C21H16N4OS
35 compounds have this formula on CompoundList.
- Molar mass
- 372.45g/mol
- Monoisotopic mass
- 372.1045Da
- Atoms
- 43
- Elements
- 5
- Rings plus double bonds
- 16
The formula C21H16N4OS describes a molecule made of 21 carbon atoms, 16 hydrogen atoms, 4 nitrogen atoms, 1 oxygen atom 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 × 2167.72%12.011 × 21 = 252.231 g/mol
- H Hydrogen × 164.33%1.008 × 16 = 16.128 g/mol
- N Nitrogen × 415.04%14.007 × 4 = 56.028 g/mol
- O Oxygen × 14.30%15.999 × 1 = 15.999 g/mol
- S Sulfur × 18.61%32.06 × 1 = 32.060 g/mol
Compounds with the formula C21H16N4OS
Isomers we list, best known first. Open one to see its structure, properties, safety data and suppliers.
Showing 1 to 35 of 35 compounds
![N-[3-(2,3-Dihydroimidazo[2,1-b][1,3]thiazol-6-yl)phenyl]quinoline-2-carboxamide chemical structure, C21H16N4OS, CAS 872630-13-2](/s/AUHJOFPTQZZOEW-UHFFFAOYSA-N.svg)
![1-Amino-3-(4-ethoxyphenyl)-3H-pyrido[2,1-b][1,3]benzothiazole-2,4-dicarbonitrile chemical structure, C21H16N4OS, CAS 328068-46-8](/s/DPKNFUGYUNCRJD-UHFFFAOYSA-N.svg)
![(2E)-2-[(2,5-Dimethyl-1-pyridin-2-ylpyrrol-3-yl)methylidene]-[1,3]thiazolo[3,2-a]benzimidazol-1-one chemical structure, C21H16N4OS, CAS 444180-85-2](/s/GJBWPMBFDLDCDX-LDADJPATSA-N.svg)
![2-((4-Oxo-7-phenyl-3-(m-tolyl)-4,5-dihydro-3H-pyrrolo[3,2-d]pyrimidin-2-yl)thio)acetonitrile chemical structure, C21H16N4OS, CAS 1040677-08-4](/s/FXQPSIBQTNZCGP-UHFFFAOYSA-N.svg)
![2-({3-Benzyl-4-oxo-7-phenyl-3H,4H,5H-pyrrolo[3,2-d]pyrimidin-2-yl}sulfanyl)acetonitrile chemical structure, C21H16N4OS, CAS 1040677-23-3](/s/KFODGYILCHFMHY-UHFFFAOYSA-N.svg)
![1-([1,1'-Biphenyl]-4-yl)-2-((1-phenyl-1H-tetrazol-5-yl)thio)ethanone chemical structure, C21H16N4OS, CAS 5930-17-6](/s/FKUGUTWRIYZHJG-UHFFFAOYSA-N.svg)
![(3-(Benzo[d]thiazol-2-yl)pyrazin-2-yl)(3,4-dihydroisoquinolin-2(1H)-yl)methanone chemical structure, C21H16N4OS, CAS 873856-89-4](/s/QGOITNWERTTYEV-UHFFFAOYSA-N.svg)
![2-{3-[4-Methyl-2-(2-pyridinyl)-1,3-thiazol-5-yl]-3-oxo-1-phenylpropyl}malononitrile chemical structure, C21H16N4OS, CAS 477847-84-0](/s/ZPNFWAMHAJIWAR-UHFFFAOYSA-N.svg)
![N-(3-(Imidazo[2,1-b]thiazol-6-yl)phenyl)-2-(1H-indol-1-yl)acetamide chemical structure, C21H16N4OS, CAS 1207035-56-0](/s/ZPFCOQYCERFYPP-UHFFFAOYSA-N.svg)
![3-Methylsulfanyl-6-naphthalen-2-yl-6,7-dihydro-[1,2,4]triazino[5,6-d][3,1]benzoxazepine chemical structure, C21H16N4OS, CAS 313955-89-4](/s/ONYYHRMGGMZCIF-UHFFFAOYSA-N.svg)
![2-(8,9,10,11-Tetrahydro[1]benzothieno[3,2-e][1,2,4]triazolo[1,5-c]pyrimidin-2-yl)-1-naphthol chemical structure, C21H16N4OS, CAS 333775-24-9](/s/OBEDRCNNSKJUGW-UHFFFAOYSA-N.svg)
![3-(8,9,10,11-Tetrahydro[1]benzothieno[3,2-e][1,2,4]triazolo[1,5-c]pyrimidin-2-yl)naphthalen-2-ol chemical structure, C21H16N4OS, CAS 327102-19-2](/s/ZGXJZVQZFJPZSL-UHFFFAOYSA-N.svg)
![(2Z)-2-{[2,5-Dimethyl-1-(pyridin-2-yl)-1H-pyrrol-3-yl]methylidene}[1,3]thiazolo[3,2-a]benzimidazol-3(2H)-one chemical structure, C21H16N4OS](/s/GJBWPMBFDLDCDX-PDGQHHTCSA-N.svg)
![1-Phenyl-2-[6-(4-pyrazol-1-ylphenyl)pyridazin-3-yl]sulfanylethanone chemical structure, C21H16N4OS, CAS 1004439-86-4](/s/YIFNTAPCZIFFRP-UHFFFAOYSA-N.svg)
![(2Z)-2-[(2,5-Dimethyl-1-pyridin-4-ylpyrrol-3-yl)methylidene]-[1,3]thiazolo[3,2-a]benzimidazol-1-one chemical structure, C21H16N4OS, CAS 430471-66-2](/s/ZAIYJOXKHRMYMI-UNOMPAQXSA-N.svg)
![N-(Prop-2-en-1-yl)-N-[5-(pyridin-4-yl)-1,3,4-thiadiazol-2-yl]naphthalene-1-carboxamide chemical structure, C21H16N4OS, CAS 489399-73-7](/s/HYJLFVLHVBFDOH-UHFFFAOYSA-N.svg)
- 3-(2-Methoxyphenyl)-6-(naphthalen-1-ylmethyl)-[1,2,4]triazolo[3,4-b][1,3,4]thiadiazole825605-82-1C21H16N4OS
- Axitinib amide319462-41-4C21H16N4OS
- 2-((4-Oxo-7-phenyl-3-(p-tolyl)-4,5-dihydro-3H-pyrrolo[3,2-d]pyrimidin-2-yl)thio)acetonitrile1040647-13-9C21H16N4OS
- N-(5-Cyclopropyl-1,3,4-thiadiazol-2-yl)-2-phenylquinoline-4-carboxamide438021-98-8C21H16N4OS
- N-({[2,3'-Bipyridine]-4-yl}methyl)-2-phenyl-1,3-thiazole-4-carboxamide2034268-05-6C21H16N4OS
- [3-(1,3-Benzothiazol-2-yl)pyrazin-2-yl](3,4-dihydroquinolin-1(2H)-yl)methanone873856-88-3C21H16N4OS
- 1,3,5,6-Tetrahydro-4-phenyl-5-(2-thienyl)-2H-pyrimido[4,5-b][1,5]benzodiazepin-2-one893650-09-4C21H16N4OS
- N-[(2Z)-4-Phenyl-2-(phenylimino)-1,3-thiazol-3(2H)-yl]pyridine-4-carboxamide23993-36-4C21H16N4OS
- N-[(2Z)-4-Phenyl-2-(phenylimino)-1,3-thiazol-3(2H)-yl]pyridine-3-carboxamide54809-87-9C21H16N4OS
- N-[(2Z)-4-Phenyl-2-(phenylimino)-1,3-thiazol-3(2H)-yl]pyridine-2-carboxamide61690-96-8C21H16N4OS
- 5,6-Dihydro-5-imino-2-(3-methylphenyl)-6-(3-phenyl-2-propen-1-ylidene)-7H-1,3,4-thiadiazolo[3,2-a]pyrimidin-7-one676249-27-7C21H16N4OS
Frequently asked questions
What is the molar mass of C21H16N4OS?
The molar mass of C21H16N4OS is 372.45 g/mol, calculated from standard atomic weights for 21 carbon atoms, 16 hydrogen atoms, 4 nitrogen atoms, 1 oxygen atom and 1 sulfur atom. The monoisotopic mass is 372.1045 Da.
How many compounds have the formula C21H16N4OS?
CompoundList lists 35 compounds with the molecular formula C21H16N4OS, including N-[3-(2,3-Dihydroimidazo[2,1-b][1,3]thiazol-6-yl)phenyl]quinoline-2-carboxamide, 1-Amino-3-(4-ethoxyphenyl)-3H-pyrido[2,1-b][1,3]benzothiazole-2,4-dicarbonitrile, 1-Phenyl-2-((4-phenyl-5-(pyridin-4-yl)-4H-1,2,4-triazol-3-yl)thio)ethanone. 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 C21H16N4OS?
C21H16N4OS 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.