C18H19NO
263 compounds have this formula on CompoundList.
- Molar mass
- 265.36g/mol
- Monoisotopic mass
- 268.1655Da
- Atoms
- 39
- Elements
- 4
- Rings plus double bonds
- 10
The formula C18H19NO describes a molecule made of 18 carbon atoms, 19 hydrogen atoms, 1 nitrogen atom 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 × 1881.47%12.011 × 18 = 216.198 g/mol
- H Hydrogen × 197.22%1.008 × 19 = 19.152 g/mol
- N Nitrogen × 15.28%14.007 × 1 = 14.007 g/mol
- O Oxygen × 16.03%15.999 × 1 = 15.999 g/mol
Compounds with the formula C18H19NO
Isomers we list, best known first. Open one to see its structure, properties, safety data and suppliers.
Showing 201 to 263 of 263 compounds
![3-[(9-Phenanthrenylmethyl)amino]-1-propanol chemical structure, C18H19NO, CAS 14131-14-7](/s/DHNZNSYUDUSALE-UHFFFAOYSA-N.svg)
![1'-(4-Phenoxyphenyl)-[1,1'-bi(cyclopropane)]-1-amine chemical structure, C18H19NO, CAS 2228932-56-5](/s/YIMWWCCOXABUFQ-UHFFFAOYSA-N.svg)
![1'-(2-Phenoxyphenyl)-[1,1'-bi(cyclopropane)]-1-amine chemical structure, C18H19NO, CAS 2228253-75-4](/s/PUTQFPCXUFSMAN-UHFFFAOYSA-N.svg)
![1'-(3-Phenoxyphenyl)-[1,1'-bi(cyclopropane)]-1-amine chemical structure, C18H19NO, CAS 2228991-86-2](/s/JVBYZOQOOBAINI-UHFFFAOYSA-N.svg)
![1'-Benzyl-2H-spiro[benzofuran-3,3'-pyrrolidine] chemical structure, C18H19NO, CAS 1047656-30-3](/s/AEDJAUAHJRJZIS-UHFFFAOYSA-N.svg)
- 2,2,5-Trimethyl-2,3,4,11-tetrahydropyrano[2,3-a]carbazole90706-12-0C18H19NO
- N-(2,2-Dimethyl-4,4-diphenylbut-3-en-1-ylidene)hydroxylamine111220-88-3C18H19NO
- 1-Phenyl-3-[(1-phenylcyclopropyl)amino]propan-1-one137596-54-4C18H19NO
- 2-(2-Benzylphenyl)-4,4-dimethyl-4,5-dihydro-1,3-oxazole211388-47-5C18H19NO
- N-[3-Benzyl-4-(4-methylphenyl)but-3-en-2-ylidene]hydroxylamine64687-27-0C18H19NO
- N-[2-(Pent-3-en-2-yl)phenyl]benzamide649558-92-9C18H19NO
- 9-[2-(Ethenyloxy)ethyl]-10-methyl-9,10-dihydroacridine62333-65-7C18H19NO
- 2-(Ethylamino)-3-(naphthalen-2-yl)cyclohex-2-en-1-one62297-30-7C18H19NO
- N-(Cyclohex-1-en-1-yl)-N-methylnaphthalene-1-carboxamide61576-16-7C18H19NO
- 5,7-Diphenyl-1-oxa-6-azaspiro[2.5]octane846549-96-0C18H19NO
- 3,3-Dimethyl-4-(4-methylphenyl)-1-phenylazetidin-2-one835651-87-1C18H19NO
- 5-(Benzylamino)-1-phenylpent-1-en-3-one824938-70-7C18H19NO
- N,N-Dimethyl-4,4-diphenylbut-3-enamide915318-08-0C18H19NO
- 2,5-Dihydro-2,2-dimethyl-5-(4-methylphenyl)-4-phenyloxazole51304-31-5C18H19NO
- 4,6-Bis(4-methylphenyl)-3,4-dihydro-2H-1,4-oxazine503180-73-2C18H19NO
- 4-[4-(1,1-Dimethylethyl)phenoxy]-2-methylbenzonitrile1512225-72-7C18H19NO
- Nordoxepin D31331822-25-3C18H19NO
- cis-5-([1,1'-Biphenyl]-4-ylmethyl)-3-methylpyrrolidin-2-one2101222-42-6C18H19NO
- 1-Benzhydryl-3-vinylazetidin-3-ol2222541-10-6C18H19NO
- 5-(Benzyloxy)-3-(propan-2-yl)-3H-indole2648972-35-2C18H19NO
- 2_(9H_Fluoren_9_yl)_N_isopropylacetamide2564798-00-9C18H19NO
- 3-(4-(tert-Butyl)phenyl)indolin-2-one1042159-63-6C18H19NO
- N-Cyclopentyl-5-vinyl-2-naphthamide3078558-88-7C18H19NO
- Piperidin-1-yl(5-vinylnaphthalen-2-yl)methanone3078452-64-6C18H19NO
- 1-[(3-Methylphenyl)methyl]-4-phenylpyrrolidin-2-one3054592-22-9C18H19NO
- (S)-2-([1,1'-Biphenyl]-4-yl)-4-isopropyl-4,5-dihydrooxazole890933-61-6C18H19NO
- 4-(2-(t-Butyl)-5-methylphenoxy)benzonitrile938311-30-9C18H19NO
- 3-(4-Methoxyphenyl)-2,5,6-trimethyl-1H-indole1265145-30-9C18H19NO
- rel-N-[(1R,4R)-1,2,3,4-Tetrahydro-4-phenyl-1-naphthalenyl]acetamide52371-34-3C18H19NO
- rel-N-[(1R,4S)-1,2,3,4-Tetrahydro-4-phenyl-1-naphthalenyl]acetamide52371-33-2C18H19NO
- (1-Methyl-2,3-dihydro-1H-pyrrol-2-yl)diphenylmethanol1396968-64-1C18H19NO
- (3S,5R)-5-([1,1'-Biphenyl]-4-ylmethyl)-3-methylpyrrolidin-2-one1929608-77-4C18H19NO
- 3-(6-(Dimethylamino)naphthalen-2-yl)cyclohex-2-enone960319-81-7C18H19NO
- 6-Butyl-3-methoxyphenanthridine2242857-39-0C18H19NO
- 4-(2,4-Dimethyl-5-(pyridin-2-yl)phenyl)-2-methylbut-3-yn-2-ol2159062-98-1C18H19NO
- 3-[1,2,3,6-Tetrahydro-1-(phenylmethyl)-4-pyridinyl]phenol1370256-39-5C18H19NO
- (4'-Methyl[1,1'-biphenyl]-2-yl)-1-pyrrolidinylmethanone1805794-87-9C18H19NO
- 8-(Naphthalen-2-ylmethyl)-8-azabicyclo[3.2.1]octan-3-one3095477-89-4C18H19NO
- (4S,5S)-2,2-Dimethyl-4,5-diphenyl-6-oxa-1-azabicyclo[3.1.0]hexane89718-53-6C18H19NO
Frequently asked questions
What is the molar mass of C18H19NO?
The molar mass of C18H19NO is 265.36 g/mol, calculated from standard atomic weights for 18 carbon atoms, 19 hydrogen atoms, 1 nitrogen atom and 1 oxygen atom. The monoisotopic mass is 268.1655 Da.
How many compounds have the formula C18H19NO?
CompoundList lists 263 compounds with the molecular formula C18H19NO, including (2,6-Dimethyl-3,4-dihydroquinolin-1(2H)-yl)(phenyl)methanone, 2-(2,4,6-Trimethylphenyl)-3,4-dihydroisoquinolin-1(2H)-one, 3-[(9-Phenanthrenylmethyl)amino]-1-propanol. 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 C18H19NO?
C18H19NO has a degree of unsaturation of 10. 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.