Molecular formula
C16H21NO
233 compounds have this formula on CompoundList.
- Molar mass
- 243.35g/mol
- Monoisotopic mass
- 246.1811Da
- Atoms
- 39
- Elements
- 4
- Rings plus double bonds
- 7
The formula C16H21NO describes a molecule made of 16 carbon atoms, 21 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 × 1678.97%12.011 × 16 = 192.176 g/mol
- H Hydrogen × 218.70%1.008 × 21 = 21.168 g/mol
- N Nitrogen × 15.76%14.007 × 1 = 14.007 g/mol
- O Oxygen × 16.57%15.999 × 1 = 15.999 g/mol
Look up another formula
Compounds with the formula C16H21NO
Isomers we list, best known first. Open one to see its structure, properties, safety data and suppliers.
Showing 101 to 200 of 233 compounds
![1-[2-(3-Methylphenyl)azepan-1-yl]prop-2-en-1-one chemical structure, C16H21NO, CAS 2179723-61-4](/s/UVMYZPSYZASUJY-UHFFFAOYSA-N.svg)
1-[2-(3-Methylphenyl)azepan-1-yl]prop-2-en-1-one
CAS 2179723-61-4C16H21NO
2,2,5,5-Tetramethyl-3-(2-phenylethynyl)pyrrolidin-3-ol
CAS 7232-33-9C16H21NO
2-Naphthalenol, 5,6,7,8-tetrahydro-7-(propyl-2-propynylamino)-
CAS 148258-44-0C16H21NO
2-Methyl-5-phenoxy-1,2,3,4,5,6,7,8-octahydroisoquinoline
CAS 828277-25-4C16H21NO
9a-Benzylhexahydro-2H-quinolizin-1(6H)-one
CAS 61546-89-2C16H21NO
1-(1H-Indol-3-yl)octan-1-one
CAS 69622-36-2C16H21NO
Dezocine impurity 10
CAS 100667-17-2C16H21NO
![N-(Bicyclo[3.3.1]nonan-1-yl)benzamide chemical structure, C16H21NO, CAS 116137-38-3](/s/LRTDDWFAVUHSLH-UHFFFAOYSA-N.svg)
N-(Bicyclo[3.3.1]nonan-1-yl)benzamide
CAS 116137-38-3C16H21NO
2-((Benzyloxy)methyl)-5-isopropyl-3-methyl-1H-pyrrole
CAS 917618-20-3C16H21NO
Trans-1-benzyloctahydroquinolin-7(1H)-one
C16H21NO
4-(Furan-2-yl)-N-(3-methylbenzyl)butan-2-amine
CAS 1042618-85-8C16H21NO
![7-[Bis(prop-2-en-1-yl)amino]-5,6,7,8-tetrahydronaphthalen-1-ol chemical structure, C16H21NO, CAS 134467-60-0](/s/ZQGWAXBNGIIJOZ-UHFFFAOYSA-N.svg)
7-[Bis(prop-2-en-1-yl)amino]-5,6,7,8-tetrahydronaphthalen-1-ol
CAS 134467-60-0C16H21NO
N-(2-Methylbutyl)undeca-2,4-diene-8,10-diynamide
CAS 99615-79-9C16H21NO
![2-(Cyclohexylmethyl)-3,8a-dihydrocyclohepta[c]pyrrol-1(2H)-one chemical structure, C16H21NO, CAS 769962-01-8](/s/VIBJVOWODLUNIZ-UHFFFAOYSA-N.svg)
2-(Cyclohexylmethyl)-3,8a-dihydrocyclohepta[c]pyrrol-1(2H)-one
CAS 769962-01-8C16H21NO
3-(4-Methoxynaphthalen-1-yl)-3-methylbutan-1-amine
CAS 1510640-76-2C16H21NO
3-(6-Methoxynaphthalen-2-yl)-3-methylbutan-1-amine
CAS 1539221-09-4C16H21NO
4-n-Butylphenyl-(1-methyl-2-pyrrolyl)methanol
CAS 1443341-44-3C16H21NO
N-(4-Methylidenecyclohexyl)-2-(3-methylphenyl)acetamide
CAS 2097924-53-1C16H21NO
![N-{[1-(3-Methylphenyl)cyclopentyl]methyl}prop-2-enamide chemical structure, C16H21NO, CAS 2305320-55-0](/s/QKJOKNUDKUKTOZ-UHFFFAOYSA-N.svg)
N-{[1-(3-Methylphenyl)cyclopentyl]methyl}prop-2-enamide
CAS 2305320-55-0C16H21NO
N-(4-Phenylcycloheptyl)prop-2-enamide
CAS 2305455-89-2C16H21NO
![N-[(4-Phenylcyclohexyl)methyl]prop-2-enamide chemical structure, C16H21NO, CAS 2305475-97-0](/s/MSFXMCORNOFUNL-UHFFFAOYSA-N.svg)
N-[(4-Phenylcyclohexyl)methyl]prop-2-enamide
CAS 2305475-97-0C16H21NO
![6,6-Dimethyl-2-(2-methylbenzoyl)-2-azaspiro[3.3]heptane chemical structure, C16H21NO, CAS 2380059-75-4](/s/VRHVUVSDNYQUDY-UHFFFAOYSA-N.svg)
6,6-Dimethyl-2-(2-methylbenzoyl)-2-azaspiro[3.3]heptane
CAS 2380059-75-4C16H21NO
N-Propyl-N-(1,2,3,4-tetrahydronaphthalen-2-yl)prop-2-enamide
CAS 2411274-48-9C16H21NO
![N-[2-(2-Phenylethyl)cyclopentyl]prop-2-enamide chemical structure, C16H21NO, CAS 2411265-51-3](/s/UENRUMDWVWKEJI-UHFFFAOYSA-N.svg)
N-[2-(2-Phenylethyl)cyclopentyl]prop-2-enamide
CAS 2411265-51-3C16H21NO
- 1-(Cyclopentylmethyl)-4-phenylpyrrolidin-2-one2640902-84-5C16H21NO
- N-Ethyl-1,2,3,4-tetrahydro-7-methoxy-N-2-propyn-1-yl-2-naphthalenamine151674-78-1C16H21NO
- 3-(8-Azabicyclo[3.2.1]oct-8-yl)-1-phenyl-1-propanone2531-64-8C16H21NO
- 3-(Cyclohexyloxy)-2-(propan-2-yl)benzonitrile1369775-31-4C16H21NO
- 4-Methyl-1-(1-naphthalenyloxy)-2-pentanamine883544-81-8C16H21NO
- 7'-(Dimethylamino)-3',4'-dihydro-2'H-spiro[cyclopentane-1,1'-naphthalen]-4'-one2172519-52-5C16H21NO
- 1-(2-tert-Butyl-4-methyl-5-phenylfuran-3-yl)methanamine2172494-21-0C16H21NO
- 1-[2-(Butan-2-yl)-4-methyl-5-phenylfuran-3-yl]methanamine2172259-32-2C16H21NO
- 1-[1-(3-Methyl-1-benzofuran-2-yl)cyclohexyl]methanamine2228638-82-0C16H21NO
- 7'-(Diethylamino)-3',4'-dihydro-2'H-spiro[cyclopropane-1,1'-naphthalen]-4'-one2171834-97-0C16H21NO
- 1-Benzoyl-4-cyclobutylpiperidine2913243-93-1C16H21NO
- 3-(4-Methylphenyl)-1-(3-methylpiperidin-1-yl)prop-2-en-1-oneC16H21NO
- 2-Methyl-1-(2-methylpiperidin-1-yl)-3-phenylprop-2-en-1-one599188-23-5C16H21NO
- 2-Methyl-1-(3-methylpiperidin-1-yl)-3-phenylprop-2-en-1-one599187-76-5C16H21NO
- 2-Methyl-1-(4-methylpiperidin-1-yl)-3-phenylprop-2-en-1-one599188-36-0C16H21NO
- 1-(4a-Ethyl-2,3,4,9a-tetrahydro-1H-carbazol-9-yl)ethanone15640-98-9C16H21NO
- 1-[6-(3-Methylbut-2-en-1-yl)-3,4-dihydroquinolin-1(2H)-yl]ethan-1-one88343-22-0C16H21NO
- N-Phenyl-2-(2,2,3-trimethylcyclopent-3-en-1-yl)acetamide95512-22-4C16H21NO
- N-Cyclohexyl-2-ethoxy-2-phenylethen-1-imine109531-15-9C16H21NO
- 2-Benzyl-2-azaspiro[4.5]decan-3-one116725-67-8C16H21NO
- 8-(1,3-Dihydro-2H-isoindol-2-yl)oct-3-yn-2-ol917883-02-4C16H21NO
- 3-(2-Phenylethyl)-3-azabicyclo[3.3.1]nonan-9-one18339-20-3C16H21NO
- (4aS,8aS)-1-Benzyl-2,3,4,4a,5,6,8,8a-octahydroquinolin-7-oneC16H21NO
- 8-Cyclopropyl-3-phenyl-8-azabicyclo[3.2.1]octan-3-ol1209115-38-7C16H21NO
- (4aR,9aR)-4,4,4a,9-Tetramethyl-1,3,4,4a,9,9a-hexahydro-2H-carbazol-2-one64884-70-4C16H21NO
- 2-(Dimethylamino)-1-phenylocta-4,7-dien-1-one88471-79-8C16H21NO
- 2-[(E)-(1,7,7-Trimethylbicyclo[2.2.1]heptan-2-ylidene)amino]phenol93024-78-3C16H21NO
- 4-Ethyl-2-(2-phenylethylidene)-3-(prop-2-en-1-yl)-1,3-oxazolidine93684-28-7C16H21NO
- 2-[(4-Methoxyphenyl)methyl]-1,4,6-trimethyl-1,2-dihydropyridine93943-24-9C16H21NO
- 3-[4-(Heptyloxy)phenyl]prop-2-enenitrile94476-89-8C16H21NO
- 7-[Di(prop-2-en-1-yl)amino]-5,6,7,8-tetrahydronaphthalen-2-ol113504-68-0C16H21NO
- 1-Benzyl-3,4,7,8,9,10-hexahydroazecin-2(1H)-one138403-72-2C16H21NO
- N-Benzyl-N-(prop-2-en-1-yl)hex-3-enamide143104-66-9C16H21NO
- 1-[4-(4-Methylphenoxy)but-2-yn-1-yl]piperidine396639-53-5C16H21NO
- (4aS,8aS)-2-Methyl-4a-phenyloctahydroisoquinolin-6(2H)-one50640-74-9C16H21NO
- 1-(1,3,3-Trimethyl-1,3-dihydro-2H-indol-2-ylidene)pentan-2-one64473-13-8C16H21NO
- (4aS,8aR)-2-Methyl-4a-phenyloctahydroisoquinolin-6(2H)-one61210-14-8C16H21NO
- (6R,9aR)-6-(4-Methoxyphenyl)-1,3,4,6,9,9a-hexahydro-2H-quinolizine87781-86-0C16H21NO
- (6R,9aR)-6-(4-Methoxyphenyl)-1,3,4,6,7,9a-hexahydro-2H-quinolizine87781-85-9C16H21NO
- (6R,9aS)-6-(4-Methoxyphenyl)-1,3,4,6,9,9a-hexahydro-2H-quinolizine87781-84-8C16H21NO
- (6R,9aS)-6-(4-Methoxyphenyl)-1,3,4,6,7,9a-hexahydro-2H-quinolizine87781-83-7C16H21NO
- 1-(3,3-Dimethyl-1-propyl-1,3-dihydro-2H-indol-2-ylidene)propan-2-one874281-98-8C16H21NO
- 2-(Cyclohex-1-en-1-yl)-N-[(1S)-1-phenylethyl]acetamide828252-53-5C16H21NO
- 2-(Cyclohex-1-en-1-yl)-N-[(1R)-1-phenylethyl]acetamide828252-52-4C16H21NO
- 2-(4-tert-Butylphenyl)-4-methyl-3-oxopentanenitrile1177093-19-4C16H21NO
- 4-tert-Butylphenyl-(1-methyl-2-pyrrolyl)methanol1443340-24-6C16H21NO
- 2-(Cyclohexylmethoxy)-4,6-dimethylbenzonitrile1710301-85-1C16H21NO
- 3-(6-Methoxynaphthalen-2-yl)-2,2-dimethylpropan-1-amine1889867-03-1C16H21NO
- 4-(6-Methoxynaphthalen-2-yl)-2-methylbutan-2-amine1890361-31-5C16H21NO
- [1-(6-Methoxynaphthalen-2-yl)-2-methylpropan-2-yl](methyl)amine1889594-86-8C16H21NO
- 8-[4-(Propan-2-yl)phenyl]-6-azaspiro[3.4]octan-5-one2060043-47-0C16H21NO
- 4-(4-Ethylphenyl)-2-azaspiro[4.4]nonan-1-one2060020-63-3C16H21NO
- 8-Benzyl-8-azaspiro[4.5]decan-1-one2169431-91-6C16H21NO
- 2-(Oxolan-3-yl)-6-phenyl-2-azaspiro[3.3]heptane2741958-56-3C16H21NO
- 1-(Benzylamino)non-8-yn-2-one2138016-50-7C16H21NO
- 1-(Benzylamino)nona-6,8-dien-3-one2138824-86-7C16H21NO
- 1-(Benzylamino)-6,6-dimethylhept-4-yn-2-one2137785-83-0C16H21NO
- 3-[4-(Dimethylamino)-4-methylcyclohex-1-en-1-yl]benzaldehyde2138209-22-8C16H21NO
- 6-tert-Butyl-2-propylquinolin-3-ol2137651-24-0C16H21NO
- 8-Ethyl-2-(2-methylbutan-2-yl)quinolin-3-ol2137990-94-2C16H21NO
- 4-Methyl-9-phenyl-2-azaspiro[4.5]decan-6-one2137610-21-8C16H21NO
- 4-[4-(Dimethylamino)-4-methylcyclohex-1-en-1-yl]benzaldehyde2138211-30-8C16H21NO
- 2-(2,2-Dimethylpropyl)-6-ethylquinolin-3-ol2138419-37-9C16H21NO
- 6-Ethyl-2-(2-methylbutan-2-yl)quinolin-3-ol2137761-09-0C16H21NO
- 6-tert-Butyl-2-(propan-2-yl)quinolin-3-ol2137662-84-9C16H21NO
- 2-(2,2-Dimethylpropyl)-8-ethylquinolin-3-ol2138418-88-7C16H21NO
- 3-(2-Methoxynaphthalen-1-yl)-3-methylbutan-1-amine2228600-93-7C16H21NO
- 1-(1-Benzylpiperidin-3-yl)cyclopropane-1-carbaldehyde2228665-99-2C16H21NO
- 3-(2-Methoxynaphthalen-1-yl)-2,2-dimethylpropan-1-amine2228719-71-7C16H21NO
- 4-{[4-(2-Methylbut-3-yn-2-yl)phenyl]methyl}morpholine2228220-31-1C16H21NO
- N,N-Diethyl-4-(1-ethynylcyclopropyl)-3-methoxyaniline2228545-82-0C16H21NO
- 1-(1-Benzylpiperidin-2-yl)cyclopropane-1-carbaldehyde2228551-56-0C16H21NO
- 4-[1-(3-Methyl-1-benzofuran-2-yl)ethyl]piperidine2228549-93-5C16H21NO
- 2,2-Dimethyl-3-[5-(4-methylphenyl)furan-2-yl]propan-1-amine2228562-17-0C16H21NO
- 4-(4-Methoxynaphthalen-1-yl)-2-methylbutan-2-amine2228510-61-8C16H21NO
- 4-(2-Methoxynaphthalen-1-yl)-2-methylbutan-2-amine2229471-55-8C16H21NO
Frequently asked questions
What is the molar mass of C16H21NO?
The molar mass of C16H21NO is 243.35 g/mol, calculated from standard atomic weights for 16 carbon atoms, 21 hydrogen atoms, 1 nitrogen atom and 1 oxygen atom. The monoisotopic mass is 246.1811 Da.
How many compounds have the formula C16H21NO?
CompoundList lists 233 compounds with the molecular formula C16H21NO, including 1-[2-(3-Methylphenyl)azepan-1-yl]prop-2-en-1-one, 2,2,5,5-Tetramethyl-3-(2-phenylethynyl)pyrrolidin-3-ol, 2-Naphthalenol, 5,6,7,8-tetrahydro-7-(propyl-2-propynylamino)-. 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 C16H21NO?
C16H21NO has a degree of unsaturation of 7. 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.