Molecular formula
C16H21NO2
469 compounds have this formula on CompoundList.
- Molar mass
- 259.35g/mol
- Monoisotopic mass
- 266.2012Da
- Atoms
- 40
- Elements
- 4
- Rings plus double bonds
- 7
The formula C16H21NO2 describes a molecule made of 16 carbon atoms, 21 hydrogen atoms, 1 nitrogen atom and 2 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 × 1674.10%12.011 × 16 = 192.176 g/mol
- H Hydrogen × 218.16%1.008 × 21 = 21.168 g/mol
- N Nitrogen × 15.40%14.007 × 1 = 14.007 g/mol
- O Oxygen × 212.34%15.999 × 2 = 31.998 g/mol
Look up another formula
Compounds with the formula C16H21NO2
Isomers we list, best known first. Open one to see its structure, properties, safety data and suppliers.
Showing 101 to 200 of 469 compounds
![rel-(1R,4S,7R)-Ethyl 2-benzyl-2-azabicyclo[2.2.1]heptane-7-carboxylate chemical structure, C16H21NO2, CAS 745836-32-2](/s/HDLAPPYOWZTRFN-RBSFLKMASA-N.svg)
rel-(1R,4S,7R)-Ethyl 2-benzyl-2-azabicyclo[2.2.1]heptane-7-carboxylate
CAS 745836-32-2C16H21NO2
![N-[2-(Allyloxy)phenyl]cyclohexanecarboxamide chemical structure, C16H21NO2, CAS 899508-63-5](/s/COEKUZZWWSBAMB-UHFFFAOYSA-N.svg)
N-[2-(Allyloxy)phenyl]cyclohexanecarboxamide
CAS 899508-63-5C16H21NO2
![1-(4-{5-[(Propan-2-ylamino)methyl]furan-2-yl}phenyl)ethanol chemical structure, C16H21NO2, CAS 940359-10-4](/s/HZNGDVJFACRRDI-UHFFFAOYSA-N.svg)
1-(4-{5-[(Propan-2-ylamino)methyl]furan-2-yl}phenyl)ethanol
CAS 940359-10-4C16H21NO2
2-(2-Benzofuranyl)-4-tert-butyl-morpholine
CAS 119491-61-1C16H21NO2
![Ethyl (1S,4R)-3-benzyl-3-azabicyclo[2.2.1]heptane-7-carboxylate chemical structure, C16H21NO2, CAS 2103343-29-7](/s/HDLAPPYOWZTRFN-GRKKQISMSA-N.svg)
Ethyl (1S,4R)-3-benzyl-3-azabicyclo[2.2.1]heptane-7-carboxylate
CAS 2103343-29-7C16H21NO2
![Methyl 2-(2,3-dihydrospiro[indene-1,4'-piperidin]-3-yl)acetate chemical structure, C16H21NO2, CAS 1009374-71-3](/s/FNRMGNFBNKTIQL-UHFFFAOYSA-N.svg)
Methyl 2-(2,3-dihydrospiro[indene-1,4'-piperidin]-3-yl)acetate
CAS 1009374-71-3C16H21NO2
2-Boc-4-cyclopropylisoindoline
CAS 1243164-92-2C16H21NO2
![2-Benzyl-2-aza-spiro[4.4]nonane-4-carboxylic acid chemical structure, C16H21NO2, CAS 1480538-26-8](/s/BLMRJOTVUFHYSJ-UHFFFAOYSA-N.svg)
2-Benzyl-2-aza-spiro[4.4]nonane-4-carboxylic acid
CAS 1480538-26-8C16H21NO2
Methyl 3-(1-Benzyl-1,2,3,6-tetrahydro-4-pyridyl)propanoate
CAS 1398534-62-7C16H21NO2
Ethyl 1,2,2,4-tetramethyl-1,2-dihydroquinoline-6-carboxylate
CAS 2173115-88-1C16H21NO2
Methyl 1-ethyl-2,2,4-trimethyl-1,2-dihydroquinoline-8-carboxylate
CAS 2173116-87-3C16H21NO2
4-Allylpiperidine-1-carboxylic acid benzyl ester
CAS 1352733-74-4C16H21NO2
6-Amino-5-cyclohexyl-2,3-dihydro-1H-indene-1-carboxylic acid
CAS 28998-47-2C16H21NO2
2-Ethylhexyl 4-cyanobenzoate
CAS 654646-06-7C16H21NO2
2(3H)-Furanone, dihydro-4-phenyl-3-(1-piperidinylmethyl)-
CAS 99518-92-0C16H21NO2
3,4-Piperidinediol, 1,3-dimethyl-4-ethynyl-6-(4-methylphenyl)-, (3-alpha,4-alpha,6-beta)-
CAS 120729-73-9C16H21NO2
3,4-Piperidinediol, 1,3-dimethyl-4-ethynyl-6-(4-methylphenyl)-, (3-alpha,4-beta,6-beta)-
CAS 120729-76-2C16H21NO2
Piperidine, 1-((2-(phenoxymethyl)cyclopropyl)carbonyl)-, trans-
CAS 102617-10-7C16H21NO2
![4-({[2-(1-Cyclohexen-1-yl)ethyl]amino}methyl)benzoic acid chemical structure, C16H21NO2, CAS 931992-68-6](/s/KIIJRCTWRNMYKY-UHFFFAOYSA-N.svg)
4-({[2-(1-Cyclohexen-1-yl)ethyl]amino}methyl)benzoic acid
CAS 931992-68-6C16H21NO2
Hlu9mud3GH
CAS 27827-19-6C16H21NO2
![Methyl 8-benzyl-8-azabicyclo[3.2.1]octane-3-carboxylate chemical structure, C16H21NO2, CAS 179022-42-5](/s/BZZQILCSEHKVBQ-UHFFFAOYSA-N.svg)
Methyl 8-benzyl-8-azabicyclo[3.2.1]octane-3-carboxylate
CAS 179022-42-5C16H21NO2
rac Ramelteon-d3
CAS 1185146-24-0C16H21NO2
4-(4-Methylcyclohexyl)-4,5-dihydro-1,4-benzoxazepin-3(2H)-one
CAS 1340964-10-4C16H21NO2
Ethyl 2-(1-benzylpiperidin-3-ylidene)acetate
CAS 150543-49-0C16H21NO2
- Methyl 3-benzyl-3-azabicyclo[3.2.1]octane-8-carboxylate2089333-94-6C16H21NO2
- Ethyl 3-benzyl-2-cyano-3-methylpentanoate70289-04-2C16H21NO2
- 4-Pentenamide, 2-allyl-2-(p-ethoxyphenyl)-7482-97-5C16H21NO2
- (2S)-1-Naphthalen-2-yloxy-3-(propan-2-ylamino)propan-2-ol143487-96-1C16H21NO2
- Propranolol impurity 52143487-95-0C16H21NO2
- Ethyl 2-((benzyl)amino)cyclohexene-1-carboxylate38778-78-8C16H21NO2
- 8-Azabicyclo(3.2.1)octane-3-carboxylic acid, 8-methyl-2-phenyl-, methyl ester, (1R-(exo,exo))-68366-40-5C16H21NO2
- (1E)-2-Methyl-5-(4-morpholinyl)-1-phenyl-1-penten-3-one273727-90-5C16H21NO2
- Ethyl 2-((S)-1-Phenylethylamino)cyclopentene carboxylate53898-02-5C16H21NO2
- 1-Benzyl-3-piperidyl methacrylate97171-80-7C16H21NO2
- 1-Octylindoline-2,3-dione1037148-64-3C16H21NO2
- (3aS,7aS)-2-Benzyl-octahydro-1H-isoindole-3a-carboxylic acid1807938-26-6C16H21NO2
- 4-Cycloheptyl-4,5-dihydro-1,4-benzoxazepin-3(2H)-one1326937-56-7C16H21NO2
- 5-(tert-Butyl)-2-(4,4-dimethyl-4,5-dihydrooxazol-2-yl)benzaldehyde1242157-07-8C16H21NO2
- 3-(3-(Cyclohexylmethoxy)phenyl)-3-hydroxypropanenitrile1141779-32-9C16H21NO2
- 7-[Cyclohexyl(hydroxy)methyl]-1,2,3,4-tetrahydroisoquinolin-1-one1486377-47-2C16H21NO2
- Benzyl N-(trans-4-ethenylcyclohexyl)carbamate1876535-34-0C16H21NO2
- Propranolol, C-1427533-42-2C16H21NO2
- (3S,4S)-1-Benzyl-4-cyclobutylpyrrolidine-3-carboxylic acid2307779-23-1C16H21NO2
- 1-[4-[(2-Methoxyphenyl)methyl]piperidin-1-yl]prop-2-en-1-one2176544-60-6C16H21NO2
- 1-[4-[(3-Methoxyphenyl)methyl]piperidin-1-yl]prop-2-en-1-one2191110-28-6C16H21NO2
- 1-[4-[(4-Methoxyphenyl)methyl]piperidin-1-yl]prop-2-en-1-one2175508-19-5C16H21NO2
- 1-[3-[(2-Methoxyphenyl)methyl]piperidin-1-yl]prop-2-en-1-one2189107-75-1C16H21NO2
- 1-[3-[(4-Methoxyphenyl)methyl]piperidin-1-yl]prop-2-en-1-one2189108-31-2C16H21NO2
- (rac)-Remelteon-d52699607-24-2C16H21NO2
- 1-(2-Methoxyethoxymethyl)-2-[(4-methylphenyl)methyl]pyrrole79499-45-9C16H21NO2
- (5E)-5-(Butylimino)-1-phenylhexane-1,3-dione7509-97-9C16H21NO2
- Morpholine, 4-ethyl-2-((1H-inden-4(or 7)-yloxy)methyl)-71304-84-2C16H21NO2
- Methyl (1R,2R,3S,5S)-8-methyl-3-phenyl-8-azabicyclo[3.2.1]octane-2-carboxylate50370-54-2C16H21NO2
- Benzyl 2-(but-3-en-1-yl)pyrrolidine-1-carboxylate86990-52-5C16H21NO2
- 1-Benzyl-1,2,5,6-tetrahydropyridine-4-acetic acid ethyl ester40112-97-8C16H21NO2
- Dezocine impurity 5100667-16-1C16H21NO2
- Ethyl 1-benzyl-4-methyl-1,2,3,6-tetrahydropyridine-2-carboxylate127897-25-0C16H21NO2
- Methyl 2-hexyl-1H-indole-5-carboxylate190071-27-3C16H21NO2
- (2R,3aS,7aS)-Octahydro-1H-indole-2-carboxylic acid benzyl ester752955-02-5C16H21NO2
- Carbamic acid, [4-(2-cyclopenten-1-yl)phenyl]-, 1,1-dimethylethyl ester239088-82-5C16H21NO2
- 1-[(4-tert-Butylphenyl)carbonyl]piperidin-4-one1016679-73-4C16H21NO2
- N-((1r,4r)-4-Hydroxycyclohexyl)-1-phenylcyclopropanecarboxamide1329001-01-5C16H21NO2
- anti-2-Benzyl-2-azabicyclo[2.2.1]heptane-7-carboxylic acid ethyl esterC16H21NO2
- Cyclobutyl(3-(4-methoxyphenyl)pyrrolidin-1-yl)methanone1208379-64-9C16H21NO2
- rac-Methyl (3R,4R)-1-benzyl-4-cyclopropylpyrrolidine-3-carboxylate, trans2059910-54-0C16H21NO2
- Benzyl (2R,3aR,7aR)-octahydro-1H-indole-2-carboxylate760916-37-8C16H21NO2
- tert-Butyl 3-(4-cyano-2,6-dimethylphenyl)propanoate1011264-54-2C16H21NO2
- 5,6-Di(2-methylpropenyl)nicotinic acid ethyl ester1011476-36-0C16H21NO2
- 2-(2-Methylpropenyl)-6-vinylisonicotinic acid tert-butyl ester1011264-02-0C16H21NO2
- 6-Heptyloxyquinoline 1-oxide1225229-45-7C16H21NO2
- Ethyl (2Z)-2-(1-benzylpiperidin-3-ylidene)acetate203662-12-8C16H21NO2
- 2-Benzyl-9-oxa-2-azaspiro[5.5]undecan-5-one1368039-95-5C16H21NO2
- Benzyl N-[(4-methylidenecyclohexyl)methyl]carbamate1420294-78-5C16H21NO2
- 6-[2-(Piperidin-4-yl)ethyl]-3,4-dihydro-1H-isochromen-1-one1428479-70-2C16H21NO2
- N-[2-(1,3-Dioxolan-2-yl)ethyl]-N-[(4-methylphenyl)methyl]prop-2-yn-1-amine1645478-56-3C16H21NO2
- N-[(2-Hydroxy-2,3-dihydro-1H-inden-2-yl)methyl]cyclopentanecarboxamide2034406-69-2C16H21NO2
- N-[(2-Methoxy-2,3-dihydro-1H-inden-2-yl)methyl]cyclobutanecarboxamide2034409-09-9C16H21NO2
- N-(1-(2,3-Dihydrobenzofuran-5-yl)propan-2-yl)cyclobutanecarboxamide2034349-28-3C16H21NO2
- (1R,5S)-8-((2,3-Dihydrobenzofuran-5-yl)methyl)-8-azabicyclo[3.2.1]octan-3-ol2108388-81-2C16H21NO2
- N-{[2-(4-Methylphenyl)oxan-3-yl]methyl}prop-2-enamide2094143-96-9C16H21NO2
- 2-Oxa-5-azabicyclo[2.2.1]heptan-5-yl(4-(tert-butyl)phenyl)methanone2034557-81-6C16H21NO2
- ((1R,5S)-3-Methoxy-8-azabicyclo[3.2.1]octan-8-yl)(o-tolyl)methanone2320146-96-9C16H21NO2
- 3-Methyl-N-{7-oxaspiro[3.5]nonan-1-yl}benzamide2320219-84-7C16H21NO2
- N-(2,2-Dimethyl-3-phenylmethoxycyclobutyl)prop-2-enamide2128709-74-8C16H21NO2
- 3-(Benzyloxy)-1-(cyclopropylmethyl)piperidin-4-one2225136-24-1C16H21NO2
- 1-[2-[(4-Methoxyphenyl)methyl]piperidin-1-yl]prop-2-en-1-one2305396-40-9C16H21NO2
- 1-tert-Butyl-6-(4-methylphenyl)piperidine-2,4-dione400081-49-4C16H21NO2
- 1,7,7-Trimethylbicyclo[2.2.1]heptan-2-yl pyridine-3-carboxylate88382-44-9C16H21NO2
- Ethyl 1-benzyl-6-methyl-1,2,3,6-tetrahydropyridine-2-carboxylate2097950-14-4C16H21NO2
- tert-Butyl benzyl(but-3-ynyl)carbamate142301-75-5C16H21NO2
- 1-[(1-Methylethyl)amino]-3-(1-naphthalenyloxy)-1-propanol171859-98-6C16H21NO2
- 2-Ethyl-N-[(tetrahydro-2-furanyl)methyl]-3-benzofuranmethanamine1152980-50-1C16H21NO2
- 9-Benzyl-9-azabicyclo[3.3.1]nonane-3-carboxylic acid255899-89-9C16H21NO2
- N-[2-(Cyclohex-1-en-1-yl)ethyl]-2-(2-hydroxyphenyl)acetamide89240-67-5C16H21NO2
- 2-Cyclopentyl-N-[4-(prop-2-en-1-yloxy)phenyl]acetamide1354124-94-9C16H21NO2
- tert-Butyl 5-phenyl-3,6-dihydro-2H-pyridine-1-carboxylate1056971-31-3C16H21NO2
- Methyl 4-(1-cyclopropylpiperidin-4-yl)benzoate1001548-00-0C16H21NO2
- tert-Butyl 3-(4-cyano-3-methylphenyl)butanoate929202-14-2C16H21NO2
- 2-(Cyclopropylmethyl)-3-oxo-N-(2-phenylethyl)butanamide938180-75-7C16H21NO2
- 6-(3,3-Diethoxypropyl)quinoline1197377-26-6C16H21NO2
Frequently asked questions
What is the molar mass of C16H21NO2?
The molar mass of C16H21NO2 is 259.35 g/mol, calculated from standard atomic weights for 16 carbon atoms, 21 hydrogen atoms, 1 nitrogen atom and 2 oxygen atoms. The monoisotopic mass is 266.2012 Da.
How many compounds have the formula C16H21NO2?
CompoundList lists 469 compounds with the molecular formula C16H21NO2, including rel-(1R,4S,7R)-Ethyl 2-benzyl-2-azabicyclo[2.2.1]heptane-7-carboxylate, N-[2-(Allyloxy)phenyl]cyclohexanecarboxamide, 1-(4-{5-[(Propan-2-ylamino)methyl]furan-2-yl}phenyl)ethanol. 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 C16H21NO2?
C16H21NO2 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.