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 301 to 400 of 763 compounds
![8,9-Dimethyl-5-oxo-2,3,4,5-tetrahydro-benzo[b]azepine-1-carboxylic acid isopropyl ester chemical structure, C16H21NO3, CAS 872625-25-7](/s/PTXRLRQPXFZCBG-UHFFFAOYSA-N.svg)
8,9-Dimethyl-5-oxo-2,3,4,5-tetrahydro-benzo[b]azepine-1-carboxylic acid isopropyl ester
CAS 872625-25-7C16H21NO3
tert-Butyl 6-formyl-1,2,3,4-tetrahydronaphthalen-2-ylcarbamate
CAS 783239-07-6C16H21NO3
![4-Hydroxy-4-[4-(4-morpholinyl)phenyl]cyclohexanone chemical structure, C16H21NO3, CAS 708274-36-6](/s/SQGONYYHYNKSOQ-UHFFFAOYSA-N.svg)
4-Hydroxy-4-[4-(4-morpholinyl)phenyl]cyclohexanone
CAS 708274-36-6C16H21NO3
Benzyl 4-(1-hydroxycyclopropyl)piperidine-1-carboxylate
CAS 1358782-66-7C16H21NO3
tert-Butyl 7-acetyl-3,4-dihydroisoquinoline-2(1H)-carboxylate
CAS 149353-74-2C16H21NO3
1-(4-(4-Methoxy-3-methylbenzoyl)piperidin-1-yl)ethanone
CAS 1267415-39-3C16H21NO3
![1-{[(Benzyloxy)imino]methyl}cycloheptane-1-carboxylic acid chemical structure, C16H21NO3, CAS 828271-27-8](/s/SPWDRJLFNSSGRG-UHFFFAOYSA-N.svg)
1-{[(Benzyloxy)imino]methyl}cycloheptane-1-carboxylic acid
CAS 828271-27-8C16H21NO3
N-(3-Hydroxy-4,4-dimethylpentyl)benzofuran-2-carboxamide
CAS 1396885-81-6C16H21NO3
![tert-Butyl N-[3-(4-ethoxyphenyl)prop-2-yn-1-yl]carbamate chemical structure, C16H21NO3, CAS 1461706-42-2](/s/CBEKQRJCJBKQPY-UHFFFAOYSA-N.svg)
tert-Butyl N-[3-(4-ethoxyphenyl)prop-2-yn-1-yl]carbamate
CAS 1461706-42-2C16H21NO3
1,1-Dimethylethyl 2-(4-formylphenyl)-1-pyrrolidinecarboxylate
CAS 328547-00-8C16H21NO3
tert-Butyl (2R)-1-benzyl-5-oxopyrrolidine-2-carboxylate
CAS 90741-28-9C16H21NO3
![N-[(2-Hydroxy-2,3-dihydro-1H-inden-2-yl)methyl]oxane-4-carboxamide chemical structure, C16H21NO3, CAS 1904190-96-0](/s/CVVWKQQQLDDKNI-UHFFFAOYSA-N.svg)
N-[(2-Hydroxy-2,3-dihydro-1H-inden-2-yl)methyl]oxane-4-carboxamide
CAS 1904190-96-0C16H21NO3
![2-Phenoxy-N-(7-oxaspiro[3.5]nonan-1-yl)acetamide chemical structure, C16H21NO3, CAS 2320222-17-9](/s/AJRJPLOGETXFSL-UHFFFAOYSA-N.svg)
2-Phenoxy-N-(7-oxaspiro[3.5]nonan-1-yl)acetamide
CAS 2320222-17-9C16H21NO3
![N-[(4-Hydroxy-4,5,6,7-tetrahydro-1-benzofuran-4-yl)methyl]cyclohex-3-ene-1-carboxamide chemical structure, C16H21NO3, CAS 2320850-60-8](/s/UCKPQWQNWLXSNA-UHFFFAOYSA-N.svg)
N-[(4-Hydroxy-4,5,6,7-tetrahydro-1-benzofuran-4-yl)methyl]cyclohex-3-ene-1-carboxamide
CAS 2320850-60-8C16H21NO3
Phenylmethyl (3R,4S)-3-acetyl-4-ethyl-1-pyrrolidinecarboxylate
CAS 2411540-29-7C16H21NO3
![N-[[4-Methyl-2-(oxolan-3-ylmethoxy)phenyl]methyl]prop-2-enamide chemical structure, C16H21NO3, CAS 2305561-19-5](/s/ZUPZUYZKAAXAHF-UHFFFAOYSA-N.svg)
N-[[4-Methyl-2-(oxolan-3-ylmethoxy)phenyl]methyl]prop-2-enamide
CAS 2305561-19-5C16H21NO3
![(1R)-8-Methoxy-4-methyl-10-oxa-4-azatetracyclo[7.6.1.01,11.05,16]hexadeca-5(16),6,8-trien-13-ol chemical structure, C16H21NO3, CAS 2459955-53-2](/s/STNBBMQRGYDCMX-MEKTXKAGSA-N.svg)
(1R)-8-Methoxy-4-methyl-10-oxa-4-azatetracyclo[7.6.1.01,11.05,16]hexadeca-5(16),6,8-trien-13-ol
CAS 2459955-53-2C16H21NO3
tert-Butyl (2-(4-ethynyl-3-methylphenoxy)ethyl)carbamate
CAS 2748541-40-2C16H21NO3
![5-Methoxy-1,3-dihydrospiro[indene-2,4'-piperidin]-3-yl acetate chemical structure, C16H21NO3, CAS 2459963-07-4](/s/CJRBMXJJPULCCB-UHFFFAOYSA-N.svg)
5-Methoxy-1,3-dihydrospiro[indene-2,4'-piperidin]-3-yl acetate
CAS 2459963-07-4C16H21NO3
![Benzyl (4aS,7S,7aS)-7-hydroxyoctahydro-2H-cyclopenta[c]pyridine-2-carboxylate chemical structure, C16H21NO3, CAS 140211-08-1](/s/GTECFXAPFNEDHS-ZNMIVQPWSA-N.svg)
Benzyl (4aS,7S,7aS)-7-hydroxyoctahydro-2H-cyclopenta[c]pyridine-2-carboxylate
CAS 140211-08-1C16H21NO3
![tert-Butyl N-{1-[(4-methylphenyl)carbonyl]cyclopropyl}carbamate chemical structure, C16H21NO3, CAS 2003049-79-2](/s/IMPTYHVVVDRPPR-UHFFFAOYSA-N.svg)
tert-Butyl N-{1-[(4-methylphenyl)carbonyl]cyclopropyl}carbamate
CAS 2003049-79-2C16H21NO3
![Benzyl 7-hydroxy-2-azaspiro[4.4]nonane-2-carboxylate chemical structure, C16H21NO3, CAS 2680625-72-1](/s/AUESEYGUBNKJRH-UHFFFAOYSA-N.svg)
Benzyl 7-hydroxy-2-azaspiro[4.4]nonane-2-carboxylate
CAS 2680625-72-1C16H21NO3
![Benzyl 2-hydroxy-2-methyl-8-azabicyclo[3.2.1]octane-8-carboxylate chemical structure, C16H21NO3, CAS 2935423-47-3](/s/PPYZKEYCHODBRB-UHFFFAOYSA-N.svg)
Benzyl 2-hydroxy-2-methyl-8-azabicyclo[3.2.1]octane-8-carboxylate
CAS 2935423-47-3C16H21NO3
![Methyl 3-[(cyclohexylcarbonyl)amino]-2-methylbenzoate chemical structure, C16H21NO3, CAS 895981-12-1](/s/XENKUOPYRBUQBM-UHFFFAOYSA-N.svg)
Methyl 3-[(cyclohexylcarbonyl)amino]-2-methylbenzoate
CAS 895981-12-1C16H21NO3
- Methyl 1-[4-(1,1-dimethylethyl)phenyl]-5-oxo-3-pyrrolidinecarboxylate133747-82-7C16H21NO3
- (R)-4-Benzyl-3-hexanoyloxazolidin-2-one359862-14-9C16H21NO3
- 3-Piperidineacetic acid, 2-oxo-1-(3-phenylpropyl)-828259-32-1C16H21NO3
- Methyl 1-benzyl-4,4-dimethyl-6-oxopiperidine-3-carboxylate612095-81-5C16H21NO3
- (S)-Benzyl 4-oxo-2-propylpiperidine-1-carboxylateC16H21NO3
- (S)-4-Benzyl-3-(3,3-dimethylbutanoyl)oxazolidin-2-one104266-91-3C16H21NO3
- N-(1-Cyclopropylethyl)-2-(4-formyl-2,6-dimethylphenoxy)acetamide923248-42-4C16H21NO3
- tert-Butyl 7-formyl-1-methyl-3,4-dihydroisoquinoline-2(1H)-carboxylate371221-65-7C16H21NO3
- 1-(2-Methyl-2-phenylpropanoyl)piperidine-4-carboxylic acid1016672-99-3C16H21NO3
- Ethyl 3-methyl-3H-spiro[isobenzofuran-1,4'-piperidine]-1'-carboxylate59142-80-2C16H21NO3
- Phenylmethyl (2S)-2-(1-methylethyl)-4-oxo-1-piperidinecarboxylate852051-12-8C16H21NO3
- 1-[3-(4-Methylphenyl)-1-oxopropyl]-3-piperidinecarboxylic acid1098369-41-5C16H21NO3
- 5-Hydroxy propranolol-d51185084-01-8C16H21NO3
- rac 7-Hydroxy Propranolol-d51184982-94-2C16H21NO3
- Ethyl (1-benzyl-3-oxopiperidin-4-yl)acetate72394-43-5C16H21NO3
- tert-Butyl 3-(3-cyanophenethoxy)propanoate1201640-68-7C16H21NO3
- Ethyl 1-benzyl-2-methyl-3-oxopiperidine-4-carboxylate189884-30-8C16H21NO3
- 3-[1-(4-Methylbenzoyl)piperidin-3-yl]propanoic acid1291575-60-4C16H21NO3
- 2-(4-Methylphenyl)-1-(2-methylpropyl)-5-oxopyrrolidine-3-carboxylic acid1268028-64-3C16H21NO3
- 2-Benzyl-7-oxa-2-azaspiro[4.5]decane-4-carboxylic acid1410499-59-0C16H21NO3
- Benzyl 2,2-dimethyl-4-oxocyclohexylcarbamate1365155-15-2C16H21NO3
- (3-Cyclohexylcarbamoylmethyl-phenyl)-acetic acid950503-32-9C16H21NO3
- Rac-2-ethoxy-3-(3-methyl-1H-indol-5-yl)-propionic acid ethyl ester671215-50-2C16H21NO3
- Rac-2-ethoxy-3-(2-methyl-1H-indol-5-yl)-propionic acid ethyl ester671215-51-3C16H21NO3
- Methyl 4-(dimethylamino)-3-(2-oxocyclohexyl)benzoate89787-30-4C16H21NO3
- 1 suppliers2-(9-(Pyridin-2-yl)-6-oxaspiro[4.5]decan-9-yl)acetic acid1956371-60-0C16H21NO3
- Ethyl [7-(acetylamino)-1,2,3,4-tetrahydro-1-naphthalenyl]ethanoate1098608-24-2C16H21NO3
- Ethyl 5-benzyl-2-oxa-5-azaspiro[3.4]octane-7-carboxylate1538627-45-0C16H21NO3
- N-(1-(2,3-Dihydrobenzofuran-5-yl)propan-2-yl)tetrahydrofuran-3-carboxamide2034350-14-4C16H21NO3
- (R)-1-((R)-1-(4-Methoxyphenyl)ethyl)-4-propionylpyrrolidin-2-one1650544-72-1C16H21NO3
- tert-Butyl methyl(4-oxo-1,2,3,4-tetrahydronaphthalen-1-yl)carbamate1956327-78-8C16H21NO3
- I(2)-[(Cyclopentylcarbonyl)amino]-2-methylbenzenepropanoic acid1226001-93-9C16H21NO3
- N-(Oxan-4-yl)-N-(2-phenoxyethyl)prop-2-enamide2094842-05-2C16H21NO3
- N-(Cyclopropylmethyl)-N-[(2,4-dimethoxyphenyl)methyl]prop-2-enamide2094628-10-9C16H21NO3
- Benzyl 1-(hydroxymethyl)-6-azaspiro[2.5]octane-6-carboxylate1823265-15-1C16H21NO3
- N-[2-(1-Benzofuran-2-yl)-2-methoxyethyl]-2,2-dimethylpropanamide2195950-88-8C16H21NO3
- N-[2,2-Bis(furan-2-yl)ethyl]-3,3-dimethylbutanamide2320957-35-3C16H21NO3
- tert-Butyl 2-(hydroxymethyl)-3,4-dimethyl-1H-indole-1-carboxylate2101618-72-6C16H21NO3
- tert-Butyl 2-formyl-2-phenylpyrrolidine-1-carboxylate2174008-19-4C16H21NO3
- 9-Boc-6-methoxy-1,2,3,4-tetrahydro-1,4-epiminonaphthalene2243774-90-3C16H21NO3
- 1-(6,8-Dimethoxy-1,1-dimethyl-3,4-dihydroisoquinolin-2-yl)prop-2-en-1-one2361639-04-3C16H21NO3
- N-[2-(2-Methoxyphenyl)-2-propan-2-yloxyethyl]but-2-ynamide2411293-25-7C16H21NO3
- N-[[3-(Oxolan-2-ylmethoxymethyl)phenyl]methyl]prop-2-enamide2411278-37-8C16H21NO3
- N-[(2-Cyclopentyloxy-4-methoxyphenyl)methyl]prop-2-enamide2411246-14-3C16H21NO3
- N-[[4-Methyl-2-(oxolan-2-ylmethoxy)phenyl]methyl]prop-2-enamide2411240-41-8C16H21NO3
- Methyl 1-[(4-acetyl-2-ethylphenyl)methyl]-3-azetidinecarboxylate2474774-16-6C16H21NO3
- 6-(2-Methylpropoxy)-2-(oxirane-2-carbonyl)-1,2,3,4-tetrahydroisoquinoline2411253-64-8C16H21NO3
- 3-(3-Methoxy-4-methylphenyl)-1-(oxirane-2-carbonyl)piperidine2411284-42-7C16H21NO3
- N-[[1-(2-Methoxyphenyl)cyclopentyl]methyl]oxirane-2-carboxamide2411260-77-8C16H21NO3
- N-{[1-(3-Methoxyphenyl)cyclopentyl]methyl}oxirane-2-carboxamide2411217-72-4C16H21NO3
- N-(2,2-Dimethyl-3-phenylmethoxycyclobutyl)oxirane-2-carboxamide2411285-61-3C16H21NO3
- 2-(4-Methoxyphenyl)-1-(oxirane-2-carbonyl)azepane2411275-08-4C16H21NO3
- N-[1-(2,2-Dimethyl-3H-1-benzofuran-5-yl)propyl]oxirane-2-carboxamide2418726-38-0C16H21NO3
- rac-Methyl(3aR,7aR)-2-benzyl-octahydropyrano[3,4-c]pyrrole-7a-carboxylate,cis2470280-22-7C16H21NO3
- Methyl 6-benzyl-octahydropyrano[2,3-c]pyrrole-4a-carboxylate2460749-98-6C16H21NO3
- Benzyl (4aR,7S,7aR)-7-hydroxyoctahydro-2H-cyclopenta[c]pyridine-2-carboxylate2920198-14-5C16H21NO3
- rel-Methyl (4aS,7aS)-6-benzylhexahydropyrano[2,3-c]pyrrole-7a(2H)-carboxylate2696257-57-3C16H21NO3
- Benzyl (3aS,6aR)-3a-(hydroxymethyl)-octahydrocyclopenta[b]pyrrole-1-carboxylate2679935-47-6C16H21NO3
- Methyl (1S,3S,4S)-5-hydroxy-2-[(1R)-1-phenylethyl]-2-azabicyclo[2.2.1]heptane-3-carboxylate2850365-91-0C16H21NO3
- tert-Butyl 4-(hydroxymethyl)-5,7-dimethyl-1H-indole-1-carboxylate2758655-01-3C16H21NO3
- Furfurylamine, N-(alpha-methylphenethyl)-, acetate (±)-2980-12-3C16H21NO3
- Agn-PC-0jklon22194-33-8C16H21NO3
- Benzoic acid, 4-(4,5-dihydro-5-pentyl-3-isoxazolyl)-, methyl ester568588-35-2C16H21NO3
- 2,4-Hexadienamide, 6-hydroxy-N-(2-hydroxy-2-methylpropyl)-6-phenyl-, (E,E)-120231-92-7C16H21NO3
- 4-Pentenoic acid, 2-(benzoylamino)-, 1,1-dimethylethyl ester, (2R)-923276-13-5C16H21NO3
- Ethyl 3-oxo-1-(2-phenylethyl)-4-piperidinecarboxylate73343-89-2C16H21NO3
- But-3-yn-2-yl (4-ethoxy-3-propylphenyl)carbamate88715-46-2C16H21NO3
- tert-Butyl 2-benzyl-5-oxopyrrolidine-1-carboxylate1824417-62-0C16H21NO3
- 3-Cyclohexyl-5-(phenoxymethyl)-1,3-oxazolidin-2-one65861-67-8C16H21NO3
- tert-Butyl 4-(4-oxopiperidin-1-yl)benzoate95017-68-8C16H21NO3
- tert-Butyl N-[2-methyl-4-(3-oxobut-1-en-1-yl)phenyl]carbamate666746-53-8C16H21NO3
- Methyl 1-(2,2-dimethylpropyl)-5-methoxy-1H-indole-3-carboxylate739366-07-5C16H21NO3
- Methyl (5S,7R)-7-((benzyloxy)methyl)-1-azabicyclo[3.2.0]heptane-5-carboxylate1004751-82-9C16H21NO3
- 8-{(2R)-2-Hydroxy-3-[(propan-2-yl)amino]propoxy}naphthalen-2-ol81907-80-4C16H21NO3
- 8-{(2S)-2-Hydroxy-3-[(propan-2-yl)amino]propoxy}naphthalen-2-ol91796-23-5C16H21NO3
- Ethyl (2S)-I(2)-oxo-1-(phenylmethyl)-2-pyrrolidinepropanoate1252686-46-6C16H21NO3
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 8,9-Dimethyl-5-oxo-2,3,4,5-tetrahydro-benzo[b]azepine-1-carboxylic acid isopropyl ester, tert-Butyl 6-formyl-1,2,3,4-tetrahydronaphthalen-2-ylcarbamate, 4-Hydroxy-4-[4-(4-morpholinyl)phenyl]cyclohexanone. 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.