C21H16N4O2S
45 compounds have this formula on CompoundList.
- Molar mass
- 388.44g/mol
- Monoisotopic mass
- 388.0994Da
- Atoms
- 44
- Elements
- 5
- Rings plus double bonds
- 16
The formula C21H16N4O2S describes a molecule made of 21 carbon atoms, 16 hydrogen atoms, 4 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 × 2164.93%12.011 × 21 = 252.231 g/mol
- H Hydrogen × 164.15%1.008 × 16 = 16.128 g/mol
- N Nitrogen × 414.42%14.007 × 4 = 56.028 g/mol
- O Oxygen × 28.24%15.999 × 2 = 31.998 g/mol
- S Sulfur × 18.25%32.06 × 1 = 32.060 g/mol
Compounds with the formula C21H16N4O2S
Isomers we list, best known first. Open one to see its structure, properties, safety data and suppliers.
Showing 1 to 45 of 45 compounds
![2-(6-Benzimidazolo[1,2-c]quinazolinylthio)-N-(2-furanylmethyl)acetamide chemical structure, C21H16N4O2S, CAS 688792-62-3](/s/HKWBEZOTINZVLA-UHFFFAOYSA-N.svg)
![3-Benzylsulfanyl-6-(furan-2-yl)-6,7-dihydro-[1,2,4]triazino[5,6-d][3,1]benzoxazepine chemical structure, C21H16N4O2S, CAS 353517-46-1](/s/HFHPROZOMGSVJC-UHFFFAOYSA-N.svg)
![3-Methyl-N-[[3-([1,3]oxazolo[4,5-b]pyridin-2-yl)phenyl]carbamothioyl]benzamide chemical structure, C21H16N4O2S, CAS 380872-54-8](/s/OCNINUNUILSGKF-UHFFFAOYSA-N.svg)
![2-Methyl-N-[[4-([1,3]oxazolo[4,5-b]pyridin-2-yl)phenyl]carbamothioyl]benzamide chemical structure, C21H16N4O2S, CAS 333740-68-4](/s/CFZOKPJHHFURIL-UHFFFAOYSA-N.svg)
![4-Methyl-N-[[3-([1,3]oxazolo[4,5-b]pyridin-2-yl)phenyl]carbamothioyl]benzamide chemical structure, C21H16N4O2S, CAS 6395-08-0](/s/NWPGVVYYINMMEX-UHFFFAOYSA-N.svg)
![(Z)-5-(1-Ethyl-2-oxoindolin-3-ylidene)-2-(m-tolyl)thiazolo[3,2-b][1,2,4]triazol-6(5H)-one chemical structure, C21H16N4O2S, CAS 618854-32-3](/s/QBIKWJPTPIQONZ-MSUUIHNZSA-N.svg)
![N-[[2-Methyl-5-([1,3]oxazolo[4,5-b]pyridin-2-yl)phenyl]carbamothioyl]benzamide chemical structure, C21H16N4O2S, CAS 347338-67-4](/s/GDQGTRSJNGHFST-UHFFFAOYSA-N.svg)
![2-Methyl-N-{[2-(pyridin-4-yl)-1,3-benzoxazol-5-yl]carbamothioyl}benzamide chemical structure, C21H16N4O2S, CAS 425665-13-0](/s/XCLUMHRMNZGVTC-UHFFFAOYSA-N.svg)
![N-[[3-([1,3]Oxazolo[4,5-b]pyridin-2-yl)phenyl]carbamothioyl]-2-phenylacetamide chemical structure, C21H16N4O2S, CAS 380307-70-0](/s/BSJHFFZNWIAHIV-UHFFFAOYSA-N.svg)
![N-(4-Acetylphenyl)-3-amino-6-(4-pyridinyl)thieno[2,3-b]pyridine-2-carboxamide chemical structure, C21H16N4O2S, CAS 496802-09-6](/s/IUEYUBBRCXDKCZ-UHFFFAOYSA-N.svg)
![N-[[2-Methyl-4-([1,3]oxazolo[4,5-b]pyridin-2-yl)phenyl]carbamothioyl]benzamide chemical structure, C21H16N4O2S, CAS 593238-90-5](/s/KGEFKARKZGFXPS-UHFFFAOYSA-N.svg)
![3-(3,4-Dimethoxyphenyl)-6-(2-naphthyl)[1,2,4]triazolo[3,4-b][1,3,4]thiadiazole chemical structure, C21H16N4O2S, CAS 923553-53-1](/s/UUSPFMRAONMQTN-UHFFFAOYSA-N.svg)
![3-(Furan-2-ylmethyl)-2-[(imidazo[1,2-a]pyridin-2-ylmethyl)sulfanyl]quinazolin-4(3H)-one chemical structure, C21H16N4O2S, CAS 832114-62-2](/s/QNECOXJNIWTWEN-UHFFFAOYSA-N.svg)
![5-[(5-Methyl-2-phenyl-1,3-oxazol-4-yl)methyl]-2-(thiophen-2-yl)-4H,5H-pyrazolo[1,5-a]pyrazin-4-one chemical structure, C21H16N4O2S, CAS 1358222-65-7](/s/KCCFZTBTVMFJPT-UHFFFAOYSA-N.svg)
![2-Methyl-N-{[2-(pyridin-3-yl)-1,3-benzoxazol-5-yl]carbamothioyl}benzamide chemical structure, C21H16N4O2S, CAS 425666-66-6](/s/AXRRQCDELANCNU-UHFFFAOYSA-N.svg)
![2-Phenyl-N-{[2-(pyridin-3-yl)-1,3-benzoxazol-5-yl]carbamothioyl}acetamide chemical structure, C21H16N4O2S, CAS 590395-09-8](/s/ONFQZHURNBAUFV-UHFFFAOYSA-N.svg)
- 3-Methyl-N-{[2-(pyridin-3-yl)-1,3-benzoxazol-5-yl]carbamothioyl}benzamide590394-57-3C21H16N4O2S
- (2E)-N-[(2E)-4-Methyl-5-(3-phenyl-1,2,4-oxadiazol-5-yl)-1,3-thiazol-2(3H)-ylidene]-3-phenylprop-2-enamide1144428-27-2C21H16N4O2S
- (Z)-N-(6-Ethoxy-3-(prop-2-yn-1-yl)benzo[d]thiazol-2(3H)-ylidene)quinoxaline-2-carboxamide1173566-69-2C21H16N4O2S
- 3-(1H-Indazol-5-yl)-5-[3-methoxy-4-(4-methylthiophen-3-yl)phenyl]-1,2,4-oxadiazole1229609-06-6C21H16N4O2S
- 6-(4-Methoxyphenyl)-3-[(1-naphthyloxy)methyl][1,2,4]triazolo[3,4-b][1,3,4]thiadiazole1447973-21-8C21H16N4O2S
- (E)-N-(2-((3-(Pyridin-4-yl)-1,2,4-oxadiazol-5-yl)methyl)phenyl)-3-(thiophen-2-yl)acrylamide1798403-66-3C21H16N4O2S
- (E)-3-(Furan-2-yl)-N-(4-(2-(pyridin-3-ylamino)thiazol-4-yl)phenyl)acrylamide1798401-55-4C21H16N4O2S
- N-([2,3'-Bipyridin]-5-ylmethyl)-4-(thiazol-2-yloxy)benzamide2034436-15-0C21H16N4O2S
- 5-(2-Phenyl-1,3-thiazole-4-carbonyl)-1,5,9-triazatricyclo[8.4.0.0^{3,8}]tetradeca-3(8),9,11,13-tetraen-2-one2034264-00-9C21H16N4O2S
- N-(2-(2,3-Dihydroimidazo[2,1-b]thiazol-6-yl)phenyl)-2-hydroxyquinoline-4-carboxamide2034289-59-1C21H16N4O2S
- 3-(Pyridin-2-yloxy)-N-((3-(thiophen-2-yl)pyrazin-2-yl)methyl)benzamide2034426-06-5C21H16N4O2S
- 4-Oxo-N-[2-(phenylthio)phenyl]-1,2,3-benzotriazine-3(4H)-acetamide1001635-36-4C21H16N4O2S
- Acetamide, 2-(2-benzoxazolylthio)-N-[4-(2-phenyldiazenyl)phenyl]-454689-99-7C21H16N4O2S
- 2-(1,3-Benzothiazol-2-yl)-N'-(phenylacetyl)pyridine-3-carbohydrazide880622-16-2C21H16N4O2S
- 6-(1H-Indol-4-yl)-1-(phenylsulfonyl)-1H-indazol-4-amine1198437-93-2C21H16N4O2S
- 2H-1,4-Benzothiazine-6-carboxamide, 3,4-dihydro-3-oxo-N-[4-(2-phenyldiazenyl)phenyl]-1390858-60-2C21H16N4O2S
- 8-Quinolinesulfonamide, N-[4-(2-phenyldiazenyl)phenyl]-574720-14-2C21H16N4O2S
- 4-Thiazoleacetamide, 2-(2-furanyl)-N-[4-(2-phenyldiazenyl)phenyl]-1015747-12-2C21H16N4O2S
- Benzamide,N-[6-[(benzoylamino)methyl]thiazolo[4,5-b]pyridin-2-yl]-1038388-03-2C21H16N4O2S
- Thieno[2,3-c]pyridine-2-carboxamide,4-[[4'-(aminocarbonyl)[1,1'-biphenyl]-4-yl]amino]-870238-63-4C21H16N4O2S
- Thieno[2,3-c]pyridine-2-carboxamide,7-amino-4-[3-(benzoylamino)phenyl]-870238-73-6C21H16N4O2S
Frequently asked questions
What is the molar mass of C21H16N4O2S?
The molar mass of C21H16N4O2S is 388.44 g/mol, calculated from standard atomic weights for 21 carbon atoms, 16 hydrogen atoms, 4 nitrogen atoms, 2 oxygen atoms and 1 sulfur atom. The monoisotopic mass is 388.0994 Da.
How many compounds have the formula C21H16N4O2S?
CompoundList lists 45 compounds with the molecular formula C21H16N4O2S, including 2-(6-Benzimidazolo[1,2-c]quinazolinylthio)-N-(2-furanylmethyl)acetamide, 3-Benzylsulfanyl-6-(furan-2-yl)-6,7-dihydro-[1,2,4]triazino[5,6-d][3,1]benzoxazepine, Phenyl(pyridin-4-yl)methyl 4-methyl-2-(pyrimidin-2-yl)-1,3-thiazole-5-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 C21H16N4O2S?
C21H16N4O2S 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.