CompoundList
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 1 to 100 of 162 compounds

Isoxazole, 5-(7-(4-(4,5-dihydro-4-methyl-2-oxazolyl)phenoxy)heptyl)-3-methyl- chemical structure, C21H28N2O3, CAS 98034-32-3
Isoxazole, 5-(7-(4-(4,5-dihydro-4-methyl-2-oxazolyl)phenoxy)heptyl)-3-methyl-
CAS 98034-32-3C21H28N2O3
Win 52084 chemical structure, C21H28N2O3, CAS 98102-61-5
Win 52084
CAS 98102-61-5C21H28N2O3
4-[[4-(2,3-Dimethylphenyl)-1-piperazinyl]methyl]-2,6-dimethoxyphenol chemical structure, C21H28N2O3, CAS 414883-68-4
4-[[4-(2,3-Dimethylphenyl)-1-piperazinyl]methyl]-2,6-dimethoxyphenol
CAS 414883-68-4C21H28N2O3
6-[(4-Benzyl-1-piperazinyl)carbonyl]-3,4-dimethyl-3-cyclohexene-1-carboxylic acid chemical structure, C21H28N2O3, CAS 588693-33-8
6-[(4-Benzyl-1-piperazinyl)carbonyl]-3,4-dimethyl-3-cyclohexene-1-carboxylic acid
CAS 588693-33-8C21H28N2O3
1-[(4-Benzyl-1-piperazinyl)carbonyl]-4,7,7-trimethyl-2-oxabicyclo[2.2.1]heptan-3-one chemical structure, C21H28N2O3, CAS 577985-41-2
1-[(4-Benzyl-1-piperazinyl)carbonyl]-4,7,7-trimethyl-2-oxabicyclo[2.2.1]heptan-3-one
CAS 577985-41-2C21H28N2O3
N-(2-Morpholin-4-ylphenyl)(4,7,7-trimethyl-3-oxobicyclo[2.2.1]heptyl)carboxami de chemical structure, C21H28N2O3, CAS 505060-42-4
N-(2-Morpholin-4-ylphenyl)(4,7,7-trimethyl-3-oxobicyclo[2.2.1]heptyl)carboxami de
CAS 505060-42-4C21H28N2O3
3-Methyl-5-(7-(4-((4R)-4-methyl-4,5-dihydro-1,3-oxazol-2-yl)phenoxy)heptyl)-1,2-oxazole chemical structure, C21H28N2O3, CAS 98524-87-9
3-Methyl-5-(7-(4-((4R)-4-methyl-4,5-dihydro-1,3-oxazol-2-yl)phenoxy)heptyl)-1,2-oxazole
CAS 98524-87-9C21H28N2O3
KF 4317 chemical structure, C21H28N2O3, CAS 76805-48-6
KF 4317
CAS 76805-48-6C21H28N2O3
2-(1-Adamantyl)-N-[2-(2-methoxyanilino)-2-oxoethyl]acetamide chemical structure, C21H28N2O3, CAS 852127-60-7
2-(1-Adamantyl)-N-[2-(2-methoxyanilino)-2-oxoethyl]acetamide
CAS 852127-60-7C21H28N2O3
N-[2-(Cyclohexen-1-yl)ethyl]-1-(4-ethoxyphenyl)-5-oxopyrrolidine-3-carboxamide chemical structure, C21H28N2O3, CAS 346458-18-2
N-[2-(Cyclohexen-1-yl)ethyl]-1-(4-ethoxyphenyl)-5-oxopyrrolidine-3-carboxamide
CAS 346458-18-2C21H28N2O3
LY 108742 chemical structure, C21H28N2O3, CAS 150196-69-3
LY 108742
CAS 150196-69-3C21H28N2O3
Isoxazole, 5-(8-(4-(4,5-dihydro-2-oxazolyl)phenoxy)octyl)-3-methyl- chemical structure, C21H28N2O3, CAS 98033-91-1
Isoxazole, 5-(8-(4-(4,5-dihydro-2-oxazolyl)phenoxy)octyl)-3-methyl-
CAS 98033-91-1C21H28N2O3
1-Benzyl-4-(2,3,4-trimethoxy-benzyl)-piperazine chemical structure, C21H28N2O3, CAS 207844-97-1
1-Benzyl-4-(2,3,4-trimethoxy-benzyl)-piperazine
CAS 207844-97-1C21H28N2O3
Piperazine, 1-(2-methylphenyl)-4-((3,4,5-trimethoxyphenyl)methyl)- chemical structure, C21H28N2O3, CAS 80305-13-1
Piperazine, 1-(2-methylphenyl)-4-((3,4,5-trimethoxyphenyl)methyl)-
CAS 80305-13-1C21H28N2O3
Spegazzinine chemical structure, C21H28N2O3, CAS 6882-72-0
Spegazzinine
CAS 6882-72-0C21H28N2O3
1-(2,3-Dimethoxybenzyl)-4-(3-methoxybenzyl)piperazine chemical structure, C21H28N2O3, CAS 5873-55-2
1-(2,3-Dimethoxybenzyl)-4-(3-methoxybenzyl)piperazine
CAS 5873-55-2C21H28N2O3
N-[1-(4-Methoxyanilino)-1-oxopropan-2-yl]adamantane-1-carboxamide chemical structure, C21H28N2O3, CAS 353492-18-9
N-[1-(4-Methoxyanilino)-1-oxopropan-2-yl]adamantane-1-carboxamide
CAS 353492-18-9C21H28N2O3
2-(1,3-Benzodioxol-5-yl)-5,7-dipropyl-1,3-diazatricyclo[3.3.1.1~3,7~]decan-6-one chemical structure, C21H28N2O3, CAS 685514-50-5
2-(1,3-Benzodioxol-5-yl)-5,7-dipropyl-1,3-diazatricyclo[3.3.1.1~3,7~]decan-6-one
CAS 685514-50-5C21H28N2O3
1-[(2,3-Dimethoxyphenyl)methyl]-4-[(4-methoxyphenyl)methyl]piperazine chemical structure, C21H28N2O3, CAS 355823-33-5
1-[(2,3-Dimethoxyphenyl)methyl]-4-[(4-methoxyphenyl)methyl]piperazine
CAS 355823-33-5C21H28N2O3
1-[(3,4-Dimethoxyphenyl)methyl]-4-[(4-methoxyphenyl)methyl]piperazine chemical structure, C21H28N2O3, CAS 356083-97-1
1-[(3,4-Dimethoxyphenyl)methyl]-4-[(4-methoxyphenyl)methyl]piperazine
CAS 356083-97-1C21H28N2O3
1-Benzyl-4-[(3,4,5-trimethoxyphenyl)methyl]piperazine chemical structure, C21H28N2O3, CAS 355396-26-8
1-Benzyl-4-[(3,4,5-trimethoxyphenyl)methyl]piperazine
CAS 355396-26-8C21H28N2O3
1-(4-Benzylpiperazin-1-yl)-3-(4-methoxyphenoxy)propan-2-ol chemical structure, C21H28N2O3, CAS 325738-85-0
1-(4-Benzylpiperazin-1-yl)-3-(4-methoxyphenoxy)propan-2-ol
CAS 325738-85-0C21H28N2O3
1-(2,5-Dimethoxyphenyl)-2-(4-(m-tolyl)piperazin-1-yl)ethanol chemical structure, C21H28N2O3, CAS 1251622-24-8
1-(2,5-Dimethoxyphenyl)-2-(4-(m-tolyl)piperazin-1-yl)ethanol
CAS 1251622-24-8C21H28N2O3
1-(4-Methoxyphenoxy)-3-[4-(4-methylphenyl)piperazin-1-yl]propan-2-ol chemical structure, C21H28N2O3, CAS 110529-86-7
1-(4-Methoxyphenoxy)-3-[4-(4-methylphenyl)piperazin-1-yl]propan-2-ol
CAS 110529-86-7C21H28N2O3

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 Isoxazole, 5-(7-(4-(4,5-dihydro-4-methyl-2-oxazolyl)phenoxy)heptyl)-3-methyl-, Win 52084, 4-[[4-(2,3-Dimethylphenyl)-1-piperazinyl]methyl]-2,6-dimethoxyphenol. 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.