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 201 to 300 of 763 compounds
6-Methoxy pseudotropine benzoate hydrochloride
CAS 22194-31-6C16H21NO3
![[(2s,3s)-3-Hydroxy-8-methyl-8-azabicyclo[3.2.1]oct-2-yl]methyl benzoate chemical structure, C16H21NO3, CAS 7148-14-3](/s/TXIYBPZUJGKOLX-JYVUQVBGSA-N.svg)
[(2s,3s)-3-Hydroxy-8-methyl-8-azabicyclo[3.2.1]oct-2-yl]methyl benzoate
CAS 7148-14-3C16H21NO3
![Ethyl 4-[acetyl(pent-4-en-1-yl)amino]benzoate chemical structure, C16H21NO3, CAS 10083-99-5](/s/OJVUUDPXIFKNON-UHFFFAOYSA-N.svg)
Ethyl 4-[acetyl(pent-4-en-1-yl)amino]benzoate
CAS 10083-99-5C16H21NO3
Ethaneperoxoic acid, 1-cyano-4,4-dimethyl-1-phenylpentyl ester
CAS 58422-75-6C16H21NO3
5-Methoxy-2-methylindole-3-acetic acid, t-butyl ester
CAS 1226-02-4C16H21NO3
(E)-3-(2,4-Dimethoxyphenyl)-1-(piperidin-1-yl)prop-2-en-1-one
CAS 127006-84-2C16H21NO3
Methyl 4-(3-cyclopentylpropanoylamino)benzoate
CAS 445287-47-8C16H21NO3
7-Butanoyl-4-methyl-2-propyl-2H-1,4-benzoxazin-3(4H)-one
CAS 135420-23-4C16H21NO3
3,4-Piperidinediol, 1,3-dimethyl-4-ethynyl-6-(4-methoxyphenyl)-, (3-alpha,4-alpha,6-beta)-
CAS 120729-74-0C16H21NO3
3,4-Piperidinediol, 1,3-dimethyl-4-ethynyl-6-(4-methoxyphenyl)-, (3-alpha,4-beta,6-beta)-
CAS 120729-80-8C16H21NO3
![4-[(4-Ethylcyclohexyl)carbonylamino]benzoic acid chemical structure, C16H21NO3, CAS 215788-52-6](/s/XNGKLZQCWQDSON-UHFFFAOYSA-N.svg)
4-[(4-Ethylcyclohexyl)carbonylamino]benzoic acid
CAS 215788-52-6C16H21NO3
1-Morpholin-4-yl-3-phenylhexane-1,5-dione
CAS 522596-56-1C16H21NO3
1-(3,4-Diethoxyphenyl)-N-(furan-2-ylmethyl)methanamine
CAS 880814-15-3C16H21NO3
6-((Dimethylamino)methyl)-7-hydroxy-8-methyl-4-propyl-2H-chromen-2-one
CAS 575467-11-7C16H21NO3
2-(Cyclopentylamino)-2-oxoethyl (4-methylphenyl)acetate
CAS 1638737-54-8C16H21NO3
tert-Butyl 2-benzoylpyrrolidine-1-carboxylate
CAS 138371-51-4C16H21NO3
![1-{2-[(1S)-2-(tert-Butylamino)-1-hydroxyethyl]-1-benzofuran-7-yl}ethan-1-one chemical structure, C16H21NO3, CAS 84952-24-9](/s/UJFKLSLVTSFAQN-ZDUSSCGKSA-N.svg)
1-{2-[(1S)-2-(tert-Butylamino)-1-hydroxyethyl]-1-benzofuran-7-yl}ethan-1-one
CAS 84952-24-9C16H21NO3
![2-(2-{[(2-Methoxynaphthalen-1-yl)methyl]amino}ethoxy)ethanol chemical structure, C16H21NO3, CAS 940200-61-3](/s/ITVOEIKLIRIIJT-UHFFFAOYSA-N.svg)
2-(2-{[(2-Methoxynaphthalen-1-yl)methyl]amino}ethoxy)ethanol
CAS 940200-61-3C16H21NO3
![(3,5-Dimethylphenyl)(1,4-dioxa-8-azaspiro[4.5]dec-8-yl)methanone chemical structure, C16H21NO3, CAS 190012-44-3](/s/GQTLITOQIVFITD-UHFFFAOYSA-N.svg)
(3,5-Dimethylphenyl)(1,4-dioxa-8-azaspiro[4.5]dec-8-yl)methanone
CAS 190012-44-3C16H21NO3
1-(2,4,6-Trimethylbenzoyl)piperidine-2-carboxylic acid
CAS 1104784-04-4C16H21NO3
![N-(1,4-Dioxaspiro[4.4]nonan-2-ylmethyl)-3-methylbenzamide chemical structure, C16H21NO3, CAS 899962-87-9](/s/ZWEXYQKJHIACID-UHFFFAOYSA-N.svg)
N-(1,4-Dioxaspiro[4.4]nonan-2-ylmethyl)-3-methylbenzamide
CAS 899962-87-9C16H21NO3
Benzyl 4-(3-oxopropyl)piperidine-1-carboxylate
CAS 775288-68-1C16H21NO3
3-Ethyl-4-hydroxy-8-(3-methylbutoxy)quinolin-2(1H)-one
CAS 22048-18-6C16H21NO3
3-Ethyl-4-hydroxy-6-(3-methylbutoxy)quinolin-2(1H)-one
CAS 22048-16-4C16H21NO3
- 4-(tert-Butyl)-2-(2-cyanopropan-2-yl)phenyl methyl carbonate1246213-37-5C16H21NO3
- 5-Isopropyl-6-methoxy-3-methyl-1H-indole-2-carboxylic acid ethyl ester865306-03-2C16H21NO3
- tert-Butyl 5,6-dihydro-4-(3-hydroxyphenyl)pyridine-1(2H)-carboxylate532991-38-1C16H21NO3
- Benzyl 3-(cyclopropylmethoxy)pyrrolidine-1-carboxylate932702-42-6C16H21NO3
- (S)-Ramelteon metabolite M-II1639809-89-4C16H21NO3
- tert-Butyl 1-(4-formylphenyl)cyclobutylcarbamate1259223-97-6C16H21NO3
- Methyl (1R,2R,5R)-3-benzyl-2-(methoxymethyl)-3-azabicyclo[3.1.0]hexane-1-carboxylate1868104-37-3C16H21NO3
- 6-Cbz-octahydro-2H-pyrano[3,2-c]pyridine2006278-13-1C16H21NO3
- rel-Methyl (4aS,7aR)-6-benzylhexahydropyrano[2,3-c]pyrrole-4a(2H)-carboxylate2696257-52-8C16H21NO3
- 1-Benzoyloxy-2,2,6,6-tetramethyl-4-oxopiperidine7031-85-8C16H21NO3
- 2-[(3-Cyclohexylpropanoyl)amino]benzoic acid694522-70-8C16H21NO3
- Benzo(6,7)cyclohept(1,2-b)(1,4)oxazine-4-propionic acid, 2,3,4,4a,5,6,7,11b-octahydro-, (E)-105124-62-7C16H21NO3
- 7-Hexanoyl-2,4-dimethyl-2H-1,4-benzoxazin-3(4H)-one135420-25-6C16H21NO3
- 2H-1,4-Benzoxazin-3(4H)-one, 2-methyl-7-(1-oxobutyl)-4-propyl-135420-28-9C16H21NO3
- Ethyl 2-(3,3-dimethyl-2-oxo-1-azetanyl)-3-phenylpropanoate338415-02-4C16H21NO3
- Ethyl 1-(2-phenylacetyl)-3-piperidinecarboxylate310454-54-7C16H21NO3
- 1-Methylpiperidin-3-yl (2E)-3-(4-methoxyphenyl)prop-2-enoate802278-86-0C16H21NO3
- Oxazole, 4,5-dihydro-2-(2-(3,5-dimethoxyphenyl)-1-methylethenyl)-4,4-dimethyl-53644-88-5C16H21NO3
- (S)-4-Benzyl-3-(4-methylpentanoyl)oxazolidin-2-one113543-30-9C16H21NO3
- 1-(4-Isopropylbenzoyl)piperidine-3-carboxylic acid1016687-22-1C16H21NO3
- N-(1,4-Dioxaspiro[4.5]decan-2-ylmethyl)benzamide900006-51-1C16H21NO3
- 3,3a,4,5,6,7-Hexahydro-3-(3,4-dimethoxyphenyl)-2H-indole 1-oxide61699-04-5C16H21NO3
- Ethyl 1-benzyl-3-oxoazepane-2-carboxylate478841-08-6C16H21NO3
- (3S,4S)-4-Benzyl-3-(3-methylpentanoyl)-oxazolidin-2-one133729-84-7C16H21NO3
- Methyl (2S,4S)-4-(5,6,7,8-tetrahydronaphthalen-1-yloxy)pyrrolidine-2-carboxylate1354487-23-2C16H21NO3
- Ethyl 3,4-dihydrospiro[[1]benzopyran-2,1'-cyclopentan]-4-ylcarbamate1000356-56-8C16H21NO3
- Ethyl 4-oxo-4-(3-phenylpyrrolidin-1-yl)butanoate1211802-33-3C16H21NO3
- 4-(1-Isobutyrylpiperidin-4-yl)benzoic acid777874-76-7C16H21NO3
- Benzyl ethyl(4-oxocyclohexyl)carbamate1352933-86-8C16H21NO3
- (S)-1-Benzyl-4-((S)-2,2-dimethyl-1,3-dioxolan-4-yl)pyrrolidin-2-one1040922-76-6C16H21NO3
- Benzyl 4-hydroxybicyclo[2.2.2]octan-1-ylcarbamate1403864-73-2C16H21NO3
- 4-[(4-Ethylbenzoyl)amino]cyclohexanecarboxylic acid1178751-84-2C16H21NO3
- Ethyl 1-benzyl-4-methyl-3-oxopiperidine-4-carboxylate955028-12-3C16H21NO3
- 8-(Benzyloxymethyl)-1-oxa-3-azaspiro[4.5]decan-2-one1308837-44-6C16H21NO3
- tert-Butyl 7-acetyl-3,4-dihydroquinoline-1(2H)-carboxylate477312-73-5C16H21NO3
- Ethyl 2-[(4-methoxyphenyl)amino]cyclohex-1-ene-1-carboxylate38778-80-2C16H21NO3
- tert-Butyl 6-acetyl-3,4-dihydro-2H-quinoline-1-carboxylate477312-79-1C16H21NO3
- (1R,5S)-3-Oxa-8-azabicyclo[3.2.1]octan-8-yl(4-isopropoxyphenyl)methanone1421480-79-6C16H21NO3
- 1-{3,4-Dihydrospiro[1-benzopyran-2,4'-piperidine]-1'-yl}-2-methoxyethan-1-one1421495-28-4C16H21NO3
- N-[4-(2-Methoxyphenoxy)but-2-YN-1-yl]-3-methylbutanamide1421526-38-6C16H21NO3
- 4-Methoxy-N-{7-oxaspiro[3.5]nonan-1-yl}benzamide2176124-64-2C16H21NO3
- 2-Methoxy-N-{7-oxaspiro[3.5]nonan-1-yl}benzamide2195879-42-4C16H21NO3
- 3-Methoxy-N-{7-oxaspiro[3.5]nonan-1-yl}benzamide2189434-52-2C16H21NO3
- tert-Butyl (3aS,9bS)-2,3,4,9b-tetrahydro-1H-chromeno[3,4-c]pyrrole-3a-carboxylate2155840-04-1C16H21NO3
- rac-Methyl(4aR,7aR)-6-benzyl-octahydropyrano[2,3-c]pyrrole-7a-carboxylate2381384-81-0C16H21NO3
- 5-Benzyl-2-oxa-5-aza-bicyclo[2.2.2]octane-4-carboxylic acid ethyl ester2379651-38-2C16H21NO3
- rac-Benzyl (2S)-2-[(2R)-oxolan-2-yl]pyrrolidine-1-carboxylate2490314-18-4C16H21NO3
- Methyl (2R,7aR)-2-(benzyloxy)tetrahydro-1H-pyrrolizine-7a(5H)-carboxylate2828444-85-3C16H21NO3
- (6-Cbz-6-azaspiro[3.4]octan-8-yl)methanol2680730-65-6C16H21NO3
- Ethyl 4-benzamidocyclohexane-1-carboxylate60601-15-2C16H21NO3
- Ethyl 2-(3-ethoxy-7-methyl-1,4-dihydroisoquinolin-6-yl)acetate55329-71-0C16H21NO3
- 1-(2-Methoxyethoxymethyl)-2-[(4-methoxyphenyl)methyl]pyrrole79499-44-8C16H21NO3
- [1-(2-Amino-2-oxo-1-phenylethyl)cyclohexyl] acetate7505-69-3C16H21NO3
- Ethyl 5-ethoxy-1-ethyl-2-methyl-1H-indole-3-carboxylate386744-01-0C16H21NO3
- 8-[(Diethylamino)methyl]-7-hydroxy-3,4-dimethyl-2H-chromen-2-one682324-28-3C16H21NO3
- 1-(Morpholin-4-yl)propan-2-yl (2E)-3-phenylprop-2-enoate1049979-78-3C16H21NO3
- DL-Norleucine, N-(1-oxo-3-phenyl-2-propenyl)-, methyl ester, (E)-127750-58-7C16H21NO3
- DL-Leucine, N-(1-oxo-3-phenyl-2-propenyl)-, methyl ester, (E)-127852-93-1C16H21NO3
- 4-Pentenoic acid, 2-(benzoylamino)-, 1,1-dimethylethyl ester, (2S)-847790-71-0C16H21NO3
- Ethyl 1-benzyl-5-methyl-4-oxopiperidine-3-carboxylate93614-12-1C16H21NO3
- tert-Butyl 2-ethyl-4-oxo-1,2,3,4-tetrahydroquinoline-1-carboxylate228730-88-9C16H21NO3
- 2-Benzyl-8-oxa-2-azaspiro[4.5]decane-4-carboxylic acid939761-80-5C16H21NO3
- 1-[(4-tert-Butylphenyl)methyl]-5-oxopyrrolidine-3-carboxylic acid927983-92-4C16H21NO3
- Methyl 3-[(cyclohexylcarbonyl)amino]-4-methylbenzoate898123-22-3C16H21NO3
- 1-(4-Isopropylbenzoyl)piperidine-4-carboxylic acid1016676-46-2C16H21NO3
- 1-(3-Phenylpropanamido)cyclohexane-1-carboxylic acid652172-67-3C16H21NO3
- 3-Cyano-4-(octyloxy)benzoic acid62435-40-9C16H21NO3
- 1-Piperidinecarboxylic acid, 4-(2-oxopropyl)-, phenylmethyl ester1242429-11-3C16H21NO3
- 4-Piperidineacetic acid, 1-(3,4-dimethylbenzoyl)-1030432-69-9C16H21NO3
- (1,1'-Biphenyl)-2-ol, compound with 2,2'-iminodiethanol (1:1)84145-03-9C16H21NO3
- 2-(2-Methylpiperidin-1-yl)-2-oxoethyl 4-methylbenzoate1260915-91-0C16H21NO3
- 3-(1-Isobutyrylpiperidin-3-yl)benzoic acid1243020-41-8C16H21NO3
- 1-(5-Phenylpentanoyl)-L-proline88084-17-7C16H21NO3
- tert-Butyl ((3-oxo-1-phenylcyclobutyl)methyl)carbamate1361416-40-1C16H21NO3
- tert-Butyl 7-formyl-2,3,4,5-tetrahydro-1H-3-benzazepine-3-carboxylate1158766-15-4C16H21NO3
- tert-Butyl 6-formyl-1,2,3,4-tetrahydronaphthalen-1-ylcarbamate784205-24-9C16H21NO3
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 6-Methoxy pseudotropine benzoate hydrochloride, [(2s,3s)-3-Hydroxy-8-methyl-8-azabicyclo[3.2.1]oct-2-yl]methyl benzoate, Ethyl 4-[acetyl(pent-4-en-1-yl)amino]benzoate. 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.