Molecular formula
C21H18FN3O2S
52 compounds have this formula on CompoundList.
- Molar mass
- 395.45g/mol
- Monoisotopic mass
- 395.1104Da
- Atoms
- 46
- Elements
- 6
- Rings plus double bonds
- 14
The formula C21H18FN3O2S describes a molecule made of 21 carbon atoms, 18 hydrogen atoms, 1 fluorine atom, 3 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 × 2163.78%12.011 × 21 = 252.231 g/mol
- H Hydrogen × 184.59%1.008 × 18 = 18.144 g/mol
- F Fluorine × 14.80%18.998 × 1 = 18.998 g/mol
- N Nitrogen × 310.63%14.007 × 3 = 42.021 g/mol
- O Oxygen × 28.09%15.999 × 2 = 31.998 g/mol
- S Sulfur × 18.11%32.06 × 1 = 32.060 g/mol
Look up another formula
Compounds with the formula C21H18FN3O2S
Isomers we list, best known first. Open one to see its structure, properties, safety data and suppliers.
Showing 1 to 52 of 52 compounds
![(5E)-2-(4-Butoxyphenyl)-5-(3-fluorobenzylidene)[1,3]thiazolo[3,2-B][1,2,4]triazol-6(5H)-one chemical structure, C21H18FN3O2S, CAS 606955-45-7](/s/ZRCUJWQDHSIQEY-QGOAFFKASA-N.svg)
(5E)-2-(4-Butoxyphenyl)-5-(3-fluorobenzylidene)[1,3]thiazolo[3,2-B][1,2,4]triazol-6(5H)-one
CAS 606955-45-7C21H18FN3O2S
(5E)-2-(4-Butoxyphenyl)-5-(4-fluorobenzylidene)(1,3)thiazolo(3,2-B)(1,2,4)triazol-6(5H)-one
CAS 618076-68-9C21H18FN3O2S
2-((1-(4-Fluorobenzyl)-1H-indol-3-yl)thio)-N-(5-methylisoxazol-3-yl)acetamide
CAS 497064-10-5C21H18FN3O2S
![6-(4-Fluorophenyl)-N-(2-methoxy-5-methylphenyl)-3-methylimidazo[2,1-b][1,3]thiazole-2-carboxamide chemical structure, C21H18FN3O2S, CAS 932996-03-7](/s/IUGXHFHTBYRTGQ-UHFFFAOYSA-N.svg)
6-(4-Fluorophenyl)-N-(2-methoxy-5-methylphenyl)-3-methylimidazo[2,1-b][1,3]thiazole-2-carboxamide
CAS 932996-03-7C21H18FN3O2S
![N-(3,4-Dimethylphenyl)-2-(9-fluoro-2-methyl-4-oxo[1]benzothieno[3,2-d]pyrimidin-3(4H)-yl)acetamide chemical structure, C21H18FN3O2S, CAS 1040682-57-2](/s/ZZRJUCAGPAVMKB-UHFFFAOYSA-N.svg)
N-(3,4-Dimethylphenyl)-2-(9-fluoro-2-methyl-4-oxo[1]benzothieno[3,2-d]pyrimidin-3(4H)-yl)acetamide
CAS 1040682-57-2C21H18FN3O2S
![2-(9-Fluoro-2-methyl-4-oxo[1]benzothieno[3,2-d]pyrimidin-3(4H)-yl)-N-(4-methylbenzyl)acetamide chemical structure, C21H18FN3O2S, CAS 1040683-18-8](/s/KFHCXTWOBHBXLN-UHFFFAOYSA-N.svg)
2-(9-Fluoro-2-methyl-4-oxo[1]benzothieno[3,2-d]pyrimidin-3(4H)-yl)-N-(4-methylbenzyl)acetamide
CAS 1040683-18-8C21H18FN3O2S
![N-(3-Ethylphenyl)-2-(9-fluoro-2-methyl-4-oxo[1]benzothieno[3,2-d]pyrimidin-3(4H)-yl)acetamide chemical structure, C21H18FN3O2S, CAS 1040679-04-6](/s/FVEDRPYZBCJSPG-UHFFFAOYSA-N.svg)
N-(3-Ethylphenyl)-2-(9-fluoro-2-methyl-4-oxo[1]benzothieno[3,2-d]pyrimidin-3(4H)-yl)acetamide
CAS 1040679-04-6C21H18FN3O2S
![2-(9-Fluoro-4-oxo[1]benzothieno[3,2-d]pyrimidin-3(4H)-yl)-N-mesitylacetamide chemical structure, C21H18FN3O2S, CAS 1021257-20-4](/s/FKWYZDCKIQPLCM-UHFFFAOYSA-N.svg)
2-(9-Fluoro-4-oxo[1]benzothieno[3,2-d]pyrimidin-3(4H)-yl)-N-mesitylacetamide
CAS 1021257-20-4C21H18FN3O2S
2-((4-Fluorobenzyl)thio)-6-(2-(indolin-1-yl)-2-oxoethyl)pyrimidin-4(3H)-one
CAS 1105236-36-9C21H18FN3O2S
![N-{[(4-Fluorophenyl)carbamothioyl]amino}-2-hydroxy-2,2-diphenylacetamide chemical structure, C21H18FN3O2S, CAS 217462-18-5](/s/HSKVRPZJBMXFDX-UHFFFAOYSA-N.svg)
N-{[(4-Fluorophenyl)carbamothioyl]amino}-2-hydroxy-2,2-diphenylacetamide
CAS 217462-18-5C21H18FN3O2S
![6-(4-Fluorophenyl)-N-(2-methoxyphenethyl)imidazo[2,1-b]thiazole-3-carboxamide chemical structure, C21H18FN3O2S, CAS 1049346-16-8](/s/DZTXTUVSIFHHLD-UHFFFAOYSA-N.svg)
6-(4-Fluorophenyl)-N-(2-methoxyphenethyl)imidazo[2,1-b]thiazole-3-carboxamide
CAS 1049346-16-8C21H18FN3O2S
![2-(6-(4-Ethoxyphenyl)imidazo[2,1-b]thiazol-3-yl)-N-(3-fluorophenyl)acetamide chemical structure, C21H18FN3O2S, CAS 897462-19-0](/s/IWVBIDBBJPUPFW-UHFFFAOYSA-N.svg)
2-(6-(4-Ethoxyphenyl)imidazo[2,1-b]thiazol-3-yl)-N-(3-fluorophenyl)acetamide
CAS 897462-19-0C21H18FN3O2S
![2-[[5-Cyano-4-(2-fluorophenyl)-2-oxo-3,4-dihydro-1H-pyridin-6-yl]sulfanyl]-N-(2-methylphenyl)acetamide chemical structure, C21H18FN3O2S, CAS 496773-67-2](/s/PSWDZFHPTVTIKU-UHFFFAOYSA-N.svg)
2-[[5-Cyano-4-(2-fluorophenyl)-2-oxo-3,4-dihydro-1H-pyridin-6-yl]sulfanyl]-N-(2-methylphenyl)acetamide
CAS 496773-67-2C21H18FN3O2S
![N-Benzyl-2-{[3-cyano-4-(2-fluorophenyl)-6-oxo-1,4,5,6-tetrahydropyridin-2-yl]sulfanyl}acetamide chemical structure, C21H18FN3O2S, CAS 488716-47-8](/s/FAYNJIXUQKFUCS-UHFFFAOYSA-N.svg)
N-Benzyl-2-{[3-cyano-4-(2-fluorophenyl)-6-oxo-1,4,5,6-tetrahydropyridin-2-yl]sulfanyl}acetamide
CAS 488716-47-8C21H18FN3O2S
![2-{[3-Cyano-4-(4-fluorophenyl)-6-oxo-1,4,5,6-tetrahydropyridin-2-yl]sulfanyl}-N-(4-methylphenyl)acetamide chemical structure, C21H18FN3O2S, CAS 370847-86-2](/s/KANAEYHUGDIZTC-UHFFFAOYSA-N.svg)
2-{[3-Cyano-4-(4-fluorophenyl)-6-oxo-1,4,5,6-tetrahydropyridin-2-yl]sulfanyl}-N-(4-methylphenyl)acetamide
CAS 370847-86-2C21H18FN3O2S
2-((3-Cyano-6-oxo-4-(p-tolyl)-1,4,5,6-tetrahydropyridin-2-yl)thio)-N-(4-fluorophenyl)acetamide
CAS 384357-05-5C21H18FN3O2S
(E)-2-Cyano-2-(3-(4-fluorophenyl)-5-methyl-4-oxothiazolidin-2-ylidene)-N-phenethylacetamide
CAS 877806-15-0C21H18FN3O2S
![2-[[5-Cyano-4-(2-methylphenyl)-2-oxo-3,4-dihydro-1H-pyridin-6-yl]sulfanyl]-N-(3-fluorophenyl)acetamide chemical structure, C21H18FN3O2S, CAS 663217-79-6](/s/XHKMJNLLZLXDQA-UHFFFAOYSA-N.svg)
2-[[5-Cyano-4-(2-methylphenyl)-2-oxo-3,4-dihydro-1H-pyridin-6-yl]sulfanyl]-N-(3-fluorophenyl)acetamide
CAS 663217-79-6C21H18FN3O2S
![1-(4-Fluorophenyl)-3-[(4,6,7-trimethyl-2-quinazolinyl)sulfanyl]-2,5-pyrrolidinedione chemical structure, C21H18FN3O2S, CAS 579440-19-0](/s/UVCQKYDHQVPECA-UHFFFAOYSA-N.svg)
1-(4-Fluorophenyl)-3-[(4,6,7-trimethyl-2-quinazolinyl)sulfanyl]-2,5-pyrrolidinedione
CAS 579440-19-0C21H18FN3O2S
2-((1-(3-Fluorobenzyl)-1H-indol-3-yl)thio)-N-(5-methylisoxazol-3-yl)acetamide
CAS 450347-28-1C21H18FN3O2S
![2-{[3-Cyano-4-(4-fluorophenyl)-6-oxo-1,4,5,6-tetrahydropyridin-2-yl]sulfanyl}-N-(3-methylphenyl)acetamide chemical structure, C21H18FN3O2S, CAS 877818-51-4](/s/KGFKKYYYAGLJKQ-UHFFFAOYSA-N.svg)
2-{[3-Cyano-4-(4-fluorophenyl)-6-oxo-1,4,5,6-tetrahydropyridin-2-yl]sulfanyl}-N-(3-methylphenyl)acetamide
CAS 877818-51-4C21H18FN3O2S
(E)-2-(4-(3,4-Dimethoxyphenyl)thiazol-2-yl)-3-((3-fluoro-4-methylphenyl)amino)acrylonitrile
CAS 333414-69-0C21H18FN3O2S
N-(4-(2-((4-Fluorobenzyl)amino)-2-oxoethyl)thiazol-2-yl)cinnamamide
CAS 1005953-05-8C21H18FN3O2S
4-Fluoro-N-(4-(3-(indolin-1-yl)-3-oxopropyl)thiazol-2-yl)benzamide
CAS 1021255-68-4C21H18FN3O2S
- 3-(4-Fluorophenyl)-N-(furan-2-ylmethyl)-1-methyl-N-(thiophen-3-ylmethyl)-1H-pyrazole-5-carboxamide1396863-26-5C21H18FN3O2S
- 2-((2-Fluorobenzyl)thio)-6-(2-(indolin-1-yl)-2-oxoethyl)pyrimidin-4(3H)-one1172425-72-7C21H18FN3O2S
- 6-(4-Fluorophenyl)-N-[(2-methoxyphenyl)methyl]-3-methylimidazo[2,1-b][1,3]thiazole-2-carboxamide946359-17-7C21H18FN3O2S
- N-(4-Acetylphenyl)-2-{[2-(4-fluorophenyl)-6-methylpyrimidin-4-yl]sulfanyl}acetamide1251597-72-4C21H18FN3O2S
- N-((1-(Benzo[d]oxazol-2-yl)pyrrolidin-2-yl)methyl)-5-fluorobenzo[b]thiophene-2-carboxamide1798484-51-1C21H18FN3O2S
- Tuberculosis inhibitor 7121041-20-1C21H18FN3O2S
- 6-(4-Fluorophenyl)-N-[(4-methoxyphenyl)methyl]-3-methylimidazo[2,1-b][1,3]thiazole-2-carboxamide852134-13-5C21H18FN3O2S
- 2-(2-Ethyl-9-fluoro-4-oxo[1]benzothieno[3,2-d]pyrimidin-3(4H)-yl)-N-(4-methylphenyl)acetamide1040683-71-3C21H18FN3O2S
- N-(3,5-Dimethylphenyl)-2-(9-fluoro-2-methyl-4-oxo[1]benzothieno[3,2-d]pyrimidin-3(4H)-yl)acetamide1040678-67-8C21H18FN3O2S
- 2-(9-Fluoro-4-oxo[1]benzothieno[3,2-d]pyrimidin-3(4H)-yl)-N-(4-isopropylphenyl)acetamide1021256-96-1C21H18FN3O2S
- 1-(4-Fluorophenyl)-3-[1-(thiophene-2-carbonyl)-1,2,3,4-tetrahydroquinolin-6-yl]urea1203198-28-0C21H18FN3O2S
- 2-(6-(4-Ethoxyphenyl)imidazo[2,1-b]thiazol-3-yl)-N-(2-fluorophenyl)acetamide897461-70-0C21H18FN3O2S
- 1-(3-Fluorophenyl)-N-(2-(2-methylthiazol-4-yl)phenyl)-5-oxopyrrolidine-3-carboxamide1798046-34-0C21H18FN3O2S
- 2-{[(2-Fluorophenyl)carbonyl]amino}-N-(pyridin-3-ylmethyl)-5,6-dihydro-4H-cyclopenta[b]thiophene-3-carboxamide882246-00-6C21H18FN3O2S
- N-Benzyl-2-cyano-2-[5-ethyl-3-(4-fluorophenyl)-4-oxo-1,3-thiazolidin-2-ylidene]acetamide862487-85-2C21H18FN3O2S
- (5Z)-5-(2-Butoxybenzylidene)-2-(4-fluorophenyl)[1,3]thiazolo[3,2-b][1,2,4]triazol-6(5H)-one586994-56-1C21H18FN3O2S
- 6-(4-Fluorophenyl)-N-[2-(2-methoxyphenoxy)ethyl]thieno[3,2-d]pyrimidin-4-amine879332-84-0C21H18FN3O2S
- N-(3-Fluorophenyl)-2-(4-methylbenzamido)-5,6-dihydro-4H-cyclopenta[d]thiazole-4-carboxamide941926-56-3C21H18FN3O2S
- 6-(4-Fluorophenyl)-N-[(3-methoxyphenyl)methyl]-3-methylimidazo[2,1-b][1,3]thiazole-2-carboxamide946359-20-2C21H18FN3O2S
- N-(4-Fluorophenyl)-3-(6-(4-methoxyphenyl)imidazo[2,1-b]thiazol-3-yl)propanamide1040644-80-1C21H18FN3O2S
- N-(3-Acetylphenyl)-2-(4-fluorophenyl)-4-methyl-6-(methylsulfanyl)pyrimidine-5-carboxamide1147737-19-6C21H18FN3O2S
- 6-Fluoro-3-(3-(4-(methylthio)phenyl)-1,2,4-oxadiazol-5-yl)-1-propylquinolin-4(1H)-one1251705-71-1C21H18FN3O2S
- 3-(4-Fluorophenyl)-N-{2-[5-(furan-3-yl)thiophen-2-yl]ethyl}-1-methyl-1H-pyrazole-5-carboxamide2034498-29-6C21H18FN3O2S
- N-(2-Ethoxyphenyl)-6-(4-fluorophenyl)-3-methylimidazo[2,1-b]thiazole-2-carboxamide946307-54-6C21H18FN3O2S
- 2-(6-(4-Ethoxyphenyl)imidazo[2,1-b]thiazol-3-yl)-N-(4-fluorophenyl)acetamide897461-72-2C21H18FN3O2S
- 2-(2,4-Dimethylphenyl)-N-[4-fluoro-3-(prop-2-enamido)phenyl]-1,3-thiazole-4-carboxamide1808451-76-4C21H18FN3O2S
- 3-(4-Fluorophenyl)-N-[2-(furan-2-yl)-2-(thiophen-3-yl)ethyl]-1-methyl-1H-pyrazole-5-carboxamide2097932-51-7C21H18FN3O2S
- 3-(4-Fluorophenyl)-N-[2-(furan-2-yl)-2-(thiophen-2-yl)ethyl]-1-methyl-1H-pyrazole-5-carboxamide2097894-77-2C21H18FN3O2S
Frequently asked questions
What is the molar mass of C21H18FN3O2S?
The molar mass of C21H18FN3O2S is 395.45 g/mol, calculated from standard atomic weights for 21 carbon atoms, 18 hydrogen atoms, 1 fluorine atom, 3 nitrogen atoms, 2 oxygen atoms and 1 sulfur atom. The monoisotopic mass is 395.1104 Da.
How many compounds have the formula C21H18FN3O2S?
CompoundList lists 52 compounds with the molecular formula C21H18FN3O2S, including (5E)-2-(4-Butoxyphenyl)-5-(3-fluorobenzylidene)[1,3]thiazolo[3,2-B][1,2,4]triazol-6(5H)-one, (5E)-2-(4-Butoxyphenyl)-5-(4-fluorobenzylidene)(1,3)thiazolo(3,2-B)(1,2,4)triazol-6(5H)-one, 2-((1-(4-Fluorobenzyl)-1H-indol-3-yl)thio)-N-(5-methylisoxazol-3-yl)acetamide. 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 C21H18FN3O2S?
C21H18FN3O2S has a degree of unsaturation of 14. 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.