Molecular formula
C18H16N2O
249 compounds have this formula on CompoundList.
- Molar mass
- 276.34g/mol
- Monoisotopic mass
- 282.1639Da
- Atoms
- 37
- Elements
- 4
- Rings plus double bonds
- 12
The formula C18H16N2O describes a molecule made of 18 carbon atoms, 16 hydrogen atoms, 2 nitrogen atoms and 1 oxygen atom. 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 × 1878.24%12.011 × 18 = 216.198 g/mol
- H Hydrogen × 165.84%1.008 × 16 = 16.128 g/mol
- N Nitrogen × 210.14%14.007 × 2 = 28.014 g/mol
- O Oxygen × 15.79%15.999 × 1 = 15.999 g/mol
Look up another formula
Compounds with the formula C18H16N2O
Isomers we list, best known first. Open one to see its structure, properties, safety data and suppliers.
Showing 1 to 100 of 249 compounds
Sudan II
CAS 3118-97-6C18H16N2O
9-Methoxy-5,11-dimethyl-6H-pyrido(4,3-B)carbazole
CAS 10371-86-5C18H16N2O
1-Benzyl-3-(1-naphthyl)urea
CAS 13256-79-6C18H16N2O
2-(4-Methoxyphenyl)-2,3-dihydro-1H-perimidine
CAS 19564-09-1C18H16N2O
1-Benzyl-3-(4-methylphenyl)-1H-pyrazole-4-carbaldehyde
CAS 956783-07-6C18H16N2O
2-(2-Methoxyphenyl)-2,3-dihydro-1H-perimidine
CAS 307330-38-7C18H16N2O
1-(Naphthalen-1-yl)-3-(m-tolyl)urea
CAS 13256-81-0C18H16N2O
1-(1-Naphthyl)-3-(P-tolyl)urea
CAS 13256-82-1C18H16N2O
Dibenzocyclooctyne-amine
CAS 1255942-06-3C18H16N2O
2-(2-(2-Furyl)-1-methylvinyl)-2,3-dihydro-1H-perimidine
CAS 315230-90-1C18H16N2O
(2E,6E)-2,6-Bis(pyridin-4-ylmethylene)cyclohexanone
CAS 18977-41-8C18H16N2O
![3-Ethyl-2-[(E)-2-phenylethenyl]quinazolin-4-one chemical structure, C18H16N2O, CAS 1195615-34-9](/s/CEGAREJKMWDAQN-OUKQBFOZSA-N.svg)
3-Ethyl-2-[(E)-2-phenylethenyl]quinazolin-4-one
CAS 1195615-34-9C18H16N2O
Indophenol blue
CAS 132-31-0C18H16N2O
2,6-Dimethyl-1,5-diphenyl-4(1H)-pyrimidinone
CAS 159180-93-5C18H16N2O
![4-Phenyl-3,4,5,6-tetrahydro-1H-benzo[h]quinazolin-2-one chemical structure, C18H16N2O, CAS 3977-31-9](/s/KJJLLGKZUIVHTE-UHFFFAOYSA-N.svg)
4-Phenyl-3,4,5,6-tetrahydro-1H-benzo[h]quinazolin-2-one
CAS 3977-31-9C18H16N2O
3,4-Dimethyl-N-(8-quinolinyl)benzamide
CAS 712291-97-9C18H16N2O
2-Methyl-N-(2-methylphenyl)quinoline-4-carboxamide
CAS 332177-67-0C18H16N2O
(E)-2-Benzoyl-3-(4-dimethylaminophenyl)prop-2-enenitrile
CAS 101220-35-3C18H16N2O
2-(3-Methoxyphenyl)-2,3-dihydro-1H-perimidine
CAS 98740-52-4C18H16N2O
4-(4-tert-Butyl-phenoxy)-phthalonitrile
CAS 125023-51-0C18H16N2O
![6-(4-Aminophenoxy)-[1,1'-biphenyl]-3-amine chemical structure, C18H16N2O, CAS 1215223-23-6](/s/MXVHUTKGCQIBCD-UHFFFAOYSA-N.svg)
6-(4-Aminophenoxy)-[1,1'-biphenyl]-3-amine
CAS 1215223-23-6C18H16N2O
N-Benzyl-N-(2-quinolinylmethyl)formamide
CAS 849798-00-1C18H16N2O
5-Methyl-4-(4-methylbenzylidene)-2-phenyl-2,4-dihydro-3H-pyrazol-3-one
CAS 53316-56-6C18H16N2O
3-(4-Ethylphenyl)-1-phenyl-1H-pyrazole-4-carbaldehyde
CAS 371917-96-3C18H16N2O
- 3-(3,4-Dimethylphenyl)-1-phenyl-1H-pyrazole-4-carbaldehyde956777-84-7C18H16N2O
- N'-(Naphthalen-2-yl)-2-phenylacetohydrazide412944-50-4C18H16N2O
- (E)-1-(2-Methylimidazo[1,2-a]pyridin-3-yl)-3-(4-methylphenyl)-2-propen-1-one1164470-43-2C18H16N2O
- N-(2-Methylphenyl)-N'-1-naphthalenylurea13256-80-9C18H16N2O
- N-Benzyl-2-methyl-3-quinolinecarboxamide147329-88-2C18H16N2O
- N-[(2-Methylphenyl)methyl]quinoline-2-carboxamide879307-42-3C18H16N2O
- 1-Benzyl-3-(3-methylphenyl)-1H-pyrazole-4-carbaldehyde956753-10-9C18H16N2O
- 1-Methyl-3-(1-naphthyl)-1-phenylurea53693-73-5C18H16N2O
- 1H-1,3-Benzimidazole, 2-[(2-methylphenoxy)methyl]-1-(2-propynyl)-876883-12-4C18H16N2O
- 2-[2-(2-Aminophenyl)vinyl]-5-methylquinolin-8-ol361158-05-6C18H16N2O
- 1-Phenyl-3-(quinolin-8-ylamino)propan-1-one62365-94-0C18H16N2O
- 1-Ethoxy-4-(phenylazo)naphthalene94208-85-2C18H16N2O
- Sudan 2 D6 (naphthyl D6)1014689-15-6C18H16N2O
- 2-Methyl-9-phenyl-3,4-dihydropyrido[3,4-b]indol-1-one74300-17-7C18H16N2O
- Riok2-IN-11088216-72-1C18H16N2O
- Benzenamine,n-ethyl-4-(1H-inden-1-ylidenemethyl)-N-nitroso-16699-37-9C18H16N2O
- 1-[2-(2,5-Dimethylphenyl)diazenyl]-2-naphthalenol85-82-5C18H16N2O
- Cyclohexanone, 2,6-bis(4-pyridinylmethylene)-, (2E,6E)-871361-88-5C18H16N2O
- 2,6-Bis(pyridin-3-ylmethylidene)cyclohexan-1-one817162-74-6C18H16N2O
- N-Cyclopropyl-3-(1H-indol-1-yl)benzamide1226434-21-4C18H16N2O
- 1-{4-[(8-Methylquinolin-4-yl)amino]phenyl}ethan-1-one942880-00-4C18H16N2O
- 1,4-Dihydro-4-oxo-2,5,11-trimethyl-6H-pyrido(3,2-b)carbazole111249-53-7C18H16N2O
- (4-Amino-2-methyl-5-phenyl-1H-pyrrol-3-yl)-phenylmethanone56464-40-5C18H16N2O
- 9-Methoxy-1,5-dimethyl-6H-pyrido[4,3-b]carbazole16101-08-9C18H16N2O
- 6H-Pyrido(4,3-b)carbazole, 8-methoxy-5,11-dimethyl-5263-05-8C18H16N2O
- 1-((3,4-Dimethylphenyl)diazenyl)-2-naphthol39781-21-0C18H16N2O
- 5,5-Dimethyl-5,6-dihydrobenzo[a]phenazin-6-ol61329-38-2C18H16N2O
- Phenol, 4-((4-(phenylamino)phenyl)amino)-101-74-6C18H16N2O
- 4-(2-Isopropyl-5-methylphenoxy)phthalonitrile354796-71-7C18H16N2O
- 10-Phenyl-3,4,9,10-tetrahydrobenzo[b]cyclopenta[e][1,4]diazepin-1(2H)-one1374509-72-4C18H16N2O
- 2-Cyclobutyl-1-phenylquinazolin-4(1H)-one71567-80-1C18H16N2O
- N,N-Dimethyl-2-phenylquinoline-4-carboxamide92566-70-6C18H16N2O
- Pyrazolo(5,1-a)isoquinoline, 5,6-dihydro-2-(3-methoxyphenyl)-61001-30-7C18H16N2O
- 2-[(4-Methylphenoxy)methyl]-1-(prop-2-yn-1-yl)-1H-1,3-benzodiazole876883-04-4C18H16N2O
- 4(3H)-Pyrimidinone, 2-methyl-3-(2-methylphenyl)-6-phenyl-87356-71-6C18H16N2O
- 3-(2,5-Dimethylphenyl)-1-phenyl-1H-pyrazole-4-carbaldehyde431073-03-9C18H16N2O
- 2-[[3-(Hydroxymethyl)-2-methylindol-1-yl]methyl]benzonitrile677732-50-2C18H16N2O
- 2-Cyano-N-(2,4-dimethylphenyl)-3-phenylacrylamide16552-05-9C18H16N2O
- 2-Naphthol, 1-(2-(dimethylphenyl)diazenyl)-27969-93-3C18H16N2O
- 3,5-Dimethyl-4-[2-(1-naphthalenyl)diazenyl]phenol1778-72-9C18H16N2O
- Pyrazolo(5,1-a)isoquinoline-1-methanol, 5,6-dihydro-2-phenyl-61001-40-9C18H16N2O
- (E)-1-(5,6-Dimethylbenzimidazol-1-yl)-3-phenylprop-2-en-1-one1609007-30-8C18H16N2O
- 5,6-Dihydro-2-(4-methoxyphenyl)imidazo(2,1-a)isoquinoline61001-18-1C18H16N2O
- 2-Amino-5-[3-(benzyloxy)phenyl]pyridine889951-20-6C18H16N2O
- 2-Phenyl-2,2-di-pyridin-4-yl-ethanol865075-96-3C18H16N2O
- 2-{4-[(2-Oxopyrrolidin-1-yl)methyl]phenyl}benzonitrile941083-76-7C18H16N2O
- 4-(2-(Azetidin-1-ylmethyl)benzoyl)benzonitrile898754-50-2C18H16N2O
- (3aS,8aR)-2-(6-Cyclopropylpyridin-2-yl)-3a,8a-dihydro-8H-indeno[1,2-d]oxazole2417767-35-0C18H16N2O
- 1-(2,3-Xylylazo)-2-naphthol31969-03-6C18H16N2O
- 2-Hydroxy-4-phenyl-6-phenethylpyrimidine27433-91-6C18H16N2O
- 3H-Indol-3-one, 1,2-dihydro-2-methyl-2-(2-methyl-1H-indol-3-yl)-23740-95-6C18H16N2O
- 2-(3-Methoxyphenyl)-5,6-dihydroimidazo(2,1-a)isoquinoline61001-21-6C18H16N2O
- 2-(2-Methylphenyl)-N-(8-quinolinyl)acetamide930987-28-3C18H16N2O
- 5-[4-(Benzyloxy)phenyl]-2-pyridinamine889951-16-0C18H16N2O
- 4'-Azetidinomethyl-2-cyanobenzophenone898777-43-0C18H16N2O
- 4'-Azetidinomethyl-3-cyanobenzophenone898777-46-3C18H16N2O
- 4-Azetidinomethyl-4'-cyanobenzophenone898777-49-6C18H16N2O
- 2-Azetidinomethyl-2'-cyanobenzophenone898754-44-4C18H16N2O
- 3-(2-(Azetidin-1-ylmethyl)benzoyl)benzonitrile898754-47-7C18H16N2O
- 2-[3-(Pyrrolidinocarbonyl)phenyl]benzonitrile1365272-34-9C18H16N2O
- 1-Naphthamidine, N-(o-methoxyphenyl)-23564-84-3C18H16N2O
- 1-Naphthamidine, N-(p-methoxyphenyl)-23564-86-5C18H16N2O
- 6H-Pyrido(3,2,1-jk)(1,4)benzodiazepin-4(3H)-one, 7,8-dihydro-1-phenyl-28748-77-8C18H16N2O
- N-(3-Ethylphenyl)quinoline-2-carboxamide694448-29-8C18H16N2O
- 2-[(4-Methoxyphenyl)methyl]-1-prop-2-ynylbenzimidazole838851-17-5C18H16N2O
- 1H-Pyrrolo(1,2,3-de)quinoxalin-2(3H)-one, 1,5-dimethyl-6-phenyl-67766-97-6C18H16N2O
- 3-(2,4-Dimethylphenyl)-1-phenyl-1H-pyrazole-4-carbaldehyde956744-21-1C18H16N2O
- 2-Naphthyl-N-(4-pyridylmethyl)ethanamide927129-48-4C18H16N2O
- 3-(Benzyloxy)-5-phenylpyridin-2-amine756504-75-3C18H16N2O
- 2-(o-Methoxyphenyl)-5,6-dihydroimidazo(2,1-a)isoquinoline61001-20-5C18H16N2O
- 2-(2-Methylphenyl)-N-(5-quinolinyl)acetamide1014497-97-2C18H16N2O
- 3'-Azetidinomethyl-2-cyanobenzophenone898771-36-3C18H16N2O
- 3-Azetidinomethyl-3'-cyanobenzophenone898771-39-6C18H16N2O
- 3-Azetidinomethyl-4'-cyanobenzophenone898771-42-1C18H16N2O
- 3-[4-(4-Methylphenoxy)phenyl]pyridin-2-amine1358754-55-8C18H16N2O
- (3aR,8aS)-2-(6-Cyclopropylpyridin-2-yl)-3a,8a-dihydro-8H-indeno[1,2-d]oxazole2828438-59-9C18H16N2O
Frequently asked questions
What is the molar mass of C18H16N2O?
The molar mass of C18H16N2O is 276.34 g/mol, calculated from standard atomic weights for 18 carbon atoms, 16 hydrogen atoms, 2 nitrogen atoms and 1 oxygen atom. The monoisotopic mass is 282.1639 Da.
How many compounds have the formula C18H16N2O?
CompoundList lists 249 compounds with the molecular formula C18H16N2O, including Sudan II, 9-Methoxy-5,11-dimethyl-6H-pyrido(4,3-B)carbazole, 1-Benzyl-3-(1-naphthyl)urea. 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 C18H16N2O?
C18H16N2O 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.