Molecular formula
C16H21NO3
763 compounds have this formula on CompoundList.
- Molar mass
- 275.35g/mol
- Monoisotopic mass
- 282.1961Da
- Atoms
- 41
- Elements
- 4
- Rings plus double bonds
- 7
The formula C16H21NO3 describes a molecule made of 16 carbon atoms, 21 hydrogen atoms, 1 nitrogen atom 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 × 1669.79%12.011 × 16 = 192.176 g/mol
- H Hydrogen × 217.69%1.008 × 21 = 21.168 g/mol
- N Nitrogen × 15.09%14.007 × 1 = 14.007 g/mol
- O Oxygen × 317.43%15.999 × 3 = 47.997 g/mol
Look up another formula
Compounds with the formula C16H21NO3
Isomers we list, best known first. Open one to see its structure, properties, safety data and suppliers.
Showing 1 to 100 of 763 compounds
Rolipram
CAS 61413-54-5C16H21NO3
Dihydro-beta-erythroidine
CAS 23255-54-1C16H21NO3
Npc13206
CAS 87-00-3C16H21NO3
Methylenedioxypyrovalerone
CAS 687603-66-3C16H21NO3
(±)-4-Hydroxypropranolol
CAS 10476-53-6C16H21NO3
(-)-Rolipram
CAS 85416-75-7C16H21NO3
(S)-Rolipram
CAS 85416-73-5C16H21NO3
(8-Methyl-8-azabicyclo(3.2.1)octan-3-yl) 2-hydroxy-2-phenylacetate
CAS 114173-36-3C16H21NO3
4,5-Dihydropiperlonguminine
CAS 23512-53-0C16H21NO3
5-Methoxy-3-methyl-N-(3-methylbutyl)-2-benzofurancarboxamide
CAS 793715-10-3C16H21NO3
![2-{[(2-Phenylethyl)amino]carbonyl}cyclohexanecarboxylic acid chemical structure, C16H21NO3, CAS 331987-60-1](/s/ZVGKSRYCAMAYDG-UHFFFAOYSA-N.svg)
2-{[(2-Phenylethyl)amino]carbonyl}cyclohexanecarboxylic acid
CAS 331987-60-1C16H21NO3
1,2,2-Trimethyl-3-((phenylamino)carbonyl)cyclopentanecarboxylic acid
CAS 73889-61-9C16H21NO3
![Ethyl N-[(2-oxocyclohexyl)(phenyl)methyl]carbamate chemical structure, C16H21NO3, CAS 87537-22-2](/s/CFECQZGWBFNSPO-UHFFFAOYSA-N.svg)
Ethyl N-[(2-oxocyclohexyl)(phenyl)methyl]carbamate
CAS 87537-22-2C16H21NO3
2-((3,4-Dimethylphenyl)carbamoyl)cyclohexanecarboxylic acid
CAS 448254-83-9C16H21NO3
N-(Cyclohexylcarbonyl)phenylalanine
CAS 103678-63-3C16H21NO3
tert-Butyl 4-oxo-3-phenylpiperidine-1-carboxylate
CAS 632352-56-8C16H21NO3
![4-Butyl-8-[(dimethylamino)methyl]-7-hydroxy-2H-chromen-2-one chemical structure, C16H21NO3, CAS 701279-31-4](/s/MUSUVMDVWQVBIN-UHFFFAOYSA-N.svg)
4-Butyl-8-[(dimethylamino)methyl]-7-hydroxy-2H-chromen-2-one
CAS 701279-31-4C16H21NO3
3-(3,5-Dimethoxyanilino)-5,5-dimethylcyclohex-2-en-1-one
CAS 432534-86-6C16H21NO3
5,5-Diethyl-3,3-dimethyl-6-pyridin-2-yloxane-2,4-dione
CAS 586989-77-7C16H21NO3
Noratropine
CAS 16839-98-8C16H21NO3
1-Boc-2-phenyl-piperidin-4-one
CAS 849928-30-9C16H21NO3
Norhyoscyamine
CAS 537-29-1C16H21NO3
tert-Butyl 6-acetyl-1,2,3,4-tetrahydroisoquinoline-2-carboxylate
CAS 1008518-35-1C16H21NO3
![(1-{2-[(4-Methylphenyl)amino]-2-oxoethyl}cyclopentyl)acetic acid chemical structure, C16H21NO3, CAS 618414-28-1](/s/PUIZZPYKVQVHPK-UHFFFAOYSA-N.svg)
(1-{2-[(4-Methylphenyl)amino]-2-oxoethyl}cyclopentyl)acetic acid
CAS 618414-28-1C16H21NO3
- [2-(Cyclopentylamino)-2-oxoethyl] 4-ethylbenzoate502707-75-7C16H21NO3
- Ethyl 6-benzyl-2-oxa-6-azaspiro(3.4)octane-8-carboxylate1286692-89-4C16H21NO3
- 2-[(4-Ethylphenyl)carbamoyl]cyclohexane-1-carboxylic acid418802-04-7C16H21NO3
- [2-(Cycloheptylamino)-2-oxoethyl] benzoate380554-00-7C16H21NO3
- (1-{2-[(3-Methylphenyl)amino]-2-oxoethyl}cyclopentyl)acetic acid618414-22-5C16H21NO3
- N-(3-Cyclopentyloxy-4-methoxyphenyl)cyclopropanecarboxamide681428-22-8C16H21NO3
- 3-[(4-Butoxyphenyl)methyl]piperidine-2,6-dione51180-40-6C16H21NO3
- tert-Butyl 3-oxo-4-phenylpiperidine-1-carboxylate930396-00-2C16H21NO3
- (E)-1-Morpholin-4-yl-3-(4-propoxyphenyl)prop-2-en-1-one433967-46-5C16H21NO3
- 2-[(2,6-Dimethylphenyl)carbamoyl]cyclohexane-1-carboxylic acid414882-11-4C16H21NO3
- tert-Butyl (2S)-2-benzoylpyrrolidine-1-carboxylate111492-61-6C16H21NO3
- 2-Methylcyclopentyl 3-methyl-4-oxo-4,5,6,7-tetrahydro-1H-indole-2-carboxylate847465-17-2C16H21NO3
- 4-((Ethyl(2-hydroxyethyl)amino)methyl)-7,8-dimethyl-2H-chromen-2-one845989-97-1C16H21NO3
- tert-Butyl 3-benzoylpyrrolidine-1-carboxylate952685-33-5C16H21NO3
- tert-Butyl 6-phenyl-7-oxa-3-azabicyclo(4.1.0)heptane-3-carboxylate1435060-21-1C16H21NO3
- [2-(Cyclopentylamino)-2-oxoethyl] 3,4-dimethylbenzoate478860-14-9C16H21NO3
- 1-Butyl-6-oxo-2-phenylpiperidine-3-carboxylic acid164933-89-5C16H21NO3
- 5'-Hydroxypropranolol81907-82-6C16H21NO3
- Methyl 2-cyclopentyl-3-oxo-3-(2-toluidino)propanoate663218-33-5C16H21NO3
- tert-Butyl 3-oxo-5-phenylpiperidine-1-carboxylate1824093-84-6C16H21NO3
- (1S,2R)-2-(Phenethylcarbamoyl)cyclohexane-1-carboxylic acid1164489-38-6C16H21NO3
- alpha-(1-Benzyl-4-hydroxy-4-piperidyl)-gamma-butyrolactone28532-91-4C16H21NO3
- tert-Butyl 3-benzyl-4-oxopyrrolidine-1-carboxylate897046-05-8C16H21NO3
- tert-Butyl (2R)-2-benzoylpyrrolidine-1-carboxylate566899-60-3C16H21NO3
- 2-(2-Ethyl-phenylcarbamoyl)-cyclohexanecarboxylic acid414892-78-7C16H21NO3
- 2-(Octyloxy)isoindoline-1,3-dione65764-49-0C16H21NO3
- tert-Butyl N-benzyl-N-(1-formylcyclopropyl)carbamate922337-20-0C16H21NO3
- Cis-4'-ethylhexahydrophthalanilic acid17716-17-5C16H21NO3
- N-(Furan-2-ylmethyl)-4,7,7-trimethyl-3-oxobicyclo[2.2.1]heptane-1-carboxamide505060-70-8C16H21NO3
- 2-[(3-Ethylanilino)carbonyl]cyclohexanecarboxylic acid545355-19-9C16H21NO3
- 1-(3,4-Dimethoxycinnamoyl)piperidine128261-84-7C16H21NO3
- 2-{[(1-Phenylethyl)amino]carbonyl}cyclohexanecarboxylic acid353505-66-5C16H21NO3
- 3-[2-(3,4-Dimethoxyphenyl)ethylamino]cyclohex-2-en-1-one27032-09-3C16H21NO3
- 3-(2-(Diethylamino)ethyl)-7-hydroxy-4-methylcoumarin49652-64-4C16H21NO3
- 3-Heptyl-3-hydroxy-2,4(1H,3H)-quinolinedione69808-30-6C16H21NO3
- 3-Quinuclidinyl tropate165260-55-9C16H21NO3
- tert-Butyl N-(1-benzyl-3-oxocyclobutyl)carbamate2694744-83-5C16H21NO3
- tert-Butyl 6-formyl-5-methyl-1,2,3,4-tetrahydroisoquinoline-2-carboxylate1822829-19-5C16H21NO3
- Orf 1259281907-79-1C16H21NO3
- 1'-Oxobufuralol59664-01-6C16H21NO3
- Ethyl 3-(cyclohexanecarbonylamino)benzoate315712-31-3C16H21NO3
- N-Hydroxypropranolol84418-31-5C16H21NO3
- Ethyl 1-(4-methylbenzoyl)piperidine-4-carboxylate349404-04-2C16H21NO3
- Annotinine559-49-9C16H21NO3
- (S)-tert-Butyl 1-benzyl-5-oxopyrrolidine-2-carboxylate90741-27-8C16H21NO3
- (-)-Homatropine51017-31-3C16H21NO3
- 4-((Butyl(methyl)amino)methyl)-6-hydroxy-7-methyl-2H-chromen-2-one859142-24-8C16H21NO3
- 3-[1-(4-Methylbenzoyl)piperidin-4-yl]propanoic acid1267266-94-3C16H21NO3
- Methyl [1-(4-methylbenzoyl)piperidin-4-yl]acetate952949-80-3C16H21NO3
- Methylenedioxypyrovalerone, (S)-1388142-28-6C16H21NO3
- 3-[1-(2-Methylbenzoyl)piperidin-4-yl]propanoic acid1268086-65-2C16H21NO3
- 2-[(2,4-Dimethylphenyl)carbamoyl]cyclohexane-1-carboxylic acid448254-85-1C16H21NO3
- tert-Butyl (1S)-1-benzyl-2-oxobut-3-enylcarbamate137278-22-9C16H21NO3
- 2,4-Oxazolidinedione, 5-heptyl-5-phenyl-824392-36-1C16H21NO3
- 2-Pyrrolidinecarboxylic acid, 5-oxo-3-pentyl-4-phenyl-69727-32-8C16H21NO3
- Benzyl exo-3-(hydroxymethyl)-8-azabicyclo[3.2.1]octane-8-carboxylate1067230-68-5C16H21NO3
- Datumetine67078-20-0C16H21NO3
- 1 suppliers2-(8-Hydroxyoctyl)-1H-isoindole-1,3(2H)-dione105264-63-9C16H21NO3
- N-(Cyclohexylcarbonyl)-D-phenylalanine85856-40-2C16H21NO3
- rac 7-Hydroxy Propranolol81907-81-5C16H21NO3
- 1-[2-Hydroxy-3-(isopropylamino)propoxy]naphthalene-2-ol76275-54-2C16H21NO3
- (R)-1-(2-(2-(tert-Butylamino)-1-hydroxyethyl)benzofuran-7-yl)ethanone84952-27-2C16H21NO3
- DES(1-oxopropyl)-2-hydroxy-1-oxopropyl-ramelteon896736-21-3C16H21NO3
- 3-Quinuclidinyl atrolactate107757-79-9C16H21NO3
- 1-(1-Hydroxy-2-propylamino)-3-(1-naphthoxy)-2-propanol103478-75-7C16H21NO3
- (7,7-Dimethyl-6,8-dioxa-2-azaspiro[3.5]nonan-2-yl)(o-tolyl)methanone1396625-64-1C16H21NO3
- tert-Butyl 2,2-dimethyl-4-oxo-3,4-dihydroquinoline-1(2H)-carboxylate179898-87-4C16H21NO3
- Annotine5096-59-3C16H21NO3
- 1-Benzylpiperidin-3-yl 3-oxobutanoate85387-34-4C16H21NO3
- Benzyl 2-hydroxy-7-azaspiro[3.5]nonane-7-carboxylate147610-99-9C16H21NO3
- 1H-Indol-4-ol, 5-butyl-7-methoxy-1-methyl-, 4-acetate99107-54-7C16H21NO3
- 1H-Indol-4-ol, 5,6-diethyl-7-methoxy-1-methyl-, 4-acetate99107-55-8C16H21NO3
- 2-[(2,5-Dimethylanilino)carbonyl]cyclohexanecarboxylic acid296246-15-6C16H21NO3
- 3-[(2,4-Dimethoxyphenyl)amino]-5,5-dimethylcyclohex-2-en-1-one337470-11-8C16H21NO3
- 3-(Cyclohexanecarbonyl-amino)-3-phenyl-propionic acid436088-46-9C16H21NO3
- tert-Butyl 3-oxo-2-phenylpiperidine-1-carboxylate148701-78-4C16H21NO3
Frequently asked questions
What is the molar mass of C16H21NO3?
The molar mass of C16H21NO3 is 275.35 g/mol, calculated from standard atomic weights for 16 carbon atoms, 21 hydrogen atoms, 1 nitrogen atom and 3 oxygen atoms. The monoisotopic mass is 282.1961 Da.
How many compounds have the formula C16H21NO3?
CompoundList lists 763 compounds with the molecular formula C16H21NO3, including Rolipram, Dihydro-beta-erythroidine, Npc13206. 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 C16H21NO3?
C16H21NO3 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.