Molecular formula
C16H21N3O
274 compounds have this formula on CompoundList.
- Molar mass
- 271.36g/mol
- Monoisotopic mass
- 271.1685Da
- Atoms
- 41
- Elements
- 4
- Rings plus double bonds
- 8
The formula C16H21N3O describes a molecule made of 16 carbon atoms, 21 hydrogen atoms, 3 nitrogen atoms 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 × 1670.82%12.011 × 16 = 192.176 g/mol
- H Hydrogen × 217.80%1.008 × 21 = 21.168 g/mol
- N Nitrogen × 315.49%14.007 × 3 = 42.021 g/mol
- O Oxygen × 15.90%15.999 × 1 = 15.999 g/mol
Look up another formula
Compounds with the formula C16H21N3O
Isomers we list, best known first. Open one to see its structure, properties, safety data and suppliers.
Showing 201 to 274 of 274 compounds
4-(Cyclohexylmethoxy)-2-(1H-pyrazol-1-yl)aniline
CAS 2749908-79-8C16H21N3O
![N-Methyl-N-[1-(pyridin-2-yl)azetidin-3-yl]cyclohex-3-ene-1-carboxamide chemical structure, C16H21N3O, CAS 2415620-98-1](/s/ZRRSRDVUZVICBT-UHFFFAOYSA-N.svg)
N-Methyl-N-[1-(pyridin-2-yl)azetidin-3-yl]cyclohex-3-ene-1-carboxamide
CAS 2415620-98-1C16H21N3O
![N-[2-(Cyclohex-1-en-1-yl)ethyl]-5H,6H,7H-cyclopenta[c]pyridazine-3-carboxamide chemical structure, C16H21N3O, CAS 2415513-40-3](/s/LMNJELYIACCFCQ-UHFFFAOYSA-N.svg)
N-[2-(Cyclohex-1-en-1-yl)ethyl]-5H,6H,7H-cyclopenta[c]pyridazine-3-carboxamide
CAS 2415513-40-3C16H21N3O
N-(2-Cyclohexyl-1-pyrimidin-2-ylethyl)but-2-ynamide
CAS 2411221-18-4C16H21N3O
![4-(Cyclopropylmethyl)-5-methyl-1,4,8-triazatricyclo[7.5.0.03,7]tetradeca-3(7),5,8-trien-2-one chemical structure, C16H21N3O, CAS 2640951-00-2](/s/XZYPWUWBVCHCPL-UHFFFAOYSA-N.svg)
4-(Cyclopropylmethyl)-5-methyl-1,4,8-triazatricyclo[7.5.0.03,7]tetradeca-3(7),5,8-trien-2-one
CAS 2640951-00-2C16H21N3O
N-(1-Benzyl-2-methylpiperidin-4-yl)-2-cyanoacetamide
CAS 1861773-16-1C16H21N3O
![4-[2,5-Dimethyl-3-(2R)-2-piperazinyl-1H-pyrrol-1-yl]phenol chemical structure, C16H21N3O, CAS 1213899-47-8](/s/GDFPXGWYHJRUEK-INIZCTEOSA-N.svg)
4-[2,5-Dimethyl-3-(2R)-2-piperazinyl-1H-pyrrol-1-yl]phenol
CAS 1213899-47-8C16H21N3O
![1-Cyclopropyl-2-[(piperidin-3-yl)methoxy]-1H-benzimidazole chemical structure, C16H21N3O, CAS 1432059-61-4](/s/DGHHJKBBIHROLL-UHFFFAOYSA-N.svg)
1-Cyclopropyl-2-[(piperidin-3-yl)methoxy]-1H-benzimidazole
CAS 1432059-61-4C16H21N3O
N-tert-Butyl-5-(4-methoxy-2-methylphenyl)pyrimidin-2-amine
CAS 2877765-21-2C16H21N3O
![[(Z)-[(2E)-2-Benzylidenecyclooctylidene]amino]urea chemical structure, C16H21N3O, CAS 16983-73-6](/s/LLBXTCMHCXSQNS-TVYBWHDCSA-N.svg)
[(Z)-[(2E)-2-Benzylidenecyclooctylidene]amino]urea
CAS 16983-73-6C16H21N3O
1-Hexyl-3-isoquinolin-5-ylurea
CAS 581810-11-9C16H21N3O
![9-(Azepan-1-yl)-6-methoxy-5H-pyrido[2,3-c]azepine chemical structure, C16H21N3O, CAS 88609-26-1](/s/YQQDGFPKUHCUDZ-UHFFFAOYSA-N.svg)
9-(Azepan-1-yl)-6-methoxy-5H-pyrido[2,3-c]azepine
CAS 88609-26-1C16H21N3O
8-(Azepan-1-yl)-6-methoxyquinolin-7-amine
CAS 88609-35-2C16H21N3O
1-Heptyl-5-phenyl-1H-1,2,3-triazole-4-carbaldehyde
CAS 89844-82-6C16H21N3O
![1-(Cyclopropylmethyl)-3-(piperidin-4-yl)-1H-benzo[d]imidazol-2(3H)-one chemical structure, C16H21N3O, CAS 356072-81-6](/s/BJUUZXYUWFDQGG-UHFFFAOYSA-N.svg)
1-(Cyclopropylmethyl)-3-(piperidin-4-yl)-1H-benzo[d]imidazol-2(3H)-one
CAS 356072-81-6C16H21N3O
![1-(1-(2-Methylallyl)piperidin-4-yl)-1H-benzo[d]imidazol-2(3H)-one chemical structure, C16H21N3O, CAS 1197538-23-0](/s/BYNJPLZFRREYCZ-UHFFFAOYSA-N.svg)
1-(1-(2-Methylallyl)piperidin-4-yl)-1H-benzo[d]imidazol-2(3H)-one
CAS 1197538-23-0C16H21N3O
1-(4-(((1,5-Dimethyl-1H-pyrazol-4-yl)methyl)amino)phenyl)butan-1-one
CAS 1091670-55-1C16H21N3O
N~1~-(4-Methoxyphenyl)-N~2~,N~2~-dimethyl-N~1~-(pyridin-2-yl)ethane-1,2-diamine
CAS 239097-90-6C16H21N3O
4,4-Dimethyl-1-(3-methylphenyl)-2-(1H-1,2,4-triazol-1-yl)pentan-3-one
CAS 63190-77-2C16H21N3O
![5-Phenyl-3-[2-(piperidin-1-yl)ethyl]-6H-1,2,4-oxadiazine chemical structure, C16H21N3O, CAS 851265-87-7](/s/DKTMVRCAACMNJW-UHFFFAOYSA-N.svg)
5-Phenyl-3-[2-(piperidin-1-yl)ethyl]-6H-1,2,4-oxadiazine
CAS 851265-87-7C16H21N3O
![4-({3-[2-(Dimethylamino)ethyl]-1H-indol-4-yl}oxy)butanenitrile chemical structure, C16H21N3O, CAS 835871-14-2](/s/NSUNZAVTAVXVBW-UHFFFAOYSA-N.svg)
4-({3-[2-(Dimethylamino)ethyl]-1H-indol-4-yl}oxy)butanenitrile
CAS 835871-14-2C16H21N3O
![N-[1-(Aminomethyl)-2-methylcyclohexyl]-4-cyanobenzamide chemical structure, C16H21N3O, CAS 1550002-36-2](/s/WNHHKNYQCMNOQI-UHFFFAOYSA-N.svg)
N-[1-(Aminomethyl)-2-methylcyclohexyl]-4-cyanobenzamide
CAS 1550002-36-2C16H21N3O
(3S,4S)-1-Benzyl-N-(cyanomethyl)-N,4-dimethylpyrrolidine-3-carboxamide
CAS 2223267-40-9C16H21N3O
![N-Cyclohexyl-6-methoxy-5H-pyrido[2,3-c]azepin-9-amine chemical structure, C16H21N3O, CAS 88609-27-2](/s/WYXKXMIZLWDZGL-UHFFFAOYSA-N.svg)
N-Cyclohexyl-6-methoxy-5H-pyrido[2,3-c]azepin-9-amine
CAS 88609-27-2C16H21N3O
- 2-[(1-Cyclobutylpiperidin-3-yl)methoxy]pyridine-4-carbonitrile2380067-79-6C16H21N3O
- [1-(5,7-Dimethyl-1,8-naphthyridin-2-yl)piperidin-3-yl]methanol2549054-50-2C16H21N3O
- 1-[3-(2-tert-Butyl-1H-1,3-benzodiazol-1-yl)azetidin-1-yl]ethan-1-one2548987-37-5C16H21N3O
- N-tert-Butyl-1-(4-cyanophenyl)pyrrolidine-3-carboxamide2741949-10-8C16H21N3O
- 1-[1-(Oxetan-3-yl)azetidin-3-yl]-2-(propan-2-yl)-1H-1,3-benzodiazole2415525-15-2C16H21N3O
- N-[2-(4-Methoxyphenyl)ethyl]-N,5,6-trimethylpyrimidin-4-amine2770607-36-6C16H21N3O
- 2-(3-{Octahydrocyclopenta[c]pyrrol-2-yl}azetidine-1-carbonyl)pyridine2770616-00-5C16H21N3O
- 4-(3-{Octahydrocyclopenta[c]pyrrol-2-yl}azetidine-1-carbonyl)pyridine2770618-65-8C16H21N3O
- 2-(Cyclopentylmethyl)-1H,2H,7H,8H,9H,10H-pyrazino[1,2-b]indazol-1-one2770612-47-8C16H21N3O
- 1-(Azidomethyl)-8-phenyl-2-oxaspiro[4.5]decane2172216-38-3C16H21N3O
- 6-Methoxy-1,4-dimethyl-3-{[(propan-2-yl)amino]methyl}-1H-indole-2-carbonitrile2171964-89-7C16H21N3O
- 6-Ethoxy-1-methyl-3-{[(propan-2-yl)amino]methyl}-1H-indole-2-carbonitrile2172491-50-6C16H21N3O
- 4-Methoxy-4-[(3-phenyl-1H-pyrazol-4-yl)methyl]piperidine2228605-26-1C16H21N3O
- 3-Amino-3-(1-benzyl-3,5-dimethyl-1H-pyrazol-4-yl)cyclobutan-1-ol2228651-11-2C16H21N3O
- 4-Amino-4-(1-methyl-3-phenyl-1H-pyrazol-5-yl)cyclohexan-1-ol2228574-27-2C16H21N3O
- 2-(1-Benzyl-3,5-dimethyl-1H-pyrazol-4-yl)morpholine2228453-59-4C16H21N3O
- 1-Benzyl-3,5-dimethyl-4-(pyrrolidin-3-yloxy)-1H-pyrazole2228590-56-3C16H21N3O
- 4-[(1-Benzyl-1H-pyrazol-4-yl)oxy]-4-methylpiperidine2229274-46-6C16H21N3O
- 4-Methoxy-4-[(1-phenyl-1H-pyrazol-4-yl)methyl]piperidine2228383-60-4C16H21N3O
- 4-(Aminomethyl)-4-(3-phenyl-1H-pyrazol-4-yl)cyclohexan-1-ol2229112-57-4C16H21N3O
- 4-Methyl-4-[(1-methyl-3-phenyl-1H-pyrazol-5-yl)oxy]piperidine2228258-18-0C16H21N3O
- 4-(Aminomethyl)-4-(1-phenyl-1H-pyrazol-4-yl)cyclohexan-1-ol2229003-18-1C16H21N3O
- 4-Amino-4-(1-benzyl-1H-pyrazol-4-yl)cyclohexan-1-ol2228492-52-0C16H21N3O
- 3-[(1-Methyl-3-phenyl-1H-pyrazol-5-yl)methyl]piperidin-3-ol2228512-86-3C16H21N3O
- 3-[(1-Benzyl-1H-pyrazol-4-yl)methyl]piperidin-3-ol2229465-45-4C16H21N3O
- [1-(Aminomethyl)cyclobutyl](1-benzyl-1H-pyrazol-4-yl)methanol2027744-71-2C16H21N3O
- 4-[(1-Benzyl-1H-pyrazol-4-yl)methyl]piperidin-4-ol2229217-46-1C16H21N3O
- 3-[(1-Benzyl-3,5-dimethyl-1H-pyrazol-4-yl)methyl]azetidin-3-ol2229021-11-6C16H21N3O
- 4-[(1-Methyl-3-phenyl-1H-pyrazol-5-yl)methyl]piperidin-4-ol2228252-05-7C16H21N3O
- 1-Benzyl-3,5-dimethyl-4-[(3-methylazetidin-3-yl)oxy]-1H-pyrazole2228367-39-1C16H21N3O
- 3-(1-(Cyclopentylmethyl)-1H-pyrazol-4-yl)-5-methoxyaniline3078410-39-3C16H21N3O
- 3-(1-Cyclohexyl-1H-pyrazol-4-yl)-5-methoxyaniline3078404-88-0C16H21N3O
- 2-(1-(Cyclopropylmethyl)-1H-pyrazol-4-yl)-4-isopropoxyaniline3078426-91-9C16H21N3O
- 2-Methyl-3-(1-((tetrahydro-2H-pyran-4-yl)methyl)-1H-pyrazol-4-yl)aniline3078445-11-8C16H21N3O
- 2-Ethyl-4-(1-(tetrahydro-2H-pyran-4-yl)-1H-pyrazol-4-yl)aniline3078567-25-3C16H21N3O
- 1-(4-Cyanophenyl)-N-(propan-2-yl)piperidine-4-carboxamide3030870-96-0C16H21N3O
- 2-tert-Butyl-N-[(2-methoxyphenyl)methyl]pyrimidin-4-amine2396365-16-3C16H21N3O
- 2-tert-Butyl-N-[(3-methoxyphenyl)methyl]pyrimidin-4-amine2391418-58-7C16H21N3O
- 4-(1H-Indol-2-yl)-N,N-dimethylpiperidine-1-carboxamide3054408-69-1C16H21N3O
- 1-Cyclohexyl-2-imidazol-1-yl-1-pyridin-2-ylethanol749255-17-2C16H21N3O
- (R)-2,6-Diamino-N-(naphthalen-2-yl)hexanamide2182014-70-4C16H21N3O
- Methanone,(2,3-dihydro-1H-indol-5-yl)(hexahydropyrrolo[1,2-a]pyrazin-2(1H)-yl)-1182933-17-0C16H21N3O
- Methanone,(4-cyclopropyl-1-piperazinyl)(2,3-dihydro-1H-indol-5-yl)-1184086-58-5C16H21N3O
- 1-(4-(1H-Pyrazol-1-yl)benzyl)-3-methylpiperidin-3-ol1775083-92-5C16H21N3O
- 1-Cyclopentyl-N-[(2-methoxyphenyl)methyl]-1H-pyrazol-4-amineC16H21N3O
- 1-Cyclopentyl-N-[(4-methoxyphenyl)methyl]-1H-pyrazol-4-amineC16H21N3O
- 3-Cyclopropyl-N-[(4-ethoxyphenyl)methyl]-1-methyl-1H-pyrazol-5-amineC16H21N3O
- 3-(1-Benzylpiperidin-2-yl)-1-methyl-1H-pyrazol-5-ol1823993-92-5C16H21N3O
- 3-(8-Oxa-2,11-diazaspiro[5.6]dodecan-11-yl)benzonitrile1422138-76-8C16H21N3O
- 1-(2-Methoxyethyl)-4-(4-(pyrrolidin-2-yl)phenyl)-1H-pyrazole3010626-80-6C16H21N3O
Frequently asked questions
What is the molar mass of C16H21N3O?
The molar mass of C16H21N3O is 271.36 g/mol, calculated from standard atomic weights for 16 carbon atoms, 21 hydrogen atoms, 3 nitrogen atoms and 1 oxygen atom. The monoisotopic mass is 271.1685 Da.
How many compounds have the formula C16H21N3O?
CompoundList lists 274 compounds with the molecular formula C16H21N3O, including 4-(Cyclohexylmethoxy)-2-(1H-pyrazol-1-yl)aniline, N-Methyl-N-[1-(pyridin-2-yl)azetidin-3-yl]cyclohex-3-ene-1-carboxamide, N-[2-(Cyclohex-1-en-1-yl)ethyl]-5H,6H,7H-cyclopenta[c]pyridazine-3-carboxamide. 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 C16H21N3O?
C16H21N3O has a degree of unsaturation of 8. 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.