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Molecular formula

C18H21N5O5

36 compounds have this formula on CompoundList.

Molar mass
387.40g/mol
Monoisotopic mass
387.1543Da
Atoms
49
Elements
4
Rings plus double bonds
11

The formula C18H21N5O5 describes a molecule made of 18 carbon atoms, 21 hydrogen atoms, 5 nitrogen atoms and 5 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 × 1855.81%
    12.011 × 18 = 216.198 g/mol
  • H Hydrogen × 215.46%
    1.008 × 21 = 21.168 g/mol
  • N Nitrogen × 518.08%
    14.007 × 5 = 70.035 g/mol
  • O Oxygen × 520.65%
    15.999 × 5 = 79.995 g/mol
Look up another formula

Compounds with the formula C18H21N5O5

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

Showing 1 to 36 of 36 compounds

Benzyladenine 9-glucoside chemical structure, C18H21N5O5, CAS 4294-17-1
Benzyladenine 9-glucoside
CAS 4294-17-1C18H21N5O5
N6-(m-Methoxybenzyl)adenosine chemical structure, C18H21N5O5, CAS 101565-95-1
N6-(m-Methoxybenzyl)adenosine
CAS 101565-95-1C18H21N5O5
N6-(p-Methoxybenzyl)adenosine chemical structure, C18H21N5O5, CAS 23666-24-2
N6-(p-Methoxybenzyl)adenosine
CAS 23666-24-2C18H21N5O5
2-(2-Phenylethoxy)adenosine chemical structure, C18H21N5O5, CAS 131865-79-7
2-(2-Phenylethoxy)adenosine
CAS 131865-79-7C18H21N5O5
N6-(2-Methoxybenzyl)adenosine chemical structure, C18H21N5O5, CAS 23660-98-2
N6-(2-Methoxybenzyl)adenosine
CAS 23660-98-2C18H21N5O5
Ethyl 4-((4-methyl-6-morpholino-5-nitropyrimidin-2-yl)amino)benzoate chemical structure, C18H21N5O5, CAS 1202980-24-2
Ethyl 4-((4-methyl-6-morpholino-5-nitropyrimidin-2-yl)amino)benzoate
CAS 1202980-24-2C18H21N5O5
2-[6-(Benzylamino)purin-7-yl]-6-(hydroxymethyl)oxane-3,4,5-triol chemical structure, C18H21N5O5, CAS 56159-42-3
2-[6-(Benzylamino)purin-7-yl]-6-(hydroxymethyl)oxane-3,4,5-triol
CAS 56159-42-3C18H21N5O5
N6-(P-Hydroxyphenethyl)-adenosine) chemical structure, C18H21N5O5, CAS 41552-94-7
N6-(P-Hydroxyphenethyl)-adenosine)
CAS 41552-94-7C18H21N5O5
Theophylline, 7-(3-((3,4-dihydroxybenzoylmethyl)amino)propyl)- chemical structure, C18H21N5O5, CAS 62402-12-4
Theophylline, 7-(3-((3,4-dihydroxybenzoylmethyl)amino)propyl)-
CAS 62402-12-4C18H21N5O5
Ethyl N-[6-amino-5-nitro-4-[(2-oxo-4-phenylbutyl)amino]pyridin-2-yl]carbamate chemical structure, C18H21N5O5, CAS 83269-04-9
Ethyl N-[6-amino-5-nitro-4-[(2-oxo-4-phenylbutyl)amino]pyridin-2-yl]carbamate
CAS 83269-04-9C18H21N5O5
Ethyl 2-[9-(furan-2-ylmethyl)-1-methyl-2,4-dioxo-7,8-dihydro-6H-purino[7,8-a]pyrimidin-3-yl]acetate chemical structure, C18H21N5O5, CAS 876151-09-6
Ethyl 2-[9-(furan-2-ylmethyl)-1-methyl-2,4-dioxo-7,8-dihydro-6H-purino[7,8-a]pyrimidin-3-yl]acetate
CAS 876151-09-6C18H21N5O5
2-[N-Butyl-4-[(2,4-dinitrophenyl)diazenyl]anilino]ethanol chemical structure, C18H21N5O5, CAS 3266-98-6
2-[N-Butyl-4-[(2,4-dinitrophenyl)diazenyl]anilino]ethanol
CAS 3266-98-6C18H21N5O5
1-(2,3-Dihydrobenzo[b][1,4]dioxin-6-yl)-3-(2-methoxy-4-morpholinopyrimidin-5-yl)urea chemical structure, C18H21N5O5, CAS 1788532-38-6
1-(2,3-Dihydrobenzo[b][1,4]dioxin-6-yl)-3-(2-methoxy-4-morpholinopyrimidin-5-yl)urea
CAS 1788532-38-6C18H21N5O5
Guanosine, 2'-deoxy-6-O-(2-hydroxy-2-phenylethyl)- chemical structure, C18H21N5O5, CAS 117456-69-6
Guanosine, 2'-deoxy-6-O-(2-hydroxy-2-phenylethyl)-
CAS 117456-69-6C18H21N5O5
9-[3,4-Dihydroxy-5-(hydroxymethyl)oxolan-2-yl]-6-(2-phenylethylamino)-1H-purin-2-one chemical structure, C18H21N5O5, CAS 23541-25-5
9-[3,4-Dihydroxy-5-(hydroxymethyl)oxolan-2-yl]-6-(2-phenylethylamino)-1H-purin-2-one
CAS 23541-25-5C18H21N5O5
8-(4-Methoxyphenyl)-2-(2-morpholino-2-oxoethyl)-7,8-dihydroimidazo[2,1-c][1,2,4]triazine-3,4(2H,6H)-dione chemical structure, C18H21N5O5, CAS 941888-30-8
8-(4-Methoxyphenyl)-2-(2-morpholino-2-oxoethyl)-7,8-dihydroimidazo[2,1-c][1,2,4]triazine-3,4(2H,6H)-dione
CAS 941888-30-8C18H21N5O5
N1-(isoxazol-3-yl)-N2-((1-(1-methyl-2-oxo-1,2-dihydropyridine-3-carbonyl)piperidin-4-yl)methyl)oxalamide chemical structure, C18H21N5O5, CAS 1234896-89-9
N1-(isoxazol-3-yl)-N2-((1-(1-methyl-2-oxo-1,2-dihydropyridine-3-carbonyl)piperidin-4-yl)methyl)oxalamide
CAS 1234896-89-9C18H21N5O5
N1-(benzo[d][1,3]dioxol-5-yl)-N4-((3-methyl-1,2,4-oxadiazol-5-yl)methyl)piperidine-1,4-dicarboxamide chemical structure, C18H21N5O5, CAS 1334373-21-5
N1-(benzo[d][1,3]dioxol-5-yl)-N4-((3-methyl-1,2,4-oxadiazol-5-yl)methyl)piperidine-1,4-dicarboxamide
CAS 1334373-21-5C18H21N5O5
Thalidomide-NH-amido-C3-NH2 chemical structure, C18H21N5O5, CAS 2763827-11-6
Thalidomide-NH-amido-C3-NH2
CAS 2763827-11-6C18H21N5O5
2'-Deoxy-6-O-(2-hydroxy-1-phenylethyl)guanosine chemical structure, C18H21N5O5, CAS 117456-68-5
2'-Deoxy-6-O-(2-hydroxy-1-phenylethyl)guanosine
CAS 117456-68-5C18H21N5O5
9-[2-o-(4-Methoxybenzyl)pentofuranosyl]-9H-purin-6-amine chemical structure, C18H21N5O5, CAS 80015-54-9
9-[2-o-(4-Methoxybenzyl)pentofuranosyl]-9H-purin-6-amine
CAS 80015-54-9C18H21N5O5
[(4R,6R,7S,8R)-11-(2-Cyanoethylamino)-7-methoxy-12-methyl-10,13-dioxo-2,5-diazatetracyclo[7.4.0.02,7.04,6]trideca-1(9),11-dien-8-yl]methyl carbamate chemical structure, C18H21N5O5, CAS 83586-85-0
[(4R,6R,7S,8R)-11-(2-Cyanoethylamino)-7-methoxy-12-methyl-10,13-dioxo-2,5-diazatetracyclo[7.4.0.02,7.04,6]trideca-1(9),11-dien-8-yl]methyl carbamate
CAS 83586-85-0C18H21N5O5
2-(2,3-Dihydroxypropyl)-6-(4-methoxyphenyl)-4-methyl-7,8-dihydropurino[7,8-a]imidazole-1,3-dione chemical structure, C18H21N5O5, CAS 382620-97-5
2-(2,3-Dihydroxypropyl)-6-(4-methoxyphenyl)-4-methyl-7,8-dihydropurino[7,8-a]imidazole-1,3-dione
CAS 382620-97-5C18H21N5O5
Ethyl 2-(2-(3,4-dioxo-8-(p-tolyl)-3,4,7,8-tetrahydroimidazo[2,1-c][1,2,4]triazin-2(6H)-yl)acetamido)acetate chemical structure, C18H21N5O5, CAS 941936-86-3
Ethyl 2-(2-(3,4-dioxo-8-(p-tolyl)-3,4,7,8-tetrahydroimidazo[2,1-c][1,2,4]triazin-2(6H)-yl)acetamido)acetate
CAS 941936-86-3C18H21N5O5

Frequently asked questions

What is the molar mass of C18H21N5O5?

The molar mass of C18H21N5O5 is 387.40 g/mol, calculated from standard atomic weights for 18 carbon atoms, 21 hydrogen atoms, 5 nitrogen atoms and 5 oxygen atoms. The monoisotopic mass is 387.1543 Da.

How many compounds have the formula C18H21N5O5?

CompoundList lists 36 compounds with the molecular formula C18H21N5O5, including Benzyladenine 9-glucoside, N6-(m-Methoxybenzyl)adenosine, N6-(p-Methoxybenzyl)adenosine. 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 C18H21N5O5?

C18H21N5O5 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.