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Molecular formula

C18H27N5O3

27 compounds have this formula on CompoundList.

Molar mass
361.45g/mol
Monoisotopic mass
361.2114Da
Atoms
53
Elements
4
Rings plus double bonds
8

The formula C18H27N5O3 describes a molecule made of 18 carbon atoms, 27 hydrogen atoms, 5 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 × 1859.81%
    12.011 × 18 = 216.198 g/mol
  • H Hydrogen × 277.53%
    1.008 × 27 = 27.216 g/mol
  • N Nitrogen × 519.38%
    14.007 × 5 = 70.035 g/mol
  • O Oxygen × 313.28%
    15.999 × 3 = 47.997 g/mol
Look up another formula

Compounds with the formula C18H27N5O3

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

Showing 1 to 27 of 27 compounds

8-[(3,5-Dimethylpiperidin-1-yl)methyl]-1,3-dimethyl-7-(2-oxopropyl)purine-2,6-dione chemical structure, C18H27N5O3, CAS 893971-84-1
8-[(3,5-Dimethylpiperidin-1-yl)methyl]-1,3-dimethyl-7-(2-oxopropyl)purine-2,6-dione
CAS 893971-84-1C18H27N5O3
Ethyl 1-ethyl-3-methyl-4-[(2-morpholinoethyl)amino]-1H-pyrazolo[3,4-b]pyridine-5-carboxylate chemical structure, C18H27N5O3, CAS 860785-54-2
Ethyl 1-ethyl-3-methyl-4-[(2-morpholinoethyl)amino]-1H-pyrazolo[3,4-b]pyridine-5-carboxylate
CAS 860785-54-2C18H27N5O3
Cyclo(ethyltyrosylhomoarginyl) chemical structure, C18H27N5O3, CAS 85676-05-7
Cyclo(ethyltyrosylhomoarginyl)
CAS 85676-05-7C18H27N5O3
1,3-Dimethyl-8-[(4-methylpiperidin-1-yl)methyl]-7-(3-oxobutan-2-yl)purine-2,6-dione chemical structure, C18H27N5O3, CAS 578750-37-5
1,3-Dimethyl-8-[(4-methylpiperidin-1-yl)methyl]-7-(3-oxobutan-2-yl)purine-2,6-dione
CAS 578750-37-5C18H27N5O3
3-Isopentyl-8-(2-methoxyethyl)-1,6,7-trimethyl-1H-imidazo[2,1-f]purine-2,4(3H,8H)-dione chemical structure, C18H27N5O3, CAS 887874-21-7
3-Isopentyl-8-(2-methoxyethyl)-1,6,7-trimethyl-1H-imidazo[2,1-f]purine-2,4(3H,8H)-dione
CAS 887874-21-7C18H27N5O3
1,3-Dimethyl-8-((3-methylpiperidin-1-yl)methyl)-7-(3-oxobutan-2-yl)-1H-purine-2,6(3H,7H)-dione chemical structure, C18H27N5O3, CAS 868146-78-5
1,3-Dimethyl-8-((3-methylpiperidin-1-yl)methyl)-7-(3-oxobutan-2-yl)-1H-purine-2,6(3H,7H)-dione
CAS 868146-78-5C18H27N5O3
6-(2-Methoxyethyl)-4,7,8-trimethyl-2-pentylpurino[7,8-a]imidazole-1,3-dione chemical structure, C18H27N5O3, CAS 887874-08-0
6-(2-Methoxyethyl)-4,7,8-trimethyl-2-pentylpurino[7,8-a]imidazole-1,3-dione
CAS 887874-08-0C18H27N5O3
9-Cyclohexyl-3-(2-methoxyethyl)-1-methyl-7,8-dihydro-6H-purino[7,8-a]pyrimidine-2,4-dione chemical structure, C18H27N5O3, CAS 849922-49-2
9-Cyclohexyl-3-(2-methoxyethyl)-1-methyl-7,8-dihydro-6H-purino[7,8-a]pyrimidine-2,4-dione
CAS 849922-49-2C18H27N5O3
8-(sec-Butyl)-3-(2-ethoxyethyl)-1,6,7-trimethyl-1H-imidazo[2,1-f]purine-2,4(3H,8H)-dione chemical structure, C18H27N5O3, CAS 916029-91-9
8-(sec-Butyl)-3-(2-ethoxyethyl)-1,6,7-trimethyl-1H-imidazo[2,1-f]purine-2,4(3H,8H)-dione
CAS 916029-91-9C18H27N5O3
3-Butyl-8-(3-methoxypropyl)-1,6,7-trimethyl-1H-imidazo[2,1-f]purine-2,4(3H,8H)-dione chemical structure, C18H27N5O3, CAS 896311-35-6
3-Butyl-8-(3-methoxypropyl)-1,6,7-trimethyl-1H-imidazo[2,1-f]purine-2,4(3H,8H)-dione
CAS 896311-35-6C18H27N5O3
3-Isobutyl-8-(3-methoxypropyl)-1,6,7-trimethyl-1H-imidazo[2,1-f]purine-2,4(3H,8H)-dione chemical structure, C18H27N5O3, CAS 896311-42-5
3-Isobutyl-8-(3-methoxypropyl)-1,6,7-trimethyl-1H-imidazo[2,1-f]purine-2,4(3H,8H)-dione
CAS 896311-42-5C18H27N5O3
8-Butyl-3-(2-ethoxyethyl)-1,6,7-trimethyl-1,3,5-trihydro-4-imidazolino[1,2-h]p urine-2,4-dione chemical structure, C18H27N5O3, CAS 896312-59-7
8-Butyl-3-(2-ethoxyethyl)-1,6,7-trimethyl-1,3,5-trihydro-4-imidazolino[1,2-h]p urine-2,4-dione
CAS 896312-59-7C18H27N5O3
3-(1-(4,5-Dimethyl-6-oxo-1,6-dihydropyrimidin-2-yl)-3,5-dimethyl-1H-pyrazol-4-yl)-N-(1-methoxypropan-2-yl)propanamide chemical structure, C18H27N5O3, CAS 1171565-51-7
3-(1-(4,5-Dimethyl-6-oxo-1,6-dihydropyrimidin-2-yl)-3,5-dimethyl-1H-pyrazol-4-yl)-N-(1-methoxypropan-2-yl)propanamide
CAS 1171565-51-7C18H27N5O3
3-Isopentyl-8-(3-methoxypropyl)-1,7-dimethyl-1H-imidazo[2,1-f]purine-2,4(3H,8H)-dione chemical structure, C18H27N5O3, CAS 887465-80-7
3-Isopentyl-8-(3-methoxypropyl)-1,7-dimethyl-1H-imidazo[2,1-f]purine-2,4(3H,8H)-dione
CAS 887465-80-7C18H27N5O3
6-(4-Ethylpiperazine-1-carbonyl)-1,3-dimethyl-7-propyl-1H-pyrrolo[2,3-d]pyrimidine-2,4(3H,7H)-dione chemical structure, C18H27N5O3, CAS 1021259-28-8
6-(4-Ethylpiperazine-1-carbonyl)-1,3-dimethyl-7-propyl-1H-pyrrolo[2,3-d]pyrimidine-2,4(3H,7H)-dione
CAS 1021259-28-8C18H27N5O3
N1-((1-(tert-butylcarbamoyl)piperidin-4-yl)methyl)-N2-(pyridin-3-yl)oxalamide chemical structure, C18H27N5O3, CAS 1234955-69-1
N1-((1-(tert-butylcarbamoyl)piperidin-4-yl)methyl)-N2-(pyridin-3-yl)oxalamide
CAS 1234955-69-1C18H27N5O3
tert-Butyl 3-cyano-4-[2-(3,5-dimethyl-1H-pyrazol-1-yl)propanoyl]piperazine-1-carboxylate chemical structure, C18H27N5O3, CAS 1394664-75-5
tert-Butyl 3-cyano-4-[2-(3,5-dimethyl-1H-pyrazol-1-yl)propanoyl]piperazine-1-carboxylate
CAS 1394664-75-5C18H27N5O3
1-(4-(3-((6-(Dimethylamino)pyrazin-2-yl)oxy)pyrrolidine-1-carbonyl)piperidin-1-yl)ethanone chemical structure, C18H27N5O3, CAS 2034286-41-2
1-(4-(3-((6-(Dimethylamino)pyrazin-2-yl)oxy)pyrrolidine-1-carbonyl)piperidin-1-yl)ethanone
CAS 2034286-41-2C18H27N5O3
1-(4-(3-((6-(Dimethylamino)pyridazin-3-yl)oxy)pyrrolidine-1-carbonyl)piperidin-1-yl)ethanone chemical structure, C18H27N5O3, CAS 2034249-73-3
1-(4-(3-((6-(Dimethylamino)pyridazin-3-yl)oxy)pyrrolidine-1-carbonyl)piperidin-1-yl)ethanone
CAS 2034249-73-3C18H27N5O3
1,1-Dimethylethyl (2S)-2-[[4-(2-pyrimidinyl)-1-piperazinyl]carbonyl]-1-pyrrolidinecarboxylate chemical structure, C18H27N5O3, CAS 668484-60-4
1,1-Dimethylethyl (2S)-2-[[4-(2-pyrimidinyl)-1-piperazinyl]carbonyl]-1-pyrrolidinecarboxylate
CAS 668484-60-4C18H27N5O3
1-{[3-(4-Methylpiperidin-1-yl)-6-oxopyridazin-1(6H)-yl]acetyl}piperidine-4-carboxamide chemical structure, C18H27N5O3, CAS 1282113-78-3
1-{[3-(4-Methylpiperidin-1-yl)-6-oxopyridazin-1(6H)-yl]acetyl}piperidine-4-carboxamide
CAS 1282113-78-3C18H27N5O3
tert-Butyl (R)-(1-(3,5-dimethyl-2-oxo-2,3-dihydro-1H-imidazo[4,5-b]pyridin-7-yl)piperidin-3-yl)carbamate chemical structure, C18H27N5O3, CAS 1314946-30-9
tert-Butyl (R)-(1-(3,5-dimethyl-2-oxo-2,3-dihydro-1H-imidazo[4,5-b]pyridin-7-yl)piperidin-3-yl)carbamate
CAS 1314946-30-9C18H27N5O3
tert-Butyl (6-(4-azidobenzamido)hexyl)carbamate chemical structure, C18H27N5O3, CAS 88373-03-9
tert-Butyl (6-(4-azidobenzamido)hexyl)carbamate
CAS 88373-03-9C18H27N5O3
[5-(1,4-Dioxa-8-azaspiro[4.5]decan-8-yl)pyrazin-2-yl](4-ethylpiperazin-1-yl)methanone chemical structure, C18H27N5O3, CAS 1909900-00-0
[5-(1,4-Dioxa-8-azaspiro[4.5]decan-8-yl)pyrazin-2-yl](4-ethylpiperazin-1-yl)methanone
CAS 1909900-00-0C18H27N5O3

Frequently asked questions

What is the molar mass of C18H27N5O3?

The molar mass of C18H27N5O3 is 361.45 g/mol, calculated from standard atomic weights for 18 carbon atoms, 27 hydrogen atoms, 5 nitrogen atoms and 3 oxygen atoms. The monoisotopic mass is 361.2114 Da.

How many compounds have the formula C18H27N5O3?

CompoundList lists 27 compounds with the molecular formula C18H27N5O3, including 8-[(3,5-Dimethylpiperidin-1-yl)methyl]-1,3-dimethyl-7-(2-oxopropyl)purine-2,6-dione, Ethyl 1-ethyl-3-methyl-4-[(2-morpholinoethyl)amino]-1H-pyrazolo[3,4-b]pyridine-5-carboxylate, Cyclo(ethyltyrosylhomoarginyl). 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 C18H27N5O3?

C18H27N5O3 has a degree of unsaturation of 8. 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.