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Molecular formula

C18H16ClN3O5

26 compounds have this formula on CompoundList.

Molar mass
389.79g/mol
Monoisotopic mass
389.0778Da
Atoms
43
Elements
5
Rings plus double bonds
12

The formula C18H16ClN3O5 describes a molecule made of 18 carbon atoms, 16 hydrogen atoms, 1 chlorine atom, 3 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 × 1855.46%
    12.011 × 18 = 216.198 g/mol
  • H Hydrogen × 164.14%
    1.008 × 16 = 16.128 g/mol
  • Cl Chlorine × 19.09%
    35.45 × 1 = 35.450 g/mol
  • N Nitrogen × 310.78%
    14.007 × 3 = 42.021 g/mol
  • O Oxygen × 520.52%
    15.999 × 5 = 79.995 g/mol
Look up another formula

Compounds with the formula C18H16ClN3O5

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

Showing 1 to 26 of 26 compounds

Ethyl 2-{[2-(4-chlorophenyl)-6-nitro-1H-1,3-benzimidazol-1-yl]oxy}propanoate chemical structure, C18H16ClN3O5, CAS 282523-41-5
Ethyl 2-{[2-(4-chlorophenyl)-6-nitro-1H-1,3-benzimidazol-1-yl]oxy}propanoate
CAS 282523-41-5C18H16ClN3O5
Ethyl 2-{[2-(3-chlorophenyl)-6-nitro-1H-1,3-benzimidazol-1-yl]oxy}propanoate chemical structure, C18H16ClN3O5, CAS 303149-66-8
Ethyl 2-{[2-(3-chlorophenyl)-6-nitro-1H-1,3-benzimidazol-1-yl]oxy}propanoate
CAS 303149-66-8C18H16ClN3O5
3-Chloro-N-[4-(3,4-dimethoxyphenyl)-1,2,5-oxadiazol-3-yl]-4-methoxybenzamide chemical structure, C18H16ClN3O5, CAS 874193-43-8
3-Chloro-N-[4-(3,4-dimethoxyphenyl)-1,2,5-oxadiazol-3-yl]-4-methoxybenzamide
CAS 874193-43-8C18H16ClN3O5
N-[(2-Chlorobenzoyl)oxy]-N-[(Z)-(4-morpholino-3-nitrophenyl)methylidene]amine chemical structure, C18H16ClN3O5, CAS 339019-91-9
N-[(2-Chlorobenzoyl)oxy]-N-[(Z)-(4-morpholino-3-nitrophenyl)methylidene]amine
CAS 339019-91-9C18H16ClN3O5
N-[4-(4-Chlorophenyl)-1,2,5-oxadiazol-3-yl]-3,4,5-trimethoxybenzamide chemical structure, C18H16ClN3O5, CAS 873083-08-0
N-[4-(4-Chlorophenyl)-1,2,5-oxadiazol-3-yl]-3,4,5-trimethoxybenzamide
CAS 873083-08-0C18H16ClN3O5
3-(5-Chloro-2-methoxyphenyl)-2-methyl-8-nitro-5,6-dihydro-2H-2,6-methanobenzo[g][1,3,5]oxadiazocin-4(3H)-one chemical structure, C18H16ClN3O5, CAS 866346-29-4
3-(5-Chloro-2-methoxyphenyl)-2-methyl-8-nitro-5,6-dihydro-2H-2,6-methanobenzo[g][1,3,5]oxadiazocin-4(3H)-one
CAS 866346-29-4C18H16ClN3O5
2-Chloro-5-(6-methoxy-7-(2-methoxyethoxy)quinazolin-4-ylamino)cyclohexa-2,5-diene-1,4-dione chemical structure, C18H16ClN3O5, CAS 870959-62-9
2-Chloro-5-(6-methoxy-7-(2-methoxyethoxy)quinazolin-4-ylamino)cyclohexa-2,5-diene-1,4-dione
CAS 870959-62-9C18H16ClN3O5
2-Chloro-N-[3-methoxy-4-(2-oxopyrrolidin-1-yl)phenyl]-5-nitrobenzamide chemical structure, C18H16ClN3O5, CAS 931063-45-5
2-Chloro-N-[3-methoxy-4-(2-oxopyrrolidin-1-yl)phenyl]-5-nitrobenzamide
CAS 931063-45-5C18H16ClN3O5
3-(3-Chloro-4-methoxyphenyl)-2-methyl-8-nitro-5,6-dihydro-2H-2,6-methanobenzo[g][1,3,5]oxadiazocin-4(3H)-one chemical structure, C18H16ClN3O5, CAS 866346-28-3
3-(3-Chloro-4-methoxyphenyl)-2-methyl-8-nitro-5,6-dihydro-2H-2,6-methanobenzo[g][1,3,5]oxadiazocin-4(3H)-one
CAS 866346-28-3C18H16ClN3O5
N-(5-Chloro-2,4-dimethoxyphenyl)-2-((4-oxo-4H-pyrido[1,2-a]pyrimidin-2-yl)oxy)acetamide chemical structure, C18H16ClN3O5, CAS 1105251-07-7
N-(5-Chloro-2,4-dimethoxyphenyl)-2-((4-oxo-4H-pyrido[1,2-a]pyrimidin-2-yl)oxy)acetamide
CAS 1105251-07-7C18H16ClN3O5
1-[3-(4-Chlorophenyl)-1,2,4-oxadiazol-5-yl]-2-phenylethan-1-amine, oxalic acid chemical structure, C18H16ClN3O5, CAS 1259130-85-2
1-[3-(4-Chlorophenyl)-1,2,4-oxadiazol-5-yl]-2-phenylethan-1-amine, oxalic acid
CAS 1259130-85-2C18H16ClN3O5
1,3-Benzodioxol-5-yl[4-(2-chloro-6-nitrophenyl)piperazin-1-yl]methanone chemical structure, C18H16ClN3O5, CAS 701947-39-9
1,3-Benzodioxol-5-yl[4-(2-chloro-6-nitrophenyl)piperazin-1-yl]methanone
CAS 701947-39-9C18H16ClN3O5
1H-Imidazole, 1-(3-(2-chlorophenyl)-3-(3-methoxyphenyl)oxiranyl)-, mononitrate chemical structure, C18H16ClN3O5, CAS 79478-67-4
1H-Imidazole, 1-(3-(2-chlorophenyl)-3-(3-methoxyphenyl)oxiranyl)-, mononitrate
CAS 79478-67-4C18H16ClN3O5
3-Chloro-N-[5-(3,4,5-trimethoxyphenyl)-1,3,4-oxadiazol-2-yl]benzamide chemical structure, C18H16ClN3O5, CAS 891116-84-0
3-Chloro-N-[5-(3,4,5-trimethoxyphenyl)-1,3,4-oxadiazol-2-yl]benzamide
CAS 891116-84-0C18H16ClN3O5
5-Chloro-N-[3-methoxy-4-(2-oxopyrrolidin-1-yl)phenyl]-2-nitrobenzamide chemical structure, C18H16ClN3O5, CAS 941993-04-0
5-Chloro-N-[3-methoxy-4-(2-oxopyrrolidin-1-yl)phenyl]-2-nitrobenzamide
CAS 941993-04-0C18H16ClN3O5
2-Chloro-N-[3-methoxy-4-(2-oxopyrrolidin-1-yl)phenyl]-4-nitrobenzamide chemical structure, C18H16ClN3O5, CAS 941889-50-5
2-Chloro-N-[3-methoxy-4-(2-oxopyrrolidin-1-yl)phenyl]-4-nitrobenzamide
CAS 941889-50-5C18H16ClN3O5
2-Chloro-N-[4-methoxy-3-(2-oxopyrrolidin-1-yl)phenyl]-5-nitrobenzamide chemical structure, C18H16ClN3O5, CAS 941934-28-7
2-Chloro-N-[4-methoxy-3-(2-oxopyrrolidin-1-yl)phenyl]-5-nitrobenzamide
CAS 941934-28-7C18H16ClN3O5
2-Chloro-N-[4-methoxy-3-(2-oxopyrrolidin-1-yl)phenyl]-4-nitrobenzamide chemical structure, C18H16ClN3O5, CAS 941934-48-1
2-Chloro-N-[4-methoxy-3-(2-oxopyrrolidin-1-yl)phenyl]-4-nitrobenzamide
CAS 941934-48-1C18H16ClN3O5
1-((3-(Benzo[d][1,3]dioxol-5-yl)-2-oxooxazolidin-5-yl)methyl)-3-(2-chlorophenyl)urea chemical structure, C18H16ClN3O5, CAS 954691-74-8
1-((3-(Benzo[d][1,3]dioxol-5-yl)-2-oxooxazolidin-5-yl)methyl)-3-(2-chlorophenyl)urea
CAS 954691-74-8C18H16ClN3O5
1,3-Benzodioxol-5-yl[4-(4-chloro-2-nitrophenyl)piperazin-1-yl]methanone chemical structure, C18H16ClN3O5, CAS 706769-57-5
1,3-Benzodioxol-5-yl[4-(4-chloro-2-nitrophenyl)piperazin-1-yl]methanone
CAS 706769-57-5C18H16ClN3O5
2-(4-Chlorophenoxy)-N-[5-(3,5-dimethoxyphenyl)-1,3,4-oxadiazol-2-yl]acetamide chemical structure, C18H16ClN3O5, CAS 865286-95-9
2-(4-Chlorophenoxy)-N-[5-(3,5-dimethoxyphenyl)-1,3,4-oxadiazol-2-yl]acetamide
CAS 865286-95-9C18H16ClN3O5
N-(5-(2-Chlorophenyl)-1,3,4-oxadiazol-2-yl)-3,4,5-trimethoxybenzamide chemical structure, C18H16ClN3O5, CAS 865249-40-7
N-(5-(2-Chlorophenyl)-1,3,4-oxadiazol-2-yl)-3,4,5-trimethoxybenzamide
CAS 865249-40-7C18H16ClN3O5
2-(4-Chlorophenoxy)-N-[4-(3,4-dimethoxyphenyl)-1,2,5-oxadiazol-3-yl]acetamide chemical structure, C18H16ClN3O5, CAS 890601-87-3
2-(4-Chlorophenoxy)-N-[4-(3,4-dimethoxyphenyl)-1,2,5-oxadiazol-3-yl]acetamide
CAS 890601-87-3C18H16ClN3O5
Phenyl (2-chloro-6,7,8-trimethoxyquinazolin-4-yl)carbamate chemical structure, C18H16ClN3O5, CAS 65962-96-1
Phenyl (2-chloro-6,7,8-trimethoxyquinazolin-4-yl)carbamate
CAS 65962-96-1C18H16ClN3O5

Frequently asked questions

What is the molar mass of C18H16ClN3O5?

The molar mass of C18H16ClN3O5 is 389.79 g/mol, calculated from standard atomic weights for 18 carbon atoms, 16 hydrogen atoms, 1 chlorine atom, 3 nitrogen atoms and 5 oxygen atoms. The monoisotopic mass is 389.0778 Da.

How many compounds have the formula C18H16ClN3O5?

CompoundList lists 26 compounds with the molecular formula C18H16ClN3O5, including Ethyl 2-{[2-(4-chlorophenyl)-6-nitro-1H-1,3-benzimidazol-1-yl]oxy}propanoate, Ethyl 2-{[2-(3-chlorophenyl)-6-nitro-1H-1,3-benzimidazol-1-yl]oxy}propanoate, 3-Chloro-N-[4-(3,4-dimethoxyphenyl)-1,2,5-oxadiazol-3-yl]-4-methoxybenzamide. 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 C18H16ClN3O5?

C18H16ClN3O5 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.