C21H19NO2S
39 compounds have this formula on CompoundList.
- Molar mass
- 349.45g/mol
- Monoisotopic mass
- 349.1137Da
- Atoms
- 44
- Elements
- 5
- Rings plus double bonds
- 13
The formula C21H19NO2S describes a molecule made of 21 carbon atoms, 19 hydrogen atoms, 1 nitrogen atom, 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 × 2172.18%12.011 × 21 = 252.231 g/mol
- H Hydrogen × 195.48%1.008 × 19 = 19.152 g/mol
- N Nitrogen × 14.01%14.007 × 1 = 14.007 g/mol
- O Oxygen × 29.16%15.999 × 2 = 31.998 g/mol
- S Sulfur × 19.17%32.06 × 1 = 32.060 g/mol
Compounds with the formula C21H19NO2S
Isomers we list, best known first. Open one to see its structure, properties, safety data and suppliers.
Showing 1 to 39 of 39 compounds
![2-Methoxy-2-phenyl-N-[2-(phenylsulfanyl)phenyl]acetamide chemical structure, C21H19NO2S, CAS 701939-04-0](/s/OOIGNEUWRBMBOF-UHFFFAOYSA-N.svg)
![2-Phenoxy-N-[2-(phenylsulfanyl)phenyl]propanamide chemical structure, C21H19NO2S, CAS 827618-23-5](/s/FOJABVDCXMLNDC-UHFFFAOYSA-N.svg)
![4-Ethoxy-N-[2-(phenylsulfanyl)phenyl]benzamide chemical structure, C21H19NO2S, CAS 827617-27-6](/s/LKDPLAJQZATORY-UHFFFAOYSA-N.svg)
![3-Methoxy-N-[4-(4-methylphenyl)sulfanylphenyl]benzamide chemical structure, C21H19NO2S, CAS 339096-28-5](/s/BOTSUSFSHPGROW-UHFFFAOYSA-N.svg)
methanone chemical structure, C21H19NO2S, CAS 86673-60-1](/s/NLEDJYSFYRSVAC-UHFFFAOYSA-N.svg)
![6-Methyl-5-[(4-methylphenyl)sulfonyl]-5,6-dihydrophenanthridine chemical structure, C21H19NO2S, CAS 19711-96-7](/s/HPUMDCYETOPMQB-UHFFFAOYSA-N.svg)
![2-Methoxy-N-{4-[(phenylsulfanyl)methyl]phenyl}benzamide chemical structure, C21H19NO2S, CAS 694485-35-3](/s/SIYYOUZVSQPQPR-UHFFFAOYSA-N.svg)
- (E)-N-(4-Methoxybenzyl)-2-phenyl-3-(2-thienyl)-2-propenamide478078-48-7C21H19NO2S
- RefChem:38870817879-99-1C21H19NO2S
- 4-Methyl-N-[2-(1-phenylethenyl)phenyl]benzene-1-sulfonamide133363-64-1C21H19NO2S
- N-[(1-Hydroxy-2,3-dihydro-1H-inden-1-yl)methyl]-4-(thiophen-3-yl)benzamide2034415-39-7C21H19NO2S
- Methyl 4-amino-3-[phenyl(phenylsulfanyl)methyl]benzoate42901-03-1C21H19NO2S
- N-Benzyl-N,2-diphenylethene-1-sulfonamide1181478-54-5C21H19NO2S
- 4-Methyl-N-[2-(2-phenylethenyl)phenyl]benzene-1-sulfonamide881030-76-8C21H19NO2S
- 1-(1-Benzothiophene-2-carbonyl)-3-(2,3-dihydro-1-benzofuran-5-yl)pyrrolidine2097912-05-3C21H19NO2S
- N-(2-Benzylphenyl)-2-phenylethene-1-sulfonamide554426-74-3C21H19NO2S
- N-(3-Hydroxyphenyl)-4-((p-tolylthio)methyl)benzamide2061826-21-7C21H19NO2S
- (E)-4-Methyl-N-(2-styrylphenyl)benzenesulfonamide298195-93-4C21H19NO2S
- (4-Morpholinophenyl)(5-phenylthiophen-3-yl)methanone1809797-52-1C21H19NO2S
- 1'-(1-Benzothien-2-ylcarbonyl)-3H-spiro[2-benzofuran-1,4'-piperidine]1036405-81-8C21H19NO2S
- 5-Acetyl-3-(benzylsulfanyl)-4-methyl-1-phenylpyridin-2(1H)-one918543-22-3C21H19NO2S
- N-[Bis(4-methylphenyl)methylidene]benzenesulfonamide58429-05-3C21H19NO2S
Frequently asked questions
What is the molar mass of C21H19NO2S?
The molar mass of C21H19NO2S is 349.45 g/mol, calculated from standard atomic weights for 21 carbon atoms, 19 hydrogen atoms, 1 nitrogen atom, 2 oxygen atoms and 1 sulfur atom. The monoisotopic mass is 349.1137 Da.
How many compounds have the formula C21H19NO2S?
CompoundList lists 39 compounds with the molecular formula C21H19NO2S, including N-(2-Methoxyphenyl)-2-phenyl-2-(phenylthio)acetamide, N-(2-Fluorenyl)-N-methyl-P-toluenesulfonamide, N-(2-Ethoxyphenyl)-3-(4-phenyl-2-thienyl)-2-propenamide. 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 C21H19NO2S?
C21H19NO2S 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.