Molecular formula
C18H15N3O2
210 compounds have this formula on CompoundList.
- Molar mass
- 305.34g/mol
- Monoisotopic mass
- 305.1164Da
- Atoms
- 38
- Elements
- 4
- Rings plus double bonds
- 13
The formula C18H15N3O2 describes a molecule made of 18 carbon atoms, 15 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 × 1870.81%12.011 × 18 = 216.198 g/mol
- H Hydrogen × 154.95%1.008 × 15 = 15.120 g/mol
- N Nitrogen × 313.76%14.007 × 3 = 42.021 g/mol
- O Oxygen × 210.48%15.999 × 2 = 31.998 g/mol
Look up another formula
Compounds with the formula C18H15N3O2
Isomers we list, best known first. Open one to see its structure, properties, safety data and suppliers.
Showing 101 to 200 of 210 compounds
N-(3-Methylphenyl)-4-oxo-1-phenyl-1,4-dihydropyridazine-3-carboxamide
CAS 898514-82-4C18H15N3O2
![2-[2-(2,3-Dihydroindol-1-yl)-2-oxoethyl]phthalazin-1-one chemical structure, C18H15N3O2, CAS 949299-49-4](/s/XDKKQWCVSUVYKZ-UHFFFAOYSA-N.svg)
2-[2-(2,3-Dihydroindol-1-yl)-2-oxoethyl]phthalazin-1-one
CAS 949299-49-4C18H15N3O2
1-(4-Methylphenyl)-4-oxo-N-phenyl-1,4-dihydropyridazine-3-carboxamide
CAS 898471-97-1C18H15N3O2
![1-Benzoyl-3,4-dihydro-1H-pyrimido[2,1-b]quinazolin-6(2H)-one chemical structure, C18H15N3O2, CAS 915910-58-6](/s/XGONERIQRAWMSF-UHFFFAOYSA-N.svg)
1-Benzoyl-3,4-dihydro-1H-pyrimido[2,1-b]quinazolin-6(2H)-one
CAS 915910-58-6C18H15N3O2
2-(4-Formyl-3-phenyl-1H-pyrazol-1-yl)-N-phenylacetamide
CAS 887407-93-4C18H15N3O2
![7-(3-Hydroxyphenyl)-3-phenyl-6,7-dihydro-3H-imidazo[4,5-b]pyridin-5-ol chemical structure, C18H15N3O2, CAS 1170908-18-5](/s/PXFJDWSFSDIFJV-UHFFFAOYSA-N.svg)
7-(3-Hydroxyphenyl)-3-phenyl-6,7-dihydro-3H-imidazo[4,5-b]pyridin-5-ol
CAS 1170908-18-5C18H15N3O2
![N-[3-(1H-Pyrazol-5-yl)phenyl]-2,3-dihydro-1-benzofuran-2-carboxamide chemical structure, C18H15N3O2, CAS 1257651-23-2](/s/ITRFEMLBDRWMSY-UHFFFAOYSA-N.svg)
N-[3-(1H-Pyrazol-5-yl)phenyl]-2,3-dihydro-1-benzofuran-2-carboxamide
CAS 1257651-23-2C18H15N3O2
![4-[(4-Methylphenyl)methyl-prop-2-ynylamino]-3-nitrobenzonitrile chemical structure, C18H15N3O2, CAS 1241618-22-3](/s/BNDDOHVNZCLNMM-UHFFFAOYSA-N.svg)
4-[(4-Methylphenyl)methyl-prop-2-ynylamino]-3-nitrobenzonitrile
CAS 1241618-22-3C18H15N3O2
N-Cyclopropyl-2-(4-oxoquinazolin-3(4H)-yl)benzamide
CAS 1219550-70-5C18H15N3O2
2-Cyclopropyl-1-oxo-N-(pyridin-2-yl)-1,2-dihydroisoquinoline-4-carboxamide
CAS 1324096-70-9C18H15N3O2
2,6-Bis(4-methylpyridin-2-yl)pyridine-4-carboxylic acid
CAS 1189440-85-4C18H15N3O2
![(E)-N-([2,4'-Bipyridin]-3-ylmethyl)-3-(furan-2-yl)acrylamide chemical structure, C18H15N3O2, CAS 2035006-89-2](/s/FOYYFMUHOWFTCB-AATRIKPKSA-N.svg)
(E)-N-([2,4'-Bipyridin]-3-ylmethyl)-3-(furan-2-yl)acrylamide
CAS 2035006-89-2C18H15N3O2
4-(3-Acrylamidophenyl)-1H-indole-7-carboxamide
CAS 1643565-90-5C18H15N3O2
![(E)-N-([2,4'-Bipyridin]-4-ylmethyl)-3-(furan-2-yl)acrylamide chemical structure, C18H15N3O2, CAS 2035022-71-8](/s/BYCUENPWDYJHSA-ONEGZZNKSA-N.svg)
(E)-N-([2,4'-Bipyridin]-4-ylmethyl)-3-(furan-2-yl)acrylamide
CAS 2035022-71-8C18H15N3O2
3-(alpha-Iminobenzyl)-4-hydroxy-6-(2-pyridyl)-1-methyl-2(1H)-pyridone
CAS 65881-74-5C18H15N3O2
![3-Acetyl-4-phenyl-4,5-dihydro-2H-pyridazino[4,5-b]indol-1-one chemical structure, C18H15N3O2, CAS 74840-76-9](/s/SWXHSAOLZSUBKT-UHFFFAOYSA-N.svg)
3-Acetyl-4-phenyl-4,5-dihydro-2H-pyridazino[4,5-b]indol-1-one
CAS 74840-76-9C18H15N3O2
Methyl 2-(4-methylphenyl)-4-(3-pyridinyl)-5-pyrimidinecarboxylate
CAS 400077-57-8C18H15N3O2
2-Cyano-5-(2-methoxyphenyl)-N-(pyridin-2-yl)penta-2,4-dienamide
CAS 782465-71-8C18H15N3O2
2-Propenamide, N-(2-methyl-4-oxo-3(4H)-quinazolinyl)-3-phenyl-
CAS 98832-93-0C18H15N3O2
![1H-Pyrazolo[3,4-b]quinoline, 4-(4-methoxyphenoxy)-3-methyl- chemical structure, C18H15N3O2, CAS 100743-02-0](/s/XIAIGUTXAIETOO-UHFFFAOYSA-N.svg)
1H-Pyrazolo[3,4-b]quinoline, 4-(4-methoxyphenoxy)-3-methyl-
CAS 100743-02-0C18H15N3O2
1,4-Benzenediamine, N-(4-nitrophenyl)-N'-phenyl-
CAS 36629-08-0C18H15N3O2
![9-Oxo-N-phenyl-1,2,3,9-tetrahydropyrrolo[2,1-b]quinazoline-6-carboxamide chemical structure, C18H15N3O2, CAS 879313-86-7](/s/PIOHKDSLWCVCMY-UHFFFAOYSA-N.svg)
9-Oxo-N-phenyl-1,2,3,9-tetrahydropyrrolo[2,1-b]quinazoline-6-carboxamide
CAS 879313-86-7C18H15N3O2
(6,7-Dimethoxyquinazoline-4-yl)-(4-ethynylphenyl)amine
CAS 183319-34-8C18H15N3O2
![[3,4'-Bipyridin]-5-amine, N-(1,3-benzodioxol-5-ylmethyl)- chemical structure, C18H15N3O2, CAS 821784-19-4](/s/PCRJMGWIPGRJLO-UHFFFAOYSA-N.svg)
[3,4'-Bipyridin]-5-amine, N-(1,3-benzodioxol-5-ylmethyl)-
CAS 821784-19-4C18H15N3O2
- [5-(1-Benzyl-1H-pyrazolo[3,4-b]pyridin-3-yl)furan-2-yl]methanol208047-82-9C18H15N3O2
- N-(4-Carbamoylphenyl)-3-(1H-pyrrol-1-yl)benzamide1062017-75-7C18H15N3O2
- N-(1,3-Benzodioxol-5-ylmethyl)-6-phenylpyridazin-3-amine1018131-99-1C18H15N3O2
- N-Cyclopropyl-4-(4-oxoquinazolin-3(4H)-yl)benzamide1190274-73-7C18H15N3O2
- 2-(6-Oxo-3-phenylpyridazin-1(6H)-yl)-N-phenylacetamide922944-67-0C18H15N3O2
- N-[Cyano(2-methoxyphenyl)methyl]-1H-indole-6-carboxamide1355597-48-6C18H15N3O2
- 4-(1-Isopropyl-6-nitro-1H-indol-3-yl)-benzonitrile945556-93-4C18H15N3O2
- N-(1H-Indol-5-yl)-2-(3-oxo-2,3-dihydro-1H-isoindol-1-yl)acetamide1401542-76-4C18H15N3O2
- N-(1H-Indol-4-yl)-2-(3-oxo-2,3-dihydro-1H-isoindol-1-yl)acetamide1374536-14-7C18H15N3O2
- N-(1H-Indol-6-yl)-2-(3-oxo-2,3-dihydro-1H-isoindol-1-yl)acetamide1374540-69-8C18H15N3O2
- Methyl 6-(5-methylpyridin-3-yl)-3-phenylpyrazine-2-carboxylate1256921-68-2C18H15N3O2
- N-(Pyridin-2-ylmethyl)-3-(pyridin-2-yloxy)benzamide1797182-96-7C18H15N3O2
- (E)-N-([2,3'-Bipyridin]-5-ylmethyl)-3-(furan-2-yl)acrylamide2035017-79-7C18H15N3O2
- Isoquinolin-1-yl(3-(pyridin-3-yloxy)azetidin-1-yl)methanone1903114-54-4C18H15N3O2
- (4-Methoxyphenyl)-[(2-phenyl-1,3-oxazol-4-yl)methyl]cyanamide1935808-90-4C18H15N3O2
- N'-(2-Hydroxybenzylidene)-2-methyl-3-quinolinecarbohydrazide491585-65-0C18H15N3O2
- 2-(4-Benzyl-2,5-dioxo-4-phenylimidazolidin-1-yl)acetonitrile869472-95-7C18H15N3O2
- N-(4-Methylphenyl)-4-oxo-1-phenyl-1,4-dihydropyridazine-3-carboxamide879567-50-7C18H15N3O2
- 6-Amidino-2-naphthyl 4-aminobenzoate82955-97-3C18H15N3O2
- (5-{1-[(Pyridin-4-yl)methyl]-1H-indazol-3-yl}furan-2-yl)methanol205578-29-6C18H15N3O2
- 4-(2H-1,3-Benzodioxol-5-yl)-6-(4-methylphenyl)pyrimidin-2-amine84857-19-2C18H15N3O2
- 6-Phenylmethoxy-N-pyridin-2-ylpyridine-3-carboxamide1276012-95-3C18H15N3O2
- 7-(Furan-2-yl)-2-(methoxymethyl)-3-phenylpyrazolo[1,5-a]pyrimidine1360276-19-2C18H15N3O2
- 3-(5-Methylpyridin-2-yl)-5-(2-methylpyrimidin-5-yl)benzoic acid1150263-18-5C18H15N3O2
- 4-(2H-1,3-Benzodioxol-5-yl)-6-(2-methylphenyl)pyrimidin-2-amine1354929-01-3C18H15N3O2
- 4-(2H-1,3-Benzodioxol-5-yl)-6-(3-methylphenyl)pyrimidin-2-amine1354933-55-3C18H15N3O2
- 3-[3-(4-Methoxyphenyl)-1,2,4-oxadiazol-5-yl]-1-methyl-1H-indole1986519-09-8C18H15N3O2
- 2-(4-(1H-Pyrazol-1-yl)benzyl)-7-hydroxyisoindolin-1-one1610468-61-5C18H15N3O2
- 2-(3,4-Dihydro-2(1H)-isoquinolinyl)-4-oxo-4H-pyrido[1,2-a]pyrimidine-3-carboxaldehyde885952-15-8C18H15N3O2
- 4-Nitro-5-(2-phenylethenyl)-1-(phenylmethyl)-1H-imidazole72079-76-6C18H15N3O2
- 11-Oxo-5-(2-oxopropyl)-2,3,5,11-tetrahydro-1H-cyclopenta[4,5]pyrido[1,2-a]benzimidazole-4-carbonitrile496970-57-1C18H15N3O2
- 5-(Methoxymethyl)-1-(3-(3-isoxazolyl)phenyl)benzimidazole773858-77-8C18H15N3O2
- 1H-Imidazole-1-carboxamide, N-(2-oxo-1,2-diphenylethyl)-61416-41-9C18H15N3O2
- 8-(Dimethylamino)-2,3-dihydronaphtho[2,3-g]phthalazine-1,4-dione61415-47-2C18H15N3O2
- 7-(Dimethylamino)-2,3-dihydronaphtho[2,3-g]phthalazine-1,4-dione61415-50-7C18H15N3O2
- 2-(1H-Imidazole-2-carbonyl)-N-(4-methylphenyl)benzamide62367-01-5C18H15N3O2
- 2-Amino-3-(4-ethoxybenzoyl)indolizine-1-carbonitrile906162-36-5C18H15N3O2
- 2-(1,2-Benzoxazol-3-yl)-N-benzyl-N-(cyanomethyl)acetamide1252408-21-1C18H15N3O2
- 2-[3-(1H-Benzimidazol-1-yl)propyl]-1H-isoindole-1,3(2H)-dione340179-88-6C18H15N3O2
- 3-[5-(3-Hydroxyanilino)pyridin-3-yl]benzamide821784-70-7C18H15N3O2
- 3-Nitrilo-N-phenyl-N~2~-(3-phenylacryloyl)alaninamide94744-46-4C18H15N3O2
- 1-Benzyl-5-(2-nitro-2-phenylethenyl)-1H-imidazole192990-26-4C18H15N3O2
- 2-Benzoyl-N-(naphthalen-2-yl)hydrazine-1-carboxamide188247-07-6C18H15N3O2
- 4-[(1-Naphthalenylcarbonyl)amino]benzoic acid hydrazide876729-37-2C18H15N3O2
- 4-Methyl-3-nitro-N-[(1-phenyl-1H-pyrrol-2-yl)methylene]benzenamine886767-10-8C18H15N3O2
- 2-(3-Imidazo[1,2-a]pyridin-2-ylpropyl)-1H-isoindole-1,3(2H)-dione2279122-03-9C18H15N3O2
- 4-[1-Methyl-8-(methyloxy)-3H-pyrazolo[3,4-c]isoquinolin-5-yl]phenol838854-79-8C18H15N3O2
- Pyrimido(1,2-a)benzimidazol-2(1H)-one, 4-hydroxy-3-(2-phenylethyl)-88861-26-1C18H15N3O2
- 4-(1H-Indol-5-ylamino)-7-hydroxy-6-methoxy-quinoline1058157-24-6C18H15N3O2
- 8-Methoxy-3-(4-methoxyphenyl)-5H-pyrazolo[4,3-c]quinoline2415630-09-8C18H15N3O2
- N-(2-(3-(3-Ethynylphenyl)ureido)phenyl)acrylamide3037695-77-2C18H15N3O2
- N-(4-(3-(3-Ethynylphenyl)ureido)phenyl)acrylamide3037703-82-2C18H15N3O2
- N-(3-(3-(3-Ethynylphenyl)ureido)phenyl)acrylamide3037703-19-5C18H15N3O2
- Methyl 3-[(6-phenyl-3-pyridazinyl)amino]benzoate2344277-01-4C18H15N3O2
- 3-(4,5-Diphenyl-4H-1,2,4-triazol-3-yl)-2-butenoic acid23649-25-4C18H15N3O2
- 3-Amino-6-methoxy-5-(3-methoxy-1-naphthalenyl)-2-pyridinecarbonitrile2763158-07-0C18H15N3O2
- 3-(1H-Benzo[d]imidazol-1-yl)-1-p-tolylpyrrolidine-2,5-dione62908-90-1C18H15N3O2
- 4-Benzoyl-1-methyl-5-phenyl-1H-pyrazole-3-carboxamide851083-43-7C18H15N3O2
- 2-(1H-Imidazole-2-carbonyl)-N-(3-methylphenyl)benzamide62367-03-7C18H15N3O2
- 2-(1H-Imidazole-2-carbonyl)-N-(2-methylphenyl)benzamide62367-04-8C18H15N3O2
- Ethyl 4-{(E)-[(quinoxalin-2-yl)methylidene]amino}benzoate62294-77-3C18H15N3O2
- Ethyl 6-methyl-6H-indolo[2,3-B]quinoxaline-2-carboxylate65880-42-4C18H15N3O2
- N-(9-Oxo-1,2,3,9-tetrahydropyrrolo[2,1-b]quinazolin-7-yl)benzamide88840-17-9C18H15N3O2
- N'-[2-(1,3-Benzodioxol-5-yl)quinolin-6-yl]ethanimidamide1005416-54-5C18H15N3O2
- 2-[(2-Methylphenyl)(phenyl)amino]pyrimidine-5-carboxylic acid1245644-07-8C18H15N3O2
- 4-[4-[6-(2-Hydroxypropan-2-yl)-3-pyridinyl]-1,3-oxazol-2-yl]benzonitrile1207747-04-3C18H15N3O2
- (9H-Fluoren-9-yl)methyl (1H-pyrazol-3-yl)carbamate1342457-33-3C18H15N3O2
- (9H-Fluoren-9-yl)methyl (1H-imidazol-2-yl)carbamate1341980-80-0C18H15N3O2
- Methyl 2-azido-5,5-diphenylpenta-2,4-dienoate116340-87-5C18H15N3O2
- 2-Acetyl-1-phenyl-1,2,3,5-tetrahydro-4H-pyridazino[4,5-b]indol-4-one51916-96-2C18H15N3O2
- 3,7-Diphenyl-3,4-dihydropyridazino[6,1-c][1,2,4]oxadiazin-3-ol65610-23-3C18H15N3O2
- 4,4'-(1,3a-Dihydropyrazolo[1,5-a]pyrimidine-2,3-diyl)diphenol802919-12-6C18H15N3O2
- N2,n5-diphenyl-1H-pyrrole-2,5-dicarboxamide852200-64-7C18H15N3O2
- N-(3-(Hydroxymethyl)-5-(quinoxalin-2-yl)phenyl)acrylamide2098062-43-0C18H15N3O2
- N-(Dianilinomethylidene)furan-2-carboxamide88241-04-7C18H15N3O2
- 2-[2-(1H-Indol-3-yl)ethyl]-2,7-naphthyridine-1,3(2H,7H)-dione89651-73-0C18H15N3O2
Frequently asked questions
What is the molar mass of C18H15N3O2?
The molar mass of C18H15N3O2 is 305.34 g/mol, calculated from standard atomic weights for 18 carbon atoms, 15 hydrogen atoms, 3 nitrogen atoms and 2 oxygen atoms. The monoisotopic mass is 305.1164 Da.
How many compounds have the formula C18H15N3O2?
CompoundList lists 210 compounds with the molecular formula C18H15N3O2, including N-(3-Methylphenyl)-4-oxo-1-phenyl-1,4-dihydropyridazine-3-carboxamide, 2-[2-(2,3-Dihydroindol-1-yl)-2-oxoethyl]phthalazin-1-one, 1-(4-Methylphenyl)-4-oxo-N-phenyl-1,4-dihydropyridazine-3-carboxamide. 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 C18H15N3O2?
C18H15N3O2 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.