Molecular formula
C21H28N2O3
162 compounds have this formula on CompoundList.
- Molar mass
- 356.47g/mol
- Monoisotopic mass
- 356.2100Da
- Atoms
- 54
- Elements
- 4
- Rings plus double bonds
- 9
The formula C21H28N2O3 describes a molecule made of 21 carbon atoms, 28 hydrogen atoms, 2 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 × 2170.76%12.011 × 21 = 252.231 g/mol
- H Hydrogen × 287.92%1.008 × 28 = 28.224 g/mol
- N Nitrogen × 27.86%14.007 × 2 = 28.014 g/mol
- O Oxygen × 313.46%15.999 × 3 = 47.997 g/mol
Look up another formula
Compounds with the formula C21H28N2O3
Isomers we list, best known first. Open one to see its structure, properties, safety data and suppliers.
Showing 101 to 162 of 162 compounds
![[(Cyanomethyl)(phenyl)carbamoyl]methyl 4-tert-butylcyclohexane-1-carboxylate chemical structure, C21H28N2O3, CAS 1096004-93-1](/s/IYXJXISPEGEPQO-UHFFFAOYSA-N.svg)
[(Cyanomethyl)(phenyl)carbamoyl]methyl 4-tert-butylcyclohexane-1-carboxylate
CAS 1096004-93-1C21H28N2O3
![N-[2-(Dimethylamino)-2-(2-methoxyphenyl)ethyl]-2-(2,3-dimethylphenoxy)acetamide chemical structure, C21H28N2O3, CAS 1049137-97-4](/s/LZBNPOREDASYAW-UHFFFAOYSA-N.svg)
N-[2-(Dimethylamino)-2-(2-methoxyphenyl)ethyl]-2-(2,3-dimethylphenoxy)acetamide
CAS 1049137-97-4C21H28N2O3
2-(2,4-Dimethoxy-benzyl)-4-(2-dimethylamino-ethoxy)-2,3-dihydro-1H-isoindole
CAS 912999-96-3C21H28N2O3
![1,1-Dimethylethyl cyclopropyl{[6-(3-hydroxypropyl)-8-quinolinyl]methyl}carbamate chemical structure, C21H28N2O3, CAS 1229245-72-0](/s/PFYZJPQIBNKHDF-UHFFFAOYSA-N.svg)
1,1-Dimethylethyl cyclopropyl{[6-(3-hydroxypropyl)-8-quinolinyl]methyl}carbamate
CAS 1229245-72-0C21H28N2O3
1-(5-Hydroxy-3-phenylpentyl)-3-(4-methoxyphenethyl)urea
CAS 1798672-43-1C21H28N2O3
N-(Adamantan-1-yl)-2-(oxan-4-yloxy)pyridine-4-carboxamide
CAS 2034391-73-4C21H28N2O3
N1-(2-(cyclohex-1-en-1-yl)ethyl)-N2-((2-methoxy-2,3-dihydro-1H-inden-2-yl)methyl)oxalamide
CAS 1903423-95-9C21H28N2O3
![[(1-Cyanocyclohexyl)carbamoyl]methyl 2,3,4,5,6-pentamethylbenzoate chemical structure, C21H28N2O3, CAS 877237-07-5](/s/ZEAZQZWJDACCSQ-UHFFFAOYSA-N.svg)
[(1-Cyanocyclohexyl)carbamoyl]methyl 2,3,4,5,6-pentamethylbenzoate
CAS 877237-07-5C21H28N2O3
1-(6,7-Dimethoxyquinolin-4-yl)-3-(3-ethylpiperidin-4-yl)propan-1-one
CAS 26695-38-5C21H28N2O3
![1-[2-(4-Methoxyphenoxy)ethyl]-4-(2-phenoxyethyl)piperazine chemical structure, C21H28N2O3, CAS 918482-14-1](/s/VVYOYGKAXVHCFL-UHFFFAOYSA-N.svg)
1-[2-(4-Methoxyphenoxy)ethyl]-4-(2-phenoxyethyl)piperazine
CAS 918482-14-1C21H28N2O3
![[3-(2-Hydroxy-ethyl)-benzyl]-(2-pyridin-2-yl-ethyl)-carbamic acid tert-butyl ester chemical structure, C21H28N2O3, CAS 950502-13-3](/s/AVHIRFQYPOZYIB-UHFFFAOYSA-N.svg)
[3-(2-Hydroxy-ethyl)-benzyl]-(2-pyridin-2-yl-ethyl)-carbamic acid tert-butyl ester
CAS 950502-13-3C21H28N2O3
![4-[3-(Cyclopropylmethoxy)pyrrolidine-1-carbonyl]-1-(3,4-dimethylphenyl)pyrrolidin-2-one chemical structure, C21H28N2O3, CAS 2034538-75-3](/s/HNWFOYPMRYKEGB-UHFFFAOYSA-N.svg)
4-[3-(Cyclopropylmethoxy)pyrrolidine-1-carbonyl]-1-(3,4-dimethylphenyl)pyrrolidin-2-one
CAS 2034538-75-3C21H28N2O3
![N-({4-[4-(Oxan-4-yl)piperidine-1-carbonyl]phenyl}methyl)prop-2-enamide chemical structure, C21H28N2O3, CAS 2197819-58-0](/s/MZXAHZOYDATJRG-UHFFFAOYSA-N.svg)
N-({4-[4-(Oxan-4-yl)piperidine-1-carbonyl]phenyl}methyl)prop-2-enamide
CAS 2197819-58-0C21H28N2O3
![N-[[4-(4-Cyclopentyloxypiperidine-1-carbonyl)phenyl]methyl]prop-2-enamide chemical structure, C21H28N2O3, CAS 2198295-24-6](/s/WHGPYVDLUISUNW-UHFFFAOYSA-N.svg)
N-[[4-(4-Cyclopentyloxypiperidine-1-carbonyl)phenyl]methyl]prop-2-enamide
CAS 2198295-24-6C21H28N2O3
![1-[4-[4-(3-Methoxyphenyl)piperidine-1-carbonyl]piperidin-1-yl]prop-2-en-1-one chemical structure, C21H28N2O3, CAS 2361756-97-8](/s/QDXVTIMXDNXEDO-UHFFFAOYSA-N.svg)
1-[4-[4-(3-Methoxyphenyl)piperidine-1-carbonyl]piperidin-1-yl]prop-2-en-1-one
CAS 2361756-97-8C21H28N2O3
![N-[(1-Hydroxycyclobutyl)methyl]-N-methyl-4-phenyl-1-prop-2-enoylpiperidine-4-carboxamide chemical structure, C21H28N2O3, CAS 2198262-18-7](/s/RCBSOHXOQGXOKF-UHFFFAOYSA-N.svg)
N-[(1-Hydroxycyclobutyl)methyl]-N-methyl-4-phenyl-1-prop-2-enoylpiperidine-4-carboxamide
CAS 2198262-18-7C21H28N2O3
![N-[2-(3-Hydroxycyclobutyl)ethyl]-4-phenyl-1-prop-2-enoylpiperidine-4-carboxamide chemical structure, C21H28N2O3, CAS 2200501-53-5](/s/IYDMQWRFMSRRDP-UHFFFAOYSA-N.svg)
N-[2-(3-Hydroxycyclobutyl)ethyl]-4-phenyl-1-prop-2-enoylpiperidine-4-carboxamide
CAS 2200501-53-5C21H28N2O3
N-(3-Methoxycyclobutyl)-N-methyl-4-phenyl-1-prop-2-enoylpiperidine-4-carboxamide
CAS 2361842-22-8C21H28N2O3
N-(2-Cyclobutyl-2-hydroxyethyl)-4-phenyl-1-prop-2-enoylpiperidine-4-carboxamide
CAS 2198294-64-1C21H28N2O3
tert-Butyl 4-(but-2-ynamido)-5-phenylazepane-1-carboxylate
CAS 2411195-54-3C21H28N2O3
![tert-Butyl 6-phenyl-6-[(prop-2-enamido)methyl]-2-azaspiro[3.3]heptane-2-carboxylate chemical structure, C21H28N2O3, CAS 2411249-34-6](/s/JQUITSIZQPUEAZ-UHFFFAOYSA-N.svg)
tert-Butyl 6-phenyl-6-[(prop-2-enamido)methyl]-2-azaspiro[3.3]heptane-2-carboxylate
CAS 2411249-34-6C21H28N2O3
1,1-Dimethylethyl 6-(4-ethyl-4-hydroxy-1-piperidinyl)-4-quinolinecarboxylate
CAS 2791477-27-3C21H28N2O3
Urea, 3-((3,5-dimethoxyphenyl)methyl)-1,1-dimethyl-3-(4-propan-2-ylphenyl)-
CAS 136132-24-6C21H28N2O3
![1-[Phenyl(3,4,5-trimethoxyphenyl)methyl]-1,4-diazepane chemical structure, C21H28N2O3, CAS 506409-22-9](/s/FPPFSSBNTOQSST-UHFFFAOYSA-N.svg)
1-[Phenyl(3,4,5-trimethoxyphenyl)methyl]-1,4-diazepane
CAS 506409-22-9C21H28N2O3
- Morphinan-6-one, 3-(2-(dimethylamino)ethoxy)-4,5-epoxy-17-methyl-, (5R)-61269-22-5C21H28N2O3
- Cyclohexanone, 6-(1,3-benzodioxol-5-ylmethylene)-2-methyl-2-((4-methyl-1-piperazinyl)methyl)-69920-40-7C21H28N2O3
- N-(2-{[2-Hydroxy-3-(2-phenylethoxy)propyl]amino}ethyl)-2-phenylacetamide121508-90-5C21H28N2O3
- 4-[2-(3-Cyanophenyl)-3-oxobutyl]-1-piperidinecarboxylic acid 1,1-dimethylethyl ester958850-98-1C21H28N2O3
- N-(5-Amino-2-methoxyphenyl)-4-(heptyloxy)benzamide1020055-75-7C21H28N2O3
- N-(5-Amino-2-methoxyphenyl)-2-[2-(sec-butyl)-phenoxy]butanamide1020055-36-0C21H28N2O3
- Methyl 17alpha-hydroxy-20alpha-2,7-dihydroyohimban-16beta-carboxylate54713-50-7C21H28N2O3
- N-[4-(2-Hydroxyethyl)benzyl]-N-[2-(2-pyridyl)ethyl]carbamic acid tert-butyl ester950502-56-4C21H28N2O3
- 1-(Cyclobutylmethyl)-3-(4-methoxybenzyl)-1,3-diazaspiro[4.5]decane-2,8-dione2104015-92-9C21H28N2O3
- N-[2-(Oxolan-2-yl)ethyl]-4-phenyl-1-(prop-2-enoyl)piperidine-4-carboxamide2198720-06-6C21H28N2O3
- 1-{4-[4-(Hydroxymethyl)piperidine-1-carbonyl]-4-phenylpiperidin-1-yl}prop-2-en-1-one2197746-19-1C21H28N2O3
- 1-{4-[3-(2-Hydroxyethyl)pyrrolidine-1-carbonyl]-4-phenylpiperidin-1-yl}prop-2-en-1-one2198424-63-2C21H28N2O3
- 4-Phenyl-1-(prop-2-enoyl)-N-[(1r,4r)-4-hydroxycyclohexyl]piperidine-4-carboxamide2199963-88-5C21H28N2O3
- 1-[4-(3-Ethyl-3-hydroxypyrrolidine-1-carbonyl)-4-phenylpiperidin-1-yl]prop-2-en-1-one2202364-30-3C21H28N2O3
- 1-[4-(4-Hydroxyazepane-1-carbonyl)-4-phenylpiperidin-1-yl]prop-2-en-1-one2199901-20-5C21H28N2O3
- 1-{4-[4-(Benzyloxy)piperidine-1-carbonyl]piperidin-1-yl}prop-2-en-1-one2361704-45-0C21H28N2O3
- 1-[4-(6-Propoxy-1,2,3,4-tetrahydroisoquinoline-2-carbonyl)piperidin-1-yl]prop-2-en-1-one2361748-71-0C21H28N2O3
- N-{4-[(Cyclopentyloxy)methyl]phenyl}-1-(prop-2-enoyl)piperidine-4-carboxamide2411229-56-4C21H28N2O3
- 1-(6,8-Dimethoxyquinolin-4-yl)-3-[(3R,4S)-3-ethylpiperidin-4-yl]propan-2-one26599-68-8C21H28N2O3
- 6'-Methoxy-10-methyl-8alpha-10,11-dihydrocinchonan-9,10-diol97307-79-4C21H28N2O3
- N-[5-[4-(Dimethylamino)-2-methoxyphenoxy]pentyl]benzamide4947-91-5C21H28N2O3
- 2',6'-Dimethoxy-8alpha-10,11-dihydrocinchonan-9-ol80628-16-6C21H28N2O3
- Hydroquinine, 8a(2)-methoxy-, (A+/-)-26599-78-0C21H28N2O3
- tert-Butyl 4-((quinolin-8-ylmethoxy)methyl)piperidine-1-carboxylate1265896-11-4C21H28N2O3
- Rauvoyunine A1414883-81-0C21H28N2O3
- (1S,12S,13R,14R)-14-[(E)-1-Hydroxybut-2-en-2-yl]-13-(hydroxymethyl)-3,16-dimethyl-3,16-diazatetracyclo[10.3.1.02,10.04,9]hexadeca-2(10),4(9),5,7-tetraen-7-olC21H28N2O3
- Methyl (R)-2-((2R,3R,12BS)-3-ethyl-1,2,3,4,6,7,12,12B-octahydroindolo[2,3-A]quinolizin-2-yl)-3-hydroxypropanoate130061-78-8C21H28N2O3
- (3E,10S)-10-Methyl-2,5,7,8,9,10,11,12-octahydrospiro[1,8,11-benzoxadiazacyclotetradecine-6,1'-cyclohexan]-3-ene-7,12-dione2253619-80-4C21H28N2O3
- tert-Butyl 4-(3-ethynyl-5-formyl-2,4,6-trimethylphenyl)piperazine-1-carboxylate2418661-55-7C21H28N2O3
- Benzyl N-(oxan-4-yl)-N-[1-(prop-2-yn-1-yl)piperidin-4-yl]carbamate2680717-79-5C21H28N2O3
- tert-Butyl (4-((5-amino-[1,1'-biphenyl]-2-yl)oxy)butyl)carbamate3078334-30-9C21H28N2O3
- tert-Butyl 5-amino-2-(benzyloxy)benzyl(ethyl)carbamate3078345-93-1C21H28N2O3
- tert-Butyl 4-((4-ethynyl-N-methylbenzamido)methyl)piperidine-1-carboxylate3078391-97-3C21H28N2O3
- Cinchonan-9-ol, 10,11-dihydro-6a(2),7a(2)-dimethoxy-, (8I+/-,9R)-(A+/-)-26695-42-1C21H28N2O3
- tert-Butyl N-[2-(4-aminophenyl)ethyl]-N-(2-hydroxy-2-phenylethyl)carbamateC21H28N2O3
- (1S,12S,14S)-14-[(E)-1-Hydroxybut-2-en-2-yl]-13-(hydroxymethyl)-3,16-dimethyl-3,16-diazatetracyclo[10.3.1.02,10.04,9]hexadeca-2(10),4(9),5,7-tetraen-7-olC21H28N2O3
- 14-(1-Hydroxybut-2-en-2-yl)-13-(hydroxymethyl)-3,16-dimethyl-3,16-diazatetracyclo[10.3.1.02,10.04,9]hexadeca-2(10),4(9),5,7-tetraen-7-olC21H28N2O3
- 14-[(Z)-1-Hydroxybut-2-en-2-yl]-13-(hydroxymethyl)-3,16-dimethyl-3,16-diazatetracyclo[10.3.1.02,10.04,9]hexadeca-2(10),4(9),5,7-tetraen-7-olC21H28N2O3
Frequently asked questions
What is the molar mass of C21H28N2O3?
The molar mass of C21H28N2O3 is 356.47 g/mol, calculated from standard atomic weights for 21 carbon atoms, 28 hydrogen atoms, 2 nitrogen atoms and 3 oxygen atoms. The monoisotopic mass is 356.2100 Da.
How many compounds have the formula C21H28N2O3?
CompoundList lists 162 compounds with the molecular formula C21H28N2O3, including [(Cyanomethyl)(phenyl)carbamoyl]methyl 4-tert-butylcyclohexane-1-carboxylate, N-[2-(Dimethylamino)-2-(2-methoxyphenyl)ethyl]-2-(2,3-dimethylphenoxy)acetamide, 2-(2,4-Dimethoxy-benzyl)-4-(2-dimethylamino-ethoxy)-2,3-dihydro-1H-isoindole. 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 C21H28N2O3?
C21H28N2O3 has a degree of unsaturation of 9. 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.