C21H15N3O2S
34 compounds have this formula on CompoundList.
- Molar mass
- 373.43g/mol
- Monoisotopic mass
- 373.0885Da
- Atoms
- 42
- Elements
- 5
- Rings plus double bonds
- 16
The formula C21H15N3O2S describes a molecule made of 21 carbon atoms, 15 hydrogen atoms, 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 × 2167.54%12.011 × 21 = 252.231 g/mol
- H Hydrogen × 154.05%1.008 × 15 = 15.120 g/mol
- N Nitrogen × 311.25%14.007 × 3 = 42.021 g/mol
- O Oxygen × 28.57%15.999 × 2 = 31.998 g/mol
- S Sulfur × 18.59%32.06 × 1 = 32.060 g/mol
Compounds with the formula C21H15N3O2S
Isomers we list, best known first. Open one to see its structure, properties, safety data and suppliers.
Showing 1 to 34 of 34 compounds
![(5Z)-5-(2H-Chromen-3-ylmethylene)-2-(3-methylphenyl)[1,3]thiazolo[3,2-b][1,2,4]triazol-6(5H)-one chemical structure, C21H15N3O2S, CAS 578748-21-7](/s/IVQCJLASKGQMKH-WQRHYEAKSA-N.svg)
![N-[[3-(1,3-Benzoxazol-2-yl)phenyl]carbamothioyl]benzamide chemical structure, C21H15N3O2S, CAS 425648-78-8](/s/IZZPHOXBZKZTCS-UHFFFAOYSA-N.svg)
![2-[(4-Nitrophenyl)methylsulfanyl]-4-phenylquinazoline chemical structure, C21H15N3O2S, CAS 377058-81-6](/s/JDYYGQKVQQNHPC-UHFFFAOYSA-N.svg)
![3-{(E)-[2-(1,3-Benzothiazol-2-yl)hydrazinylidene]methyl}phenyl benzoate chemical structure, C21H15N3O2S, CAS 331677-12-4](/s/VTDMHBLVQXZPDB-HYARGMPZSA-N.svg)
![3-{[3-(3-Methylphenyl)-2,4-dioxo-3,4-dihydrothieno[3,2-d]pyrimidin-1(2H)-yl]methyl}benzonitrile chemical structure, C21H15N3O2S, CAS 1326905-67-2](/s/VZVWTPLOYFCZMS-UHFFFAOYSA-N.svg)
![(5Z)-5-(2H-Chromen-3-ylmethylene)-2-(2-methylphenyl)[1,3]thiazolo[3,2-b][1,2,4]triazol-6(5H)-one chemical structure, C21H15N3O2S, CAS 577988-55-7](/s/IXBLGQCAQGVOEZ-WQRHYEAKSA-N.svg)
- 5H-Benzo(g)-1,3,4-thiadiazolo(2,3-b)quinazolin-5-one, 2-(2-ethoxyphenyl)-82828-65-7C21H15N3O2S
- 1,2-Diphenyl-2-{[5-(pyridin-3-yl)-1,3,4-oxadiazol-2-yl]sulfanyl}ethanone948230-84-0C21H15N3O2S
- 2-(2-Hydroxyphenyl)-N'-[(E)-thiophen-3-ylmethylidene]quinoline-4-carbohydrazide588675-23-4C21H15N3O2S
- 4-(2-Nitrophenyl)sulfanyl-3,5-diphenyl-1H-pyrazole5669-86-3C21H15N3O2S
- 4-(6-Methyl-1,3-benzothiazol-2-yl)-N-[(E)-(2-nitrophenyl)methylidene]aniline5317-77-1C21H15N3O2S
- 7-(Furan-2-yl)-2-methyl-5-[(naphthalen-1-yl)methyl]-4H,5H-[1,3]thiazolo[4,5-d]pyridazin-4-one946265-62-9C21H15N3O2S
- (2E,4E)-4-Methyl-2-(4-(3-nitrophenyl)thiazol-2-yl)-5-phenylpenta-2,4-dienenitrile1021262-36-1C21H15N3O2S
- 2-((1,1-Dioxido-4-phenyl-2H-benzo[e][1,2,3]thiadiazin-2-yl)methyl)benzonitrile1428359-09-4C21H15N3O2S
- 3-(8,9,10,11-Tetrahydro[1]benzothieno[3,2-e]imidazo[1,2-c]pyrimidin-2-yl)-2H-chromen-2-one1923120-04-0C21H15N3O2S
- N-(3-Acetylphenyl)-2-(1,3-benzothiazol-2-yl)pyridine-3-carboxamide880619-29-4C21H15N3O2S
Frequently asked questions
What is the molar mass of C21H15N3O2S?
The molar mass of C21H15N3O2S is 373.43 g/mol, calculated from standard atomic weights for 21 carbon atoms, 15 hydrogen atoms, 3 nitrogen atoms, 2 oxygen atoms and 1 sulfur atom. The monoisotopic mass is 373.0885 Da.
How many compounds have the formula C21H15N3O2S?
CompoundList lists 34 compounds with the molecular formula C21H15N3O2S, including Phenyl 4-phenyl-2-(3-pyridinyl)-5-pyrimidinyl sulfone, 4-Phenoxy-N-(4-(pyridin-2-yl)thiazol-2-yl)benzamide, (5Z)-5-(2H-Chromen-3-ylmethylene)-2-(3-methylphenyl)[1,3]thiazolo[3,2-b][1,2,4]triazol-6(5H)-one. 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 C21H15N3O2S?
C21H15N3O2S has a degree of unsaturation of 16. 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.