Molecular formula
C19H18N4O3
268 compounds have this formula on CompoundList.
- Molar mass
- 350.38g/mol
- Monoisotopic mass
- 350.1379Da
- Atoms
- 44
- Elements
- 4
- Rings plus double bonds
- 13
The formula C19H18N4O3 describes a molecule made of 19 carbon atoms, 18 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 × 1965.13%12.011 × 19 = 228.209 g/mol
- H Hydrogen × 185.18%1.008 × 18 = 18.144 g/mol
- N Nitrogen × 415.99%14.007 × 4 = 56.028 g/mol
- O Oxygen × 313.70%15.999 × 3 = 47.997 g/mol
Look up another formula
Compounds with the formula C19H18N4O3
Isomers we list, best known first. Open one to see its structure, properties, safety data and suppliers.
Showing 1 to 100 of 268 compounds
N4-(1,3-Benzodioxol-5-ylmethyl)-6-(3-methoxyphenyl)-2,4-pyrimidinediamine
CAS 853220-52-7C19H18N4O3
![4-[3-Nitro-4-(piperidin-1-yl)phenyl]-1,2-dihydrophthalazin-1-one chemical structure, C19H18N4O3, CAS 218144-45-7](/s/ZZVUHPJVOJWXPW-UHFFFAOYSA-N.svg)
4-[3-Nitro-4-(piperidin-1-yl)phenyl]-1,2-dihydrophthalazin-1-one
CAS 218144-45-7C19H18N4O3
2-(4-Nitrophenyl)-N-(oxolan-2-ylmethyl)quinazolin-4-amine
CAS 384802-51-1C19H18N4O3
![N-[(E)-[(E)-3-(2-Methoxyphenyl)prop-2-enylidene]amino]-5-(5-methylfuran-2-yl)-1H-pyrazole-3-carboxamide chemical structure, C19H18N4O3, CAS 1285519-64-3](/s/KMUUYHSRMWYYGP-YVUBOPQPSA-N.svg)
N-[(E)-[(E)-3-(2-Methoxyphenyl)prop-2-enylidene]amino]-5-(5-methylfuran-2-yl)-1H-pyrazole-3-carboxamide
CAS 1285519-64-3C19H18N4O3
4-((4-Aminophenyl)(4-iminocyclohexa-2,5-dien-1-ylidene)methyl)aniline mononitrate
CAS 61467-64-9C19H18N4O3
![2-[2-Oxo-2-(4-pyridin-2-yl-piperazin-1-yl)-ethyl]-isoindole-1,3-dione chemical structure, C19H18N4O3, CAS 304875-83-0](/s/LLQYXMPWQPLMID-UHFFFAOYSA-N.svg)
2-[2-Oxo-2-(4-pyridin-2-yl-piperazin-1-yl)-ethyl]-isoindole-1,3-dione
CAS 304875-83-0C19H18N4O3
![N1-(2-oxo-2,4,5,6-tetrahydro-1H-pyrrolo[3,2,1-ij]quinolin-8-yl)-N2-(pyridin-3-ylmethyl)oxalamide chemical structure, C19H18N4O3, CAS 898411-27-3](/s/GAFRCEBPIHLLBM-UHFFFAOYSA-N.svg)
N1-(2-oxo-2,4,5,6-tetrahydro-1H-pyrrolo[3,2,1-ij]quinolin-8-yl)-N2-(pyridin-3-ylmethyl)oxalamide
CAS 898411-27-3C19H18N4O3
4-Methyl-2-(2-nitro-5-pyrrolidin-1-ylphenyl)phthalazin-1-one
CAS 296798-72-6C19H18N4O3
![N-(2,4-Dimethylphenyl)-4-[(4-nitropyrazol-1-yl)methyl]benzamide chemical structure, C19H18N4O3, CAS 514854-97-8](/s/QUYLKOQLPZBESX-UHFFFAOYSA-N.svg)
N-(2,4-Dimethylphenyl)-4-[(4-nitropyrazol-1-yl)methyl]benzamide
CAS 514854-97-8C19H18N4O3
(E)-N'-(3-Methoxybenzylidene)-3-(4-methoxyphenyl)-1H-pyrazole-5-carbohydrazide
CAS 305355-77-5C19H18N4O3
![4-({3-[3-(3-Methylphenyl)-1,2,4-oxadiazol-5-yl]propanoyl}amino)benzamide chemical structure, C19H18N4O3, CAS 878981-42-1](/s/OVEKJSVZSISZAG-UHFFFAOYSA-N.svg)
4-({3-[3-(3-Methylphenyl)-1,2,4-oxadiazol-5-yl]propanoyl}amino)benzamide
CAS 878981-42-1C19H18N4O3
![N-(2-Methyl-4-oxoquinazolin-3-yl)-2-[(E)-1-phenylethylideneamino]oxyacetamide chemical structure, C19H18N4O3, CAS 380650-92-0](/s/SWPZFMIKMQJORV-LPYMAVHISA-N.svg)
N-(2-Methyl-4-oxoquinazolin-3-yl)-2-[(E)-1-phenylethylideneamino]oxyacetamide
CAS 380650-92-0C19H18N4O3
methanone chemical structure, C19H18N4O3, CAS 256458-57-8](/s/CDLOBFOKJXFMNF-UHFFFAOYSA-N.svg)
[4-(1H-Indol-4-yl)piperazino](4-nitrophenyl)methanone
CAS 256458-57-8C19H18N4O3
3-(3-Ethoxyphenyl)-N'-(4-hydroxybenzylidene)-1H-pyrazole-5-carbohydrazide
CAS 303094-73-7C19H18N4O3
![3-{(E)-[(Acetyloxy)imino]methyl}-2-(benzylamino)-9-methyl-4H-pyrido[1,2-a]pyrimidin-4-one chemical structure, C19H18N4O3, CAS 303025-11-8](/s/HCRNFOPVZLUDIZ-CIAFOILYSA-N.svg)
3-{(E)-[(Acetyloxy)imino]methyl}-2-(benzylamino)-9-methyl-4H-pyrido[1,2-a]pyrimidin-4-one
CAS 303025-11-8C19H18N4O3
Jak3-IN-6
CAS 1443235-95-7C19H18N4O3
4-N-(4-Methoxyphenyl)-5-N-(2-methylphenyl)-1H-imidazole-4,5-dicarboxamide
CAS 6757-27-3C19H18N4O3
![(E)-9-Methyl-4-oxo-2-(p-tolylamino)-4H-pyrido[1,2-a]pyrimidine-3-carbaldehyde O-acetyl oxime chemical structure, C19H18N4O3, CAS 302935-04-2](/s/POLDOWDPAFOMNZ-RGVLZGJSSA-N.svg)
(E)-9-Methyl-4-oxo-2-(p-tolylamino)-4H-pyrido[1,2-a]pyrimidine-3-carbaldehyde O-acetyl oxime
CAS 302935-04-2C19H18N4O3
N'-(4-Hydroxybenzylidene)-3-(4-methoxyphenyl)-4-ME-1H-pyrazole-5-carbohydrazide
CAS 303094-77-1C19H18N4O3
![4-[[(3-Ethoxy-4-hydroxyphenyl)methylene]amino]-3-methyl-6-phenyl-1,2,4-triazin-5(4H)-one chemical structure, C19H18N4O3, CAS 328020-76-4](/s/JBWHAVALEPVDDF-UHFFFAOYSA-N.svg)
4-[[(3-Ethoxy-4-hydroxyphenyl)methylene]amino]-3-methyl-6-phenyl-1,2,4-triazin-5(4H)-one
CAS 328020-76-4C19H18N4O3
![(5Z)-3-(3,4-Dimethylphenyl)-6-hydroxy-5-[(2-phenylhydrazinyl)methylidene]pyrimidine-2,4(3H,5H)-dione chemical structure, C19H18N4O3, CAS 573933-02-5](/s/UKKGVPHKKBOLKP-RGVLZGJSSA-N.svg)
(5Z)-3-(3,4-Dimethylphenyl)-6-hydroxy-5-[(2-phenylhydrazinyl)methylidene]pyrimidine-2,4(3H,5H)-dione
CAS 573933-02-5C19H18N4O3
![N1-(2-oxo-2,4,5,6-tetrahydro-1H-pyrrolo[3,2,1-ij]quinolin-8-yl)-N2-(pyridin-2-ylmethyl)oxalamide chemical structure, C19H18N4O3, CAS 898454-73-4](/s/SNCCTANRURRUIJ-UHFFFAOYSA-N.svg)
N1-(2-oxo-2,4,5,6-tetrahydro-1H-pyrrolo[3,2,1-ij]quinolin-8-yl)-N2-(pyridin-2-ylmethyl)oxalamide
CAS 898454-73-4C19H18N4O3
![1-(4-Ethoxyphenyl)-4-[3-(pyridin-2-yl)-1,2,4-oxadiazol-5-yl]pyrrolidin-2-one chemical structure, C19H18N4O3, CAS 941961-25-7](/s/VCGKJWULSNAMGW-UHFFFAOYSA-N.svg)
1-(4-Ethoxyphenyl)-4-[3-(pyridin-2-yl)-1,2,4-oxadiazol-5-yl]pyrrolidin-2-one
CAS 941961-25-7C19H18N4O3
N-(3-Acetylphenyl)-1-(4-methoxyphenyl)-5-methyl-1H-1,2,3-triazole-4-carboxamide
CAS 878734-42-0C19H18N4O3
- 3-(5-Ethyl-1,3,4-oxadiazol-2-yl)-N-(2-furanylmethyl)-1H-indol-1-ylacetamide1170928-77-4C19H18N4O3
- 2-(3,4-Dimethoxyphenethyl)-7-(2-furyl)[1,2,4]triazolo[1,5-a]pyrimidine1435905-86-4C19H18N4O3
- Methyl 4-((6-(4-methylbenzyl)-5-oxo-4,5-dihydro-1,2,4-triazin-3-yl)amino)benzoate898650-96-9C19H18N4O3
- Ethyl 6-oxo-1-phenyl-4-((pyridin-2-ylmethyl)amino)-1,6-dihydropyridazine-3-carboxylate923139-92-8C19H18N4O3
- N-{11-Oxo-1-azatricyclo[6.3.1.0^{4,12}]dodeca-4(12),5,7-trien-6-yl}-N'-[(pyridin-3-yl)methyl]ethanediamide898462-17-4C19H18N4O3
- Ethyl 4-[4-(5-methyl-1H-1,2,3-triazol-1-yl)benzamido]benzoate915934-71-3C19H18N4O3
- 4-(4-Hydroxyphenyl)-1-methyl-6-[(pyridin-3-yl)methyl]-1H,2H,3H,4H,5H,6H,7H-pyrrolo[3,4-d]pyrimidine-2,5-dione1203380-45-3C19H18N4O3
- 3-(3-(Furan-2-yl)-1H-pyrazole-5-carbonyl)-3,4,5,6-tetrahydro-1H-1,5-methanopyrido[1,2-a][1,5]diazocin-8(2H)-one1238343-27-5C19H18N4O3
- N-(2,3-Dihydro-1H-inden-1-yl)-2-[5-(3-methyl-1,2,4-oxadiazol-5-yl)-2-oxo-1,2-dihydropyridin-1-yl]acetamide1396857-27-4C19H18N4O3
- Propyl 2-amino-1-(furan-2-ylmethyl)-1H-pyrrolo[2,3-b]quinoxaline-3-carboxylate848279-15-2C19H18N4O3
- Methyl 2-(5-methyl-1-(p-tolyl)-1H-1,2,3-triazole-4-carboxamido)benzoate923250-39-9C19H18N4O3
- (4-(1H-Benzo[d]imidazol-2-yl)piperidin-1-yl)(3-nitrophenyl)methanone605628-03-3C19H18N4O3
- N-(1H-Indazol-6-yl)-1-(4-methoxyphenyl)-5-oxopyrrolidine-3-carboxamide1219902-25-6C19H18N4O3
- N-[1-(4-Methoxyphenyl)-2-oxopyrrolidin-3-yl]-1H-1,3-benzodiazole-5-carboxamide1775296-53-1C19H18N4O3
- 5-(4-Ethylphenyl)-1-(3-methoxyphenyl)-1H,3aH,4H,5H,6H,6aH-pyrrolo[3,4-d][1,2,3]triazole-4,6-dione1173025-01-8C19H18N4O3
- 2-Hydroxy-N'-[(E)-(5-hydroxy-3-methyl-1-phenyl-1H-pyrazol-4-yl)methylidene]-2-phenylacetohydrazide392730-44-8C19H18N4O3
- 5-Amino-4-(1H-1,3-benzodiazol-2-yl)-1-(3,4-dimethoxyphenyl)-2,3-dihydro-1H-pyrrol-3-one881045-56-3C19H18N4O3
- N-(6-Amino-1-benzyl-2,4-dioxo-1,2,3,4-tetrahydropyrimidin-5-yl)-N-methylbenzamide1026890-84-5C19H18N4O3
- 2-[4-(4-Methoxyphenyl)-6-oxo-1,6-dihydropyrimidin-1-yl]-N-[(pyridin-3-yl)methyl]acetamide1060179-48-7C19H18N4O3
- 2-[4-(4-Methoxyphenyl)-6-oxo-1,6-dihydropyrimidin-1-yl]-N-(3-methylpyridin-2-yl)acetamide1058437-22-1C19H18N4O3
- 2-[4-(4-Ethoxyphenyl)-6-oxo-1,6-dihydropyrimidin-1-yl]-N-(pyridin-2-yl)acetamide1058396-83-0C19H18N4O3
- 3-Methoxy-N-(2-(6-oxo-3-(pyridin-4-yl)pyridazin-1(6H)-yl)ethyl)benzamide1021062-74-7C19H18N4O3
- Benzoic acid, 4-[2-(4,5-dihydro-3-methyl-5-oxo-1-phenyl-1H-pyrazol-4-yl)diazenyl]-, ethyl ester16926-70-8C19H18N4O3
- 2-(2-(5-Ethyl-1,3,4-oxadiazol-2-yl)-1H-indol-1-yl)-N-(furan-2-ylmethyl)acetamide942006-02-2C19H18N4O3
- 2-[4-(4-Methoxyphenyl)-6-oxo-1,6-dihydropyrimidin-1-yl]-N-[(pyridin-2-yl)methyl]acetamide1058198-03-0C19H18N4O3
- 2-[4-(4-Methoxyphenyl)-6-oxo-1,6-dihydropyrimidin-1-yl]-N-(6-methylpyridin-2-yl)acetamide1058373-54-8C19H18N4O3
- 2-[4-(4-Methoxyphenyl)-6-oxo-1,6-dihydropyrimidin-1-yl]-N-[(pyridin-4-yl)methyl]acetamide1060181-00-1C19H18N4O3
- 2-[4-(4-Ethoxyphenyl)-6-oxo-1,6-dihydropyrimidin-1-yl]-N-(pyridin-3-yl)acetamide1058461-67-8C19H18N4O3
- 2-[4-(4-Ethoxyphenyl)-6-oxo-1,6-dihydropyrimidin-1-yl]-N-(pyridin-4-yl)acetamide1058207-75-2C19H18N4O3
- N-(2-(6-Oxo-3-(pyridin-3-yl)pyridazin-1(6H)-yl)ethyl)-2-phenoxyacetamide1021062-55-4C19H18N4O3
- 6-((6,7-Bis(methyloxy)-4-quinolinyl)oxy)-1-methyl-1H-indazol-3-amine862178-75-4C19H18N4O3
- 1,1'-Carbonylbis(3-phenylimidazolidin-2-one)62898-93-5C19H18N4O3
- Benzoic acid, 2-[2-[1-(2-ethylphenyl)-4,5-dihydro-3-methyl-5-oxo-1H-pyrazol-4-yl]diazenyl]-68227-57-6C19H18N4O3
- 1 suppliers6-Nitro-3-((1E)-2-(2-pyridinyl)ethenyl)-1-(tetrahydro-2H-pyran-2-yl)-1H-indazole886230-75-7C19H18N4O3
- (E)-Methyl 4-((2-(3-(1H-benzo[d]imidazol-1-yl)propanoyl)hydrazono)methyl)benzoate374630-34-9C19H18N4O3
- 2-({Bis[(pyridin-2-yl)methyl]amino}methyl)-4-nitrophenol84567-86-2C19H18N4O3
- N-(4-Ethoxyphenyl)-4-oxo-1,2,3,4-tetrahydropyrimido[1,2-a]benzimidazole-2-carboxamide956747-32-3C19H18N4O3
- Ethyl 3-[(5-hydroxy-3-methyl-1-phenylpyrazol-4-yl)diazenyl]benzoate899713-48-5C19H18N4O3
- (E)-N'-(4-Methoxybenzylidene)-3-(4-methoxyphenyl)-1H-pyrazole-5-carbohydrazide305355-38-8C19H18N4O3
- N-(2-Ethoxyphenyl)-4-oxo-1,2,3,4-tetrahydropyrimido[1,2-a]benzimidazole-2-carboxamide956987-30-7C19H18N4O3
- (E)-N'-(2-Methoxybenzylidene)-3-(4-methoxyphenyl)-1H-pyrazole-5-carbohydrazide1285633-65-9C19H18N4O3
- Methyl 3-({[5-methyl-1-(4-methylphenyl)-1H-1,2,3-triazol-4-yl]carbonyl}amino)benzoate924833-80-7C19H18N4O3
- 4-(2-(6-Methyl-4-phenylquinazolin-2-yl)hydrazinyl)-4-oxobutanoic acid352435-08-6C19H18N4O3
- Acetamide, 2-amino-N-(4-(8-methyl-9H-1,3-dioxolo(4,5-h)(2,3)benzodiazepin-5-yl)phenyl)-143691-84-3C19H18N4O3
- (4E)-5-Methyl-2-(4-nitrophenyl)-4-{[(2-phenylethyl)amino]methylidene}-2,4-dihydro-3H-pyrazol-3-one371936-02-6C19H18N4O3
- N-(3-Acetylphenyl)-1-(2-methoxyphenyl)-5-methyl-1H-1,2,3-triazole-4-carboxamide871323-18-1C19H18N4O3
- Ethyl 3-[(5-methyl-1-phenyl-1,2,3-triazol-4-yl)carbonylamino]benzoate924841-02-1C19H18N4O3
- 5-(4-Methoxyphenyl)-1-(4-methylbenzyl)-3a,6a-dihydropyrrolo[3,4-d][1,2,3]triazole-4,6(1H,5H)-dione1008227-26-6C19H18N4O3
- Methyl 1-(2-cyanoethyl)-6-(4-methoxyphenyl)-3-methyl-1H-pyrazolo[3,4-b]pyridine-4-carboxylate1018051-61-0C19H18N4O3
- Kv3 modulator 31498186-01-8C19H18N4O3
- 4-(4-Cyano-2-methoxyphenyl)-2,8-dimethyl-5-oxo-1,4,5,6-tetrahydro-1,6-naphthyridine-3-carboxamide2087452-81-9C19H18N4O3
- 3-(4-Ethoxyphenyl)-N'-[(E)-(4-hydroxyphenyl)methylidene]-1H-pyrazole-5-carbohydrazide1285533-09-6C19H18N4O3
- (4E)-5-Methyl-4-[1-(4-methylanilino)ethylidene]-2-(4-nitrophenyl)pyrazol-3-one404895-99-4C19H18N4O3
- N-(3-Acetylphenyl)-4-(4-oxo-1,2,3-benzotriazin-3-yl)butanamide880811-77-8C19H18N4O3
- N-(4-Acetylphenyl)-4-(4-oxo-1,2,3-benzotriazin-3-yl)butanamide880811-71-2C19H18N4O3
- N-(4-Acetamidophenyl)-3-(4-oxoquinazolin-3-yl)propanamide900894-32-8C19H18N4O3
- 3-Cinnamyl-1,6,7-trimethyloxazolo[2,3-f]purine-2,4(1H,3H)-dione899997-46-7C19H18N4O3
- (E)-N'-(3-Methoxybenzylidene)-3-(2-methoxyphenyl)-1H-pyrazole-5-carbohydrazide1285559-95-6C19H18N4O3
- N-(3-Acetamidophenyl)-2-(3-methyl-4-oxo-3,4-dihydrophthalazin-1-yl)acetamide930441-53-5C19H18N4O3
- (Z)-2-Imino-8-methoxy-N'-(2-methylbenzoyl)-2H-chromene-3-carbohydrazonamide941233-06-3C19H18N4O3
- N-(1H-1,3-Benzodiazol-2-yl)-1-(3-methoxyphenyl)-5-oxopyrrolidine-3-carboxamide1010928-72-9C19H18N4O3
- 1-[3-(3-Phenyl-1,2,4-oxadiazol-5-yl)pyridin-2-yl]piperidine-4-carboxylic acid1223888-31-0C19H18N4O3
- 4-(4-Morpholinoquinazolin-2-ylamino)benzoic acid1059735-37-3C19H18N4O3
- N-(5-Cyclopropyl-3-methyl-1,2-oxazol-4-yl)-6-methyl-4-oxo-1-phenyl-1,4-dihydropyridazine-3-carboxamide1808501-62-3C19H18N4O3
- Methyl {(4Z)-5-oxo-1-phenyl-4-[1-(pyridin-3-ylamino)ethylidene]-4,5-dihydro-1H-pyrazol-3-yl}acetate884409-41-0C19H18N4O3
- 2Cmt5WV6NI475976-08-0C19H18N4O3
- N-(4-Acetamidophenyl)-3-(3-phenyl-1,2,4-oxadiazol-5-yl)propanamide835898-58-3C19H18N4O3
- 4-[3-[3-(2-Methylphenyl)-1,2,4-oxadiazol-5-yl]propanoylamino]benzamide836665-36-2C19H18N4O3
- 2-Methyl-4-(3-nitro-4-pyrrolidin-1-ylphenyl)phthalazin-1-one577963-12-3C19H18N4O3
- N-(4-Acetylphenyl)-1-(2-methoxyphenyl)-5-methyl-1H-1,2,3-triazole-4-carboxamide871323-32-9C19H18N4O3
- 1-(3,5-Dimethylphenyl)-5-(3-methoxyphenyl)-1,6a-dihydropyrrolo[3,4-d][1,2,3]triazole-4,6(3aH,5H)-dione1172505-46-2C19H18N4O3
- 5-(3,5-Dimethylphenyl)-1-(3-methoxyphenyl)-1H,3aH,4H,5H,6H,6aH-pyrrolo[3,4-d][1,2,3]triazole-4,6-dione1172717-47-3C19H18N4O3
- 3-(2-(6-Methoxy-3,4-dihydroisoquinolin-2(1H)-yl)-2-oxoethyl)benzo[d][1,2,3]triazin-4(3H)-one1235150-80-7C19H18N4O3
- 2-(3-(4-Methoxyphenyl)-6-oxopyridazin-1(6H)-yl)-N-(pyridin-2-ylmethyl)acetamide1232807-71-4C19H18N4O3
- 2-(3-(4-Methoxyphenyl)-6-oxopyridazin-1(6H)-yl)-N-(6-methylpyridin-2-yl)acetamide1232778-47-0C19H18N4O3
- N-(1H-Benzimidazol-2-yl)-4,7-dimethoxy-1-methyl-1H-indole-2-carboxamide1351700-61-2C19H18N4O3
Frequently asked questions
What is the molar mass of C19H18N4O3?
The molar mass of C19H18N4O3 is 350.38 g/mol, calculated from standard atomic weights for 19 carbon atoms, 18 hydrogen atoms, 4 nitrogen atoms and 3 oxygen atoms. The monoisotopic mass is 350.1379 Da.
How many compounds have the formula C19H18N4O3?
CompoundList lists 268 compounds with the molecular formula C19H18N4O3, including N4-(1,3-Benzodioxol-5-ylmethyl)-6-(3-methoxyphenyl)-2,4-pyrimidinediamine, 4-[3-Nitro-4-(piperidin-1-yl)phenyl]-1,2-dihydrophthalazin-1-one, 2-(4-Nitrophenyl)-N-(oxolan-2-ylmethyl)quinazolin-4-amine. 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 C19H18N4O3?
C19H18N4O3 has a degree of unsaturation of 13. 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.