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Molecular formula

C21H28N6O4

29 compounds have this formula on CompoundList.

Molar mass
428.49g/mol
Monoisotopic mass
428.2172Da
Atoms
59
Elements
4
Rings plus double bonds
11

The formula C21H28N6O4 describes a molecule made of 21 carbon atoms, 28 hydrogen atoms, 6 nitrogen atoms and 4 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 × 2158.86%
    12.011 × 21 = 252.231 g/mol
  • H Hydrogen × 286.59%
    1.008 × 28 = 28.224 g/mol
  • N Nitrogen × 619.61%
    14.007 × 6 = 84.042 g/mol
  • O Oxygen × 414.94%
    15.999 × 4 = 63.996 g/mol
Look up another formula

Compounds with the formula C21H28N6O4

Isomers we list, best known first. Open one to see its structure, properties, safety data and suppliers.

Showing 1 to 29 of 29 compounds

Xanthine amine congener chemical structure, C21H28N6O4, CAS 96865-92-8
Xanthine amine congener
CAS 96865-92-8C21H28N6O4
Alanyl-prolyl-glycyl-tryptophanamide chemical structure, C21H28N6O4, CAS 126675-52-3
Alanyl-prolyl-glycyl-tryptophanamide
CAS 126675-52-3C21H28N6O4
7-(2-Ethoxyethyl)-8-(4-(4-methoxyphenyl)piperazin-1-yl)-3-methyl-1H-purine-2,6(3H,7H)-dione chemical structure, C21H28N6O4, CAS 442557-93-9
7-(2-Ethoxyethyl)-8-(4-(4-methoxyphenyl)piperazin-1-yl)-3-methyl-1H-purine-2,6(3H,7H)-dione
CAS 442557-93-9C21H28N6O4
7-Butyl-8-((4-(furan-2-carbonyl)piperazin-1-yl)methyl)-1,3-dimethyl-1H-purine-2,6(3H,7H)-dione chemical structure, C21H28N6O4, CAS 851937-71-8
7-Butyl-8-((4-(furan-2-carbonyl)piperazin-1-yl)methyl)-1,3-dimethyl-1H-purine-2,6(3H,7H)-dione
CAS 851937-71-8C21H28N6O4
7-(2-Methoxyethyl)-8-[4-(4-methoxyphenyl)piperazin-1-yl]-1,3-dimethylpurine-2,6-dione chemical structure, C21H28N6O4, CAS 844660-42-0
7-(2-Methoxyethyl)-8-[4-(4-methoxyphenyl)piperazin-1-yl]-1,3-dimethylpurine-2,6-dione
CAS 844660-42-0C21H28N6O4
7-(2-Hydroxy-3-(o-tolyloxy)propyl)-1,3-dimethyl-8-(piperazin-1-yl)-1H-purine-2,6(3H,7H)-dione chemical structure, C21H28N6O4, CAS 333305-36-5
7-(2-Hydroxy-3-(o-tolyloxy)propyl)-1,3-dimethyl-8-(piperazin-1-yl)-1H-purine-2,6(3H,7H)-dione
CAS 333305-36-5C21H28N6O4
2-(2-Amino-2-oxoethyl)-N-(sec-butyl)-4-(3-methylbutyl)-1,5-dioxo-1,2,4,5-tetrahydro[1,2,4]triazolo[4,3-a]quinazoline-8-carboxamide chemical structure, C21H28N6O4, CAS 1207043-35-3
2-(2-Amino-2-oxoethyl)-N-(sec-butyl)-4-(3-methylbutyl)-1,5-dioxo-1,2,4,5-tetrahydro[1,2,4]triazolo[4,3-a]quinazoline-8-carboxamide
CAS 1207043-35-3C21H28N6O4
2-(2-Amino-2-oxoethyl)-N-isobutyl-4-(3-methylbutyl)-1,5-dioxo-1,2,4,5-tetrahydro[1,2,4]triazolo[4,3-a]quinazoline-8-carboxamide chemical structure, C21H28N6O4, CAS 1242982-79-1
2-(2-Amino-2-oxoethyl)-N-isobutyl-4-(3-methylbutyl)-1,5-dioxo-1,2,4,5-tetrahydro[1,2,4]triazolo[4,3-a]quinazoline-8-carboxamide
CAS 1242982-79-1C21H28N6O4
(4E)-4-[[2-(4-Acetylpiperazin-1-yl)ethylamino]methylidene]-2-(4-nitrophenyl)-5-propylpyrazol-3-one chemical structure, C21H28N6O4, CAS 371956-84-2
(4E)-4-[[2-(4-Acetylpiperazin-1-yl)ethylamino]methylidene]-2-(4-nitrophenyl)-5-propylpyrazol-3-one
CAS 371956-84-2C21H28N6O4
7-(3-(4-Ethylphenoxy)-2-hydroxypropyl)-3-methyl-8-(piperazin-1-yl)-1H-purine-2,6(3H,7H)-dione chemical structure, C21H28N6O4, CAS 335403-13-9
7-(3-(4-Ethylphenoxy)-2-hydroxypropyl)-3-methyl-8-(piperazin-1-yl)-1H-purine-2,6(3H,7H)-dione
CAS 335403-13-9C21H28N6O4
8-(4-Ethylpiperazin-1-yl)-7-(2-hydroxy-3-phenoxypropyl)-3-methyl-1H-purine-2,6(3H,7H)-dione chemical structure, C21H28N6O4, CAS 850237-29-5
8-(4-Ethylpiperazin-1-yl)-7-(2-hydroxy-3-phenoxypropyl)-3-methyl-1H-purine-2,6(3H,7H)-dione
CAS 850237-29-5C21H28N6O4
7-(2-Hydroxy-2-phenylethyl)-3-methyl-8-((3-morpholinopropyl)amino)-1H-purine-2,6(3H,7H)-dione chemical structure, C21H28N6O4, CAS 879072-10-3
7-(2-Hydroxy-2-phenylethyl)-3-methyl-8-((3-morpholinopropyl)amino)-1H-purine-2,6(3H,7H)-dione
CAS 879072-10-3C21H28N6O4
Pro-Arg-AMC chemical structure, C21H28N6O4, CAS 546103-85-9
Pro-Arg-AMC
CAS 546103-85-9C21H28N6O4
7-[2-Hydroxy-3-(2-methylphenoxy)propyl]-3-methyl-8-(4-methylpiperazin-1-yl)purine-2,6-dione chemical structure, C21H28N6O4, CAS 332103-54-5
7-[2-Hydroxy-3-(2-methylphenoxy)propyl]-3-methyl-8-(4-methylpiperazin-1-yl)purine-2,6-dione
CAS 332103-54-5C21H28N6O4
7-(3-Hydroxypropyl)-8-[[4-(4-methoxyphenyl)piperazin-1-yl]methyl]-3-methylpurine-2,6-dione chemical structure, C21H28N6O4, CAS 862979-79-1
7-(3-Hydroxypropyl)-8-[[4-(4-methoxyphenyl)piperazin-1-yl]methyl]-3-methylpurine-2,6-dione
CAS 862979-79-1C21H28N6O4
3-Methyl-8-((2-morpholinoethyl)amino)-7-(3-phenoxypropyl)-1H-purine-2,6(3H,7H)-dione chemical structure, C21H28N6O4, CAS 887222-01-7
3-Methyl-8-((2-morpholinoethyl)amino)-7-(3-phenoxypropyl)-1H-purine-2,6(3H,7H)-dione
CAS 887222-01-7C21H28N6O4
7-(2-Hydroxy-3-phenoxypropyl)-1,3-dimethyl-8-(4-methylpiperazin-1-yl)-1H-purine-2,6(3H,7H)-dione chemical structure, C21H28N6O4, CAS 845804-55-9
7-(2-Hydroxy-3-phenoxypropyl)-1,3-dimethyl-8-(4-methylpiperazin-1-yl)-1H-purine-2,6(3H,7H)-dione
CAS 845804-55-9C21H28N6O4
7-(2-Hydroxy-3-(m-tolyloxy)propyl)-3-methyl-8-(4-methylpiperazin-1-yl)-1H-purine-2,6(3H,7H)-dione chemical structure, C21H28N6O4, CAS 868146-67-2
7-(2-Hydroxy-3-(m-tolyloxy)propyl)-3-methyl-8-(4-methylpiperazin-1-yl)-1H-purine-2,6(3H,7H)-dione
CAS 868146-67-2C21H28N6O4
H-Pro-Arg-AMC . 2 HCl chemical structure, C21H28N6O4
H-Pro-Arg-AMC . 2 HCl
C21H28N6O4
8-(4-(2-Hydroxyethyl)piperazin-1-yl)-3-methyl-7-(3-phenoxypropyl)-1H-purine-2,6(3H,7H)-dione chemical structure, C21H28N6O4, CAS 887221-98-9
8-(4-(2-Hydroxyethyl)piperazin-1-yl)-3-methyl-7-(3-phenoxypropyl)-1H-purine-2,6(3H,7H)-dione
CAS 887221-98-9C21H28N6O4
2-(7-Benzyl-2-methyl-4-oxo-5,6,7,8-tetrahydropyrido[3,4-d]pyrimidin-3(4H)-yl)-N-(4-bromophenyl)acetamide chemical structure, C21H28N6O4, CAS 1242895-07-3
2-(7-Benzyl-2-methyl-4-oxo-5,6,7,8-tetrahydropyrido[3,4-d]pyrimidin-3(4H)-yl)-N-(4-bromophenyl)acetamide
CAS 1242895-07-3C21H28N6O4
7-(3-(3-Ethylphenoxy)-2-hydroxypropyl)-3-methyl-8-(piperazin-1-yl)-1H-purine-2,6(3H,7H)-dione chemical structure, C21H28N6O4, CAS 899972-47-5
7-(3-(3-Ethylphenoxy)-2-hydroxypropyl)-3-methyl-8-(piperazin-1-yl)-1H-purine-2,6(3H,7H)-dione
CAS 899972-47-5C21H28N6O4
3-Methyl-8-((3-morpholinopropyl)amino)-7-(2-phenoxyethyl)-1H-purine-2,6(3H,7H)-dione chemical structure, C21H28N6O4, CAS 941965-05-5
3-Methyl-8-((3-morpholinopropyl)amino)-7-(2-phenoxyethyl)-1H-purine-2,6(3H,7H)-dione
CAS 941965-05-5C21H28N6O4
8-((2-(Diethylamino)ethyl)amino)-7-(2-(4-methoxyphenyl)-2-oxoethyl)-3-methyl-1H-purine-2,6(3H,7H)-dione chemical structure, C21H28N6O4, CAS 946326-40-5
8-((2-(Diethylamino)ethyl)amino)-7-(2-(4-methoxyphenyl)-2-oxoethyl)-3-methyl-1H-purine-2,6(3H,7H)-dione
CAS 946326-40-5C21H28N6O4

Frequently asked questions

What is the molar mass of C21H28N6O4?

The molar mass of C21H28N6O4 is 428.49 g/mol, calculated from standard atomic weights for 21 carbon atoms, 28 hydrogen atoms, 6 nitrogen atoms and 4 oxygen atoms. The monoisotopic mass is 428.2172 Da.

How many compounds have the formula C21H28N6O4?

CompoundList lists 29 compounds with the molecular formula C21H28N6O4, including Xanthine amine congener, Alanyl-prolyl-glycyl-tryptophanamide, 7-(2-Ethoxyethyl)-8-(4-(4-methoxyphenyl)piperazin-1-yl)-3-methyl-1H-purine-2,6(3H,7H)-dione. 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 C21H28N6O4?

C21H28N6O4 has a degree of unsaturation of 11. 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.