CompoundList
Sign in
Molecular formula

C18H18N2O5

205 compounds have this formula on CompoundList.

Molar mass
342.35g/mol
Monoisotopic mass
342.1216Da
Atoms
43
Elements
4
Rings plus double bonds
11

The formula C18H18N2O5 describes a molecule made of 18 carbon atoms, 18 hydrogen atoms, 2 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 × 1863.15%
    12.011 × 18 = 216.198 g/mol
  • H Hydrogen × 185.30%
    1.008 × 18 = 18.144 g/mol
  • N Nitrogen × 28.18%
    14.007 × 2 = 28.014 g/mol
  • O Oxygen × 523.37%
    15.999 × 5 = 79.995 g/mol
Look up another formula

Compounds with the formula C18H18N2O5

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

Showing 201 to 205 of 205 compounds

1-Benzyl 5-methyl 8-hydroxy-1,2,3,4-tetrahydro-1,7-naphthyridine-1,5-dicarboxylate chemical structure, C18H18N2O5, CAS 2680775-22-6
1-Benzyl 5-methyl 8-hydroxy-1,2,3,4-tetrahydro-1,7-naphthyridine-1,5-dicarboxylate
CAS 2680775-22-6C18H18N2O5
2-Benzyl 8-methyl 5-hydroxy-1,2,3,4-tetrahydro-2,6-naphthyridine-2,8-dicarboxylate chemical structure, C18H18N2O5, CAS 2680887-87-8
2-Benzyl 8-methyl 5-hydroxy-1,2,3,4-tetrahydro-2,6-naphthyridine-2,8-dicarboxylate
CAS 2680887-87-8C18H18N2O5
1,3-Dioxo-2,3-dihydro-1H-isoindol-2-yl 1-cyclopropanecarbonylpiperidine-3-carboxylate chemical structure, C18H18N2O5, CAS 2248360-64-5
1,3-Dioxo-2,3-dihydro-1H-isoindol-2-yl 1-cyclopropanecarbonylpiperidine-3-carboxylate
CAS 2248360-64-5C18H18N2O5
2-(2-{[(Benzyloxy)carbonyl](methyl)amino}acetamido)benzoic acid chemical structure, C18H18N2O5, CAS 2770556-83-5
2-(2-{[(Benzyloxy)carbonyl](methyl)amino}acetamido)benzoic acid
CAS 2770556-83-5C18H18N2O5
(2S)-2-[[2-[3-(Furan-2-yl)prop-2-enoylamino]acetyl]amino]-3-phenylpropanoic acid chemical structure, C18H18N2O5, CAS 88874-25-3
(2S)-2-[[2-[3-(Furan-2-yl)prop-2-enoylamino]acetyl]amino]-3-phenylpropanoic acid
CAS 88874-25-3C18H18N2O5

Frequently asked questions

What is the molar mass of C18H18N2O5?

The molar mass of C18H18N2O5 is 342.35 g/mol, calculated from standard atomic weights for 18 carbon atoms, 18 hydrogen atoms, 2 nitrogen atoms and 5 oxygen atoms. The monoisotopic mass is 342.1216 Da.

How many compounds have the formula C18H18N2O5?

CompoundList lists 205 compounds with the molecular formula C18H18N2O5, including 1-Benzyl 5-methyl 8-hydroxy-1,2,3,4-tetrahydro-1,7-naphthyridine-1,5-dicarboxylate, 2-Benzyl 8-methyl 5-hydroxy-1,2,3,4-tetrahydro-2,6-naphthyridine-2,8-dicarboxylate, 1,3-Dioxo-2,3-dihydro-1H-isoindol-2-yl 1-cyclopropanecarbonylpiperidine-3-carboxylate. 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 C18H18N2O5?

C18H18N2O5 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.