Molecular formula
C18H15N3O3
194 compounds have this formula on CompoundList.
- Molar mass
- 321.34g/mol
- Monoisotopic mass
- 321.1113Da
- Atoms
- 39
- Elements
- 4
- Rings plus double bonds
- 13
The formula C18H15N3O3 describes a molecule made of 18 carbon atoms, 15 hydrogen atoms, 3 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 × 1867.28%12.011 × 18 = 216.198 g/mol
- H Hydrogen × 154.71%1.008 × 15 = 15.120 g/mol
- N Nitrogen × 313.08%14.007 × 3 = 42.021 g/mol
- O Oxygen × 314.94%15.999 × 3 = 47.997 g/mol
Look up another formula
Compounds with the formula C18H15N3O3
Isomers we list, best known first. Open one to see its structure, properties, safety data and suppliers.
Showing 1 to 100 of 194 compounds
![5,9-Diaminobenzo[a]phenoxazin-7-ium acetate chemical structure, C18H15N3O3, CAS 10510-54-0](/s/UEWSHLFAYRXNHZ-UHFFFAOYSA-N.svg)
5,9-Diaminobenzo[a]phenoxazin-7-ium acetate
CAS 10510-54-0C18H15N3O3
Cresyl violet acetate
C18H15N3O3
PZ-II-029
CAS 164025-44-9C18H15N3O3
![N-[4-[(E)-2-[(5Z)-5-(6-Oxocyclohexa-2,4-dien-1-ylidene)-2H-1,2,4-oxadiazol-3-yl]ethenyl]phenyl]acetamide chemical structure, C18H15N3O3, CAS 831200-48-7](/s/KXDRZYJTTYXIEO-DHZHZOJOSA-N.svg)
N-[4-[(E)-2-[(5Z)-5-(6-Oxocyclohexa-2,4-dien-1-ylidene)-2H-1,2,4-oxadiazol-3-yl]ethenyl]phenyl]acetamide
CAS 831200-48-7C18H15N3O3
![N-[3-[Oxo-(3-pyridinylmethylamino)methyl]phenyl]-2-furancarboxamide chemical structure, C18H15N3O3, CAS 518021-96-0](/s/SWTACZUZGJOFPF-UHFFFAOYSA-N.svg)
N-[3-[Oxo-(3-pyridinylmethylamino)methyl]phenyl]-2-furancarboxamide
CAS 518021-96-0C18H15N3O3
5-(4-(Benzyloxy)phenyl)-3-(2-cyanoethyl)-1,3,4-oxadiazol-2(3H)-one
CAS 147807-20-3C18H15N3O3
N-(1,3-Dimethyl-2-oxo-5-benzimidazolyl)-2-benzofurancarboxamide
CAS 591726-02-2C18H15N3O3
N-(4-((Pyridin-3-ylmethyl)carbamoyl)phenyl)furan-2-carboxamide
CAS 461014-87-9C18H15N3O3
5-(4-Methoxyanilino)-2-(4-methoxyphenyl)-1,3-oxazole-4-carbonitrile
CAS 613651-34-6C18H15N3O3
![Methyl 2-(9-methoxyindolo[3,2-b]quinoxalin-6-yl)acetate chemical structure, C18H15N3O3, CAS 573930-75-3](/s/AFVFAVBGOGUZGG-UHFFFAOYSA-N.svg)
Methyl 2-(9-methoxyindolo[3,2-b]quinoxalin-6-yl)acetate
CAS 573930-75-3C18H15N3O3
![Methyl 2-{4-[4-(2-pyridinyl)-2-pyrimidinyl]phenoxy}acetate chemical structure, C18H15N3O3, CAS 477857-18-4](/s/VMHLBRGKUAWBAN-UHFFFAOYSA-N.svg)
Methyl 2-{4-[4-(2-pyridinyl)-2-pyrimidinyl]phenoxy}acetate
CAS 477857-18-4C18H15N3O3
Methyl 4-(2,7-diamino-3-cyano-4H-chromen-4-yl)benzoate
CAS 354554-78-2C18H15N3O3
N'-(1H-Indol-3-ylmethylene)-2,3-dihydro-1,4-benzodioxine-2-carbohydrazide
CAS 328085-01-4C18H15N3O3
![(2Z)-2-{[(4-Methylphenyl)formamido]imino}-2H-chromene-3-carboxamide chemical structure, C18H15N3O3, CAS 324526-20-7](/s/VUAXRVTZOKEZBY-UZYVYHOESA-N.svg)
(2Z)-2-{[(4-Methylphenyl)formamido]imino}-2H-chromene-3-carboxamide
CAS 324526-20-7C18H15N3O3
N-(2-Methoxyphenyl)-4-oxo-1-phenyl-1,4-dihydropyridazine-3-carboxamide
CAS 478063-28-4C18H15N3O3
![3-Ethyl-2-[(E)-2-(3-nitrophenyl)ethenyl]quinazolin-4-one chemical structure, C18H15N3O3, CAS 72005-25-5](/s/GVFCAFJCYDWFGG-ZHACJKMWSA-N.svg)
3-Ethyl-2-[(E)-2-(3-nitrophenyl)ethenyl]quinazolin-4-one
CAS 72005-25-5C18H15N3O3
![Methyl 2-{[2-(pyridin-4-yl)quinolin-4-yl]formamido}acetate chemical structure, C18H15N3O3, CAS 380335-64-8](/s/AJTKUPPKKAKJCY-UHFFFAOYSA-N.svg)
Methyl 2-{[2-(pyridin-4-yl)quinolin-4-yl]formamido}acetate
CAS 380335-64-8C18H15N3O3
![(E)-N'-((1H-Indol-3-yl)methylene)-2,3-dihydrobenzo[b][1,4]dioxine-6-carbohydrazide chemical structure, C18H15N3O3, CAS 385799-93-9](/s/LPTIKHKGGLEOCG-RGVLZGJSSA-N.svg)
(E)-N'-((1H-Indol-3-yl)methylene)-2,3-dihydrobenzo[b][1,4]dioxine-6-carbohydrazide
CAS 385799-93-9C18H15N3O3
![N-[4-[(4-Methylpyridin-2-yl)carbamoyl]phenyl]furan-2-carboxamide chemical structure, C18H15N3O3, CAS 824960-35-2](/s/LCNQPGZJMWIHME-UHFFFAOYSA-N.svg)
N-[4-[(4-Methylpyridin-2-yl)carbamoyl]phenyl]furan-2-carboxamide
CAS 824960-35-2C18H15N3O3
N'-(4-Methoxybenzoyl)quinoline-2-carbohydrazide
CAS 782469-25-4C18H15N3O3
![Methyl 4-{[(5-oxo-3-phenyl-1,5-dihydro-4H-pyrazol-4-yliden)methyl]amino}benzenecarboxylate chemical structure, C18H15N3O3, CAS 338975-66-9](/s/DHZCDDRKSWFKCZ-UHFFFAOYSA-N.svg)
Methyl 4-{[(5-oxo-3-phenyl-1,5-dihydro-4H-pyrazol-4-yliden)methyl]amino}benzenecarboxylate
CAS 338975-66-9C18H15N3O3
N-(4-Methoxyphenyl)-4-(2-pyrimidinyloxy)benzenecarboxamide
CAS 860789-51-1C18H15N3O3
![3-Ethyl-2-[(E)-2-(2-nitrophenyl)ethenyl]quinazolin-4-one chemical structure, C18H15N3O3, CAS 50830-14-3](/s/SZTYYEMNHISJHM-VAWYXSNFSA-N.svg)
3-Ethyl-2-[(E)-2-(2-nitrophenyl)ethenyl]quinazolin-4-one
CAS 50830-14-3C18H15N3O3
![[(Z)-[Amino(pyridin-2-yl)methylidene]amino] 2-naphthalen-2-yloxyacetate chemical structure, C18H15N3O3, CAS 6149-37-7](/s/OMZWTODOFKMVCE-UHFFFAOYSA-N.svg)
[(Z)-[Amino(pyridin-2-yl)methylidene]amino] 2-naphthalen-2-yloxyacetate
CAS 6149-37-7C18H15N3O3
- N-(4-(1H-Pyrazol-4-yl)phenyl)-2,3-dihydro-1,4-benzodioxine-2-carboxamide1072906-02-5C18H15N3O3
- MuRF1-IN-1445222-91-3C18H15N3O3
- 2-(1,3-Dihydro-benzoimidazol-2-ylidene)-3-(2,6-dimethoxy-phenyl)-3-oxo-propionitrile391868-03-4C18H15N3O3
- N-[(E)-1,3-Benzodioxol-5-ylmethylideneamino]-1-methylindole-3-carboxamide74840-81-6C18H15N3O3
- RefChem:381826142055-59-2C18H15N3O3
- 3 suppliersBenzo[a]phenoxazin-7-ium, 5,9-diamino-, acetateC18H15N3O3
- N-(2,6-Dioxo-1,2,3,6-tetrahydropyrimidin-4-yl)-2,2-diphenylacetamide868216-22-2C18H15N3O3
- N-(4-Acetamidophenyl)-4-hydroxyquinoline-3-carboxamide946360-07-2C18H15N3O3
- 4-((3-(m-Tolyl)-1,2,4-oxadiazol-5-yl)methyl)-2H-benzo[b][1,4]oxazin-3(4H)-one1105203-99-3C18H15N3O3
- 3-Ethyl-2-[(E)-2-(4-nitrophenyl)ethenyl]quinazolin-4-one334505-43-0C18H15N3O3
- 3-(Furan-2-ylmethyl)-2,10-dimethylpyrimido[4,5-b]quinoline-4,5(3H,10H)-dione883957-83-3C18H15N3O3
- N-(4-Acetamidophenyl)-2-oxo-1H-quinoline-4-carboxamide787558-35-4C18H15N3O3
- N-(4-Methoxyphenyl)-4-oxo-1-phenyl-1,4-dihydropyridazine-3-carboxamide898515-84-9C18H15N3O3
- Methyl 4-{[3-(1H-pyrazol-3-yl)phenyl]carbamoyl}benzoate1134782-83-4C18H15N3O3
- 2-(2,3-Dioxo-4-phenylpyrazin-1-yl)-N-phenylacetamide899213-26-4C18H15N3O3
- N-([1,1'-Biphenyl]-2-yl)-3-methyl-2,4-dioxo-1,2,3,4-tetrahydropyrimidine-5-carboxamide1351643-63-4C18H15N3O3
- 5-Methyl-3-((5-(p-tolyl)-1,3,4-oxadiazol-2-yl)methyl)benzo[d]oxazol-2(3H)-one902253-06-9C18H15N3O3
- 2-[(3-Methyl-2-oxo-1,4-dihydroquinazolin-7-yl)methyl]isoindole-1,3-dione540512-60-5C18H15N3O3
- 2-(3-Benzoyl-7-methyl-4-oxo-1,4-dihydro-1,8-naphthyridin-1-yl)acetamide932483-28-8C18H15N3O3
- N-(1H-Benzo[d]imidazol-2-yl)-2-((3-oxo-2,3-dihydro-1H-inden-5-yl)oxy)acetamide1203067-04-2C18H15N3O3
- N-(4-(1H-Benzo[d]imidazol-2-yl)phenyl)-5,6-dihydro-1,4-dioxine-2-carboxamide864938-66-9C18H15N3O3
- N-((3-Methyl-1,2,4-oxadiazol-5-yl)methyl)-9H-xanthene-9-carboxamide1207001-76-0C18H15N3O3
- 4-((3-(o-Tolyl)-1,2,4-oxadiazol-5-yl)methyl)-2H-benzo[b][1,4]oxazin-3(4H)-one1358889-68-5C18H15N3O3
- N-(2,4-Dimethoxyphenyl)benzofuro[3,2-d]pyrimidin-4-amine847379-79-7C18H15N3O3
- Ethyl 4-(quinoxaline-6-carboxamido)benzoate881439-11-8C18H15N3O3
- (E)-2-Cyano-3-(4-nitrophenyl)-N-[(1R)-1-phenylethyl]prop-2-enamide857064-42-7C18H15N3O3
- 1-Methyl-6-oxo-N-(4-phenoxyphenyl)-1,6-dihydropyridazine-3-carboxamide931657-16-8C18H15N3O3
- N-(1-Ethyl-2-oxo-1,2-dihydrobenzo[cd]indol-6-yl)-3-methylisoxazole-5-carboxamide946206-38-8C18H15N3O3
- 5-[(1H-1,3-Benzodiazol-1-yl)methyl]-N-[(furan-2-yl)methyl]furan-2-carboxamide1171852-70-2C18H15N3O3
- 4-(4-Hydroxy-phenylamino)-6,7-dimethoxy-quinoline-3-carbonitrile307353-99-7C18H15N3O3
- 3-({[4-(1H-Imidazol-1-yl)phenyl]formamido}methyl)benzoic acid1573887-38-3C18H15N3O3
- 4-(Benzylcarbamoyl)-2-phenyl-1H-imidazole-5-carboxylic acid1258599-90-4C18H15N3O3
- Phenyl (6-((2-methylpyridin-3-yl)oxy)pyridin-3-yl)carbamate200940-27-8C18H15N3O3
- 2-(3,4-Dimethoxyphenyl)pyrimido[1,2-a]benzimidazol-4(1H)-one903440-36-8C18H15N3O3
- N-(4-Acetylphenyl)-2-(4-oxo-3(4H)-quinazolinyl)acetamide420836-39-1C18H15N3O3
- N-(2-Carbamoylphenyl)-5-methyl-3-phenyl-1,2-oxazole-4-carboxamide442565-10-8C18H15N3O3
- 10-Methyl-4,10,11,13-tetrahydro-1H,3H-bis[1,3]oxazino[4,5-c:5',4'-h]acridin-3-one208656-30-8C18H15N3O3
- 4-(2H-1,3-Benzodioxol-5-yl)-6-(4-methoxyphenyl)pyrimidin-2-amine1354924-26-7C18H15N3O3
- 4-Hydroxy-2-oxo-1-(prop-2-en-1-yl)-N-(pyridin-2-yl)-1,2-dihydroquinoline-3-carboxamide303798-35-8C18H15N3O3
- 2-(3,5-Dimethyl-1H-pyrazol-4-yl)-6-methoxy-1H-benz(de)isoquinoline-1,3(2H)-dione85480-81-5C18H15N3O3
- (1E)-1-[(2-Methoxynaphthalen-1-yl)methylidene]-2-(4-nitrophenyl)hydrazine93870-02-1C18H15N3O3
- 4-(Allylamino)-3-nitro-1-phenylquinolin-2(1H)-one886157-06-8C18H15N3O3
- N-(2-(1H-Benzo[d]imidazol-2-yl)phenyl)-5,6-dihydro-1,4-dioxine-2-carboxamide864938-56-7C18H15N3O3
- N-(3-Acetylaminophenyl)-4-oxo-1H-quinoline-3-carboxamide873054-30-9C18H15N3O3
- N-[(E)-(2-Methoxynaphthalen-1-yl)methylideneamino]-2-nitroaniline303771-82-6C18H15N3O3
- (E)-3-(Benzo[d][1,3]dioxol-5-ylamino)-N-benzyl-2-cyanoacrylamide881560-20-9C18H15N3O3
- N-(4-Phenyl-1,2,5-oxadiazol-3-yl)-4-(prop-2-en-1-yloxy)benzamide866236-98-8C18H15N3O3
- Methyl 2-methyl-4-(picolinamido)quinoline-6-carboxylate953853-79-7C18H15N3O3
- Methyl 2-({[2-(2-pyridyl)-4-quinolyl]carbonyl}amino)acetate220833-79-4C18H15N3O3
- 2-[3-(Pyridin-2-yloxy)phenoxy]-N-(pyridin-3-yl)acetamide1241106-92-2C18H15N3O3
- N-(Benzo[d][1,3]dioxol-5-yl)-6-(4-methoxyphenyl)pyrimidin-4-amine1203291-99-9C18H15N3O3
- 2-[2-(1,3-Dioxo-1,3-dihydro-2H-isoindol-2-yl)ethoxy]-4,6-dimethylnicotinonitrile2270913-28-3C18H15N3O3
- N-(2-Quinoxaloyl)-L-phenylalanine5570-04-7C18H15N3O3
- 7-Hydroxy-1,3-dimethyl-6-naphthalen-1-yl-5H-pyrrolo[3,2-d]pyrimidine-2,4-dione380643-44-7C18H15N3O3
- (Z)-2-Cyano-3-(4-methyl-3-nitrophenyl)-N-(2-methylphenyl)prop-2-enamide340305-51-3C18H15N3O3
- N-[4-(2-Amino-3-cyano-7-hydroxy-4H-chromen-4-yl)phenyl]acetamide376620-24-5C18H15N3O3
- Methyl 4-[(4-pyrazol-1-ylbenzoyl)amino]benzoate956790-68-4C18H15N3O3
- N-(3-(1H-Benzo[d]imidazol-2-yl)phenyl)-5,6-dihydro-1,4-dioxine-2-carboxamide864938-67-0C18H15N3O3
- 3-(1H-Benzimidazol-1-yl)-1-(3-methoxyphenyl)pyrrolidine-2,5-dione5543-54-4C18H15N3O3
- 6-(Furan-2-yl)-2-(2-(indolin-1-yl)-2-oxoethyl)pyridazin-3(2H)-one899752-40-0C18H15N3O3
- (E)-3-(Furan-2-yl)-N-(3-((6-methylpyridazin-3-yl)oxy)phenyl)acrylamide1251711-10-0C18H15N3O3
- 7-Methoxy-N-(pyrazolo[1,5-a]pyridin-3-ylmethyl)benzofuran-2-carboxamide1396854-73-1C18H15N3O3
- Ethyl 4-(quinoxaline-2-carbonylamino)benzoate7150-20-1C18H15N3O3
- N-(2-Methoxy-4-{[(E)-pyridin-4-ylmethylidene]amino}phenyl)furan-2-carboxamide774190-69-1C18H15N3O3
- N-(5-(4-Methoxyphenyl)-1,3,4-oxadiazol-2-yl)cinnamamide131548-12-4C18H15N3O3
- 2-(2-Methylbenzyl)-6-(4-nitrophenyl)pyridazin-3(2H)-one899753-37-8C18H15N3O3
- {[3-(4-Methoxyphenyl)-2-methyl-4-oxo-3,4-dihydroquinazolin-6-yl]oxy}acetonitrile1010919-27-3C18H15N3O3
- N-{4-[(4-Oxoquinazolin-3(4H)-yl)acetyl]phenyl}acetamide1190248-87-3C18H15N3O3
- N-(5-(Phenoxymethyl)-1,3,4-oxadiazol-2-yl)cinnamamide1257556-14-1C18H15N3O3
- Fmoc-Gly-CHN2275816-73-4C18H15N3O3
- 2-(4-Ethoxyphenyl)imidazo(1,5,a)quinoxaline-1,3(2H,5H)dione142879-82-1C18H15N3O3
- N-[4-(Benzyloxy)phenyl]-6-hydroxypyrimidine-4-carboxamide2034226-66-7C18H15N3O3
- 3-Methyl-N-(2-methylquinolin-4-yl)-4-nitrobenzamide312741-90-5C18H15N3O3
- 1-Benzyl-6-hydroxy-2-oxo-N-phenyl-1,2-dihydro-4-pyrimidinecarboxamide338412-66-1C18H15N3O3
- N-(2-{[(2-Furylmethyl)amino]carbonyl}phenyl)nicotinamide875108-93-3C18H15N3O3
- N-[2-(Furan-2-ylmethylcarbamoyl)phenyl]pyridine-4-carboxamide876522-65-5C18H15N3O3
Frequently asked questions
What is the molar mass of C18H15N3O3?
The molar mass of C18H15N3O3 is 321.34 g/mol, calculated from standard atomic weights for 18 carbon atoms, 15 hydrogen atoms, 3 nitrogen atoms and 3 oxygen atoms. The monoisotopic mass is 321.1113 Da.
How many compounds have the formula C18H15N3O3?
CompoundList lists 194 compounds with the molecular formula C18H15N3O3, including 5,9-Diaminobenzo[a]phenoxazin-7-ium acetate, Cresyl violet acetate, PZ-II-029. 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 C18H15N3O3?
C18H15N3O3 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.