Molecular formula
C18H16N2O3
519 compounds have this formula on CompoundList.
- Molar mass
- 308.34g/mol
- Monoisotopic mass
- 308.1161Da
- Atoms
- 39
- Elements
- 4
- Rings plus double bonds
- 12
The formula C18H16N2O3 describes a molecule made of 18 carbon atoms, 16 hydrogen atoms, 2 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 × 1870.12%12.011 × 18 = 216.198 g/mol
- H Hydrogen × 165.23%1.008 × 16 = 16.128 g/mol
- N Nitrogen × 29.09%14.007 × 2 = 28.014 g/mol
- O Oxygen × 315.57%15.999 × 3 = 47.997 g/mol
Look up another formula
Compounds with the formula C18H16N2O3
Isomers we list, best known first. Open one to see its structure, properties, safety data and suppliers.
Showing 1 to 100 of 519 compounds
Roquinimex
CAS 84088-42-6C18H16N2O3
Amfonelic acid
CAS 15180-02-6C18H16N2O3
Tyrphostin Ag 835
CAS 133550-37-5C18H16N2O3
C.I. Solvent Red 80
CAS 6358-53-8C18H16N2O3
5-(4-Biphenylyl)-5-ethylbarbituric acid
CAS 94209-48-0C18H16N2O3
(3-(2,3-Dihydro-1,4-benzodioxin-6-yl)-1-phenyl-1H-pyrazol-4-yl)methanol
CAS 618383-31-6C18H16N2O3
Ethyl 2-(4-methylphenyl)-alpha-oxoimidazo(1,2-a)pyridine-3-acetate
CAS 851814-14-7C18H16N2O3
3-(1,3-Dioxo-1,3-dihydro-isoindol-2-yl)-N-o-tolyl-propionamide
CAS 303122-56-7C18H16N2O3
3-(1,3-Dioxo-2,3-dihydro-1H-isoindol-2-yl)-N-(3-methylphenyl)propanamide
CAS 303122-57-8C18H16N2O3
N-(2,4-Dimethyl-phenyl)-2-(1,3-dioxo-1,3-dihydro-isoindol-2-yl)-acetamide
CAS 90688-87-2C18H16N2O3
Tyrphostin B44
CAS 133550-32-0C18H16N2O3
Tyrphostin AG 698
CAS 133550-38-6C18H16N2O3
2-Benzamido-3-(1H-indol-3-yl)propanoic acid
CAS 55629-71-5C18H16N2O3
![2-[3-(4-Methoxyphenyl)-1-phenyl-1H-pyrazol-4-yl]acetic acid chemical structure, C18H16N2O3, CAS 70598-13-9](/s/IIVBHUZWOHMSMY-UHFFFAOYSA-N.svg)
2-[3-(4-Methoxyphenyl)-1-phenyl-1H-pyrazol-4-yl]acetic acid
CAS 70598-13-9C18H16N2O3
2-(2,3-Dioxo-1-indolyl)-N-(2-phenylethyl)acetamide
CAS 609797-32-2C18H16N2O3
Ethyl 2-(1-oxo-4-phenylphthalazin-2-yl)acetate
CAS 296876-23-8C18H16N2O3
N-(3,5-Dimethyl-phenyl)-2-(1,3-dioxo-1,3-dihydro-isoindol-2-yl)-acetamide
CAS 326903-24-6C18H16N2O3
N-Benzyl-2-(1,3-dioxo-1,3-dihydro-isoindol-2-yl)-N-methyl-acetamide
CAS 300820-86-4C18H16N2O3
![N-[4-(Propanoylamino)phenyl]-1-benzofuran-2-carboxamide chemical structure, C18H16N2O3, CAS 353465-07-3](/s/VFSYJUUTWVSCJC-UHFFFAOYSA-N.svg)
N-[4-(Propanoylamino)phenyl]-1-benzofuran-2-carboxamide
CAS 353465-07-3C18H16N2O3
N-(4-Ethoxyphenyl)-2-oxo-1H-quinoline-4-carboxamide
CAS 325822-34-2C18H16N2O3
![N-[3-(Propanoylamino)phenyl]-1-benzofuran-2-carboxamide chemical structure, C18H16N2O3, CAS 423147-97-1](/s/OZDRURGXEDBMQV-UHFFFAOYSA-N.svg)
N-[3-(Propanoylamino)phenyl]-1-benzofuran-2-carboxamide
CAS 423147-97-1C18H16N2O3
4-(1,3-Dioxoisoindol-2-yl)-N-phenylbutanamide
CAS 4886-93-5C18H16N2O3
5-(1-Methylethyl)-8-phenyl-1,3-dioxolo(4,5-g)quinazolin-6(5H)-one
CAS 33095-89-5C18H16N2O3
5,5-Dibenzyl-barbituric acid
CAS 26371-47-1C18H16N2O3
- Ethyl 4-(2-methyl-4-oxoquinazolin-3(4H)-yl)benzoate4005-02-1C18H16N2O3
- N-(2,3-Dimethylphenyl)-2-(1,3-dioxoisoindol-2-yl)acetamide349087-60-1C18H16N2O3
- 2-Imino-6-methoxy-N-(4-methylphenyl)chromene-3-carboxamide313954-62-0C18H16N2O3
- 1-(1H-Indol-3-ylcarbonyl)-N-(4-methoxybenzyl)formamide61-39-2C18H16N2O3
- (2Z)-1-Acetyl-2-[(4-methoxyanilino)methylidene]indol-3-one133593-46-1C18H16N2O3
- 1-(2-Hydroxy-4-methoxyphenyl)-2-(1-phenyl-1H-pyrazol-4-yl)ethanone61034-00-2C18H16N2O3
- N-(1,2-Dihydroacenaphthylen-5-yl)-2-(2,5-dioxopyrrolidin-1-yl)acetamide392324-96-8C18H16N2O3
- 2-(4-Methoxyphenoxy)-N-quinolin-5-ylacetamide797782-18-4C18H16N2O3
- N-[(Furan-2-yl)methyl]-N'-(2-methylnaphthalen-1-yl)ethanediamide2072109-00-1C18H16N2O3
- (3-(2-Hydroxy-5-methoxyphenyl)-1H-pyrazol-4-yl)(m-tolyl)methanone380880-66-0C18H16N2O3
- N-Benzyl-3-(1,3-dioxoisoindolin-2-yl)propanamide4905-27-5C18H16N2O3
- 3-[(6-Methoxy-2-methylquinolin-4-yl)amino]benzoic acid327049-63-8C18H16N2O3
- 3-(4-Methylphenyl)-4-oxido-1-prop-2-enoxyquinoxalin-4-ium-2-one500107-34-6C18H16N2O3
- 7-Methoxy-2-(4-methylphenyl)iminochromene-3-carboxamide312703-17-6C18H16N2O3
- 3-[3-(2,3-Dihydro-1H-indol-1-yl)-3-oxopropyl]-1,3-benzoxazol-2(3H)-one851989-06-5C18H16N2O3
- 2-(1,3-Dioxo-1,3-dihydro-isoindol-2-yl)-N-p-tolyl-propionamide140244-40-2C18H16N2O3
- N-(Furan-2-ylmethyl)-4-[(2-methylphenyl)carbonyl]-1H-pyrrole-2-carboxamide478249-26-2C18H16N2O3
- RefChem:35723455427-33-3C18H16N2O3
- N-Benzyl-2-imino-6-methoxychromene-3-carboxamide313502-41-9C18H16N2O3
- 3-(1,3-Dioxo-1,3-dihydro-isoindol-2-yl)-N-p-tolyl-propionamide57500-75-1C18H16N2O3
- 2-(1,3-Dioxo-1,3-dihydro-isoindol-2-yl)-N-o-tolyl-propionamide313666-72-7C18H16N2O3
- 4-Methoxy-N-(6-methoxyquinolin-8-yl)benzamide330215-39-9C18H16N2O3
- N-Benzyl-2-ethyl-1,3-dioxoisoindole-5-carboxamide380636-60-2C18H16N2O3
- 2-Methoxy-N-[3-(4-methylphenyl)-1,2-oxazol-5-yl]benzamide866246-22-2C18H16N2O3
- 2-Methyl-N-[4-(4-oxo-3,1-benzoxazin-2-yl)phenyl]propanamide774183-29-8C18H16N2O3
- 2-(1,3-Dioxo-1,3-dihydro-2H-isoindol-2-yl)-N-(1-phenylethyl)acetamide109725-04-4C18H16N2O3
- N-Benzyl-4-hydroxy-1-methyl-2-oxo-1,2-dihydroquinoline-3-carboxamide130058-34-3C18H16N2O3
- 5-Benzyloxybenzyluracil28495-80-9C18H16N2O3
- 3-(3-Methoxyphenyl)-1-(4-methylphenyl)-1H-pyrazole-4-carboxylic acid956386-76-8C18H16N2O3
- Methyl 2-[4-(4-methylphenyl)-1-oxophthalazin-2-yl]acetate333742-09-9C18H16N2O3
- 3,5-Dimethoxy-N-(8-quinolinyl)benzamide337498-74-5C18H16N2O3
- [2-(2,5-Dimethylphenyl)-2-oxoethyl] 1H-indazole-3-carboxylate852710-75-9C18H16N2O3
- N-(1,3-Dioxo-1,3-dihydro-2H-isoindol-2-yl)-2-phenylbutanamide832122-53-9C18H16N2O3
- (4E)-4-[(2-Hydroxyethylamino)methylidene]-2-phenylisoquinoline-1,3-dione1164522-21-7C18H16N2O3
- N-(2-Methyl-1,3-dioxoisoindol-4-yl)-3-phenylpropanamide683232-38-4C18H16N2O3
- 1-Benzyl-3-(3-methoxyphenyl)-1H-pyrazole-4-carboxylic acid956505-11-6C18H16N2O3
- 3-Hydroxy-3-[2-oxo-2-(pyridin-2-yl)ethyl]-1-(prop-2-en-1-yl)-1,3-dihydro-2H-indol-2-one439091-26-6C18H16N2O3
- [4-[(4-Methylphenyl)diazenyl]-7-oxocyclohepta-1,3,5-trien-1-yl] 2-methylprop-2-enoate535-03-5C18H16N2O3
- 7-Methyl-2-oxo-5-phenyl-2,3-dihydro-1H-1,4-benzodiazepin-3-yl acetate40918-47-6C18H16N2O3
- (3-(2-Hydroxy-5-methylphenyl)-1H-pyrazol-4-yl)(4-methoxyphenyl)methanone381682-27-5C18H16N2O3
- N-(2,5-Dimethylphenyl)-2-(1,3-dioxo-1,3-dihydro-2H-isoindol-2-yl)acetamide90688-88-3C18H16N2O3
- N-[4-(1,3-Benzoxazol-2-yl)phenyl]oxolane-2-carboxamide500262-69-1C18H16N2O3
- 5-Methoxy-2-[5-(4-methoxyphenyl)pyrimidin-4-yl]phenol849919-15-9C18H16N2O3
- N-(2-Hydroxyethyl)-2-oxo-2-(2-phenylindolizin-3-yl)acetamide519049-71-9C18H16N2O3
- (4-Methylphenyl)methyl 3-methyl-4-oxophthalazine-1-carboxylate742111-69-9C18H16N2O3
- N-Benzyl-2-(1,3-dioxoisoindol-2-yl)propanamide5729-01-1C18H16N2O3
- 3-(3-Phenylpropanamido)benzofuran-2-carboxamide477294-89-6C18H16N2O3
- 3,4-Dimethoxy-N-quinolin-2-ylbenzamide909378-33-2C18H16N2O3
- (E)-6-Methoxy-3-(1-(2-phenylhydrazono)ethyl)-2H-chromen-2-one1273551-97-5C18H16N2O3
- 2,4-Dimethyl-N-(4-phenoxyphenyl)-1,3-oxazole-5-carboxamide862829-24-1C18H16N2O3
- 1-Benzyl-3-(2-methoxyphenyl)-1H-pyrazole-4-carboxylic acid956354-20-4C18H16N2O3
- 2-(3-Formyl-1H-indol-1-yl)-N-(3-methoxyphenyl)acetamide496959-22-9C18H16N2O3
- (E)-1-(3,4-Dihydro-1H-isoquinolin-2-yl)-3-(2-nitrophenyl)prop-2-en-1-one600123-31-7C18H16N2O3
- 2-(5-Methoxy-1-oxoisoquinolin-2-yl)-N-phenylacetamide868223-29-4C18H16N2O3
- 4-(3-Nitrophenyl)-1,3,4,6,7,8-hexahydro-2H-cyclopenta[g]quinolin-2-one725686-87-3C18H16N2O3
- 3-(2,5-Dimethylbenzamido)benzofuran-2-carboxamide888411-69-6C18H16N2O3
- 1 suppliersN-Benzoyl-L-tryptophan4302-66-3C18H16N2O3
- (4Z)-1-(4-Ethylphenyl)-4-[(E)-3-(furan-2-yl)prop-2-enylidene]pyrazolidine-3,5-dione1164522-84-2C18H16N2O3
- 2-(1H-Indol-3-yl)-2-oxo-N-(2-phenoxyethyl)acetamide682759-25-7C18H16N2O3
- 3-[2-(4-Ethoxyphenyl)-2-oxoethyl]quinazolin-4-one850461-07-3C18H16N2O3
- 4-[(2E)-2-[(2-Methyl-2H-chromen-3-yl)methylidene]hydrazinyl]benzoic acid850737-99-4C18H16N2O3
- N-(6-Methylpyridin-2-yl)-5-(phenoxymethyl)furan-2-carboxamide1007788-79-5C18H16N2O3
- N-(2-Hydroxy-5-methylphenyl)-5-(4-methylphenyl)-1,2-oxazole-3-carboxamide717830-25-6C18H16N2O3
- N-Cyclopropyl-2-[3-(furan-2-carbonyl)indol-1-yl]acetamide831207-71-7C18H16N2O3
- 2,4-Dimethyl-N-(2-methyl-1,3-dioxoisoindol-5-yl)benzamide674306-86-6C18H16N2O3
- (5-Phenyl-1,2-oxazol-3-yl)methyl N-(4-methylphenyl)carbamate343374-59-4C18H16N2O3
- 3-(2-Oxopropyl)-5,5-diphenylimidazolidine-2,4-dione101731-71-9C18H16N2O3
- (E)-N-Benzyl-2-cyano-3-(3-hydroxy-4-methoxyphenyl)prop-2-enamide359594-87-9C18H16N2O3
- N-[2-(1H-Indol-3-yl)ethyl]-2H-1,3-benzodioxole-5-carboxamide862794-67-0C18H16N2O3
- 3-[(Acetyloxy)imino]-1-(4-methylbenzyl)-1,3-dihydro-2H-indol-2-one303149-42-0C18H16N2O3
- 2-(2-Propan-2-ylbenzimidazole-1-carbonyl)benzoic acid537010-76-7C18H16N2O3
- Benzyl hydrogen (6-methoxyquinolin-8-yl)carbonimidate7402-10-0C18H16N2O3
- 2-(1,3-Dioxo-1,3-dihydro-2H-isoindol-2-yl)-N-(4-ethylphenyl)acetamide34023-99-9C18H16N2O3
- 2-Oxo-3-(4-(1-oxo-2-isoindolinyl)phenyl)butanamide67358-82-1C18H16N2O3
- PHCCC(4Me)1259532-01-8C18H16N2O3
- 7,8-Dihydroxy-N-phenethylisoquinoline-3-carboxamide146743-94-4C18H16N2O3
Frequently asked questions
What is the molar mass of C18H16N2O3?
The molar mass of C18H16N2O3 is 308.34 g/mol, calculated from standard atomic weights for 18 carbon atoms, 16 hydrogen atoms, 2 nitrogen atoms and 3 oxygen atoms. The monoisotopic mass is 308.1161 Da.
How many compounds have the formula C18H16N2O3?
CompoundList lists 519 compounds with the molecular formula C18H16N2O3, including Roquinimex, Amfonelic acid, Tyrphostin Ag 835. 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 C18H16N2O3?
C18H16N2O3 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.