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 101 to 200 of 274 compounds
N-(1-Cyanocycloheptyl)-2-(phenylamino)acetamide
CAS 1211752-51-0C16H21N3O
![N-(1-Cyanocyclopentyl)-2-[(3,5-dimethylphenyl)amino]acetamide chemical structure, C16H21N3O, CAS 1209266-85-2](/s/CEDDAIOALDNMFC-UHFFFAOYSA-N.svg)
N-(1-Cyanocyclopentyl)-2-[(3,5-dimethylphenyl)amino]acetamide
CAS 1209266-85-2C16H21N3O
![N-(1-Cyano-1-cyclopropylethyl)-2-[(3,5-dimethylphenyl)amino]acetamide chemical structure, C16H21N3O, CAS 1209537-78-9](/s/YJYVBXWNYFMBPU-UHFFFAOYSA-N.svg)
N-(1-Cyano-1-cyclopropylethyl)-2-[(3,5-dimethylphenyl)amino]acetamide
CAS 1209537-78-9C16H21N3O
![N-(1-Cyanocyclopentyl)-2-[(4-ethylphenyl)amino]acetamide chemical structure, C16H21N3O, CAS 1209901-24-5](/s/XCXNMSIRRKAZJE-UHFFFAOYSA-N.svg)
N-(1-Cyanocyclopentyl)-2-[(4-ethylphenyl)amino]acetamide
CAS 1209901-24-5C16H21N3O
N-(1-Cyano-1-cyclopropylethyl)-2-(2,3-dimethylanilino)acetamide
CAS 1181533-25-4C16H21N3O
![N-(1-Cyano-1-cyclopropylethyl)-2-[(2,4-dimethylphenyl)amino]acetamide chemical structure, C16H21N3O, CAS 1209226-58-3](/s/ZUUQXTLLOGISHM-UHFFFAOYSA-N.svg)
N-(1-Cyano-1-cyclopropylethyl)-2-[(2,4-dimethylphenyl)amino]acetamide
CAS 1209226-58-3C16H21N3O
![N-(1-Cyano-1-cyclopropylethyl)-2-[(2,5-dimethylphenyl)amino]acetamide chemical structure, C16H21N3O, CAS 1181490-18-5](/s/RLMXMVRRFRHIEV-UHFFFAOYSA-N.svg)
N-(1-Cyano-1-cyclopropylethyl)-2-[(2,5-dimethylphenyl)amino]acetamide
CAS 1181490-18-5C16H21N3O
![N-((4-(1H-Benzo[d]imidazol-2-yl)cyclohexyl)methyl)acetamide chemical structure, C16H21N3O, CAS 1235266-81-5](/s/OLYOQBCUANIREH-UHFFFAOYSA-N.svg)
N-((4-(1H-Benzo[d]imidazol-2-yl)cyclohexyl)methyl)acetamide
CAS 1235266-81-5C16H21N3O
![N-[2-(3,5-Dimethyl-1H-pyrazol-1-yl)ethyl]-2,4-dimethylbenzamide chemical structure, C16H21N3O, CAS 1235262-96-0](/s/RQGZQEHOILZDKL-UHFFFAOYSA-N.svg)
N-[2-(3,5-Dimethyl-1H-pyrazol-1-yl)ethyl]-2,4-dimethylbenzamide
CAS 1235262-96-0C16H21N3O
N-(2-(3,5-Dimethyl-1H-pyrazol-1-yl)ethyl)-2-(m-tolyl)acetamide
CAS 1324564-95-5C16H21N3O
![N-(1-Cyanocyclopentyl)-2-[(3,4-dimethylphenyl)amino]acetamide chemical structure, C16H21N3O, CAS 1311828-98-4](/s/HVSYXWFFRTXVKU-UHFFFAOYSA-N.svg)
N-(1-Cyanocyclopentyl)-2-[(3,4-dimethylphenyl)amino]acetamide
CAS 1311828-98-4C16H21N3O
![N-(Cyanomethyl)-2-{[1-(3-methylphenyl)cyclopentyl]amino}acetamide chemical structure, C16H21N3O, CAS 1355672-81-9](/s/NPDAVFFNIGRCBH-UHFFFAOYSA-N.svg)
N-(Cyanomethyl)-2-{[1-(3-methylphenyl)cyclopentyl]amino}acetamide
CAS 1355672-81-9C16H21N3O
![Methanone,1H-indol-5-yl[4-(1-methylethyl)-1-piperazinyl]- chemical structure, C16H21N3O, CAS 957621-43-1](/s/PALZFDLOBKRUTF-UHFFFAOYSA-N.svg)
Methanone,1H-indol-5-yl[4-(1-methylethyl)-1-piperazinyl]-
CAS 957621-43-1C16H21N3O
(S)-2-Amino-N-(2-cyano-benzyl)-N-cyclopropyl-3-methyl-butyramide
CAS 1354015-90-9C16H21N3O
(S)-2-Amino-N-(4-cyano-benzyl)-N-cyclopropyl-3-methyl-butyramide
CAS 1353996-37-8C16H21N3O
(S)-2-Amino-N-(3-cyano-benzyl)-N-cyclopropyl-3-methyl-butyramide
CAS 1354020-50-0C16H21N3O
(S)-2-Amino-N-isopropyl-N-isoquinolin-1-ylmethyl-propionamide
CAS 1354019-16-1C16H21N3O
2-Amino-5-cyclobutyl-5-phenyl-3-propyl-3,5-dihydro-4H-imidazol-4-one
CAS 922497-33-4C16H21N3O
![N-(1H-Imidazol-2-yl)-2-[4-(2-methylpropyl)phenyl]propanamide chemical structure, C16H21N3O, CAS 1401576-17-7](/s/HRCWWYHOLNZFTF-UHFFFAOYSA-N.svg)
N-(1H-Imidazol-2-yl)-2-[4-(2-methylpropyl)phenyl]propanamide
CAS 1401576-17-7C16H21N3O
1-(4-(3,4-Dihydroisoquinolin-2(1H)-yl)but-2-yn-1-yl)-3-ethylurea
CAS 1351594-92-7C16H21N3O
![N-Methyl-1-(prop-2-yn-1-yl)-N-[(pyridin-2-yl)methyl]piperidine-4-carboxamide chemical structure, C16H21N3O, CAS 1428001-63-1](/s/XUDACMZHMQFCKR-UHFFFAOYSA-N.svg)
N-Methyl-1-(prop-2-yn-1-yl)-N-[(pyridin-2-yl)methyl]piperidine-4-carboxamide
CAS 1428001-63-1C16H21N3O
![N-[Cyano(cyclohexyl)methyl]-3-pyridin-2-ylpropanamide chemical structure, C16H21N3O, CAS 1436089-99-4](/s/ZHZQQDDGESZGKH-UHFFFAOYSA-N.svg)
N-[Cyano(cyclohexyl)methyl]-3-pyridin-2-ylpropanamide
CAS 1436089-99-4C16H21N3O
1-Ethyl-3-(piperazin-1-ylmethyl)quinolin-2(1H)-one
CAS 1437435-80-7C16H21N3O
5-((Dimethylamino)methyl)-N-(4-methoxybenzyl)pyridin-3-amine
CAS 1428065-56-8C16H21N3O
- N-(Cyanomethyl)-2-[(2,2-dimethyl-3,4-dihydro-1H-naphthalen-1-yl)amino]acetamide1645430-47-2C16H21N3O
- 2-(Azetidine-1-carbonyl)-3-(2,5-dimethyl-1-propyl-1H-pyrrol-3-yl)prop-2-enenitrile1798406-64-0C16H21N3O
- N-(2-(4-Phenyl-1H-pyrazol-1-yl)ethyl)pivalamide2034377-13-2C16H21N3O
- Cyclohex-3-en-1-yl(2-cyclopropyl-6,7-dihydropyrazolo[1,5-a]pyrazin-5(4H)-yl)methanone2034293-68-8C16H21N3O
- N-{[1-(3-Methylbutyl)-1H-indazol-3-yl]methyl}prop-2-enamide2094412-41-4C16H21N3O
- 2-{[2-(Dimethylamino)cyclopentyl]oxy}-5H,6H,7H-cyclopenta[b]pyridine-3-carbonitrile2199591-88-1C16H21N3O
- N-(4-Amino-2-methylquinolin-6-yl)hexanamide7596-35-2C16H21N3O
- 2-[Benzyl(methyl)amino]-N-(1-cyanocyclopentyl)acetamide1037908-30-7C16H21N3O
- Isonicotinic acid, 3-thujylidenehydrazide15885-67-3C16H21N3O
- Isonicotinic acid, 2-bornylidenehydrazide15885-69-5C16H21N3O
- 4-(3-Methyl-6,7,8,9-tetrahydro-5H-pyrido[4,3-b]indol-1-yl)morpholine61191-09-1C16H21N3O
- N-[(4-Methyl-3-oxo-3lambda~5~-quinazolin-2-yl)methyl]cyclohexanamine63362-26-5C16H21N3O
- 1-[2-Amino-2-[4-(2-methylpropyl)phenyl]ethyl]-2(1H)-pyrimidinone954265-30-6C16H21N3O
- 1-(1H-Indol-3-yl)-3-(2-methylcyclohexyl)urea941968-47-4C16H21N3O
- 1-Cyclohexyl-3-(1-methyl-1H-indol-3-yl)urea941987-84-4C16H21N3O
- 1-Cyclopentyl-N-(3-methoxyphenyl)-1H-pyrazole-3-methanamine1006433-94-8C16H21N3O
- N,N,2-Trimethyl-2-(4-methyl-3-phenyl-1H-pyrazol-1-yl)propanamide59844-36-9C16H21N3O
- N-Ethyl-N-methyl-2-(4-methyl-3-phenyl-1H-pyrazol-1-yl)propanamide59844-52-9C16H21N3O
- N,N,alpha,4,5-Pentamethyl-3-phenyl-1H-pyrazole-1-acetamide59843-48-0C16H21N3O
- N,N-Dimethyl-2-[4-methyl-3-(2-methylphenyl)pyrazol-1-yl]propanamide59843-74-2C16H21N3O
- 4-(4-Benzyl-5-methyl-1H-pyrazole-3(2H)-on-2-yl)-piperidine301220-56-4C16H21N3O
- 1-{4-[(3-Amino-4,6-dimethyl-2-pyridinyl)amino]phenyl}-2-propanol415907-66-3C16H21N3O
- 2-Cyano-3-(1-cyclopropyl-2,5-dimethyl-1H-pyrrol-3-yl)-N-(propan-2-yl)prop-2-enamide1016381-91-1C16H21N3O
- 7-Amino-N-5-quinolinylheptanamide1016747-52-6C16H21N3O
- N-(1-Cyanocyclopentyl)-2-[(2,3-dimethylphenyl)amino]acetamide1211168-69-2C16H21N3O
- N-(1-Cyanocyclopentyl)-2-[(2,4-dimethylphenyl)amino]acetamide1211203-73-4C16H21N3O
- N-(1-Cyanocyclopentyl)-2-[(2,5-dimethylphenyl)amino]acetamide1210654-48-0C16H21N3O
- N-(1-Cyanocyclopentyl)-2-[(2-ethylphenyl)amino]acetamide1211821-50-9C16H21N3O
- N-(1-Cyanocyclobutyl)-4-[ethyl(methyl)amino]-N-methylbenzamide1258658-14-8C16H21N3O
- 1-Methyl-3-(((4-methylbenzyl)oxy)methyl)-4,5,6,7-tetrahydro-1H-pyrazolo[4,3-c]pyridine1306739-01-4C16H21N3O
- 1-Methyl-3-(((2-methylbenzyl)oxy)methyl)-4,5,6,7-tetrahydro-1H-pyrazolo[4,3-c]pyridine1306738-40-8C16H21N3O
- (S)-2-Amino-N-isoquinolin-1-ylmethyl-3,N-dimethyl-butyramide1354016-95-7C16H21N3O
- 3-(2-(Dimethylamino)ethoxy)-5-(2-methylpyridin-4-yl)benzenamine1240524-71-3C16H21N3O
- 4-(2-(tert-Butyl)quinazolin-4-yl)morpholine1256556-22-5C16H21N3O
- 2,2-Dimethyl-1-(3-(5-methyl-1H-benzo[d]imidazol-2-yl)azetidin-1-yl)propan-1-one1396886-01-3C16H21N3O
- N-(3-Amino-3-phenylpropyl)-1-ethyl-1H-pyrrole-2-carboxamide1541978-04-4C16H21N3O
- 4-Methoxy-2-(9-methyl-3,9-diazabicyclo[4.2.1]nonan-3-yl)benzonitrile1518000-46-8C16H21N3O
- 3-[(Hexahydropyrrolo[1,2-a]pyrazin-2(1H)-yl)methyl]-4-methoxybenzonitrile1517033-13-4C16H21N3O
- Cyclohex-3-en-1-yl(3,4,8,9-tetrahydro-1H-cyclopenta[3,4]pyrazolo[1,5-a]pyrazin-2(7H)-yl)methanone2034509-75-4C16H21N3O
- 1-Benzyl-N-(1-cyanoethyl)piperidine-2-carboxamide2093500-08-2C16H21N3O
- 1-Cyclopentyl-N-[(3-methoxyphenyl)methyl]-1H-pyrazol-4-amine1856033-53-8C16H21N3O
- N,N-Dimethyl-4-(quinazolin-4-yloxy)cyclohexan-1-amine1101428-93-6C16H21N3O
- 1-(5,6-Dimethylpyridine-2-carbonyl)-3,3-dimethylpiperidine-2-carbonitrile2124505-69-5C16H21N3O
- N-(4-{Octahydropyrrolo[1,2-a]piperazin-2-yl}phenyl)prop-2-enamide2361639-39-4C16H21N3O
- 7-(2,6-Dimethylmorpholin-4-yl)-2,4-dimethyl-1,8-naphthyridine2549032-45-1C16H21N3O
- 1-({1-[(3-Methoxyphenyl)methyl]azetidin-3-yl}methyl)-4-methyl-1H-pyrazole2549052-54-0C16H21N3O
- 1-Methyl-4-{[3-(4-methylphenyl)-1,2,4-oxadiazol-5-yl]methyl}piperidine2640830-51-7C16H21N3O
- 5-[[1-(Cyclopropylmethyl)aziridin-2-yl]methoxy]-1,2-dimethylbenzimidazole2411241-73-9C16H21N3O
- N1-(7-Methoxy-1,2,3,4-tetrahydroacridin-9-yl)ethane-1,2-diamine1432502-84-5C16H21N3O
- N'-(3,7-Dimethylocta-2,6-dien-1-ylidene)pyridine-4-carbohydrazideC16H21N3O
- 1-Cycloheptyl-3-(1H-indol-3-yl)urea941987-54-8C16H21N3O
- 2-(2-(Diethylamino)ethyl)-6-phenylpyridazin-3(2H)-one895-54-5C16H21N3O
- N-[(E)-[(2Z)-3,7-Dimethylocta-2,6-dienylidene]amino]pyridine-4-carboxamideC16H21N3O
- Pyrido[3,2-f]quinoxaline, 10-ethoxy-7,8,9,10-tetrahydro-2,3,8-trimethyl-190430-96-7C16H21N3O
- N,N-Diethyl-3,5-dimethyl-2-oxo-6-phenyl-2lambda~5~-pyridazin-4-amine60325-93-1C16H21N3O
- 5-[(1-Cyclobutyl-3-piperidinyl)oxy]-1H-indazole478833-35-1C16H21N3O
- 1-(1-(Cyclopropylmethyl)piperidin-4-yl)-1H-benzo[d]imidazol-2(3H)-one198969-70-9C16H21N3O
- 1-Acetyl-4-[[(3-methylphenyl)methyl]amino]-4-piperidinecarbonitrile1018244-56-8C16H21N3O
- Acetamide, 2-(butylcyclopropylamino)-N-(4-cyanophenyl)-1308649-64-0C16H21N3O
- N2-Methyl-6-(2-methylpropoxy)-N2-phenyl-2,5-pyridinediamine1095033-61-6C16H21N3O
- N-[(Oxolan-2-yl)(1-phenyl-1H-pyrazol-4-yl)methyl]ethanamine1153445-38-5C16H21N3O
- I+/--(2,3-Dihydro-2-benzofuranyl)-N-propyl-1H-imidazole-2-ethanamine1174161-96-6C16H21N3O
- N-((2-(2-Ethyl-2H-indazol-4-yl)cyclopropyl)methyl)propionamide1079992-13-4C16H21N3O
- N-Methyl-2-(1-(piperidin-4-yl)-1H-indol-6-yl)acetamide479209-96-6C16H21N3O
- 1-(1-Cyclobutylpiperidin-4-yl)-1H-benzo[d]imidazol-2(3H)-one2956042-94-5C16H21N3O
- 2-Amino-5-cyclopentyl-3-ethyl-5-phenyl-3,5-dihydro-4H-imidazol-4-one922497-32-3C16H21N3O
- 3-Ethyl-7-(1-piperazinylmethyl)-2(1H)-quinolinone2827008-30-8C16H21N3O
- 4-Amino-N,8-dipropyl-3-quinolinecarboxamide113515-75-6C16H21N3O
- 2-(2-Phenyl-1-oxa-4,9-diazaspiro[5.5]undecan-4-yl)acetonitrile1400642-67-2C16H21N3O
- 2,3-Dihydro-3-methyl-5-[2-(1-methyl-1H-imidazol-5-yl)ethyl]-1H-indole-3-methanol1609267-12-0C16H21N3O
- 3-((1H-Pyrrolo[2,3-b]pyridin-4-yl)methyl)-1-oxa-8-azaspiro[4.5]decane2061398-88-5C16H21N3O
- 3,4-Dihydro-N-(1-methyl-4-piperidinyl)-5-isoquinolinecarboxamide1629982-76-8C16H21N3O
- 3,4-Dihydro-5-[4-(3-oxetanyl)-1-piperazinyl]isoquinoline1629982-90-6C16H21N3O
- 1-(6-Ethylpyridine-2-carbonyl)-3,3-dimethylpiperidine-2-carbonitrile2224121-23-5C16H21N3O
- 2-[(1-But-3-enylpiperidin-3-yl)methoxy]pyridine-4-carbonitrile2380042-67-9C16H21N3O
- 1-{3-[2-(Propan-2-yl)-1H-1,3-benzodiazol-1-yl]azetidin-1-yl}propan-1-one2415469-22-4C16H21N3O
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 N-(1-Cyanocycloheptyl)-2-(phenylamino)acetamide, N-(1-Cyanocyclopentyl)-2-[(3,5-dimethylphenyl)amino]acetamide, N-(1-Cyano-1-cyclopropylethyl)-2-[(3,5-dimethylphenyl)amino]acetamide. 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.