Molecular formula
C16H21N3O3
387 compounds have this formula on CompoundList.
- Molar mass
- 303.36g/mol
- Monoisotopic mass
- 309.1960Da
- Atoms
- 43
- Elements
- 4
- Rings plus double bonds
- 8
The formula C16H21N3O3 describes a molecule made of 16 carbon atoms, 21 hydrogen atoms, 3 nitrogen atoms and 3 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 × 1663.35%12.011 × 16 = 192.176 g/mol
- H Hydrogen × 216.98%1.008 × 21 = 21.168 g/mol
- N Nitrogen × 313.85%14.007 × 3 = 42.021 g/mol
- O Oxygen × 315.82%15.999 × 3 = 47.997 g/mol
Look up another formula
Compounds with the formula C16H21N3O3
Isomers we list, best known first. Open one to see its structure, properties, safety data and suppliers.
Showing 201 to 300 of 387 compounds
3-Ethoxy-N-(4-ethoxyphenyl)-1-ethyl-1H-pyrazole-4-carboxamide
CAS 1014028-34-2C16H21N3O3
N-(5-Oxo-1-(p-tolyl)pyrrolidin-3-yl)morpholine-4-carboxamide
CAS 894014-43-8C16H21N3O3
N-(2-(1-Methyl-1H-pyrrol-2-yl)-2-morpholinoethyl)furan-2-carboxamide
CAS 1049407-73-9C16H21N3O3
![2-Cyano-N-[2-(2,6-dimethylmorpholin-4-yl)ethyl]-3-(furan-2-yl)prop-2-enamide chemical structure, C16H21N3O3, CAS 1334034-26-2](/s/WLMSYKBBTUHJJX-ZSOIEALJSA-N.svg)
2-Cyano-N-[2-(2,6-dimethylmorpholin-4-yl)ethyl]-3-(furan-2-yl)prop-2-enamide
CAS 1334034-26-2C16H21N3O3
![1,1-Dimethylethyl N-[3-[(4-cyanobenzoyl)amino]propyl]carbamate chemical structure, C16H21N3O3, CAS 220470-20-2](/s/ZFCUPCJHJJNTRW-UHFFFAOYSA-N.svg)
1,1-Dimethylethyl N-[3-[(4-cyanobenzoyl)amino]propyl]carbamate
CAS 220470-20-2C16H21N3O3
7,8-Dimethoxy-2-(piperidin-1-ylmethyl)phthalazin-1(2H)-one
CAS 1401605-65-9C16H21N3O3
Ethyl 2-amino-1-(trans-4-hydroxycyclohexyl)-1H-benzimidazole-5-carboxylate
CAS 1012104-42-5C16H21N3O3
Ethyl 3-(dimethylamino)-1-(4-methoxybenzyl)-1H-pyrazole-4-carboxylate
CAS 1235314-17-6C16H21N3O3
(S)-tert-Butyl 3-((4-cyanopyridin-2-yl)oxy)piperidine-1-carboxylate
CAS 1421026-01-8C16H21N3O3
2-Oxo-N-((4-phenyltetrahydro-2H-pyran-4-yl)methyl)imidazolidine-1-carboxamide
CAS 1797255-35-6C16H21N3O3
1-(4-(2-Oxopyrrolidin-1-yl)phenyl)-3-(tetrahydro-2H-pyran-4-yl)urea
CAS 2034620-81-8C16H21N3O3
1-(2-(Cyclopropylmethoxy)isonicotinoyl)piperidine-4-carboxamide
CAS 2034618-20-5C16H21N3O3
![N-[(1-Amino-7-methoxy-6-isoquinolinyl)methyl]carbamic acid 1,1-dimethylethyl ester chemical structure, C16H21N3O3, CAS 1938129-44-2](/s/NYCGCAAATIBTRV-UHFFFAOYSA-N.svg)
N-[(1-Amino-7-methoxy-6-isoquinolinyl)methyl]carbamic acid 1,1-dimethylethyl ester
CAS 1938129-44-2C16H21N3O3
![Isopropyl 4-(2-oxo-2,3-dihydro-1H-benzo[d]imidazol-1-yl)piperidine-1-carboxylate chemical structure, C16H21N3O3, CAS 2195413-78-4](/s/WNLBBGUFIGTRMQ-UHFFFAOYSA-N.svg)
Isopropyl 4-(2-oxo-2,3-dihydro-1H-benzo[d]imidazol-1-yl)piperidine-1-carboxylate
CAS 2195413-78-4C16H21N3O3
6-Methoxy-7-(2-piperidinoethoxy)-3,4-dihydroquinazolin-4-one
CAS 196194-80-6C16H21N3O3
![2-{[(Cyclopropylmethyl)(methyl)amino]methyl}-6,7-dimethoxy-3,4-dihydroquinazolin-4-one chemical structure, C16H21N3O3, CAS 1252500-35-8](/s/PDKIYMPSUYSENB-UHFFFAOYSA-N.svg)
2-{[(Cyclopropylmethyl)(methyl)amino]methyl}-6,7-dimethoxy-3,4-dihydroquinazolin-4-one
CAS 1252500-35-8C16H21N3O3
![4-[(6,7-Dimethoxyquinazolin-4-yl)amino]cyclohexan-1-ol chemical structure, C16H21N3O3, CAS 3054601-57-6](/s/RFOWAOMVOWAPRT-UHFFFAOYSA-N.svg)
4-[(6,7-Dimethoxyquinazolin-4-yl)amino]cyclohexan-1-ol
CAS 3054601-57-6C16H21N3O3
![N-Ethyl-N-[2-[(4-methyl-2,3-dihydro-1,4-benzoxazin-6-yl)amino]-2-oxoethyl]prop-2-enamide chemical structure, C16H21N3O3, CAS 2324488-53-9](/s/NDXXHQDLQDMUOG-UHFFFAOYSA-N.svg)
N-Ethyl-N-[2-[(4-methyl-2,3-dihydro-1,4-benzoxazin-6-yl)amino]-2-oxoethyl]prop-2-enamide
CAS 2324488-53-9C16H21N3O3
carbamoyl}phenyl)methyl]prop-2-enamide chemical structure, C16H21N3O3, CAS 2199672-36-9](/s/AEZDAMBZVYTNNX-UHFFFAOYSA-N.svg)
N-[(4-{[(Dimethylcarbamoyl)methyl](methyl)carbamoyl}phenyl)methyl]prop-2-enamide
CAS 2199672-36-9C16H21N3O3
1-Acryloyl-N-((5-methyl-2-oxo-1,2-dihydropyridin-3-yl)methyl)piperidine-4-carboxamide
CAS 2361764-30-7C16H21N3O3
![N-[({2-[(Dimethylcarbamoyl)methyl]phenyl}carbamoyl)methyl]-N-methylprop-2-enamide chemical structure, C16H21N3O3, CAS 2361898-03-3](/s/QFXHUKZKASPOFT-UHFFFAOYSA-N.svg)
N-[({2-[(Dimethylcarbamoyl)methyl]phenyl}carbamoyl)methyl]-N-methylprop-2-enamide
CAS 2361898-03-3C16H21N3O3
![N,N,2-trimethyl-4-[2-(N-methylprop-2-enamido)acetamido]benzamide chemical structure, C16H21N3O3, CAS 2200577-00-8](/s/XEXMYPVOCCECON-UHFFFAOYSA-N.svg)
N,N,2-trimethyl-4-[2-(N-methylprop-2-enamido)acetamido]benzamide
CAS 2200577-00-8C16H21N3O3
![3-[2-(N-Ethylprop-2-enamido)acetamido]-N,2-dimethylbenzamide chemical structure, C16H21N3O3, CAS 2361792-72-3](/s/TXYRHIHOPJUWBG-UHFFFAOYSA-N.svg)
3-[2-(N-Ethylprop-2-enamido)acetamido]-N,2-dimethylbenzamide
CAS 2361792-72-3C16H21N3O3
![4-[[2-[Ethyl(prop-2-enoyl)amino]acetyl]amino]-N,3-dimethylbenzamide chemical structure, C16H21N3O3, CAS 2361720-24-1](/s/MBVGIJNNORSUAP-UHFFFAOYSA-N.svg)
4-[[2-[Ethyl(prop-2-enoyl)amino]acetyl]amino]-N,3-dimethylbenzamide
CAS 2361720-24-1C16H21N3O3
- N-Ethyl-N-({[4-(N-methylacetamido)phenyl]carbamoyl}methyl)prop-2-enamide2361792-58-5C16H21N3O3
- (E)-4-(Dimethylamino)-N-[(3R)-5-methyl-4-oxo-2,3-dihydro-1,5-benzoxazepin-3-yl]but-2-enamide2411177-72-3C16H21N3O3
- (E)-4-(Dimethylamino)-N-[2-(3-oxo-1,4-benzoxazin-4-yl)ethyl]but-2-enamide2411334-72-8C16H21N3O3
- (E)-4-(Dimethylamino)-N-methyl-N-[2-(2-oxo-1,3-benzoxazol-3-yl)ethyl]but-2-enamide2411330-22-6C16H21N3O3
- N-Ethyl-N-{[(2-oxo-1,2,5,6,7,8-hexahydroquinolin-3-yl)carbamoyl]methyl}prop-2-enamide2411318-03-9C16H21N3O3
- 5-Methoxy-2-({1-[(5-methylfuran-2-yl)methyl]piperidin-4-yl}oxy)pyrimidine2549055-15-2C16H21N3O3
- 2-[(3-{[1-(Cyclopropylmethyl)aziridin-2-yl]methoxy}phenyl)formamido]acetamide2418719-77-2C16H21N3O3
- 2-[(4-{[1-(Cyclopropylmethyl)aziridin-2-yl]methoxy}phenyl)formamido]acetamide2418719-89-6C16H21N3O3
- tert-Butyl 7-[(2-cyanoethyl)amino]-3,4-dihydro-2H-1,4-benzoxazine-4-carboxylate2709040-08-2C16H21N3O3
- 3-[5-[4-(Hydroxymethyl)-1-piperidinyl]-3-pyridinyl]-2,6-piperidinedione2865157-02-2C16H21N3O3
- L-4-Amino-N-(2-indol-3-yl-1-methylethyl)glutaramic acid15099-78-2C16H21N3O3
- 1-(5-Nitro-2-propyl-1,2,3,4-tetrahydroquinolin-4-yl)pyrrolidin-2-one243467-95-0C16H21N3O3
- 2-[[2-[Acetyl(cyclopropyl)amino]acetyl]amino]-N-(4-methylphenyl)acetamide6006-57-1C16H21N3O3
- 3-Methyl-N-[4-(4-propoxyphenyl)-1,2,5-oxadiazol-3-yl]butanamide898509-03-0C16H21N3O3
- N-(5-tert-Butyl-1H-imidazol-2-yl)-2,6-dimethoxybenzamide82560-02-9C16H21N3O3
- 1-(1-(3-Hydroxybutanoyl)piperidin-4-yl)-1H-benzo[d]imidazol-2(3H)-one124490-39-7C16H21N3O3
- 2-Hydroxy-N-{[(1R,3r,5S)-8-methyl-8-azabicyclo[3.2.1]octan-3-yl]carbamoyl}benzamide136013-77-9C16H21N3O3
- N-(2-(Dimethylamino)ethyl)-2-(5-(4-methoxyphenyl)isoxazol-3-yl)acetamide953139-76-9C16H21N3O3
- Methyl N-[3-(2-methoxyphenyl)-5-(2-methylpropyl)-1H-pyrazol-4-yl]carbamate1240309-97-0C16H21N3O3
- Zolmitriptan-d6 N-oxide1217618-32-0C16H21N3O3
- tert-Butyl 3-hydroxy-3-(1H-pyrrolo[2,3-b]pyridin-2-yl)pyrrolidine-1-carboxylate1001070-37-6C16H21N3O3
- 4-(3-((7-Methoxyquinazolin-6-yl)oxy)propyl)morpholine1208902-96-8C16H21N3O3
- N-{2-[(Furan-2-yl)formamido]ethyl}-1-(prop-2-yn-1-yl)piperidine-4-carboxamide1281026-32-1C16H21N3O3
- N-Hydroxy-3,5-dimethyl-4-[3-(3-methyl-5-isoxazolyl)propoxy]benzenecarboximidamide153168-47-9C16H21N3O3
- Ethyl 4-(2,3-dihydro-6-methyl-2-oxo-1H-benzo[d]imidazol-1-yl)-1-piperidinecarboxylate932700-69-1C16H21N3O3
- 1-(4-Methoxyphenyl)-3-(4-morpholinylmethyl)-1H-pyrazole-4-methanol1186538-76-0C16H21N3O3
- 4-(2-Methoxy-5-nitrophenyl)-1-(propan-2-yl)piperidine-4-carbonitrile652145-62-5C16H21N3O3
- 1-[2-(Acetyloxy)ethyl]-1,3-dihydro-3-(piperidin-4-yl)-2H-benzo[d]imidazol-2-one478613-97-7C16H21N3O3
- N-[2-(2,5-Dimethoxyphenyl)ethenyl]-N'-(1-methylpyrrolidin-2-ylidene)urea90120-39-1C16H21N3O3
- N-[2-(3,4-Dimethoxyphenyl)ethenyl]-N'-(1-methylpyrrolidin-2-ylidene)urea90120-38-0C16H21N3O3
- tert-Butyl (1-(benzo[d]oxazol-2-yl)pyrrolidin-3-yl)carbamate1420897-75-1C16H21N3O3
- N-{1-[(3,5-Dimethyl-1,2-oxazol-4-yl)methyl]piperidin-4-YL}furan-2-carboxamide1775448-98-0C16H21N3O3
- [1-Methyl-1-(3-phenyl-1,2,4-oxadiazol-5-yl)ethyl]-carbamic Acid 1,1-Dimethylethyl Ester336784-52-2C16H21N3O3
- 4-Amino-2,5-dihydro-2-methyl-5-oxo-1-phenyl-1H-pyrazole-3-butanoic acid ethyl ester1805819-90-2C16H21N3O3
- tert-Butyl 2-(2,5-dihydro-5-oxo-1-phenyl-1H-pyrazol-3-yl)ethylcarbamate1805819-08-2C16H21N3O3
- tert-Butyl (4R)-3-(1H-1,3-benzodiazol-1-yl)-4-hydroxypyrrolidine-1-carboxylate2098164-30-6C16H21N3O3
- 4-tert-Butyl-N-(2-carbamoylphenyl)-2-oxopyrrolidine-3-carboxamide2097868-65-8C16H21N3O3
- Methyl 2-{4-oxo-1-phenyl-1,3,8-triazaspiro[4.5]decan-3-yl}acetate2061924-77-2C16H21N3O3
- N-({4-[(1-Carbamoyl-1-methylethyl)(methyl)carbamoyl]phenyl}methyl)prop-2-enamide2361749-79-1C16H21N3O3
- N-(6-Methoxypyridin-3-yl)-N-methyl-1-(prop-2-enoyl)piperidine-4-carboxamide2361842-58-0C16H21N3O3
- 1-{4-[3-(Pyridin-4-yloxy)azetidine-1-carbonyl]piperidin-1-yl}ethan-1-one2415563-22-1C16H21N3O3
- rac-N-Methyl-N-({[(2R,4R)-2-(pyridin-2-yl)oxan-4-yl]carbamoyl}methyl)prop-2-enamide2411177-65-4C16H21N3O3
- Methyl 4-(diethylaminoazo)-3-methoxy-5-prop-1-ynyl-benzoate2734048-78-1C16H21N3O3
- [(4-Methoxyphenyl)methyl](methyl){[5-(oxolan-3-yl)-1,3,4-oxadiazol-2-yl]methyl}amine2877766-05-5C16H21N3O3
- (2E)-N-[Cyano(2,4-dimethoxyphenyl)methyl]-4-(dimethylamino)but-2-enamide2411323-99-2C16H21N3O3
- 2-({4-[(1-Cyclobutylaziridin-2-yl)methoxy]phenyl}formamido)acetamide2418643-43-1C16H21N3O3
- 4-[2-(2,3-Dihydro-1H-indol-1-yl)-2-oxoethyl]-N-methylmorpholine-2-carboxamide2877766-38-4C16H21N3O3
- 3-(3-Methoxy-4-piperazin-1-yl-phenyl)piperidine-2,6-dione3027830-62-9C16H21N3O3
- 3-Pyridinecarboxaldehyde, 1,2,5,6-tetrahydro-1-((((1-phenylethyl)amino)carbonyl)oxy)-, 3-(O-methyloxime), (S-(E))-145163-77-5C16H21N3O3
- N'-[3-(4,4-Dimethyl-2,6-dioxopiperidin-1-yl)phenyl]-N,N-dimethylurea88011-52-3C16H21N3O3
- 1-(1-(4-Hydroxybutanoyl)piperidin-4-yl)-1H-benzo[d]imidazol-2(3H)-one124490-40-0C16H21N3O3
- 4-(Cyclohexylamino)-1-(4-nitrophenyl)pyrrolidin-2-one499218-73-4C16H21N3O3
- tert-Butyl 3-[2-[(4-cyano-2-pyridinyl)oxy]ethyl]azetidine-1-carboxylate1135493-68-3C16H21N3O3
- tert-Butyl 3-((3-cyanopyridin-2-yl)oxy)piperidine-1-carboxylate1065484-11-8C16H21N3O3
- 3-[(4-Methoxyphenyl)methyl]-1-methyl-1,3,8-triazaspiro[4.5]decane-2,4-dione848171-20-0C16H21N3O3
- (E)-2-(2-(2-(3-Azidoprop-1-en-1-yl)phenoxy)ethoxy)tetrahydro-2H-pyran811867-14-8C16H21N3O3
- 3,3-Dimethyl-1-(2-phenoxyethoxy)-1-(1H-1,2,4-triazol-1-yl)butan-2-one88427-40-1C16H21N3O3
- Nitric acid--1-[2-(2,3-dihydro-1H-inden-1-yl)butyl]-1H-imidazole (1/1)61007-20-3C16H21N3O3
- 1-[6-(4-Methyl-2-nitrophenoxy)hexyl]-1H-imidazole88138-66-3C16H21N3O3
- 1-[6-(3-Methyl-4-nitrophenoxy)hexyl]-1H-imidazole88138-65-2C16H21N3O3
- N'-[3-(3,3-Dimethyl-2,6-dioxopiperidin-1-yl)phenyl]-N,N-dimethylurea88011-51-2C16H21N3O3
- 2-{2-[2-(3-Azidoprop-1-en-1-yl)phenoxy]ethoxy}oxaneC16H21N3O3
- N-Cyclohexyl-N'-[2-(3-nitrophenyl)prop-2-en-1-yl]urea919349-81-8C16H21N3O3
- tert-Butyl 4-(isoxazolo[5,4-c]pyridin-3-yl)piperidine-1-carboxylate1334417-51-4C16H21N3O3
- (R)-tert-Butyl (1-(benzo[d]oxazol-2-yl)pyrrolidin-3-yl)carbamate1421047-42-8C16H21N3O3
- (S)-tert-Butyl (1-(benzo[d]oxazol-2-yl)pyrrolidin-3-yl)carbamate1421039-95-3C16H21N3O3
- (S)-tert-Butyl 3-(benzo[d]oxazol-2-ylamino)pyrrolidine-1-carboxylate1421012-87-4C16H21N3O3
- (S)-tert-Butyl 3-((1H-benzo[d]imidazol-2-yl)oxy)pyrrolidine-1-carboxylate1421012-62-5C16H21N3O3
- (R)-tert-Butyl 3-(benzo[d]oxazol-2-ylamino)pyrrolidine-1-carboxylate1421011-39-3C16H21N3O3
- (R)-tert-Butyl 3-((1H-benzo[d]imidazol-2-yl)oxy)pyrrolidine-1-carboxylate1421042-11-6C16H21N3O3
- tert-Butyl 3-((1H-benzo[d]imidazol-2-yl)oxy)pyrrolidine-1-carboxylate1420966-39-7C16H21N3O3
- tert-Butyl 3-(((4-cyanopyridin-2-yl)oxy)methyl)pyrrolidine-1-carboxylate1420960-19-5C16H21N3O3
- tert-Butyl 3-(((3-cyanopyridin-2-yl)oxy)methyl)pyrrolidine-1-carboxylate1420841-86-6C16H21N3O3
- (R)-tert-Butyl 3-((4-cyanopyridin-2-yl)oxy)piperidine-1-carboxylate1421026-10-9C16H21N3O3
- (R)-tert-Butyl 3-((3-cyanopyridin-2-yl)oxy)piperidine-1-carboxylate1421013-82-2C16H21N3O3
- tert-Butyl 2-(((4-cyanopyridin-2-yl)oxy)methyl)pyrrolidine-1-carboxylate1420901-74-1C16H21N3O3
Frequently asked questions
What is the molar mass of C16H21N3O3?
The molar mass of C16H21N3O3 is 303.36 g/mol, calculated from standard atomic weights for 16 carbon atoms, 21 hydrogen atoms, 3 nitrogen atoms and 3 oxygen atoms. The monoisotopic mass is 309.1960 Da.
How many compounds have the formula C16H21N3O3?
CompoundList lists 387 compounds with the molecular formula C16H21N3O3, including 3-Ethoxy-N-(4-ethoxyphenyl)-1-ethyl-1H-pyrazole-4-carboxamide, N-(5-Oxo-1-(p-tolyl)pyrrolidin-3-yl)morpholine-4-carboxamide, N-(2-(1-Methyl-1H-pyrrol-2-yl)-2-morpholinoethyl)furan-2-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 C16H21N3O3?
C16H21N3O3 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.