CompoundList
Sign in
Molecular formula

C18H26FN3O4S

16 compounds have this formula on CompoundList.

Molar mass
399.48g/mol
Monoisotopic mass
399.1628Da
Atoms
53
Elements
6
Rings plus double bonds
7

The formula C18H26FN3O4S describes a molecule made of 18 carbon atoms, 26 hydrogen atoms, 1 fluorine atom, 3 nitrogen atoms, 4 oxygen atoms and 1 sulfur atom. 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 × 1854.12%
    12.011 × 18 = 216.198 g/mol
  • H Hydrogen × 266.56%
    1.008 × 26 = 26.208 g/mol
  • F Fluorine × 14.76%
    18.998 × 1 = 18.998 g/mol
  • N Nitrogen × 310.52%
    14.007 × 3 = 42.021 g/mol
  • O Oxygen × 416.02%
    15.999 × 4 = 63.996 g/mol
  • S Sulfur × 18.03%
    32.06 × 1 = 32.060 g/mol
Look up another formula

Compounds with the formula C18H26FN3O4S

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

Showing 1 to 16 of 16 compounds

(1R,2S,5R)-5-Methyl-2-(propan-2-yl)cyclohexyl 5-(4-amino-5-fluoro-2-oxopyrimidin-1(2H)-yl)-1,3-oxathiolane-2-carboxylate chemical structure, C18H26FN3O4S, CAS 764659-72-5
(1R,2S,5R)-5-Methyl-2-(propan-2-yl)cyclohexyl 5-(4-amino-5-fluoro-2-oxopyrimidin-1(2H)-yl)-1,3-oxathiolane-2-carboxylate
CAS 764659-72-5C18H26FN3O4S
5-(4-Amino-5-fluoro-2-oxo-1(2H)-pyrimidinyl)-1,3-oxathiolane-2-carboxylic acid 5-methyl-2-(1-methylethyl)cyclohexyl ester chemical structure, C18H26FN3O4S, CAS 147126-75-8
5-(4-Amino-5-fluoro-2-oxo-1(2H)-pyrimidinyl)-1,3-oxathiolane-2-carboxylic acid 5-methyl-2-(1-methylethyl)cyclohexyl ester
CAS 147126-75-8C18H26FN3O4S
(2S,5R)-(1R,2S,5R)-2-Isopropyl-5-methylcyclohexyl 5-(4-amino-5-fluoro-2-oxopyrimidin-1(2H)-yl)-1,3-oxathiolane-2-carboxylate chemical structure, C18H26FN3O4S
(2S,5R)-(1R,2S,5R)-2-Isopropyl-5-methylcyclohexyl 5-(4-amino-5-fluoro-2-oxopyrimidin-1(2H)-yl)-1,3-oxathiolane-2-carboxylate
C18H26FN3O4S
5-Fluoro ent-Lamivudine Acid D-Menthol Ester chemical structure, C18H26FN3O4S, CAS 764659-79-2
5-Fluoro ent-Lamivudine Acid D-Menthol Ester
CAS 764659-79-2C18H26FN3O4S
Ethyl 4-{4-[(4-fluorophenyl)sulfonyl]piperazinyl}piperidinecarboxylate chemical structure, C18H26FN3O4S, CAS 428840-01-1
Ethyl 4-{4-[(4-fluorophenyl)sulfonyl]piperazinyl}piperidinecarboxylate
CAS 428840-01-1C18H26FN3O4S
(5S)-(1R,2S,5R)-2-Isopropyl-5-methylcyclohexyl 5-(4-amino-5-fluoro-2-oxopyrimidin-1(2H)-yl)-1,3-oxathiolane-2-carboxylate chemical structure, C18H26FN3O4S
(5S)-(1R,2S,5R)-2-Isopropyl-5-methylcyclohexyl 5-(4-amino-5-fluoro-2-oxopyrimidin-1(2H)-yl)-1,3-oxathiolane-2-carboxylate
C18H26FN3O4S
N1-(2-(1-((4-fluorophenyl)sulfonyl)piperidin-2-yl)ethyl)-N2-propyloxalamide chemical structure, C18H26FN3O4S, CAS 898415-11-7
N1-(2-(1-((4-fluorophenyl)sulfonyl)piperidin-2-yl)ethyl)-N2-propyloxalamide
CAS 898415-11-7C18H26FN3O4S
N1-(2-(1-((4-fluorophenyl)sulfonyl)piperidin-2-yl)ethyl)-N2-isopropyloxalamide chemical structure, C18H26FN3O4S, CAS 898450-11-8
N1-(2-(1-((4-fluorophenyl)sulfonyl)piperidin-2-yl)ethyl)-N2-isopropyloxalamide
CAS 898450-11-8C18H26FN3O4S
N1-ethyl-N2-(2-(1-((4-fluoro-3-methylphenyl)sulfonyl)piperidin-2-yl)ethyl)oxalamide chemical structure, C18H26FN3O4S, CAS 898426-33-0
N1-ethyl-N2-(2-(1-((4-fluoro-3-methylphenyl)sulfonyl)piperidin-2-yl)ethyl)oxalamide
CAS 898426-33-0C18H26FN3O4S
Isomer-II of EMTRI-111 chemical structure, C18H26FN3O4S, CAS 1773498-61-5
Isomer-II of EMTRI-111
CAS 1773498-61-5C18H26FN3O4S
[(1S,2R,5S)-2-Isopropyl-5-methyl-cyclohexyl] 5-(4-amino-5-fluoro-2-oxo-pyrimidin-1-yl)-1,3-oxathiolane-2-carboxylate chemical structure, C18H26FN3O4S
[(1S,2R,5S)-2-Isopropyl-5-methyl-cyclohexyl] 5-(4-amino-5-fluoro-2-oxo-pyrimidin-1-yl)-1,3-oxathiolane-2-carboxylate
C18H26FN3O4S
(2S,5R)-(1S,2R,5S)-2-Isopropyl-5-methylcyclohexyl 5-(4-amino-5-fluoro-2-oxopyrimidin-1(2H)-yl)-1,3-oxathiolane-2-carboxylate chemical structure, C18H26FN3O4S
(2S,5R)-(1S,2R,5S)-2-Isopropyl-5-methylcyclohexyl 5-(4-amino-5-fluoro-2-oxopyrimidin-1(2H)-yl)-1,3-oxathiolane-2-carboxylate
C18H26FN3O4S
Emtricitabine impurity 18 chemical structure, C18H26FN3O4S, CAS 147027-01-8
Emtricitabine impurity 18
CAS 147027-01-8C18H26FN3O4S
[(1R,2S,5S)-5-Methyl-2-propan-2-ylcyclohexyl] (5R)-5-(4-amino-5-fluoro-2-oxopyrimidin-1-yl)-1,3-oxathiolane-2-carboxylate chemical structure, C18H26FN3O4S, CAS 1704050-76-9
[(1R,2S,5S)-5-Methyl-2-propan-2-ylcyclohexyl] (5R)-5-(4-amino-5-fluoro-2-oxopyrimidin-1-yl)-1,3-oxathiolane-2-carboxylate
CAS 1704050-76-9C18H26FN3O4S
[(1S,2R)-5-Methyl-2-propan-2-ylcyclohexyl] (2S,5S)-5-(4-amino-5-fluoro-2-oxopyrimidin-1-yl)-1,3-oxathiolane-2-carboxylate chemical structure, C18H26FN3O4S
[(1S,2R)-5-Methyl-2-propan-2-ylcyclohexyl] (2S,5S)-5-(4-amino-5-fluoro-2-oxopyrimidin-1-yl)-1,3-oxathiolane-2-carboxylate
C18H26FN3O4S
[(1R,2S,5R)-5-Methyl-2-propan-2-ylcyclohexyl] (5R)-5-(4-amino-5-fluoro-2-oxopyrimidin-1-yl)-1,3-oxathiolane-2-carboxylate chemical structure, C18H26FN3O4S
[(1R,2S,5R)-5-Methyl-2-propan-2-ylcyclohexyl] (5R)-5-(4-amino-5-fluoro-2-oxopyrimidin-1-yl)-1,3-oxathiolane-2-carboxylate
C18H26FN3O4S

Frequently asked questions

What is the molar mass of C18H26FN3O4S?

The molar mass of C18H26FN3O4S is 399.48 g/mol, calculated from standard atomic weights for 18 carbon atoms, 26 hydrogen atoms, 1 fluorine atom, 3 nitrogen atoms, 4 oxygen atoms and 1 sulfur atom. The monoisotopic mass is 399.1628 Da.

How many compounds have the formula C18H26FN3O4S?

CompoundList lists 16 compounds with the molecular formula C18H26FN3O4S, including (1R,2S,5R)-5-Methyl-2-(propan-2-yl)cyclohexyl 5-(4-amino-5-fluoro-2-oxopyrimidin-1(2H)-yl)-1,3-oxathiolane-2-carboxylate, 5-(4-Amino-5-fluoro-2-oxo-1(2H)-pyrimidinyl)-1,3-oxathiolane-2-carboxylic acid 5-methyl-2-(1-methylethyl)cyclohexyl ester, (2S,5R)-(1R,2S,5R)-2-Isopropyl-5-methylcyclohexyl 5-(4-amino-5-fluoro-2-oxopyrimidin-1(2H)-yl)-1,3-oxathiolane-2-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 C18H26FN3O4S?

C18H26FN3O4S has a degree of unsaturation of 7. 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.