pyrimidinecarboxylate
CAS 866137-68-0C18H18N4O4
![4-[4-[2-Hydroxyethyl(methyl)amino]-3-nitrophenyl]-2-methylphthalazin-1-one chemical structure, C18H18N4O4, CAS 673443-10-2](/s/AVERNXFAFGEOGC-UHFFFAOYSA-N.svg)
4-[4-[2-Hydroxyethyl(methyl)amino]-3-nitrophenyl]-2-methylphthalazin-1-one
CAS 673443-10-2C18H18N4O4
![N'-[(E)-(2,4,5-Trimethoxyphenyl)methylidene]-1H-benzimidazole-5-carbohydrazide chemical structure, C18H18N4O4, CAS 500270-37-1](/s/XGFNINFXCYQECK-ZVBGSRNCSA-N.svg)
N'-[(E)-(2,4,5-Trimethoxyphenyl)methylidene]-1H-benzimidazole-5-carbohydrazide
CAS 500270-37-1C18H18N4O4
2-(3-Hydroxy-4-(4-(4-methoxyphenyl)-1H-pyrazol-3-yl)phenoxy)acetohydrazide
CAS 879766-20-8C18H18N4O4
2-(3-Hydroxy-4-(4-(2-methoxyphenyl)-1H-pyrazol-3-yl)phenoxy)acetohydrazide
CAS 879458-73-8C18H18N4O4
N-(2-Ethoxyphenyl)-2-(1-nitroso-3-oxo-1,2,3,4-tetrahydroquinoxalin-2-yl)acetamide
CAS 348078-57-9C18H18N4O4
![4-Methoxy-N-[2-(1-methyl-5-nitrobenzimidazol-2-yl)ethyl]benzamide chemical structure, C18H18N4O4, CAS 895824-91-6](/s/IVIRCSYLYPKSPN-UHFFFAOYSA-N.svg)
4-Methoxy-N-[2-(1-methyl-5-nitrobenzimidazol-2-yl)ethyl]benzamide
CAS 895824-91-6C18H18N4O4
3-(2-Methoxyethyl)-2,4-dioxo-N-(pyridin-3-ylmethyl)-1,2,3,4-tetrahydroquinazoline-7-carboxamide
CAS 892268-97-2C18H18N4O4
![Methyl 3-{5-[2-(4-nitrophenyl)diazenyl]-2,3-dihydro-1H-indol-1-yl}propanoate chemical structure, C18H18N4O4, CAS 319916-86-4](/s/VBUURYFWBBWJLE-UHFFFAOYSA-N.svg)
Methyl 3-{5-[2-(4-nitrophenyl)diazenyl]-2,3-dihydro-1H-indol-1-yl}propanoate
CAS 319916-86-4C18H18N4O4
N'-(2,3,4-Trimethoxybenzylidene)-1H-benzimidazole-6-carbohydrazide
CAS 487023-08-5C18H18N4O4
![N'-[(E)-(3,4,5-Trimethoxyphenyl)methylidene]-1H-benzimidazole-5-carbohydrazide chemical structure, C18H18N4O4, CAS 500107-37-9](/s/WWZSKEQJIXBRIH-ZVBGSRNCSA-N.svg)
N'-[(E)-(3,4,5-Trimethoxyphenyl)methylidene]-1H-benzimidazole-5-carbohydrazide
CAS 500107-37-9C18H18N4O4
2-(6,7-Dimethyl-3-oxo-1,2,3,4-tetrahydroquinoxalin-2-yl)-N-(3-nitrophenyl)acetamide
CAS 474009-37-5C18H18N4O4
N,N'-Bis(3-acetamidophenyl)oxamide
CAS 332943-17-6C18H18N4O4
![2-[4-(4-Ethoxyphenyl)-6-oxo-1,6-dihydropyrimidin-1-yl]-N-(5-methyl-1,2-oxazol-3-yl)acetamide chemical structure, C18H18N4O4, CAS 1058461-71-4](/s/FXIQXKCERBCENU-UHFFFAOYSA-N.svg)
2-[4-(4-Ethoxyphenyl)-6-oxo-1,6-dihydropyrimidin-1-yl]-N-(5-methyl-1,2-oxazol-3-yl)acetamide
CAS 1058461-71-4C18H18N4O4
Isopropyl 2-(6-oxo-3-(3-(p-tolyl)-1,2,4-oxadiazol-5-yl)pyridazin-1(6H)-yl)acetate
CAS 1251684-71-5C18H18N4O4
![N,N'-Bis[(Z)-(4-methoxyphenyl)methylideneamino]oxamide chemical structure, C18H18N4O4, CAS 6963-27-5](/s/NDZINXKJEVQGNJ-AYKLPDECSA-N.svg)
N,N'-Bis[(Z)-(4-methoxyphenyl)methylideneamino]oxamide
CAS 6963-27-5C18H18N4O4
- 1-(2-(3-(Furan-2-yl)-6-oxopyridazin-1(6H)-yl)ethyl)-3-(3-methoxyphenyl)urea1020975-05-6C18H18N4O4
- 3-(4-(5-(Furan-2-yl)-1,3,4-oxadiazol-2-yl)piperidine-1-carbonyl)-1-methylpyridin-2(1H)-one1173053-50-3C18H18N4O4
- 5-((Benzo[d][1,3]dioxol-5-ylmethyl)amino)-1,3,6-trimethylpyrido[2,3-d]pyrimidine-2,4(1H,3H)-dione942007-77-4C18H18N4O4
- 1-(1-(2,3-Dihydrobenzo[b][1,4]dioxin-6-yl)-5-oxopyrrolidin-3-yl)-3-(pyridin-3-yl)urea877641-09-3C18H18N4O4
- 3-(5-{[(3Z)-5-(Carbamoylamino)-2-oxo-2,3-dihydro-1H-indol-3-ylidene]methyl}-4-methyl-1H-pyrrol-3-yl)propanoic acid1056224-73-7C18H18N4O4
- 5-(Benzo[d][1,3]dioxol-5-ylamino)-6-ethyl-1,3-dimethylpyrido[2,3-d]pyrimidine-2,4(1H,3H)-dione946252-84-2C18H18N4O4
- Methyl 7,10-dioxa-13,17,18,21-tetrazatetracyclo[12.5.2.12,6.017,20]docosa-1(20),2(22),3,5,14(21),15,18-heptaene-5-carboxylate2969205-87-4C18H18N4O4
- Collagen proline hydroxylase inhibitor223666-07-7C18H18N4O4
- (E)-3-(4-Ethoxy-3-methoxyphenyl)-N'-(furan-2-ylmethylene)-1H-pyrazole-5-carbohydrazide1285603-88-4C18H18N4O4
- 2-(2-(4-Methyl-2-nitrophenyl)diazenyl)-N-(4-methylphenyl)-3-oxobutanamide57206-92-5C18H18N4O4
- Butanamide, 2-[(4-methyl-2-nitrophenyl)azo]-N-(2-methylphenyl)-3-oxo-6486-24-4C18H18N4O4
- 2-(6,7-Dimethyl-3-oxo-1,2,3,4-tetrahydroquinoxalin-2-yl)-N-(2-nitrophenyl)acetamide1008947-08-7C18H18N4O4
- Ethyl 1-{5-[(2-furylcarbonyl)amino]-2-pyridinyl}-3,5-dimethyl-1H-pyrazole-4-carboxylate477710-48-8C18H18N4O4
- N'-[1-(4-Ethoxyphenyl)-2,5-dioxopyrrolidin-3-yl]pyridine-3-carbohydrazide1053083-73-0C18H18N4O4
- 3,7-Bis(4-methoxyphenyl)tetrahydro-1H,5H-(1,2,4)triazolo(1,2-a)(1,2,4)triazole-1,5-dione62442-19-7C18H18N4O4
- N-[(3,4-Dimethoxyphenyl)methyl]-2-(4-oxo-1,2,3-benzotriazin-3-yl)acetamide1001630-69-8C18H18N4O4
- N,N'-Bis(2-carbamoylphenyl)butanediamide356529-63-0C18H18N4O4
- (4-Nitro-phenyl)-((4-nitro-phenyl)-piperidin-1-YL-methylene)-amine62718-40-5C18H18N4O4
- 2-(2,5-Dioxopyrrolidin-1-yl)-N-[5-(5,6,7,8-tetrahydronaphthalen-2-yl)-1,3,4-oxadiazol-2-yl]acetamide887222-78-8C18H18N4O4
- [(1-Cyano-1-cyclopropylethyl)carbamoyl]methyl 3-methyl-4-oxo-3,4-dihydrophthalazine-1-carboxylate877949-61-6C18H18N4O4
- N-(4-((Furan-2-ylmethyl)carbamoyl)phenyl)-3-methoxy-1-methyl-1H-pyrazole-4-carboxamide1207005-07-9C18H18N4O4
- 3-{4-[5-(Furan-2-yl)-1,3,4-oxadiazol-2-yl]piperidine-1-carbonyl}-2-methoxypyridine1209956-80-8C18H18N4O4
- 2-{2-[3-(1,3-Benzodioxol-5-yl)-1,2,4-oxadiazol-5-yl]-1H-pyrrol-1-yl}-N-isopropylacetamide1261020-94-3C18H18N4O4
- 1-[[3-(3,4-Dimethoxyphenyl)-1,2,4-oxadiazol-5-yl]methyl]-3-phenylurea890326-98-4C18H18N4O4
- N'-[1-(4-Ethoxyphenyl)-2,5-dioxopyrrolidin-3-yl]pyridine-4-carbohydrazide367928-96-9C18H18N4O4
- Diethyl 5-amino-3-phenyl[1,2,4]triazolo[4,3-a]pyridine-6,8-dicarboxylate135449-26-2C18H18N4O4
- N-(2,4-Dimethoxyphenyl)-3-(4-oxo-1,2,3-benzotriazin-3(4H)-yl)propanamide880810-70-8C18H18N4O4
- N-(2,5-Dimethoxyphenyl)-3-(4-oxo-1,2,3-benzotriazin-3(4H)-yl)propanamide900892-53-7C18H18N4O4
- 2-(2,4-Dinitrophenyl)cyclohexanone N-phenylhydrazone672949-60-9C18H18N4O4
- 1H-Purine-2,6-dione, 3,7-dihydro-8-(2-(1,3-benzodioxol-5-yl)ethenyl)-1,3-diethyl-, (E)-155271-12-8C18H18N4O4
- (2S)-N-(2,5-Dimethoxyphenyl)-2-(4-oxo-1,2,3-benzotriazin-3-yl)propanamide1173684-26-8C18H18N4O4
- 2-(3-(4-Methoxyphenyl)-6-oxopyridazin-1(6H)-yl)-N-(3-methylisoxazol-5-yl)propanamide1203048-02-5C18H18N4O4
- 2-{2-[3-(2H-1,3-Benzodioxol-5-yl)-1,2,4-oxadiazol-5-yl]-1H-pyrrol-1-yl}-N-propylacetamide1260911-60-1C18H18N4O4
- 6-Isopropyl-N-(2-methoxybenzyl)-2-methylimidazo[2,1-b][1,3]thiazole-5-sulfonamide1286702-35-9C18H18N4O4
- 3-(Benzyloxy)-N-(3-(6-oxopyridazin-1(6H)-yl)propyl)isoxazole-5-carboxamide1448060-99-8C18H18N4O4
- N-(2-(Furan-2-carbonyl)-1,2,3,4-tetrahydroisoquinolin-7-yl)-2-oxoimidazolidine-1-carboxamide1448123-47-4C18H18N4O4
- 3-(2-Hydroxy-6-methyl-4-oxopyridin-1(4H)-yl)-N-(3-methyl-4-oxo-3,4-dihydroquinazolin-6-yl)propanamide1630905-29-1C18H18N4O4
- 2,P-dihydroxymesocarb72460-71-0C18H18N4O4
- N-{3-[2-Furoyl(methyl)amino]propyl}-4-oxo-3,4-dihydro-2-quinazolinecarboxamide1119416-87-3C18H18N4O4
- N-(3,5-Dimethoxyphenyl)-3-(4-oxo-1,2,3-benzotriazin-3(4H)-yl)propanamide900896-00-6C18H18N4O4
- 1-(2,4-Dimethoxyphenyl)-3-[(4-oxo-3H-phthalazin-1-yl)methyl]urea899745-90-5C18H18N4O4
- 1-(2,3-Dimethoxyphenyl)-3-[(4-oxo-3H-phthalazin-1-yl)methyl]urea899745-96-1C18H18N4O4
- 1,4-Bis[2-(phenylmethylene)-hydrazino]-1,4-dioxo-2,3-dihydroxy-butane882134-03-4C18H18N4O4
- 1-(1-(2,3-Dihydrobenzo[b][1,4]dioxin-6-yl)-5-oxopyrrolidin-3-yl)-3-(pyridin-2-yl)urea897619-96-4C18H18N4O4
- N-[2-(2-Methoxyphenoxy)ethyl]-2-(4-oxo-1,2,3-benzotriazin-3(4H)-yl)acetamide1190238-90-4C18H18N4O4
- 2-(5-(3-Ethyl-1,2,4-oxadiazol-5-yl)-2-oxopyridin-1(2H)-yl)-N-(2-methoxyphenyl)acetamide1251633-19-8C18H18N4O4
- 2-(5-(3-Ethyl-1,2,4-oxadiazol-5-yl)-2-oxopyridin-1(2H)-yl)-N-(3-methoxyphenyl)acetamide1251600-59-5C18H18N4O4
- 2-(5-(3-Ethyl-1,2,4-oxadiazol-5-yl)-2-oxopyridin-1(2H)-yl)-N-(4-methoxyphenyl)acetamide1251620-61-7C18H18N4O4
- Ethyl 1-(5-((furan-2-ylmethyl)carbamoyl)pyridin-2-yl)-5-methyl-1H-pyrazole-4-carboxylate1251704-76-3C18H18N4O4
- 1-(Benzo[d][1,3]dioxol-5-yl)-3-(2-(3-oxopiperazin-1-yl)phenyl)urea1226433-79-9C18H18N4O4
- 2-(3-(Benzo[d][1,3]dioxol-5-yl)-2-oxoimidazolidin-1-yl)-N-(4-methylpyridin-2-yl)acetamide1286709-79-2C18H18N4O4
- 2-(2-(Benzo[d][1,3]dioxol-5-yl)-4-oxopyrazolo[1,5-a]pyrazin-5(4H)-yl)-N-isopropylacetamide1189951-85-6C18H18N4O4
- N,N-Dimethyl-3-oxo-4-[2-oxo-2-(pyridin-3-ylamino)ethyl]-3,4-dihydro-2H-1,4-benzoxazine-6-carboxamide1189880-38-3C18H18N4O4
- 3-(3-Methoxy-1,2-oxazol-5-yl)-N-{3-[(1-methyl-1H-imidazol-2-yl)carbonyl]phenyl}propanamide1401558-55-1C18H18N4O4
- 3-(3-Methoxy-1,2-oxazol-5-yl)-N-{4-[(1-methyl-1H-imidazol-2-yl)carbonyl]phenyl}propanamide1401558-01-7C18H18N4O4
- 7-Methoxy-N-(6-morpholinopyrimidin-4-yl)benzofuran-2-carboxamide1396855-81-4C18H18N4O4
- 3-(2-Oxo-2-(4-(pyrazin-2-yloxy)piperidin-1-yl)ethyl)benzo[d]oxazol-2(3H)-one1421497-14-4C18H18N4O4
- P,o'-Dihydroxymesocarb661466-18-8C18H18N4O4
- P,p'-Dihydroxymesocarb661466-22-4C18H18N4O4
- N-(4-(Furan-2-yl)-1-methyl-6-oxo-4,5,6,7-tetrahydro-1H-pyrazolo[3,4-b]pyridin-3-yl)-2,5-dimethylfuran-3-carboxamide1209897-18-6C18H18N4O4
- Dabigatran metabolite M3551015167-30-2C18H18N4O4
- 5-(3,6-Diazabicyclo[3.1.1]heptan-3-yl)-2-(2,6-dioxopiperidin-3-yl)isoindoline-1,3-dione2703759-98-0C18H18N4O4
- ALKBH1-IN-3 prodrug3056005-98-9C18H18N4O4
- [6-[Hydroxy-(4-methoxyphenyl)methyl]-1,2,4,5-tetrazin-3-yl]-(4-methoxyphenyl)methanol14141-68-5C18H18N4O4
- 1-(2-Methoxyphenyl)-3-[[3-(4-methoxyphenyl)-1,2,4-oxadiazol-5-yl]methyl]urea878421-58-0C18H18N4O4
- 2-Methoxy-N-[2-(1-methyl-5-nitrobenzimidazol-2-yl)ethyl]benzamide895835-30-0C18H18N4O4
- 2-(3-(4-Ethoxyphenyl)-6-oxopyridazin-1(6H)-yl)-N-(5-methylisoxazol-3-yl)acetamide899946-65-7C18H18N4O4
- 2H-1,2,3-Triazole-4-methanamine, 2-phenyl-N-(phenylmethyl)-, ethanedioate (1:1)1078161-70-2C18H18N4O4
- 1-(1-(2,3-Dihydrobenzo[b][1,4]dioxin-6-yl)-5-oxopyrrolidin-3-yl)-3-(pyridin-4-yl)urea877641-10-6C18H18N4O4
- N-(7-((2R,4S,5R)-4-Hydroxy-5-(hydroxymethyl)tetrahydrofuran-2-yl)-7H-pyrrolo[2,3-d]pyrimidin-4-yl)benzamide95261-09-9C18H18N4O4
- 3-(2-Methoxyethyl)-2,4-dioxo-N-[(pyridin-2-yl)methyl]-1,2,3,4-tetrahydroquinazoline-7-carboxamide892268-83-6C18H18N4O4
- 2-(5-Methoxy-1,6-dimethyl-2,4-dioxo-1,2-dihydropyrido[2,3-d]pyrimidin-3(4H)-yl)-N-phenylacetamide946220-23-1C18H18N4O4
- 2-(Morpholin-4-yl)-N-(3-oxo-3,4-dihydro-2H-1,4-benzoxazin-6-yl)pyridine-3-carboxamide1147423-06-0C18H18N4O4
- 5-Methyl-7-(morpholine-4-carbonyl)-3-phenyl-1H-pyrrolo[3,2-d]pyrimidine-2,4(3H,5H)-dione921830-07-1C18H18N4O4
- 3-(6,7-Dimethoxy-4-oxoquinazolin-3(4H)-yl)-N-(pyridin-2-yl)propanamide1190262-81-7C18H18N4O4
- 3-(2,4-Dioxo-1,2,3,4-tetrahydropyrimidin-1-yl)-N-{[5-(4-methylphenyl)-1,2-oxazol-3-yl]methyl}propanamide1209237-06-8C18H18N4O4
Frequently asked questions
What is the molar mass of C18H18N4O4?
The molar mass of C18H18N4O4 is 354.37 g/mol, calculated from standard atomic weights for 18 carbon atoms, 18 hydrogen atoms, 4 nitrogen atoms and 4 oxygen atoms. The monoisotopic mass is 354.1328 Da.
How many compounds have the formula C18H18N4O4?
CompoundList lists 165 compounds with the molecular formula C18H18N4O4, including Bis-benzimidazole, 2-(6,7-Dimethyl-3-oxo-1,2,3,4-tetrahydroquinoxalin-2-yl)-N-(4-nitrophenyl)acetamide, 3-[3-(3,4-Dimethoxyphenyl)-1,2,4-oxadiazol-5-yl]-N-(3-pyridinyl)propanamide. 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 C18H18N4O4?
C18H18N4O4 has a degree of unsaturation of 12. 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.