Molecular formula
C18H19N3O2
419 compounds have this formula on CompoundList.
- Molar mass
- 309.37g/mol
- Monoisotopic mass
- 309.1477Da
- Atoms
- 42
- Elements
- 4
- Rings plus double bonds
- 11
The formula C18H19N3O2 describes a molecule made of 18 carbon atoms, 19 hydrogen atoms, 3 nitrogen atoms and 2 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 × 1869.88%12.011 × 18 = 216.198 g/mol
- H Hydrogen × 196.19%1.008 × 19 = 19.152 g/mol
- N Nitrogen × 313.58%14.007 × 3 = 42.021 g/mol
- O Oxygen × 210.34%15.999 × 2 = 31.998 g/mol
Look up another formula
Compounds with the formula C18H19N3O2
Isomers we list, best known first. Open one to see its structure, properties, safety data and suppliers.
Showing 101 to 200 of 419 compounds
1H-1,2,4-Triazole, 3-(3,5-dimethoxyphenyl)-5-(2-ethylphenyl)-
CAS 85303-86-2C18H19N3O2
![(5Z)-5-{[1-(3,4-Dimethylphenyl)-2,5-dimethyl-1H-pyrrol-3-yl]methylidene}imidazolidine-2,4-dione chemical structure, C18H19N3O2, CAS 340306-61-8](/s/ROOAJJXSHQWJKB-SXGWCWSVSA-N.svg)
(5Z)-5-{[1-(3,4-Dimethylphenyl)-2,5-dimethyl-1H-pyrrol-3-yl]methylidene}imidazolidine-2,4-dione
CAS 340306-61-8C18H19N3O2
![N-[2-(1H-Benzimidazol-2-yl)ethyl]-2-ethoxybenzamide chemical structure, C18H19N3O2, CAS 302559-77-9](/s/KWAYGYWBJFXGSM-UHFFFAOYSA-N.svg)
N-[2-(1H-Benzimidazol-2-yl)ethyl]-2-ethoxybenzamide
CAS 302559-77-9C18H19N3O2
![N,N,2-Trimethyl-4-[(phenylmethyl)oxy]-1H-benzimidazole-6-carboxamide chemical structure, C18H19N3O2, CAS 942195-84-8](/s/LMUKCLBCNXTYHK-UHFFFAOYSA-N.svg)
N,N,2-Trimethyl-4-[(phenylmethyl)oxy]-1H-benzimidazole-6-carboxamide
CAS 942195-84-8C18H19N3O2
![N-[2-(Piperidine-1-carbonyl)phenyl]pyridine-3-carboxamide chemical structure, C18H19N3O2, CAS 329067-89-2](/s/XFIGGRMNRQCBJM-UHFFFAOYSA-N.svg)
N-[2-(Piperidine-1-carbonyl)phenyl]pyridine-3-carboxamide
CAS 329067-89-2C18H19N3O2
![(5Z)-5-{[1-(3,5-Dimethylphenyl)-2,5-dimethyl-1H-pyrrol-3-yl]methylidene}imidazolidine-2,4-dione chemical structure, C18H19N3O2, CAS 330632-25-2](/s/PHUACGTWUNHOKZ-SXGWCWSVSA-N.svg)
(5Z)-5-{[1-(3,5-Dimethylphenyl)-2,5-dimethyl-1H-pyrrol-3-yl]methylidene}imidazolidine-2,4-dione
CAS 330632-25-2C18H19N3O2
1,5-Dibenzyl-1,3,5-triazepane-2,4-dione
CAS 36107-51-4C18H19N3O2
![Methyl 1-ethyl-3-methyl-6-(p-tolyl)-1H-pyrazolo[3,4-b]pyridine-4-carboxylate chemical structure, C18H19N3O2, CAS 832742-47-9](/s/KLKZCVPQXRBXGH-UHFFFAOYSA-N.svg)
Methyl 1-ethyl-3-methyl-6-(p-tolyl)-1H-pyrazolo[3,4-b]pyridine-4-carboxylate
CAS 832742-47-9C18H19N3O2
1-(5-Hydroxy-3-methyl-5-pyridin-3-yl-4H-pyrazol-1-yl)-3-phenylpropan-1-one
CAS 312521-70-3C18H19N3O2
1-(5-(tert-Butyl)isoxazol-3-yl)-3-(naphthalen-1-yl)urea
CAS 515859-82-2C18H19N3O2
![1-[3-Methyl-4-(2-oxopyrrolidin-1-yl)phenyl]-3-phenylurea chemical structure, C18H19N3O2, CAS 922949-69-7](/s/BZGGMKIMFOAYKD-UHFFFAOYSA-N.svg)
1-[3-Methyl-4-(2-oxopyrrolidin-1-yl)phenyl]-3-phenylurea
CAS 922949-69-7C18H19N3O2
1-(Phenylcarbonyl)-N-(pyridin-4-yl)piperidine-4-carboxamide
CAS 110105-34-5C18H19N3O2
![N-(1-(1-(2-Methylallyl)-1H-benzo[d]imidazol-2-yl)ethyl)furan-2-carboxamide chemical structure, C18H19N3O2, CAS 919972-35-3](/s/QCGMAGQOKCSGAY-UHFFFAOYSA-N.svg)
N-(1-(1-(2-Methylallyl)-1H-benzo[d]imidazol-2-yl)ethyl)furan-2-carboxamide
CAS 919972-35-3C18H19N3O2
![Ethyl 6-ethyl-3-methyl-1-phenyl-1H-pyrazolo[3,4-b]pyridine-4-carboxylate chemical structure, C18H19N3O2, CAS 1018151-08-0](/s/JVBCTUSBBXFWBF-UHFFFAOYSA-N.svg)
Ethyl 6-ethyl-3-methyl-1-phenyl-1H-pyrazolo[3,4-b]pyridine-4-carboxylate
CAS 1018151-08-0C18H19N3O2
N1,N2-Diphenyl-1,2-pyrrolidinedicarboxamide
CAS 1219346-33-4C18H19N3O2
N-(2-(Dimethylamino)ethyl)-2-phenyl-7-benzoxazolecarboxamide
CAS 131862-19-6C18H19N3O2
![(5Z)-5-[[1-(2,3-Dimethylphenyl)-2,5-dimethylpyrrol-3-yl]methylidene]imidazolidine-2,4-dione chemical structure, C18H19N3O2, CAS 347381-15-1](/s/FCPLCLSBSPRYSN-DHDCSXOGSA-N.svg)
(5Z)-5-[[1-(2,3-Dimethylphenyl)-2,5-dimethylpyrrol-3-yl]methylidene]imidazolidine-2,4-dione
CAS 347381-15-1C18H19N3O2
2,5,6-Trimethyl-1-(3-methylbenzyl)-4-nitro-1H-1,3-benzimidazole
CAS 338954-74-8C18H19N3O2
![N-[7-(4-Methylphenyl)-5-oxo-7,8-dihydro-6H-quinazolin-2-yl]propanamide chemical structure, C18H19N3O2, CAS 354538-18-4](/s/QSZDBTZXGTYGRO-UHFFFAOYSA-N.svg)
N-[7-(4-Methylphenyl)-5-oxo-7,8-dihydro-6H-quinazolin-2-yl]propanamide
CAS 354538-18-4C18H19N3O2
N-(3,5-Dimethylphenyl)-2-(3-oxo-1,2,3,4-tetrahydroquinoxalin-2-yl)acetamide
CAS 1008494-02-7C18H19N3O2
3-((4-(Dimethylamino)phenyl)amino)-1-phenylpyrrolidine-2,5-dione
CAS 1009537-29-4C18H19N3O2
1H-Imidazole-4-acetamide, N-(2-(7-methoxy-1-naphthalenyl)ethyl)-
CAS 138113-00-5C18H19N3O2
![N-Ethyl-2-[2-(hydroxymethyl)benzimidazolyl]-N-phenylacetamide chemical structure, C18H19N3O2, CAS 853752-48-4](/s/GRIBSLZIMXKPTN-UHFFFAOYSA-N.svg)
N-Ethyl-2-[2-(hydroxymethyl)benzimidazolyl]-N-phenylacetamide
CAS 853752-48-4C18H19N3O2
N'-(2-Cyano-4-methoxy-5-benzyloxyphenyl)-N,N-dimethylimidoformamide
CAS 385785-03-5C18H19N3O2
- N-(7,7-Dimethyl-5-oxo-5,6,7,8-tetrahydroquinazolin-2-yl)-2-phenylacetamide299199-28-3C18H19N3O2
- 1-Acetyl-4-[(4-morpholin-4-ylphenyl)diazenyl]benzene87437-38-5C18H19N3O2
- (E)-1-(Hydroxyimino)-3,3,6-trimethyl-2,3,4,7-tetrahydro-1H-indolo[2,3-c]quinoline 5-oxide681235-68-7C18H19N3O2
- 1-(1-Methyl-2-oxoindolin-5-yl)-3-phenethylurea1171460-18-6C18H19N3O2
- 7-Isobutyl-2-methyl-3-phenylpyrazolo[1,5-a]pyrimidine-5-carboxylic acid1401319-35-4C18H19N3O2
- N-(4-(Benzyl(methyl)amino)but-2-yn-1-yl)-6-oxo-1,6-dihydropyridine-3-carboxamide1396803-25-0C18H19N3O2
- 1-Butyl-1,2,5,6-tetrahydro-2,6-dioxo-4-methyl-5-(anilinomethylene)pyridine-3-carbonitrile256429-95-5C18H19N3O2
- N-(2-(4,4-Dimethyl-4,5-dihydrooxazol-2-yl)phenyl)-6-methylpicolinamide2412735-75-0C18H19N3O2
- 4(3H)-Quinazolinone, 6-amino-2-(ethoxymethyl)-3-(2-methylphenyl)-73832-48-1C18H19N3O2
- 3-Methyl-N-[2-methyl-3-([1,3]oxazolo[4,5-b]pyridin-2-yl)phenyl]butanamide839697-25-5C18H19N3O2
- 2,2-Dimethyl-N-[4-([1,3]oxazolo[4,5-b]pyridin-2-yl)benzyl]propanamide878416-21-8C18H19N3O2
- N-(4-Methylphenyl)-2-[(2-phenylcyclopropyl)carbonyl]hydrazinecarboxamide515120-42-0C18H19N3O2
- 4-Cyclopentyloxy-N-[(E)-pyridin-3-ylmethylideneamino]benzamide445258-91-3C18H19N3O2
- 4-(Cyclopentyloxy)-N'-(2-pyridinylmethylene)benzohydrazide445246-61-7C18H19N3O2
- 6-Allyl-3-(4-methoxyphenyl)-2,5-dimethylpyrazolo[1,5-a]pyrimidin-7(4H)-one924870-21-3C18H19N3O2
- Ethyl N-[7-methyl-2-(4-methylphenyl)imidazo[1,2-a]pyridin-3-yl]carbamate505060-80-0C18H19N3O2
- tert-Butyl 4-(1H-pyrrolo[2,3-b]pyridin-4-yl)phenylcarbamate944955-04-8C18H19N3O2
- N-Phenyl-N'-[3-(1-pyrrolidinylcarbonyl)phenyl]urea1003428-99-6C18H19N3O2
- N-[3-(1-Piperidinylcarbonyl)phenyl]isonicotinamide1030473-77-8C18H19N3O2
- 1-(2-Oxo-1,2,3,4-tetrahydroquinolin-6-yl)-3-phenethylurea1172537-45-9C18H19N3O2
- N1-phenethylindoline-1,2-dicarboxamide1101205-96-2C18H19N3O2
- N-(Bicyclo[2.2.1]hept-5-en-2-ylmethyl)-3-methyl-4-oxo-3,4-dihydro-1-phthalazinecarboxamide1380576-73-7C18H19N3O2
- N-{4-[Benzyl(methyl)amino]but-2-yn-1-yl}-2-oxo-1,2-dihydropyridine-3-carboxamide1421463-11-7C18H19N3O2
- (S)-2-Amino-N-((S)-5-methyl-6-oxo-6,7-dihydro-5H-dibenzo[b,d]azepin-7-yl)propanamide253324-50-4C18H19N3O2
- Isonicotinamide, N-(3-(5-methoxy-3-indolyl)propyl)-72612-10-3C18H19N3O2
- N,1-Bis(4-methoxyphenyl)-5-methyl-1H-imidazol-2-amine57962-70-6C18H19N3O2
- 2-[2-Amino-5,6-dihydro-6-(4-methoxyphenyl)-4-pyrimidinyl]-4-methylphenol226904-30-9C18H19N3O2
- 5-[(4-tert-Butylphenoxy)methyl]-3-pyridin-4-yl-1,2,4-oxadiazole442651-14-1C18H19N3O2
- N-(7,7-Dimethyl-5-oxo-5,6,7,8-tetrahydroquinazolin-2-yl)-3-methylbenzamide774563-55-2C18H19N3O2
- N-(7,7-Dimethyl-5-oxo-5,6,7,8-tetrahydroquinazolin-2-yl)-4-methylbenzamide774563-50-7C18H19N3O2
- 1-(4-Methoxyphenyl)-2-phenyl-1,5,6,7-tetrahydropyrazolo[1,2-a][1,2,4]triazol-3-one329350-84-7C18H19N3O2
- 2,2-Dimethyl-N-[2-methyl-3-([1,3]oxazolo[4,5-b]pyridin-2-yl)phenyl]propanamide839693-51-5C18H19N3O2
- 3-Pyridinemethanol, 5-hydroxy-6-methyl-4-(2,3,4,9-tetrahydro-1H-pyrido(3,4-b)indol-1-yl)-98497-92-8C18H19N3O2
- N-[3-(1H-Benzimidazol-2-yl)propyl]-2-phenoxyacetamide877292-79-0C18H19N3O2
- N-[2-(Piperidine-1-carbonyl)phenyl]pyridine-4-carboxamide876522-61-1C18H19N3O2
- 4-Methoxy-N-(2-{8-methylimidazo[1,2-a]pyridin-2-yl}ethyl)benzamide868978-34-1C18H19N3O2
- 3-[2-(1-Ethyl-2,5-dimethylpyrrol-3-yl)-2-oxoethyl]quinazolin-4-one923730-43-2C18H19N3O2
- 2-(3-Cyano-4,6-dimethyl-2-oxopyridin-1(2H)-yl)-N-phenethylacetamide932475-09-7C18H19N3O2
- Imidazo(1,2-a)pyridine-3-acetic acid, 6-methyl-2-(5-methyl-2-pyridinyl)-, ethyl ester88571-09-9C18H19N3O2
- N-[4-([1,3]Oxazolo[4,5-b]pyridin-2-yl)benzyl]pentanamide895094-62-9C18H19N3O2
- N-(4,7,7-Trimethyl-5-oxo-5,6,7,8-tetrahydroquinazolin-2-yl)benzamide941238-65-9C18H19N3O2
- N2-ethyl-N1-phenylindoline-1,2-dicarboxamide1101647-97-5C18H19N3O2
- 2-(4-Diethylaminophenyl)-1H-benzimidazole-5-carboxylic acid352223-37-1C18H19N3O2
- 2-[2-(2-Hydroxyethyl)benzimidazolyl]-N-methyl-N-phenylacetamide941823-88-7C18H19N3O2
- 1-Benzyl-3-(1-ethyl-2-oxoindolin-5-yl)urea1172933-87-7C18H19N3O2
- 4-(3-Cyclopropyl-1,2,4-oxadiazol-5-yl)-1-(2,3-dihydro-1H-inden-5-yl)pyrrolidin-2-one1171871-20-7C18H19N3O2
- 2-Methoxy-N-[2-(propan-2-yl)-1H-benzimidazol-5-yl]benzamide1219556-83-8C18H19N3O2
- N-[2-(Methoxymethyl)-1H-benzimidazol-5-yl]-3-phenylpropanamide1232801-75-0C18H19N3O2
- N-Benzyl-3-methyl-6-(propan-2-yl)[1,2]oxazolo[5,4-b]pyridine-4-carboxamide1246064-88-9C18H19N3O2
- (4-Phenyltetrahydro-2H-pyran-4-yl)(5H-pyrrolo[3,4-d]pyrimidin-6(7H)-yl)methanone1448068-93-6C18H19N3O2
- 3-(3-((1R,5S)-8-Azabicyclo[3.2.1]oct-2-en-8-yl)-3-oxopropyl)quinazolin-4(3H)-one1797028-53-5C18H19N3O2
- 4-Butoxy-N-(pyrazolo[1,5-a]pyridin-5-yl)benzamide2034265-90-0C18H19N3O2
- 1-(4-(Azetidin-3-ylidenemethyl)phenyl)-3-(4-methoxyphenyl)urea1884190-85-5C18H19N3O2
- 3-Ethyl-N-(8-methyl-2-oxo-3,4-dihydro-1H-quinolin-6-yl)pyridine-4-carboxamide2855919-56-9C18H19N3O2
- 2-[[(3-Methoxyphenyl)methylamino]methyl]-6-methyl-3H-quinazolin-4-one1627957-70-3C18H19N3O2
- Indole-2-carbohydrazide, 5-benzyloxy-N,N-dimethyl-74038-96-3C18H19N3O2
- N-(2-(Dimethylamino)ethyl)-2-phenyl-4-benzoxazolecarboxamide131862-20-9C18H19N3O2
- Pyridoxylidenetryptamine98497-88-2C18H19N3O2
- Ethyl 3,7-dimethyl-2-(4-methylphenyl)pyrazolo[1,5-a]pyrimidine-6-carboxylate527747-72-4C18H19N3O2
- 2,2-Dimethyl-N-[2-methyl-4-([1,3]oxazolo[4,5-b]pyridin-2-yl)phenyl]propanamide708999-03-5C18H19N3O2
- 2-[(Dimethylamino)methylene]-N~1~,N~3~-diphenylmalonamide339009-33-5C18H19N3O2
- N-[[1-[2-(4-Methylphenoxy)ethyl]benzimidazol-2-yl]methyl]formamide890644-89-0C18H19N3O2
- 1H-Indole-3-acetic acid, 2-methyl-, 2-((2-hydroxyphenyl)methyl)hydrazide78123-15-6C18H19N3O2
- 1-(1H-Indol-3-yl)-3-(4-methoxyphenethyl)urea899946-86-2C18H19N3O2
- 1-(4-Methyl-3-(2-oxopyrrolidin-1-yl)phenyl)-3-phenylurea923104-18-1C18H19N3O2
- Ethyl hydrogen (5-phenyl-4,5-dihydro-1H-1,3-benzodiazepin-2-yl)carbonimidate94568-63-5C18H19N3O2
- 1-(3,4-Dihydro-2H-pyrrol-5-yl)-1-(2-methoxyphenyl)-3-phenylurea905761-72-0C18H19N3O2
- N2-methyl-N1-(p-tolyl)indoline-1,2-dicarboxamide1100793-20-1C18H19N3O2
- N1-benzyl-N2-methylindoline-1,2-dicarboxamide1103518-11-1C18H19N3O2
- 1-Ethyl-5-isopropyl-6-quinolin-3-yl-1H-pyrimidine-2,4-dione1097628-84-6C18H19N3O2
- 3,6-Dimethyl-N-[4-(propan-2-yl)phenyl][1,2]oxazolo[5,4-b]pyridine-4-carboxamide1011371-98-4C18H19N3O2
- 1-(2-Oxoindolin-5-yl)-3-(3-phenylpropyl)urea1171968-09-4C18H19N3O2
- 1-(1-Ethyl-2-oxoindolin-5-yl)-3-(m-tolyl)urea1171080-98-0C18H19N3O2
- N-{5-[(Anilinocarbonyl)amino]-2-methylphenyl}cyclopropanecarboxamide1158458-49-1C18H19N3O2
- Ethyl 5,7-dimethyl-3-(4-methylphenyl)pyrazolo[1,5-a]pyrimidine-2-carboxylate1170539-91-9C18H19N3O2
- N-{3-[(Anilinocarbonyl)amino]-2-methylphenyl}cyclopropanecarboxamide1158509-45-5C18H19N3O2
Frequently asked questions
What is the molar mass of C18H19N3O2?
The molar mass of C18H19N3O2 is 309.37 g/mol, calculated from standard atomic weights for 18 carbon atoms, 19 hydrogen atoms, 3 nitrogen atoms and 2 oxygen atoms. The monoisotopic mass is 309.1477 Da.
How many compounds have the formula C18H19N3O2?
CompoundList lists 419 compounds with the molecular formula C18H19N3O2, including 1H-1,2,4-Triazole, 3-(3,5-dimethoxyphenyl)-5-(2-ethylphenyl)-, (5Z)-5-{[1-(3,4-Dimethylphenyl)-2,5-dimethyl-1H-pyrrol-3-yl]methylidene}imidazolidine-2,4-dione, N-[2-(1H-Benzimidazol-2-yl)ethyl]-2-ethoxybenzamide. 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 C18H19N3O2?
C18H19N3O2 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.