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Molecular formula

C21H27N7O3

15 compounds have this formula on CompoundList.

Molar mass
425.49g/mol
Monoisotopic mass
425.2175Da
Atoms
58
Elements
4
Rings plus double bonds
12

The formula C21H27N7O3 describes a molecule made of 21 carbon atoms, 27 hydrogen atoms, 7 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 × 2159.28%
    12.011 × 21 = 252.231 g/mol
  • H Hydrogen × 276.40%
    1.008 × 27 = 27.216 g/mol
  • N Nitrogen × 723.04%
    14.007 × 7 = 98.049 g/mol
  • O Oxygen × 311.28%
    15.999 × 3 = 47.997 g/mol
Look up another formula

Compounds with the formula C21H27N7O3

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

Showing 1 to 15 of 15 compounds

Gsk 690693 chemical structure, C21H27N7O3, CAS 937174-76-0
Gsk 690693
CAS 937174-76-0C21H27N7O3
2-[8-[(4-Benzylpiperazin-1-yl)methyl]-1,3-dimethyl-2,6-dioxopurin-7-yl]acetamide chemical structure, C21H27N7O3, CAS 851940-86-8
2-[8-[(4-Benzylpiperazin-1-yl)methyl]-1,3-dimethyl-2,6-dioxopurin-7-yl]acetamide
CAS 851940-86-8C21H27N7O3
2-[4-[3-Methyl-2,6-dioxo-7-(3-phenylpropyl)purin-8-yl]piperazin-1-yl]acetamide chemical structure, C21H27N7O3, CAS 895842-23-6
2-[4-[3-Methyl-2,6-dioxo-7-(3-phenylpropyl)purin-8-yl]piperazin-1-yl]acetamide
CAS 895842-23-6C21H27N7O3
Ethyl (E)-3-amino-2-cyano-5-((3R,4R)-4-methyl-3-(methyl(7H-pyrrolo(2,3-d)pyrimidin-4-yl)amino)-1-piperidyl)-5-oxo-pent-2-enoate chemical structure, C21H27N7O3, CAS 2459302-85-1
Ethyl (E)-3-amino-2-cyano-5-((3R,4R)-4-methyl-3-(methyl(7H-pyrrolo(2,3-d)pyrimidin-4-yl)amino)-1-piperidyl)-5-oxo-pent-2-enoate
CAS 2459302-85-1C21H27N7O3
1-(2-((2-Ethoxyphenyl)amino)ethyl)-3,4,7,9-tetramethyl-7,9-dihydro-[1,2,4]triazino[3,4-f]purine-6,8(1H,4H)-dione chemical structure, C21H27N7O3, CAS 923217-90-7
1-(2-((2-Ethoxyphenyl)amino)ethyl)-3,4,7,9-tetramethyl-7,9-dihydro-[1,2,4]triazino[3,4-f]purine-6,8(1H,4H)-dione
CAS 923217-90-7C21H27N7O3
4-Ethyl-1-(2-methoxyethyl)-3-(1-(2-phenyl-2H-1,2,3-triazole-4-carbonyl)piperidin-4-yl)-1H-1,2,4-triazol-5(4H)-one chemical structure, C21H27N7O3, CAS 1788834-04-7
4-Ethyl-1-(2-methoxyethyl)-3-(1-(2-phenyl-2H-1,2,3-triazole-4-carbonyl)piperidin-4-yl)-1H-1,2,4-triazol-5(4H)-one
CAS 1788834-04-7C21H27N7O3
Piperazine, 1-(3-pyridinylcarbonyl)-4-(4-(1,2,3,6-tetrahydro-1,3-dimethyl-2,6-dioxo-7H-purin-7-yl)butyl)- chemical structure, C21H27N7O3, CAS 70454-33-0
Piperazine, 1-(3-pyridinylcarbonyl)-4-(4-(1,2,3,6-tetrahydro-1,3-dimethyl-2,6-dioxo-7H-purin-7-yl)butyl)-
CAS 70454-33-0C21H27N7O3
1-(2,5-Dimethoxyphenyl)-3-(2-{[6-(3,5-dimethyl-1H-pyrazol-1-yl)-2-methylpyrimidin-4-yl]amino}ethyl)urea chemical structure, C21H27N7O3, CAS 1170554-58-1
1-(2,5-Dimethoxyphenyl)-3-(2-{[6-(3,5-dimethyl-1H-pyrazol-1-yl)-2-methylpyrimidin-4-yl]amino}ethyl)urea
CAS 1170554-58-1C21H27N7O3
[4-[6-(4-Ethylpiperazin-1-yl)pyridazin-3-yl]piperazin-1-yl]-(3-nitrophenyl)methanone chemical structure, C21H27N7O3, CAS 898453-78-6
[4-[6-(4-Ethylpiperazin-1-yl)pyridazin-3-yl]piperazin-1-yl]-(3-nitrophenyl)methanone
CAS 898453-78-6C21H27N7O3
[4-[6-(4-Ethylpiperazin-1-yl)pyridazin-3-yl]piperazin-1-yl]-(4-nitrophenyl)methanone chemical structure, C21H27N7O3, CAS 898418-02-5
[4-[6-(4-Ethylpiperazin-1-yl)pyridazin-3-yl]piperazin-1-yl]-(4-nitrophenyl)methanone
CAS 898418-02-5C21H27N7O3
2-(4-(7-(2,5-Dimethylbenzyl)-3-methyl-2,6-dioxo-2,3,6,7-tetrahydro-1H-purin-8-yl)piperazin-1-yl)acetamide chemical structure, C21H27N7O3, CAS 898408-99-6
2-(4-(7-(2,5-Dimethylbenzyl)-3-methyl-2,6-dioxo-2,3,6,7-tetrahydro-1H-purin-8-yl)piperazin-1-yl)acetamide
CAS 898408-99-6C21H27N7O3
1-(2-((4-Ethoxyphenyl)amino)ethyl)-3,4,7,9-tetramethyl-7,9-dihydro-[1,2,4]triazino[3,4-f]purine-6,8(1H,4H)-dione chemical structure, C21H27N7O3, CAS 923143-50-4
1-(2-((4-Ethoxyphenyl)amino)ethyl)-3,4,7,9-tetramethyl-7,9-dihydro-[1,2,4]triazino[3,4-f]purine-6,8(1H,4H)-dione
CAS 923143-50-4C21H27N7O3
(1,2,4)Triazino(3,4-f)purine-6,8(7H,9H)-dione, 1,4-dihydro-1-ethyl-9-methyl-7-(morpholinomethyl)-3-phenyl- chemical structure, C21H27N7O3, CAS 106087-39-2
(1,2,4)Triazino(3,4-f)purine-6,8(7H,9H)-dione, 1,4-dihydro-1-ethyl-9-methyl-7-(morpholinomethyl)-3-phenyl-
CAS 106087-39-2C21H27N7O3
N-[2-[Bis[2-(1H-pyrrole-2-carbonylamino)ethyl]amino]ethyl]-1H-pyrrole-2-carboxamide chemical structure, C21H27N7O3, CAS 7231-91-6
N-[2-[Bis[2-(1H-pyrrole-2-carbonylamino)ethyl]amino]ethyl]-1H-pyrrole-2-carboxamide
CAS 7231-91-6C21H27N7O3
Tofacitinib impurity 100 chemical structure, C21H27N7O3, CAS 2102039-99-4
Tofacitinib impurity 100
CAS 2102039-99-4C21H27N7O3

Frequently asked questions

What is the molar mass of C21H27N7O3?

The molar mass of C21H27N7O3 is 425.49 g/mol, calculated from standard atomic weights for 21 carbon atoms, 27 hydrogen atoms, 7 nitrogen atoms and 3 oxygen atoms. The monoisotopic mass is 425.2175 Da.

How many compounds have the formula C21H27N7O3?

CompoundList lists 15 compounds with the molecular formula C21H27N7O3, including Gsk 690693, 2-[8-[(4-Benzylpiperazin-1-yl)methyl]-1,3-dimethyl-2,6-dioxopurin-7-yl]acetamide, 2-[4-[3-Methyl-2,6-dioxo-7-(3-phenylpropyl)purin-8-yl]piperazin-1-yl]acetamide. 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 C21H27N7O3?

C21H27N7O3 has a degree of unsaturation of 12. 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.