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Molecular formula

C18H18ClN5O4

14 compounds have this formula on CompoundList.

Molar mass
403.82g/mol
Monoisotopic mass
403.1047Da
Atoms
46
Elements
5
Rings plus double bonds
12

The formula C18H18ClN5O4 describes a molecule made of 18 carbon atoms, 18 hydrogen atoms, 1 chlorine atom, 5 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 × 1853.54%
    12.011 × 18 = 216.198 g/mol
  • H Hydrogen × 184.49%
    1.008 × 18 = 18.144 g/mol
  • Cl Chlorine × 18.78%
    35.45 × 1 = 35.450 g/mol
  • N Nitrogen × 517.34%
    14.007 × 5 = 70.035 g/mol
  • O Oxygen × 415.85%
    15.999 × 4 = 63.996 g/mol
Look up another formula

Compounds with the formula C18H18ClN5O4

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

Showing 1 to 14 of 14 compounds

2-[9-(4-Chlorophenyl)-1,7-dimethyl-2,4-dioxo-7,8-dihydro-6H-purino[7,8-a]pyrimidin-3-yl]acetic acid chemical structure, C18H18ClN5O4, CAS 878423-85-9
2-[9-(4-Chlorophenyl)-1,7-dimethyl-2,4-dioxo-7,8-dihydro-6H-purino[7,8-a]pyrimidin-3-yl]acetic acid
CAS 878423-85-9C18H18ClN5O4
N-((1-(4-Chlorophenyl)-1H-tetrazol-5-yl)methyl)-3,4,5-trimethoxybenzamide chemical structure, C18H18ClN5O4, CAS 897615-28-0
N-((1-(4-Chlorophenyl)-1H-tetrazol-5-yl)methyl)-3,4,5-trimethoxybenzamide
CAS 897615-28-0C18H18ClN5O4
2-[9-(3-Chlorophenyl)-1,7-dimethyl-2,4-dioxo-7,8-dihydro-6H-purino[7,8-a]pyrimidin-3-yl]acetic acid chemical structure, C18H18ClN5O4, CAS 878423-91-7
2-[9-(3-Chlorophenyl)-1,7-dimethyl-2,4-dioxo-7,8-dihydro-6H-purino[7,8-a]pyrimidin-3-yl]acetic acid
CAS 878423-91-7C18H18ClN5O4
Methyl 2-[9-(4-chlorophenyl)-1-methyl-2,4-dioxo-7,8-dihydro-6H-purino[7,8-a]pyrimidin-3-yl]acetate chemical structure, C18H18ClN5O4, CAS 850827-91-7
Methyl 2-[9-(4-chlorophenyl)-1-methyl-2,4-dioxo-7,8-dihydro-6H-purino[7,8-a]pyrimidin-3-yl]acetate
CAS 850827-91-7C18H18ClN5O4
Methyl 2-[8-(3-chloro-4-methylphenyl)-1-methyl-2,4-dioxo-1,3,5-trihydroimidazo lidino[1,2-h]purin-3-yl]acetate chemical structure, C18H18ClN5O4, CAS 919013-00-6
Methyl 2-[8-(3-chloro-4-methylphenyl)-1-methyl-2,4-dioxo-1,3,5-trihydroimidazo lidino[1,2-h]purin-3-yl]acetate
CAS 919013-00-6C18H18ClN5O4
Methyl 2-[9-(3-chlorophenyl)-1-methyl-2,4-dioxo-7,8-dihydro-6H-purino[7,8-a]pyrimidin-3-yl]acetate chemical structure, C18H18ClN5O4, CAS 876900-07-1
Methyl 2-[9-(3-chlorophenyl)-1-methyl-2,4-dioxo-7,8-dihydro-6H-purino[7,8-a]pyrimidin-3-yl]acetate
CAS 876900-07-1C18H18ClN5O4
2-[9-(3-Chloro-2-methylphenyl)-1-methyl-2,4-dioxo-7,8-dihydro-6H-purino[7,8-a]pyrimidin-3-yl]acetic acid chemical structure, C18H18ClN5O4, CAS 878423-50-8
2-[9-(3-Chloro-2-methylphenyl)-1-methyl-2,4-dioxo-7,8-dihydro-6H-purino[7,8-a]pyrimidin-3-yl]acetic acid
CAS 878423-50-8C18H18ClN5O4
1-(8-Chloro-11-oxo-2,3,4,11-tetrahydro-1H-dipyrido[1,2-a:4',3'-d]pyrimidine-2-carbonyl)-4-ethylpiperazine-2,3-dione chemical structure, C18H18ClN5O4, CAS 2034506-46-0
1-(8-Chloro-11-oxo-2,3,4,11-tetrahydro-1H-dipyrido[1,2-a:4',3'-d]pyrimidine-2-carbonyl)-4-ethylpiperazine-2,3-dione
CAS 2034506-46-0C18H18ClN5O4
Cladribine impurity 4 chemical structure, C18H18ClN5O4, CAS 152463-97-3
Cladribine impurity 4
CAS 152463-97-3C18H18ClN5O4
(2R,4aR,7R,8S,8aS)-7-(2-Amino-6-chloro-9H-purin-9-yl)-2-phenylhexahydropyrano[3,2-d][1,3]dioxin-8-ol chemical structure, C18H18ClN5O4, CAS 705967-79-9
(2R,4aR,7R,8S,8aS)-7-(2-Amino-6-chloro-9H-purin-9-yl)-2-phenylhexahydropyrano[3,2-d][1,3]dioxin-8-ol
CAS 705967-79-9C18H18ClN5O4
2-(1,3-Dimethyl-2,6-dioxo-2,3,6,7-tetrahydro-1H-purin-7-yl)ethyl 6-chloro-5-cyclopropylpyridine-3-carboxylate chemical structure, C18H18ClN5O4, CAS 1808382-17-3
2-(1,3-Dimethyl-2,6-dioxo-2,3,6,7-tetrahydro-1H-purin-7-yl)ethyl 6-chloro-5-cyclopropylpyridine-3-carboxylate
CAS 1808382-17-3C18H18ClN5O4
(2R,3S,5R)-5-(6-Amino-2-chloro-9H-purin-9-yl)-2-(hydroxymethyl)tetrahydrofuran-3-yl 4-methylbenzoate chemical structure, C18H18ClN5O4, CAS 152463-98-4
(2R,3S,5R)-5-(6-Amino-2-chloro-9H-purin-9-yl)-2-(hydroxymethyl)tetrahydrofuran-3-yl 4-methylbenzoate
CAS 152463-98-4C18H18ClN5O4
2,5-Dimethoxy-4-((2-oxo-1-((phenylamino)carbonyl)propyl)azo)benzenediazonium chloride chemical structure, C18H18ClN5O4, CAS 94230-90-7
2,5-Dimethoxy-4-((2-oxo-1-((phenylamino)carbonyl)propyl)azo)benzenediazonium chloride
CAS 94230-90-7C18H18ClN5O4
tert-Butyl 2-{[(benzyloxy)carbonyl]amino}-6-chloro-7H-purine-7-carboxylate chemical structure, C18H18ClN5O4, CAS 2680776-64-9
tert-Butyl 2-{[(benzyloxy)carbonyl]amino}-6-chloro-7H-purine-7-carboxylate
CAS 2680776-64-9C18H18ClN5O4

Frequently asked questions

What is the molar mass of C18H18ClN5O4?

The molar mass of C18H18ClN5O4 is 403.82 g/mol, calculated from standard atomic weights for 18 carbon atoms, 18 hydrogen atoms, 1 chlorine atom, 5 nitrogen atoms and 4 oxygen atoms. The monoisotopic mass is 403.1047 Da.

How many compounds have the formula C18H18ClN5O4?

CompoundList lists 14 compounds with the molecular formula C18H18ClN5O4, including 2-[9-(4-Chlorophenyl)-1,7-dimethyl-2,4-dioxo-7,8-dihydro-6H-purino[7,8-a]pyrimidin-3-yl]acetic acid, N-((1-(4-Chlorophenyl)-1H-tetrazol-5-yl)methyl)-3,4,5-trimethoxybenzamide, 2-[9-(3-Chlorophenyl)-1,7-dimethyl-2,4-dioxo-7,8-dihydro-6H-purino[7,8-a]pyrimidin-3-yl]acetic acid. 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 C18H18ClN5O4?

C18H18ClN5O4 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.