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 301 to 400 of 469 compounds
N-(3,4-Dimethylphenyl)-N-(oxan-4-yl)prop-2-enamide
CAS 2361641-31-6C16H21NO2
![3-(Dimethylamino)-1-[3-(phenylmethoxy)cyclobutyl]-2-propen-1-one chemical structure, C16H21NO2, CAS 2127110-71-6](/s/NKTXUOMRSVDPTR-UHFFFAOYSA-N.svg)
3-(Dimethylamino)-1-[3-(phenylmethoxy)cyclobutyl]-2-propen-1-one
CAS 2127110-71-6C16H21NO2
![N-[2-(3-Methylphenoxy)cyclohexyl]prop-2-enamide chemical structure, C16H21NO2, CAS 2411313-26-1](/s/HJVYJPGIICTQIS-UHFFFAOYSA-N.svg)
N-[2-(3-Methylphenoxy)cyclohexyl]prop-2-enamide
CAS 2411313-26-1C16H21NO2
![Benzyl 9-azabicyclo[3.3.1]nonane-9-carboxylate chemical structure, C16H21NO2, CAS 2160508-36-9](/s/VDABMMGNMSRJDF-UHFFFAOYSA-N.svg)
Benzyl 9-azabicyclo[3.3.1]nonane-9-carboxylate
CAS 2160508-36-9C16H21NO2
N-Benzyl-N-cyclohexyloxirane-2-carboxamide
CAS 2411263-84-6C16H21NO2
![N-[1-(3-Hydroxyphenyl)ethyl]-N-[(1-methylcyclopropyl)methyl]prop-2-enamide chemical structure, C16H21NO2, CAS 2411219-54-8](/s/NHRHJJMECOBVOW-UHFFFAOYSA-N.svg)
N-[1-(3-Hydroxyphenyl)ethyl]-N-[(1-methylcyclopropyl)methyl]prop-2-enamide
CAS 2411219-54-8C16H21NO2
![1-[5-(Hydroxymethyl)-2-methylpiperidin-1-yl]-3-phenylprop-2-en-1-one chemical structure, C16H21NO2, CAS 2064225-95-0](/s/DVNGUPDKCLBDGO-UHFFFAOYSA-N.svg)
1-[5-(Hydroxymethyl)-2-methylpiperidin-1-yl]-3-phenylprop-2-en-1-one
CAS 2064225-95-0C16H21NO2
1-Amino-6-cyclohexyl-2,3-dihydro-1H-indene-1-carboxylic acid
CAS 1337425-53-2C16H21NO2
2,4-Dimethylpentan-3-yl cyano(phenyl)acetate
CAS 1107634-45-6C16H21NO2
Octahydro-2H-quinolizin-2-yl benzoate
CAS 32153-19-8C16H21NO2
![N-[(1-Phenylcyclohexyl)methyl]oxirane-2-carboxamide chemical structure, C16H21NO2, CAS 2411217-38-2](/s/KRSWODCVQDJGNT-UHFFFAOYSA-N.svg)
N-[(1-Phenylcyclohexyl)methyl]oxirane-2-carboxamide
CAS 2411217-38-2C16H21NO2
N-(2-Phenylcycloheptyl)oxirane-2-carboxamide
CAS 2411256-78-3C16H21NO2
![7-Benzyl-7-azaspiro[3.5]nonane-1-carboxylic acid chemical structure, C16H21NO2, CAS 2306265-64-3](/s/NIMJNIRDBCLORN-UHFFFAOYSA-N.svg)
7-Benzyl-7-azaspiro[3.5]nonane-1-carboxylic acid
CAS 2306265-64-3C16H21NO2
![Benzoic acid, 4-[(2S,4S)-4-cyclopropyl-2-piperidinyl]-, methyl ester chemical structure, C16H21NO2, CAS 2940869-17-8](/s/RIFPZHGWBACCGL-GJZGRUSLSA-N.svg)
Benzoic acid, 4-[(2S,4S)-4-cyclopropyl-2-piperidinyl]-, methyl ester
CAS 2940869-17-8C16H21NO2
3alpha-Phenylacetoxy Tropane-d5
CAS 2124296-39-3C16H21NO2
Ethyl 2-(5-isopropyl-2-methyl-1H-indol-3-yl)acetate
CAS 221188-93-8C16H21NO2
![(1R,2S,3S,5S)-8-Methyl-3-(p-tolyl)-8-azabicyclo[3.2.1]octane-2-carboxylic acid chemical structure, C16H21NO2, CAS 141807-59-2](/s/MYCPSKUEXLCUFX-YJNKXOJESA-N.svg)
(1R,2S,3S,5S)-8-Methyl-3-(p-tolyl)-8-azabicyclo[3.2.1]octane-2-carboxylic acid
CAS 141807-59-2C16H21NO2
![Benzyl N-[2-(cyclohex-1-en-1-yl)ethyl]carbamate chemical structure, C16H21NO2, CAS 245321-69-1](/s/VHTNWNLEXOTPKK-UHFFFAOYSA-N.svg)
Benzyl N-[2-(cyclohex-1-en-1-yl)ethyl]carbamate
CAS 245321-69-1C16H21NO2
Benzyl 2-(prop-2-en-1-yl)piperidine-1-carboxylate
CAS 493009-89-5C16H21NO2
![4'-Methoxy-2-[(propan-2-yl)amino]-5,6-dihydro[1,1'-biphenyl]-3(4H)-one chemical structure, C16H21NO2, CAS 75682-62-1](/s/DKXVILNAIQCMEB-UHFFFAOYSA-N.svg)
4'-Methoxy-2-[(propan-2-yl)amino]-5,6-dihydro[1,1'-biphenyl]-3(4H)-one
CAS 75682-62-1C16H21NO2
Benzyl (2S,3aR,7aR)-octahydro-1H-indole-2-carboxylate
CAS 107081-15-2C16H21NO2
(3Z)-3-(Octylimino)-2-benzofuran-1(3H)-one
CAS 103606-40-2C16H21NO2
tert-Butyl N-(1-phenylpent-4-yn-1-yl)carbamate
CAS 252865-29-5C16H21NO2
1-Cyanooctyl benzoate
CAS 115393-18-5C16H21NO2
- 6,7-Diisopropoxynaphthalen-1-amine142886-88-2C16H21NO2
- Ethyl spiro[1,2-dihydroindene-3,4'-piperidine]-1-carboxylate164329-23-1C16H21NO2
- 5-Octylindoline-2,3-dione169037-32-5C16H21NO2
- Ethyl 2-[(3Z)-1-benzylpiperidin-3-ylidene]acetateC16H21NO2
- 5-(3-Methoxyphenyl)-2-methyl-2-azabicyclo[3.3.1]nonan-9-one88550-34-9C16H21NO2
- N-(4-Ethoxy-3-methoxyphenyl)bicyclo[3.2.0]hept-3-en-6-amine1218336-18-5C16H21NO2
- 2,2-Dimethoxy-N-(1-(naphthalen-1-yl)ethyl)ethan-1-amine1179073-83-6C16H21NO2
- 4-Morpholin-4-yl-4-phenylcyclohexan-1-one1004548-07-5C16H21NO2
- 3-(Cyclopropylmethyl)-3-(3-methoxyphenyl)-1-methylpyrrolidin-2-one275808-70-3C16H21NO2
- 2-({[(4-Acetylphenyl)methyl]amino}methyl)cyclohexan-1-one89787-27-9C16H21NO2
- 2-[5-Acetyl-2-(dimethylamino)phenyl]cyclohexan-1-one89787-31-5C16H21NO2
- 3-[(3-tert-Butyl-4-methoxyphenyl)methylidene]pyrrolidin-2-one103223-56-9C16H21NO2
- 2-Octyl-4H-3,1-benzoxazin-4-one144080-38-6C16H21NO2
- 2-(Piperidin-1-yl)ethyl 3-phenylprop-2-enoate54971-48-1C16H21NO2
- 1-Pentyl-4-phenylpiperidine-2,6-dione54946-30-4C16H21NO2
- 2-(3,5-Dimethylphenoxy)-N-(2-methylbut-3-yn-2-yl)propanamide64728-59-2C16H21NO2
- Benzyl 2-(prop-1-en-1-yl)piperidine-1-carboxylate651321-55-0C16H21NO2
- 1-(4-{2-[Di(prop-2-en-1-yl)amino]ethoxy}phenyl)ethan-1-one62416-91-5C16H21NO2
- 2-Cyclohexylphenyl prop-1-en-1-ylcarbamate88309-96-0C16H21NO2
- 1-Benzyl-6-methylazonane-2,5-dione88187-37-5C16H21NO2
- 2-Cyano-4-heptylphenyl acetate88134-03-6C16H21NO2
- 1-(5,7-Dimethoxy-3,4-dihydronaphthalen-2-yl)pyrrolidine87656-90-4C16H21NO2
- (4S,9aS)-4-(4-Methoxyphenyl)octahydro-2H-quinolizin-2-one86933-77-9C16H21NO2
- 2,4,4-Trimethylpentyl 4-cyanobenzoate86590-88-7C16H21NO2
- Ethyl 2-(1-anilinoethylidene)hex-5-enoate833461-24-8C16H21NO2
- 3-(4-Methoxyphenyl)-1-(piperidin-1-yl)but-2-en-1-one90316-41-9C16H21NO2
- 4-Benzyl-1-(2-oxopentan-3-yl)pyrrolidin-2-one925246-44-2C16H21NO2
- 2-Benzyl-2-azaspiro[4.4]nonane-7-carboxylic acid1420815-57-1C16H21NO2
- tert-Butyl N-(1-phenylpent-4-yn-2-yl)carbamate2353921-58-9C16H21NO2
- Methyl 1-(5,6,7,8-tetrahydronaphthalen-2-yl)pyrrolidine-3-carboxylate1553132-21-0C16H21NO2
- 2-(1-Oxopentyl)-4-(4-pyridinyl)cyclohexanone117960-62-0C16H21NO2
- Ethyl 3-benzyl-5-methyl-3-azabicyclo[3.1.0]hexane-1-carboxylate1536392-93-4C16H21NO2
- 1-Hydroxy-N-(1,2,3,4-tetrahydronaphthalen-1-yl)cyclopentane-1-carboxamide2069318-19-8C16H21NO2
- Ethyl 4-(4-cyclopropylphenyl)pyrrolidine-3-carboxylate1772254-03-1C16H21NO2
- 2-[(9R)-9-(Pyridin-2-yl)-6-oxaspiro[4.5]decan-9-yl]acetaldehyde1401031-28-4C16H21NO2
- Rac-(5R,6S)-2-benzyl-2-azaspiro[4.4]nonane-6-carboxylic acid2177264-74-1C16H21NO2
- (3,4-Dihydroisoquinolin-2(1H)-yl)(1-hydroxycyclohexyl)methanone2124383-61-3C16H21NO2
- Benzyl 3-(prop-2-en-1-yl)piperidine-1-carboxylate1374656-34-4C16H21NO2
- Benzyl N-cyclopentyl-N-(prop-2-en-1-yl)carbamate1882358-52-2C16H21NO2
- 1-(2-(1,3-Dioxolan-2-yl)ethyl)-3,3-dimethyl-2-methyleneindoline1397291-89-2C16H21NO2
- 1-(2,5-Dimethylphenyl)-3-propanoylpiperidin-2-one2059926-81-5C16H21NO2
- 1-(3-Methylphenyl)-3-(2-methylpropanoyl)piperidin-2-one2060057-79-4C16H21NO2
- 1-(2-Methylphenyl)-3-(2-methylpropanoyl)piperidin-2-one2060029-42-5C16H21NO2
- 1-(2,3-Dimethylphenyl)-3-propanoylpiperidin-2-one2060057-84-1C16H21NO2
- 1-(2,4-Dimethylphenyl)-3-propanoylpiperidin-2-one2060020-70-2C16H21NO2
- 1-(3,4-Dimethylphenyl)-3-propanoylpiperidin-2-one2060035-82-5C16H21NO2
- 1-(4-Methylphenyl)-3-(2-methylpropanoyl)piperidin-2-one2060048-17-9C16H21NO2
- 1-(3,5-Dimethylphenyl)-3-propanoylpiperidin-2-one2059966-60-6C16H21NO2
- 1-(4-Ethylphenyl)-3-propanoylpiperidin-2-one2059933-05-8C16H21NO2
- 1-(2-Ethylphenyl)-3-propanoylpiperidin-2-one2060029-91-4C16H21NO2
- 1-(3-Ethylphenyl)-3-propanoylpiperidin-2-one2060007-97-6C16H21NO2
- Benzyl N-[1-(prop-2-en-1-yl)cyclopentyl]carbamate1621185-34-9C16H21NO2
- N-(3-Hydroxypropyl)-N-(1,2,3,4-tetrahydronaphthalen-1-yl)prop-2-enamide2411267-79-1C16H21NO2
- (1S,5R)-tert-Butyl 1-phenyl-3-aza-bicyclo[3.1.0]hexane-3-carboxylate2820250-01-7C16H21NO2
- 4-(1-(Cyclopropylmethyl)piperidin-4-yl)benzoic acid2989086-85-1C16H21NO2
- 4-[4-(Dimethoxymethyl)cyclohexyl]benzonitrile1169982-53-9C16H21NO2
- 4-Amino-5-cyclohexyl-2,3-dihydro-1H-indene-1-carboxylic acid40452-40-2C16H21NO2
- 1-Benzyl-4-(prop-2-en-1-yl)piperidine-4-carboxylic acid2138148-86-2C16H21NO2
- 1-[4-(2,3-Dimethylphenyl)-1,2,3,6-tetrahydropyridin-1-yl]-2-methoxyethan-1-one2137623-82-4C16H21NO2
- 1-Benzyl-5-(oxan-4-yl)pyrrolidin-3-one2138532-35-9C16H21NO2
- 4'-Amino-5'-methyl-3',4'-dihydro-2'H-spiro[cyclopentane-1,1'-naphthalene]-7'-carboxylic acid2172519-75-2C16H21NO2
- rac-Ethyl (3R,4S)-4-(4-cyclopropylphenyl)pyrrolidine-3-carboxylate2227884-09-3C16H21NO2
- 4-(4-Cyclopropylphenyl)-1-ethylpyrrolidine-3-carboxylic acid2172137-34-5C16H21NO2
- 4'-Amino-3',4'-dihydro-2'H-spiro[cyclohexane-1,1'-naphthalene]-7'-carboxylic acid2172130-18-4C16H21NO2
- 4'-Amino-7'-methyl-3',4'-dihydro-2'H-spiro[cyclopentane-1,1'-naphthalene]-5'-carboxylic acid2172178-79-7C16H21NO2
- Ethyl 2-[(3E)-1-benzyl-4-methylpyrrolidin-3-ylidene]acetate2172630-29-2C16H21NO2
- 8-Benzyl-9-hydroxy-8-azaspiro[4.5]decan-7-one2171966-33-7C16H21NO2
- 4'-Amino-3',4'-dihydro-2'H-spiro[cyclohexane-1,1'-naphthalene]-5'-carboxylic acid2171821-15-9C16H21NO2
- 2-Amino-2-[1-(1-phenylcyclopentyl)cyclopropyl]acetic acid2228110-98-1C16H21NO2
- tert-Butyl N-[5-(but-3-yn-1-yl)-2-methylphenyl]carbamate2228500-18-1C16H21NO2
- tert-Butyl N-[4-(but-3-yn-1-yl)-2-methylphenyl]carbamate2228376-34-7C16H21NO2
- tert-Butyl N-[5-(but-3-yn-2-yl)-2-methylphenyl]carbamate2228576-35-8C16H21NO2
- tert-Butyl 2-(1,2,3,6-tetrahydropyridin-4-yl)benzoate2803851-34-3C16H21NO2
- tert-Butyl N-[4-(but-3-yn-2-yl)-2-methylphenyl]carbamate2229177-25-5C16H21NO2
- tert-Butyl N-(3-ethynylphenyl)-N-(propan-2-yl)carbamate2680704-28-1C16H21NO2
- 2-(1-Benzylpiperidin-3-yl)cyclopropane-1-carboxylic acid1824012-36-3C16H21NO2
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 N-(3,4-Dimethylphenyl)-N-(oxan-4-yl)prop-2-enamide, 3-(Dimethylamino)-1-[3-(phenylmethoxy)cyclobutyl]-2-propen-1-one, N-[2-(3-Methylphenoxy)cyclohexyl]prop-2-enamide. 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.