Molecular formula
C21H28N2O2
174 compounds have this formula on CompoundList.
- Molar mass
- 340.47g/mol
- Monoisotopic mass
- 348.2653Da
- Atoms
- 53
- Elements
- 4
- Rings plus double bonds
- 9
The formula C21H28N2O2 describes a molecule made of 21 carbon atoms, 28 hydrogen atoms, 2 nitrogen atoms and 2 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 × 2174.08%12.011 × 21 = 252.231 g/mol
- H Hydrogen × 288.29%1.008 × 28 = 28.224 g/mol
- N Nitrogen × 28.23%14.007 × 2 = 28.014 g/mol
- O Oxygen × 29.40%15.999 × 2 = 31.998 g/mol
Look up another formula
Compounds with the formula C21H28N2O2
Isomers we list, best known first. Open one to see its structure, properties, safety data and suppliers.
Showing 101 to 174 of 174 compounds
1-(4-Ethoxybenzyl)-4-(3-methoxybenzyl)piperazine
CAS 423748-29-2C21H28N2O2
3-Cyclopentyl-N-(2-(5,8-dimethyl-2-oxo-1,2-dihydroquinolin-3-yl)ethyl)propanamide
CAS 851407-16-4C21H28N2O2
N-(3-(4-(Dimethylamino)phenyl)propyl)-4-isopropoxybenzamide
CAS 953196-59-3C21H28N2O2
N-(4-tert-Butylcyclohexyl)-N'-(7-hydroxynaphthalen-1-yl)urea
CAS 648420-66-0C21H28N2O2
![1-[2-(4-Methoxyphenoxy)ethyl]-4-(2-phenylethyl)piperazine chemical structure, C21H28N2O2, CAS 918482-15-2](/s/ZLDKRZOBFOKSCF-UHFFFAOYSA-N.svg)
1-[2-(4-Methoxyphenoxy)ethyl]-4-(2-phenylethyl)piperazine
CAS 918482-15-2C21H28N2O2
![4-{2-[(4-Methoxyphenyl)methyl]pyrrolidine-1-carbonyl}-1-(prop-2-yn-1-yl)piperidine chemical structure, C21H28N2O2, CAS 1252184-44-3](/s/CSOVNWCDXXVAIE-UHFFFAOYSA-N.svg)
4-{2-[(4-Methoxyphenyl)methyl]pyrrolidine-1-carbonyl}-1-(prop-2-yn-1-yl)piperidine
CAS 1252184-44-3C21H28N2O2
![(S)-2-{[(Naphthalen-2-ylmethyl)-amino]-methyl}-pyrrolidine-1-carboxylic acid tert-butyl ester chemical structure, C21H28N2O2, CAS 862494-33-5](/s/QUMUUYSCOKUPQF-IBGZPJMESA-N.svg)
(S)-2-{[(Naphthalen-2-ylmethyl)-amino]-methyl}-pyrrolidine-1-carboxylic acid tert-butyl ester
CAS 862494-33-5C21H28N2O2
1-Benzhydryl-3-(3-hydroxy-4,4-dimethylpentyl)urea
CAS 1396801-82-3C21H28N2O2
4-(tert-Butyl)-N-(2-(4-(dimethylamino)phenyl)-2-hydroxyethyl)benzamide
CAS 1421514-24-0C21H28N2O2
![N-[(6-Methoxy-1,2,3,4-tetrahydronaphthalen-1-yl)methyl]-1-prop-2-ynylpiperidine-4-carboxamide chemical structure, C21H28N2O2, CAS 1645426-10-3](/s/FTXLTMXPUYMDLP-UHFFFAOYSA-N.svg)
N-[(6-Methoxy-1,2,3,4-tetrahydronaphthalen-1-yl)methyl]-1-prop-2-ynylpiperidine-4-carboxamide
CAS 1645426-10-3C21H28N2O2
![1-Prop-2-enoyl-N-[(1R)-1-(5,6,7,8-tetrahydronaphthalen-2-yl)ethyl]piperidine-4-carboxamide chemical structure, C21H28N2O2, CAS 2361573-77-3](/s/MXWRIVVFHQNUCN-OAHLLOKOSA-N.svg)
1-Prop-2-enoyl-N-[(1R)-1-(5,6,7,8-tetrahydronaphthalen-2-yl)ethyl]piperidine-4-carboxamide
CAS 2361573-77-3C21H28N2O2
N-(4-Cyanooxan-4-yl)-5,5,8,8-tetramethyl-5,6,7,8-tetrahydronaphthalene-2-carboxamide
CAS 2129729-30-0C21H28N2O2
N-(1-Benzylcyclopentyl)-1-(prop-2-enoyl)piperidine-4-carboxamide
CAS 2361785-24-0C21H28N2O2
![tert-Butyl N-[2-(dibenzylamino)ethyl]carbamate chemical structure, C21H28N2O2, CAS 2386574-83-8](/s/GTAQNOQJWQSLTN-UHFFFAOYSA-N.svg)
tert-Butyl N-[2-(dibenzylamino)ethyl]carbamate
CAS 2386574-83-8C21H28N2O2
![N-[4-(Diethylamino)phenyl]-2-(2,4,6-trimethylphenoxy)acetamide chemical structure, C21H28N2O2, CAS 311315-68-1](/s/RKLXFLOFBFMPBF-UHFFFAOYSA-N.svg)
N-[4-(Diethylamino)phenyl]-2-(2,4,6-trimethylphenoxy)acetamide
CAS 311315-68-1C21H28N2O2
![1-[2-(4-Methoxyphenyl)ethyl]-4-(2-phenoxyethyl)piperazine chemical structure, C21H28N2O2, CAS 918482-12-9](/s/NCSADXGULNCDJQ-UHFFFAOYSA-N.svg)
1-[2-(4-Methoxyphenyl)ethyl]-4-(2-phenoxyethyl)piperazine
CAS 918482-12-9C21H28N2O2
![3-Methyl-N-[2-(5-methylfuran-2-yl)-2-(4-methylpiperidin-1-yl)ethyl]benzamide chemical structure, C21H28N2O2, CAS 942884-51-7](/s/MDYBOYSXIKVSHQ-UHFFFAOYSA-N.svg)
3-Methyl-N-[2-(5-methylfuran-2-yl)-2-(4-methylpiperidin-1-yl)ethyl]benzamide
CAS 942884-51-7C21H28N2O2
N-(5-Amino-2-methylphenyl)-4-(heptyloxy)benzamide
CAS 1020724-00-8C21H28N2O2
![Cyclohexaneacetic acid,4-[4-[(1Z)-1-cyano-2-(dimethylamino)ethenyl]phenyl]-,ethyl ester,trans- chemical structure, C21H28N2O2, CAS 1031336-86-3](/s/NZHOSHDNUFGVNL-HMMYKYKNSA-N.svg)
Cyclohexaneacetic acid,4-[4-[(1Z)-1-cyano-2-(dimethylamino)ethenyl]phenyl]-,ethyl ester,trans-
CAS 1031336-86-3C21H28N2O2
![N-[4-(3-Methoxyazetidin-1-yl)phenyl]adamantane-1-carboxamide chemical structure, C21H28N2O2, CAS 2034523-68-5](/s/YYWGDWWQULGYEC-UHFFFAOYSA-N.svg)
N-[4-(3-Methoxyazetidin-1-yl)phenyl]adamantane-1-carboxamide
CAS 2034523-68-5C21H28N2O2
Evocalcet impurity 27
CAS 1039631-63-4C21H28N2O2
N-(2-Cyclopropylpropyl)-4-phenyl-1-prop-2-enoylpiperidine-4-carboxamide
CAS 2201992-23-4C21H28N2O2
![4-Phenyl-N-[(1R,2S)-2-propan-2-ylcyclopropyl]-1-prop-2-enoylpiperidine-4-carboxamide chemical structure, C21H28N2O2, CAS 2198123-29-2](/s/TXZBIOYFPOZFSR-ZWKOTPCHSA-N.svg)
4-Phenyl-N-[(1R,2S)-2-propan-2-ylcyclopropyl]-1-prop-2-enoylpiperidine-4-carboxamide
CAS 2198123-29-2C21H28N2O2
N-(1-Cyclopropylpropyl)-4-phenyl-1-(prop-2-enoyl)piperidine-4-carboxamide
CAS 2197751-69-0C21H28N2O2
- N-(4-Cyclobutylcyclohexyl)-4-[(prop-2-enoylamino)methyl]benzamide2201815-49-6C21H28N2O2
- (E)-4-(Dimethylamino)-N-methyl-N-[(2-propoxynaphthalen-1-yl)methyl]but-2-enamide2411332-20-0C21H28N2O2
- N-[4-(Diethylamino)-2-methylphenyl]-2-(2,3-dimethylphenoxy)acetamide701968-38-9C21H28N2O2
- [4-(4-Isopropyl-benzylamino)-2-methylphenyl]-carbamic acid propyl ester766516-84-1C21H28N2O2
- [(Dibenzylamino)oxy](hexylamino)methanone113659-05-5C21H28N2O2
- N-[3-(Diethylamino)propyl]-2-hydroxy-2,2-diphenylacetamide16497-07-7C21H28N2O2
- 3-((S)-1-(Methyl((S)-1-phenylethyl)amino)ethyl)phenyl ethyl(methyl)carbamate1017234-25-1C21H28N2O2
- N-(3-Amino-2-methylphenyl)-4-(heptyloxy)benzamide1020056-58-9C21H28N2O2
- N-(4-Amino-2-methylphenyl)-4-(heptyloxy)benzamide1020057-85-5C21H28N2O2
- N-(5-Amino-2-methylphenyl)-2-[2-(sec-butyl)-phenoxy]butanamide1020055-00-8C21H28N2O2
- N-(3-Amino-2-methylphenyl)-2-[2-(sec-butyl)-phenoxy]butanamide1020055-76-8C21H28N2O2
- N-(4-Amino-2-methylphenyl)-2-[2-(sec-butyl)-phenoxy]butanamide1020055-25-7C21H28N2O2
- N-Cyclopropyl-4-(ethyl(propyl)amino)-N-(1-(furan-2-yl)ethyl)benzamide1311932-36-1C21H28N2O2
- tert-Butyl 3-(((R)-1-(naphthalen-1-yl)ethyl)amino)pyrrolidine-1-carboxylate870859-04-4C21H28N2O2
- 5-[4-[1-(Dimethylamino)cyclobutyl]-3-methoxyphenyl]-1,3,4-trimethyl-2(1H)-pyridinone2001082-05-7C21H28N2O2
- 5-[4-[1-(Dimethylamino)cyclobutyl]-3-methoxyphenyl]-1,3,6-trimethyl-2(1H)-pyridinone2001082-20-6C21H28N2O2
- 1-[4-(2-Benzyl-2-methylpyrrolidine-1-carbonyl)piperidin-1-yl]prop-2-en-1-one2361840-24-4C21H28N2O2
- N-Cyclopropyl-N-[(3,4-dimethylphenyl)methyl]-1-(prop-2-enoyl)piperidine-4-carboxamide2361713-23-5C21H28N2O2
- 1-[4-(4-Benzylpiperidine-1-carbonyl)piperidin-1-yl]prop-2-en-1-one2411314-86-6C21H28N2O2
- 16-Methoxy-1-methyl-2beta,5alpha,12beta,19alpha-aspidospermidin-3-one67497-62-5C21H28N2O2
- 6'-Methoxy-9-methyl-8alpha-10,11-dihydrocinchonan-9-ol25791-68-8C21H28N2O2
- 2a(2)-Methylhydroquinine54821-46-4C21H28N2O2
- 6',8'-Dimethoxy-8alpha-10,11-dihydrocinchonan26586-12-9C21H28N2O2
- tert-Butyl N-(3-amino-2-{[1,1'-biphenyl]-2-yl}-2-methylpropyl)carbamate2228152-97-2C21H28N2O2
- tert-Butyl N-(3-amino-2-{2'-methyl-[1,1'-biphenyl]-3-yl}propyl)carbamate2228234-71-5C21H28N2O2
- N-Ethyl-N-(2-methylprop-2-en-1-yl)-4-phenyl-1-(prop-2-enoyl)piperidine-4-carboxamide2198245-29-1C21H28N2O2
- N-(Cyclopentylmethyl)-4-phenyl-1-(prop-2-enoyl)piperidine-4-carboxamide2198144-59-9C21H28N2O2
- N-Benzyl-N-ethyl-1-[(5-methylfuran-2-yl)methyl]piperidine-4-carboxamide6578-54-7C21H28N2O2
- N-(4-Butylphenyl)-N~2~-(2-methoxyphenyl)-2-methylalaninamide89312-67-4C21H28N2O2
- N-(4-Butylphenyl)-N~2~-(3-methoxyphenyl)-2-methylalaninamide89312-68-5C21H28N2O2
- N-Butyl-N'-(2,4-dimethylphenyl)-N-[(4-methoxyphenyl)methyl]urea88451-27-8C21H28N2O2
- (E)-1-[4-(Hexyloxy)phenyl]-2-(4-propoxyphenyl)diazene918824-01-8C21H28N2O2
- 4-[[4-[(1-Cyclobutylpiperidin-4-ylidene)methyl]phenyl]methyl]morpholin-3-one1425970-85-9C21H28N2O2
- Decloxizine-d8 dihydrochloride1329836-11-4C21H28N2O2
- (E)-1-{4-[(Butan-2-yl)oxy]phenyl}-2-[4-(2-methylbutoxy)phenyl]diazene632315-64-1C21H28N2O2
- 6-[(1-Benzyl-1H-pyrazol-4-yl)oxy]bicyclo[8.1.0]undecan-5-ol2137831-99-1C21H28N2O2
- (5R,6R)-6-[(1-Benzyl-1H-pyrazol-4-yl)oxy]bicyclo[8.1.0]undecan-5-ol2059923-86-1C21H28N2O2
- tert-Butyl 4-(aminomethyl)-4-(naphthalen-2-yl)piperidine-1-carboxylate2358078-49-4C21H28N2O2
- tert-Butyl N-{2-amino-3-[3-(2-methylphenyl)phenyl]propyl}carbamate2228509-71-3C21H28N2O2
- tert-Butyl N-{1-amino-3-[3-(2-methylphenyl)phenyl]propan-2-yl}carbamate2228521-26-2C21H28N2O2
- tert-Butyl N-[3-amino-2-methyl-2-(4-phenylphenyl)propyl]carbamate2229551-43-1C21H28N2O2
- 3-(Azepane-1-carbonyl)-2-(3-methylbutyl)-1,2-dihydroisoquinolin-1-one3054406-24-2C21H28N2O2
- 2-Butyl-N-(cyclohexylmethyl)-1-oxo-1,2-dihydroisoquinoline-3-carboxamide3054625-76-9C21H28N2O2
- N-Cyclohexyl-2-(3-methylbutyl)-1-oxo-1,2-dihydroisoquinoline-3-carboxamide3054544-23-6C21H28N2O2
- 2-(Cyclohexylmethyl)-N,N-diethyl-1-oxo-1,2-dihydroisoquinoline-3-carboxamide3054542-81-0C21H28N2O2
- (1-Benzyl-4-(3,4-dimethoxyphenyl)piperidin-4-yl)methanamine1110700-74-7C21H28N2O2
- tert-Butyl N-(2-tert-butylphenyl)-N-(4-methyl-2-pyridinyl)carbamate1260678-74-7C21H28N2O2
- (5R,9R,E)-5-Amino-11-ethylidene-7-methyl-5,6,9,10-tetrahydro-5,9-methanocycloocta[b]pyridin-2-yl hexanoate221146-60-7C21H28N2O2
- tert-Butyl (R)-2-cyclohexyl-2-(quinolin-8-ylamino)acetate2690286-27-0C21H28N2O2
- Evocalcet impurity 301039631-66-7C21H28N2O2
Frequently asked questions
What is the molar mass of C21H28N2O2?
The molar mass of C21H28N2O2 is 340.47 g/mol, calculated from standard atomic weights for 21 carbon atoms, 28 hydrogen atoms, 2 nitrogen atoms and 2 oxygen atoms. The monoisotopic mass is 348.2653 Da.
How many compounds have the formula C21H28N2O2?
CompoundList lists 174 compounds with the molecular formula C21H28N2O2, including 1-(4-Ethoxybenzyl)-4-(3-methoxybenzyl)piperazine, 3-Cyclopentyl-N-(2-(5,8-dimethyl-2-oxo-1,2-dihydroquinolin-3-yl)ethyl)propanamide, N-(3-(4-(Dimethylamino)phenyl)propyl)-4-isopropoxybenzamide. 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 C21H28N2O2?
C21H28N2O2 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.