CompoundList
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 1 to 100 of 174 compounds

Optochin chemical structure, C21H28N2O2, CAS 522-60-1
Optochin
CAS 522-60-1C21H28N2O2
N-[(2,3-Dimethoxyphenyl)methyl]-4-(4-methyl-1-piperidinyl)aniline chemical structure, C21H28N2O2, CAS 723752-78-1
N-[(2,3-Dimethoxyphenyl)methyl]-4-(4-methyl-1-piperidinyl)aniline
CAS 723752-78-1C21H28N2O2
Acetaldehyde, 2-(((1,4-dimethyl-3-carbazolyl)methyl)amino)-, diethyl acetal chemical structure, C21H28N2O2, CAS 65266-47-9
Acetaldehyde, 2-(((1,4-dimethyl-3-carbazolyl)methyl)amino)-, diethyl acetal
CAS 65266-47-9C21H28N2O2
Ibogaline chemical structure, C21H28N2O2, CAS 482-18-8
Ibogaline
CAS 482-18-8C21H28N2O2
N-[4-(Diethylamino)phenyl]-4-(3-methylphenoxy)butanamide chemical structure, C21H28N2O2, CAS 459415-22-6
N-[4-(Diethylamino)phenyl]-4-(3-methylphenoxy)butanamide
CAS 459415-22-6C21H28N2O2
9-(2-Hydroxy-3-(piperidin-1-yl)propyl)-6-methyl-2,3,4,9-tetrahydro-1H-carbazol-1-one chemical structure, C21H28N2O2, CAS 667891-10-3
9-(2-Hydroxy-3-(piperidin-1-yl)propyl)-6-methyl-2,3,4,9-tetrahydro-1H-carbazol-1-one
CAS 667891-10-3C21H28N2O2
1,7,7-Trimethyl-4-(4-phenylpiperazine-1-carbonyl)bicyclo[2.2.1]heptan-2-one chemical structure, C21H28N2O2, CAS 1212491-89-8
1,7,7-Trimethyl-4-(4-phenylpiperazine-1-carbonyl)bicyclo[2.2.1]heptan-2-one
CAS 1212491-89-8C21H28N2O2
Decloxizine chemical structure, C21H28N2O2, CAS 3733-63-9
Decloxizine
CAS 3733-63-9C21H28N2O2
1-[4-(Benzyloxy)-3-methoxybenzyl]-4-ethylpiperazine chemical structure, C21H28N2O2, CAS 415932-58-0
1-[4-(Benzyloxy)-3-methoxybenzyl]-4-ethylpiperazine
CAS 415932-58-0C21H28N2O2
N-(2-(Diethylamino)ethyl)-4-ethoxy-N-phenylbenzamide chemical structure, C21H28N2O2, CAS 853333-94-5
N-(2-(Diethylamino)ethyl)-4-ethoxy-N-phenylbenzamide
CAS 853333-94-5C21H28N2O2
Macrocarpine B chemical structure, C21H28N2O2, CAS 685508-25-2
Macrocarpine B
CAS 685508-25-2C21H28N2O2
1-(3,5-Dimethoxybenzyl)-4-(3-methylbenzyl)piperazine chemical structure, C21H28N2O2, CAS 356083-02-8
1-(3,5-Dimethoxybenzyl)-4-(3-methylbenzyl)piperazine
CAS 356083-02-8C21H28N2O2
N-[1-(2-Methylanilino)-1-oxopropan-2-yl]adamantane-1-carboxamide chemical structure, C21H28N2O2, CAS 353492-17-8
N-[1-(2-Methylanilino)-1-oxopropan-2-yl]adamantane-1-carboxamide
CAS 353492-17-8C21H28N2O2
1-[4-(Bicyclo[2.2.1]hept-5-en-2-ylmethyl)piperazin-1-yl]-2-(4-methylphenoxy)ethanone chemical structure, C21H28N2O2, CAS 472984-04-6
1-[4-(Bicyclo[2.2.1]hept-5-en-2-ylmethyl)piperazin-1-yl]-2-(4-methylphenoxy)ethanone
CAS 472984-04-6C21H28N2O2
N-[4-(Morpholin-4-yl)phenyl]adamantane-1-carboxamide chemical structure, C21H28N2O2, CAS 326889-48-9
N-[4-(Morpholin-4-yl)phenyl]adamantane-1-carboxamide
CAS 326889-48-9C21H28N2O2
1-(2,4-Dimethoxybenzyl)-4-(2,3-dimethylphenyl)piperazine chemical structure, C21H28N2O2, CAS 414873-49-7
1-(2,4-Dimethoxybenzyl)-4-(2,3-dimethylphenyl)piperazine
CAS 414873-49-7C21H28N2O2
1-(2,3-Dimethoxybenzyl)-4-(2,3-dimethylphenyl)piperazine chemical structure, C21H28N2O2, CAS 414887-37-9
1-(2,3-Dimethoxybenzyl)-4-(2,3-dimethylphenyl)piperazine
CAS 414887-37-9C21H28N2O2
1-(2,5-Dimethyl-1-(p-tolyl)-1H-pyrrol-3-yl)-2-(2,6-dimethylmorpholino)ethanone chemical structure, C21H28N2O2, CAS 378196-95-3
1-(2,5-Dimethyl-1-(p-tolyl)-1H-pyrrol-3-yl)-2-(2,6-dimethylmorpholino)ethanone
CAS 378196-95-3C21H28N2O2
21-Diazopregn-4-ene-3,20-dione chemical structure, C21H28N2O2, CAS 53892-00-5
21-Diazopregn-4-ene-3,20-dione
CAS 53892-00-5C21H28N2O2
1-(3,4-Dimethylphenoxy)-3-(4-phenylpiperazin-1-yl)propan-2-ol chemical structure, C21H28N2O2, CAS 325739-42-2
1-(3,4-Dimethylphenoxy)-3-(4-phenylpiperazin-1-yl)propan-2-ol
CAS 325739-42-2C21H28N2O2
2-(4-(2,3-Dimethylphenyl)piperazin-1-yl)-1-(3-methoxyphenyl)ethanol chemical structure, C21H28N2O2, CAS 1251694-26-4
2-(4-(2,3-Dimethylphenyl)piperazin-1-yl)-1-(3-methoxyphenyl)ethanol
CAS 1251694-26-4C21H28N2O2
2-[4-(2,3-Dimethylphenyl)piperazin-1-yl]-1-(4-methoxyphenyl)ethan-1-ol chemical structure, C21H28N2O2, CAS 1251708-93-6
2-[4-(2,3-Dimethylphenyl)piperazin-1-yl]-1-(4-methoxyphenyl)ethan-1-ol
CAS 1251708-93-6C21H28N2O2
Vallesine chemical structure, C21H28N2O2, CAS 466-46-6
Vallesine
CAS 466-46-6C21H28N2O2
1-(17-Hydroxyaspidospermidin-1-yl)ethanone chemical structure, C21H28N2O2, CAS 2122-21-6
1-(17-Hydroxyaspidospermidin-1-yl)ethanone
CAS 2122-21-6C21H28N2O2

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 Optochin, N-[(2,3-Dimethoxyphenyl)methyl]-4-(4-methyl-1-piperidinyl)aniline, Acetaldehyde, 2-(((1,4-dimethyl-3-carbazolyl)methyl)amino)-, diethyl acetal. 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.