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Molecular formula

C18H21N7O3

17 compounds have this formula on CompoundList.

Molar mass
383.41g/mol
Monoisotopic mass
383.1706Da
Atoms
49
Elements
4
Rings plus double bonds
12

The formula C18H21N7O3 describes a molecule made of 18 carbon atoms, 21 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 × 1856.39%
    12.011 × 18 = 216.198 g/mol
  • H Hydrogen × 215.52%
    1.008 × 21 = 21.168 g/mol
  • N Nitrogen × 725.57%
    14.007 × 7 = 98.049 g/mol
  • O Oxygen × 312.52%
    15.999 × 3 = 47.997 g/mol
Look up another formula

Compounds with the formula C18H21N7O3

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

Showing 1 to 17 of 17 compounds

eCF-309 chemical structure, C18H21N7O3, CAS 2001571-40-8
eCF-309
CAS 2001571-40-8C18H21N7O3
PI3Kalpha-IN-9 chemical structure, C18H21N7O3, CAS 2715287-67-3
PI3Kalpha-IN-9
CAS 2715287-67-3C18H21N7O3
4-([1,2,4]Triazolo[4,3-b]pyridazin-6-yl)-N-(3,5-dimethoxyphenyl)piperazine-1-carboxamide chemical structure, C18H21N7O3, CAS 1058237-11-8
4-([1,2,4]Triazolo[4,3-b]pyridazin-6-yl)-N-(3,5-dimethoxyphenyl)piperazine-1-carboxamide
CAS 1058237-11-8C18H21N7O3
(3-Methoxy-1-methyl-1H-pyrazol-4-yl)(4-(5-(5-methyl-1,2,4-oxadiazol-3-yl)pyridin-2-yl)piperazin-1-yl)methanone chemical structure, C18H21N7O3, CAS 1396883-92-3
(3-Methoxy-1-methyl-1H-pyrazol-4-yl)(4-(5-(5-methyl-1,2,4-oxadiazol-3-yl)pyridin-2-yl)piperazin-1-yl)methanone
CAS 1396883-92-3C18H21N7O3
2-Methoxy-1-{4-[3-(3-methoxyphenyl)-3H-[1,2,3]triazolo[4,5-d]pyrimidin-7-yl]piperazin-1-yl}ethan-1-one chemical structure, C18H21N7O3, CAS 1005306-97-7
2-Methoxy-1-{4-[3-(3-methoxyphenyl)-3H-[1,2,3]triazolo[4,5-d]pyrimidin-7-yl]piperazin-1-yl}ethan-1-one
CAS 1005306-97-7C18H21N7O3
4-([1,2,4]Triazolo[4,3-b]pyridazin-6-yl)-N-(2,5-dimethoxyphenyl)piperazine-1-carboxamide chemical structure, C18H21N7O3, CAS 1060205-20-0
4-([1,2,4]Triazolo[4,3-b]pyridazin-6-yl)-N-(2,5-dimethoxyphenyl)piperazine-1-carboxamide
CAS 1060205-20-0C18H21N7O3
2-Methoxy-1-(4-(3-(4-methoxyphenyl)-3H-[1,2,3]triazolo[4,5-d]pyrimidin-7-yl)piperazin-1-yl)ethanone chemical structure, C18H21N7O3, CAS 920371-94-4
2-Methoxy-1-(4-(3-(4-methoxyphenyl)-3H-[1,2,3]triazolo[4,5-d]pyrimidin-7-yl)piperazin-1-yl)ethanone
CAS 920371-94-4C18H21N7O3
1-(3,4-Dimethoxybenzoyl)-4-{3-methyl-3H-[1,2,3]triazolo[4,5-d]pyrimidin-7-yl}piperazine chemical structure, C18H21N7O3, CAS 1058496-78-8
1-(3,4-Dimethoxybenzoyl)-4-{3-methyl-3H-[1,2,3]triazolo[4,5-d]pyrimidin-7-yl}piperazine
CAS 1058496-78-8C18H21N7O3
2-(2-Methoxyphenoxy)-1-(4-{3-methyl-3H-[1,2,3]triazolo[4,5-d]pyrimidin-7-yl}piperazin-1-yl)ethan-1-one chemical structure, C18H21N7O3, CAS 1058497-04-3
2-(2-Methoxyphenoxy)-1-(4-{3-methyl-3H-[1,2,3]triazolo[4,5-d]pyrimidin-7-yl}piperazin-1-yl)ethan-1-one
CAS 1058497-04-3C18H21N7O3
2-(4-Methoxyphenoxy)-1-(4-{3-methyl-3H-[1,2,3]triazolo[4,5-d]pyrimidin-7-yl}piperazin-1-yl)ethan-1-one chemical structure, C18H21N7O3, CAS 1058239-21-6
2-(4-Methoxyphenoxy)-1-(4-{3-methyl-3H-[1,2,3]triazolo[4,5-d]pyrimidin-7-yl}piperazin-1-yl)ethan-1-one
CAS 1058239-21-6C18H21N7O3
N-(2-(3-(3,5-Dimethyl-1H-pyrazol-1-yl)-6-oxopyridazin-1(6H)-yl)ethyl)-2-(4-methyl-6-oxopyrimidin-1(6H)-yl)acetamide chemical structure, C18H21N7O3, CAS 1351601-33-6
N-(2-(3-(3,5-Dimethyl-1H-pyrazol-1-yl)-6-oxopyridazin-1(6H)-yl)ethyl)-2-(4-methyl-6-oxopyrimidin-1(6H)-yl)acetamide
CAS 1351601-33-6C18H21N7O3
(3-Methoxy-1-methyl-1H-pyrazol-4-yl)(3-((3-(pyrazin-2-yl)-1,2,4-oxadiazol-5-yl)methyl)piperidin-1-yl)methanone chemical structure, C18H21N7O3, CAS 1705560-16-2
(3-Methoxy-1-methyl-1H-pyrazol-4-yl)(3-((3-(pyrazin-2-yl)-1,2,4-oxadiazol-5-yl)methyl)piperidin-1-yl)methanone
CAS 1705560-16-2C18H21N7O3
(4-((1-(4-Methoxyphenyl)-1H-tetrazol-5-yl)methyl)piperazin-1-yl)(5-methylisoxazol-3-yl)methanone chemical structure, C18H21N7O3, CAS 1040679-34-2
(4-((1-(4-Methoxyphenyl)-1H-tetrazol-5-yl)methyl)piperazin-1-yl)(5-methylisoxazol-3-yl)methanone
CAS 1040679-34-2C18H21N7O3
2-(2,5-Dioxopyrrolidin-1-yl)-N-[2-({6-[(5-methylpyridin-2-yl)amino]pyridazin-3-yl}amino)ethyl]acetamide chemical structure, C18H21N7O3, CAS 2329492-58-0
2-(2,5-Dioxopyrrolidin-1-yl)-N-[2-({6-[(5-methylpyridin-2-yl)amino]pyridazin-3-yl}amino)ethyl]acetamide
CAS 2329492-58-0C18H21N7O3
Methyl 8-(dimethylamino)-2-(1H-imidazol-1-yl)-4-morpholin-4-ylpyrido[3,2-d]pyrimidine-6-carboxylate chemical structure, C18H21N7O3, CAS 1220114-19-1
Methyl 8-(dimethylamino)-2-(1H-imidazol-1-yl)-4-morpholin-4-ylpyrido[3,2-d]pyrimidine-6-carboxylate
CAS 1220114-19-1C18H21N7O3
4-Methoxy-N,1-dimethyl-N-(1-{3-methyl-[1,2,4]triazolo[4,3-b]pyridazin-6-yl}azetidin-3-yl)-6-oxo-1,6-dihydropyridine-3-carboxamide chemical structure, C18H21N7O3, CAS 2198968-83-9
4-Methoxy-N,1-dimethyl-N-(1-{3-methyl-[1,2,4]triazolo[4,3-b]pyridazin-6-yl}azetidin-3-yl)-6-oxo-1,6-dihydropyridine-3-carboxamide
CAS 2198968-83-9C18H21N7O3
3H-Imidazo[4,5-b]pyridine-6-carboxamide, 3-[(2E)-4-amino-2-buten-1-yl]-2-[[(4-ethyl-2-methyl-5-oxazolyl)carbonyl]amino]- chemical structure, C18H21N7O3, CAS 3061043-35-1
3H-Imidazo[4,5-b]pyridine-6-carboxamide, 3-[(2E)-4-amino-2-buten-1-yl]-2-[[(4-ethyl-2-methyl-5-oxazolyl)carbonyl]amino]-
CAS 3061043-35-1C18H21N7O3

Frequently asked questions

What is the molar mass of C18H21N7O3?

The molar mass of C18H21N7O3 is 383.41 g/mol, calculated from standard atomic weights for 18 carbon atoms, 21 hydrogen atoms, 7 nitrogen atoms and 3 oxygen atoms. The monoisotopic mass is 383.1706 Da.

How many compounds have the formula C18H21N7O3?

CompoundList lists 17 compounds with the molecular formula C18H21N7O3, including eCF-309, PI3Kalpha-IN-9, 4-([1,2,4]Triazolo[4,3-b]pyridazin-6-yl)-N-(3,5-dimethoxyphenyl)piperazine-1-carboxamide. 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 C18H21N7O3?

C18H21N7O3 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.