Molecular formula
C18H27NO
77 compounds have this formula on CompoundList.
- Molar mass
- 273.42g/mol
- Monoisotopic mass
- 273.2093Da
- Atoms
- 47
- Elements
- 4
- Rings plus double bonds
- 6
The formula C18H27NO describes a molecule made of 18 carbon atoms, 27 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 × 1879.07%12.011 × 18 = 216.198 g/mol
- H Hydrogen × 279.95%1.008 × 27 = 27.216 g/mol
- N Nitrogen × 15.12%14.007 × 1 = 14.007 g/mol
- O Oxygen × 15.85%15.999 × 1 = 15.999 g/mol
Look up another formula
Compounds with the formula C18H27NO
Isomers we list, best known first. Open one to see its structure, properties, safety data and suppliers.
Showing 1 to 77 of 77 compounds
gamma-Sanshool
CAS 78886-65-4C18H27NO
7-(N,N-Dipropylamino)-5,6,7,8-tetrahydronaphtho(2,3-b)dihydro-2,3-furan
CAS 157622-55-4C18H27NO
4-(4-Pentylcyclohexyl)benzamide
CAS 73011-80-0C18H27NO
6-tert-Butyl-3-cyclohexyl-3,4-dihydro-2H-1,3-benzoxazine
CAS 5451-32-1C18H27NO
8-Acetyl-2-(dipropylamino)tetralin
CAS 140221-50-7C18H27NO
3-Cyclopentyl-N-(4-phenylbutan-2-yl)propanamide
CAS 546090-37-3C18H27NO
N-Isobutyl-2,4,8,10,12-tetradecapentaenamide
CAS 98168-69-5C18H27NO
1-(4-tert-Butylbenzoyl)-2-ethylpiperidine
CAS 324058-78-8C18H27NO
Methoxydine
CAS 2201-35-6C18H27NO
1-(1-(3-Methoxyphenyl)cyclohexyl)piperidine
CAS 72242-03-6C18H27NO
Isoperisone
CAS 64840-92-2C18H27NO
N-Cyclooctyl-2-phenylbutanamide
CAS 434311-48-5C18H27NO
Alpha-pyrrolidinooctanophenone
CAS 1800101-28-3C18H27NO
Cyclohexanol, 2-(4-(phenylmethyl)-1-piperidinyl)-, trans-(+-)-
CAS 120446-83-5C18H27NO
o-Cresol, 4-cyclohexyl-alpha-piperidino-
CAS 101887-95-0C18H27NO
1-(4-tert-Butylbenzoyl)-3,5-dimethylpiperidine
CAS 78718-61-3C18H27NO
1-(1-Adamantyl)-3-(1-methylcyclopentyl)-2-aziridinone
CAS 26905-18-0C18H27NO
N-Benzyl-4-butylcyclohexane-1-carboxamide
CAS 714261-68-4C18H27NO
2,6-Methano-3-benzazocin-8-ol, 1,2,3,4,5,6-hexahydro-3-methyl-6-pentyl-, (±)-
CAS 64023-90-1C18H27NO
![(NE)-N-[1-(3-ethyl-5,5,8,8-tetramethyl-6,7-dihydronaphthalen-2-yl)ethylidene]hydroxylamine chemical structure, C18H27NO, CAS 351498-00-5](/s/ICOGZWMALCHTHF-XDHOZWIPSA-N.svg)
(NE)-N-[1-(3-ethyl-5,5,8,8-tetramethyl-6,7-dihydronaphthalen-2-yl)ethylidene]hydroxylamine
CAS 351498-00-5C18H27NO
2-Undecyl-1,3-benzoxazole
CAS 54695-81-7C18H27NO
4-tert-Butyl-N-(2-methylcyclohexyl)benzamide
CAS 459154-46-2C18H27NO
Piperidine, 1-methyl-2-(((6,7,8,9-tetrahydro-5H-benzocyclohepten-5-yl)oxy)methyl)-
CAS 40494-47-1C18H27NO
![8,8-Dimethyl-2-benzyl-9-oxa-2-azaspiro[5.5]undecane chemical structure, C18H27NO, CAS 87399-97-1](/s/GEHJWDOESWZZTK-UHFFFAOYSA-N.svg)
8,8-Dimethyl-2-benzyl-9-oxa-2-azaspiro[5.5]undecane
CAS 87399-97-1C18H27NO
- 3-Cyclohexyl-N-(4-propan-2-ylphenyl)propanamide434302-18-8C18H27NO
- N-Benzyl-3-cyclohexyl-N-ethylpropanamide587843-58-1C18H27NO
- 3-Cyclohexyl-N-(3-phenylpropyl)propanamide434287-28-2C18H27NO
- N-(4-Butylphenyl)-2-cyclohexylacetamide461650-26-0C18H27NO
- 4-tert-Butyl-N-cyclohexyl-N-methylbenzamide101927-57-5C18H27NO
- Cyclohexanol, 1-methyl-2-(4-phenyl-1-piperidinyl)-, trans-(+-)-120447-28-1C18H27NO
- N-Cyclopentyl-2-(4-isobutylphenyl)propanamide825606-97-1C18H27NO
- 3H-Indole, 5,7-bis(1,1-dimethylethyl)-3,3-dimethyl-, 1-oxide33331-48-5C18H27NO
- 2-Decyloxybenzyl cyanide117423-77-5C18H27NO
- (E)-N,N-Dibutyl-3-(4-methylphenyl)prop-2-enamide1648627-14-8C18H27NO
- (1-Cyclohexyl-2-phenylpiperidin-3-yl)methanol439109-52-1C18H27NO
- 1-Propanone, 2-methyl-3-(1-piperidinyl)-1-(4-propylphenyl)-64840-91-1C18H27NO
- 1H-Isoindole, 2-(cyclohexyloxy)-2,3-dihydro-1,1,3,3-tetramethyl-89482-40-6C18H27NO
- Butanamide, N-[(4-butyl-2,3-dihydro-1H-inden-1-yl)methyl]-820974-73-0C18H27NO
- 2H-Indol-2-one, 5,7-bis(1,1-dimethylethyl)-1,3-dihydro-3,3-dimethyl-31507-96-7C18H27NO
- 2,3-Dimethyl-6-(piperidin-1-yl)-6,7,8,9-tetrahydro-5H-benzo[7]annulen-5-ol19839-60-2C18H27NO
- 2-Benzyl-5,8a-dimethyl-1,3,4,4a,5,6,7,8-octahydroisoquinolin-6-ol99648-62-1C18H27NO
- 4-(1-Benzylcycloheptyl)morpholine835654-13-2C18H27NO
- 6-tert-Butyl-2-(1-phenylethyl)-1-oxa-2-azaspiro[2.5]octane7240-06-4C18H27NO
- 3-(1,1-Dimethylethyl)-8-(phenylmethyl)-8-azabicyclo[3.2.1]octan-3-ol1058166-29-2C18H27NO
- N-[4-(4-Cyclohexylidenecyclohexylidene)cyclohexylidene]hydroxylamine182203-90-3C18H27NO
- N-(4-Pentylphenyl)cyclohexanecarboxamide305849-43-8C18H27NO
- Benzamide, 2-[(1S)-1-methyl-3-butenyl]-N,N-bis(1-methylethyl)-159888-25-2C18H27NO
- Benzenemethanol, 4-[3-(dibutylamino)-1-propynyl]-830329-25-4C18H27NO
- Oxazole, 4,5-dihydro-4,4-dimethyl-2-[2-(1,3,3-trimethylbutyl)phenyl]-143123-68-6C18H27NO
- 1-(4-tert-Butylphenyl)-2-methyl-3-(pyrrolidin-1-yl)propan-1-one80566-78-5C18H27NO
- 2-Ethyl-1,2,5,6-tetrahydro-2-[(4-methoxyphenyl)methyl]-1,3,4-trimethylpyridine116708-00-0C18H27NO
- [1-(1-Phenylcyclohexyl)piperidin-3-yl]methanol106339-31-5C18H27NO
- 1-(4-Ethylphenyl)-2-(3-ethyl-1-piperidinyl)-1-propanone1216063-74-9C18H27NO
- 3-(Octylamino)-1-phenylbut-2-EN-1-one88620-51-3C18H27NO
- N-[3-[(2,3-Dihydro-1H-inden-5-yl)oxy]propyl]cyclopentanemethanamine1225829-50-4C18H27NO
- N-(4-Methylidenecyclohexyl)adamantane-1-carboxamide2097893-20-2C18H27NO
- Cyclohexyl(1-methylpyrrolidin-3-yl)phenylmethanol21754-89-2C18H27NO
- 1-(2-Methoxy-1-phenylcyclohexyl)piperidine78636-34-7C18H27NO
- N-Butyl-N-(5-methylhex-4-en-1-yl)benzamide89378-32-5C18H27NO
- 3-[1-(Cyclopropylmethyl)-3-ethylazepan-3-yl]phenol63756-93-4C18H27NO
- 1-[1-(2-Methoxyphenyl)cyclohexyl]piperidine2201-34-5C18H27NO
- 2-(1-Anilinohexyl)cyclohexan-1-one920324-39-6C18H27NO
- 2-[(Hex-5-en-1-yl)oxy]-1,1,3,3-tetramethyl-2,3-dihydro-1H-isoindole113086-63-8C18H27NO
- N-(3,7-Dimethylocta-2,6-dien-1-yl)-4-ethoxyaniline69797-70-2C18H27NO
- 1-(2,4-Dimethyl-1H-pyrrol-3-yl)-5,9-dimethyldeca-4,8-dien-1-one61453-30-3C18H27NO
- 2-{[(1S,2R)-1-Cyclohexyl-2-methylbut-3-en-1-yl]amino}-3-methylphenol922191-53-5C18H27NO
- 1-(3-Methoxy-1-phenylcyclohexyl)piperidine90053-67-1C18H27NO
- 8-(3-Ethylanilino)-3,7-dimethylocta-2,6-dien-1-ol923580-41-0C18H27NO
- 3-((1R,4aR,8aR)-1-Ethyl-2-methyldecahydroisoquinolin-4a-yl)phenol2102410-76-2C18H27NO
- 6-(Diethylamino)-4,4-diethyl-1,2,3,4-tetrahydronaphthalen-1-one2172320-81-7C18H27NO
- 4-Methoxy-4-[(1-phenylcyclopentyl)methyl]piperidine2229401-48-1C18H27NO
- [1-(1-Benzylpiperidin-3-yl)-2,2-dimethylcyclopropyl]methanol2228948-59-0C18H27NO
- [1-(1-Benzylpiperidin-2-yl)-2,2-dimethylcyclopropyl]methanol2228936-00-1C18H27NO
- 6-[Benzyl(methyl)amino]spiro[4.5]decan-8-ol2138056-00-3C18H27NO
- 4-(Aminomethyl)-4-(1-phenylcyclopentyl)cyclohexan-1-ol2229618-37-3C18H27NO
- 4-[2-(Cyclohexylmethoxy)phenyl]piperidineC18H27NO
- N-Cyclohexyl-N-ethyl-2,4,6-trimethylbenzamide2662541-69-5C18H27NO
Frequently asked questions
What is the molar mass of C18H27NO?
The molar mass of C18H27NO is 273.42 g/mol, calculated from standard atomic weights for 18 carbon atoms, 27 hydrogen atoms, 1 nitrogen atom and 1 oxygen atom. The monoisotopic mass is 273.2093 Da.
How many compounds have the formula C18H27NO?
CompoundList lists 77 compounds with the molecular formula C18H27NO, including gamma-Sanshool, 7-(N,N-Dipropylamino)-5,6,7,8-tetrahydronaphtho(2,3-b)dihydro-2,3-furan, 4-(4-Pentylcyclohexyl)benzamide. 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 C18H27NO?
C18H27NO has a degree of unsaturation of 6. 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.