Molecular formula

C₁₈H₁₃FN₂O₂S

25 compounds have this formula on CompoundList.

Molar mass: 340.37g/mol
Monoisotopic mass: 340.0682Da
Atoms: 37
Elements: 6
Rings plus double bonds: 13

The formula C18H13FN2O2S describes a molecule made of 18 carbon atoms, 13 hydrogen atoms, 1 fluorine atom, 2 nitrogen atoms, 2 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 × 1863.52%
12.011 × 18 = 216.198 g/mol
H Hydrogen × 133.85%
1.008 × 13 = 13.104 g/mol
F Fluorine × 15.58%
18.998 × 1 = 18.998 g/mol
N Nitrogen × 28.23%
14.007 × 2 = 28.014 g/mol
O Oxygen × 29.40%
15.999 × 2 = 31.998 g/mol
S Sulfur × 19.42%
32.06 × 1 = 32.060 g/mol

Look up another formula

Compounds with the formula C18H13FN2O2S

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

Showing 1 to 25 of 25 compounds

N-[3-[(4-Fluorobenzoyl)amino]phenyl]thiophene-2-carboxamide

CAS 431937-85-8C₁₈H₁₃FN₂O₂S

3-(1,3-Benzodioxol-5-yl)-6-[(3-fluorophenyl)methylsulfanyl]pyridazine

CAS 872695-35-7C₁₈H₁₃FN₂O₂S

5-(4-Fluorophenyl)-1-(2-furoyl)-3-(2-thienyl)-4,5-dihydro-1H-pyrazole

CAS 438482-49-6C₁₈H₁₃FN₂O₂S

N-(5-Acetyl-4-phenyl-1,3-thiazol-2-yl)-2-fluorobenzamide

CAS 328539-70-4C₁₈H₁₃FN₂O₂S

N-(5-Acetyl-4-phenyl-1,3-thiazol-2-yl)-4-fluorobenzamide

CAS 391221-32-2C₁₈H₁₃FN₂O₂S

3-(1,3-Benzodioxol-5-yl)-6-[(4-fluorophenyl)methylsulfanyl]pyridazine

CAS 872695-37-9C₁₈H₁₃FN₂O₂S

N-{3-[(2-Fluorobenzoyl)amino]phenyl}-2-thiophenecarboxamide

CAS 431931-82-7C₁₈H₁₃FN₂O₂S

2-(2-Fluorobenzamido)-5-phenylthiophene-3-carboxamide

CAS 924403-71-4C₁₈H₁₃FN₂O₂S

AN-465/15152047

CAS 6338-75-6C₁₈H₁₃FN₂O₂S

N-{4-[(4-Fluorobenzoyl)amino]phenyl}-2-thiophenecarboxamide

CAS 439136-38-6C₁₈H₁₃FN₂O₂S

1-(4-Fluorophenyl)-2-({5-[(E)-2-phenylethenyl]-1,3,4-oxadiazol-2-yl}sulfanyl)-1-ethanone

CAS 692287-92-6C₁₈H₁₃FN₂O₂S

(5-(4-Fluorophenyl)-3-(furan-2-yl)-4,5-dihydro-1H-pyrazol-1-yl)(thiophen-2-yl)methanone

CAS 897615-92-8C₁₈H₁₃FN₂O₂S

2-(2-Fluorophenyl)-9-methoxy-3H-chromeno[2,3-d]pyrimidine-4(5H)-thione

CAS 866807-93-4C₁₈H₁₃FN₂O₂S

2-Fluoro-N-(4-methoxy-3-prop-2-ynyl-1,3-benzothiazol-2-ylidene)benzamide

CAS 868674-55-9C₁₈H₁₃FN₂O₂S

N-[3-[(3-Fluorobenzoyl)amino]phenyl]thiophene-2-carboxamide

CAS 839688-22-1C₁₈H₁₃FN₂O₂S

4-Fluoro-N-(4-methoxy-3-prop-2-ynyl-1,3-benzothiazol-2-ylidene)benzamide

CAS 868376-98-1C₁₈H₁₃FN₂O₂S

3-Fluoro-N-(4-methoxy-3-prop-2-ynyl-1,3-benzothiazol-2-ylidene)benzamide

CAS 868377-01-9C₁₈H₁₃FN₂O₂S

N-(4-Fluoro-3-prop-2-ynyl-1,3-benzothiazol-2-ylidene)-2-methoxybenzamide

CAS 865249-00-9C₁₈H₁₃FN₂O₂S

(Z)-N-(6-Fluoro-3-(prop-2-yn-1-yl)benzo[d]thiazol-2(3H)-ylidene)-4-methoxybenzamide

CAS 941976-98-3C₁₈H₁₃FN₂O₂S

N-(6-Fluoro-3-prop-2-ynyl-1,3-benzothiazol-2-ylidene)-2-methoxybenzamide

CAS 865181-59-5C₁₈H₁₃FN₂O₂S

3-(Benzo[d][1,3]dioxol-5-yl)-6-((2-fluorobenzyl)thio)pyridazine

CAS 872695-36-8C₁₈H₁₃FN₂O₂S

2-(4-Fluorobenzamido)-5-phenylthiophene-3-carboxamide

CAS 941975-01-5C₁₈H₁₃FN₂O₂S

2-(3-Fluorobenzamido)-5-phenylthiophene-3-carboxamide

CAS 941993-82-4C₁₈H₁₃FN₂O₂S

1-(4-Fluorophenyl)-3-[(2-oxo-2-phenylethyl)sulfanyl]-1,2-dihydropyrazin-2-one

CAS 899976-35-3C₁₈H₁₃FN₂O₂S

1-(3-Fluorophenyl)-3-[(2-oxo-2-phenylethyl)sulfanyl]-1,2-dihydropyrazin-2-one
899949-58-7C₁₈H₁₃FN₂O₂S

Frequently asked questions

Still have a question?

The help centre explains buying, quotes and supplier badges step by step, or you can write to our team.

Help centre Contact us

What is the molar mass of C18H13FN2O2S?

The molar mass of C18H13FN2O2S is 340.37 g/mol, calculated from standard atomic weights for 18 carbon atoms, 13 hydrogen atoms, 1 fluorine atom, 2 nitrogen atoms, 2 oxygen atoms and 1 sulfur atom. The monoisotopic mass is 340.0682 Da.

How many compounds have the formula C18H13FN2O2S?

CompoundList lists 25 compounds with the molecular formula C18H13FN2O2S, including N-[3-[(4-Fluorobenzoyl)amino]phenyl]thiophene-2-carboxamide, 3-(1,3-Benzodioxol-5-yl)-6-[(3-fluorophenyl)methylsulfanyl]pyridazine, 5-(4-Fluorophenyl)-1-(2-furoyl)-3-(2-thienyl)-4,5-dihydro-1H-pyrazole. 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 C18H13FN2O2S?

C18H13FN2O2S has a degree of unsaturation of 13. 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.