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Molecular formula

C21H14N4O3S

14 compounds have this formula on CompoundList.

Molar mass
402.43g/mol
Monoisotopic mass
402.0787Da
Atoms
43
Elements
5
Rings plus double bonds
17

The formula C21H14N4O3S describes a molecule made of 21 carbon atoms, 14 hydrogen atoms, 4 nitrogen atoms, 3 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 × 2162.68%
    12.011 × 21 = 252.231 g/mol
  • H Hydrogen × 143.51%
    1.008 × 14 = 14.112 g/mol
  • N Nitrogen × 413.92%
    14.007 × 4 = 56.028 g/mol
  • O Oxygen × 311.93%
    15.999 × 3 = 47.997 g/mol
  • S Sulfur × 17.97%
    32.06 × 1 = 32.060 g/mol
Look up another formula

Compounds with the formula C21H14N4O3S

Isomers we list, best known first. Open one to see its structure, properties, safety data and suppliers.

Showing 1 to 14 of 14 compounds

7-(4-Ethylphenyl)-3-phenyl-4H,6H-pyrrolo[3',4':4,5][1,3]thiazolo[2,3-c][1,2,4]triazine-4,6,8(7H)-trione chemical structure, C21H14N4O3S, CAS 431885-73-3
7-(4-Ethylphenyl)-3-phenyl-4H,6H-pyrrolo[3',4':4,5][1,3]thiazolo[2,3-c][1,2,4]triazine-4,6,8(7H)-trione
CAS 431885-73-3C21H14N4O3S
(2Z)-2-(1-Ethyl-2-oxo-1,2-dihydro-3H-indol-3-ylidene)-6-phenyl-7H-[1,3]thiazolo[3,2-B][1,2,4]triazine-3,7(2H)-dione chemical structure, C21H14N4O3S, CAS 607384-96-3
(2Z)-2-(1-Ethyl-2-oxo-1,2-dihydro-3H-indol-3-ylidene)-6-phenyl-7H-[1,3]thiazolo[3,2-B][1,2,4]triazine-3,7(2H)-dione
CAS 607384-96-3C21H14N4O3S
N-[4-(4-Cyanophenyl)-1,3-thiazol-2-yl]-4-(2,5-dioxopyrrolidin-1-yl)benzamide chemical structure, C21H14N4O3S, CAS 330200-83-4
N-[4-(4-Cyanophenyl)-1,3-thiazol-2-yl]-4-(2,5-dioxopyrrolidin-1-yl)benzamide
CAS 330200-83-4C21H14N4O3S
NP-1815-PX chemical structure, C21H14N4O3S, CAS 1239578-79-0
NP-1815-PX
CAS 1239578-79-0C21H14N4O3S
(2Z)-6-Benzyl-2-(1-methyl-2-oxo-1,2-dihydro-3H-indol-3-ylidene)-7H-[1,3]thiazolo[3,2-b][1,2,4]triazine-3,7(2H)-dione chemical structure, C21H14N4O3S, CAS 385419-75-0
(2Z)-6-Benzyl-2-(1-methyl-2-oxo-1,2-dihydro-3H-indol-3-ylidene)-7H-[1,3]thiazolo[3,2-b][1,2,4]triazine-3,7(2H)-dione
CAS 385419-75-0C21H14N4O3S
2-[2-[4-Oxo-3-(1,3-thiazol-2-yl)quinazolin-2-yl]ethyl]isoindole-1,3-dione chemical structure, C21H14N4O3S, CAS 380646-79-7
2-[2-[4-Oxo-3-(1,3-thiazol-2-yl)quinazolin-2-yl]ethyl]isoindole-1,3-dione
CAS 380646-79-7C21H14N4O3S
(Z)-N-(1-(1-Cyano-2-((furan-2-ylmethyl)amino)-2-oxoethylidene)-1H-isoindol-3-yl)thiophene-2-carboxamide chemical structure, C21H14N4O3S, CAS 885181-35-1
(Z)-N-(1-(1-Cyano-2-((furan-2-ylmethyl)amino)-2-oxoethylidene)-1H-isoindol-3-yl)thiophene-2-carboxamide
CAS 885181-35-1C21H14N4O3S
5-Nitro-N-(4-phenyldiazenylphenyl)-1-benzothiophene-2-carboxamide chemical structure, C21H14N4O3S, CAS 392325-45-0
5-Nitro-N-(4-phenyldiazenylphenyl)-1-benzothiophene-2-carboxamide
CAS 392325-45-0C21H14N4O3S
N-(2-((3-(Furan-2-yl)-1,2,4-oxadiazol-5-yl)methyl)phenyl)benzo[d]thiazole-6-carboxamide chemical structure, C21H14N4O3S, CAS 1706381-58-9
N-(2-((3-(Furan-2-yl)-1,2,4-oxadiazol-5-yl)methyl)phenyl)benzo[d]thiazole-6-carboxamide
CAS 1706381-58-9C21H14N4O3S
N-(1-(Benzo[d]thiazol-2-yl)-3-methyl-1H-pyrazol-5-yl)-2-oxo-2H-chromene-3-carboxamide chemical structure, C21H14N4O3S, CAS 1170016-73-5
N-(1-(Benzo[d]thiazol-2-yl)-3-methyl-1H-pyrazol-5-yl)-2-oxo-2H-chromene-3-carboxamide
CAS 1170016-73-5C21H14N4O3S
N-(2-((3-(Furan-2-yl)-1,2,4-oxadiazol-5-yl)methyl)phenyl)benzo[d]thiazole-2-carboxamide chemical structure, C21H14N4O3S, CAS 1797960-04-3
N-(2-((3-(Furan-2-yl)-1,2,4-oxadiazol-5-yl)methyl)phenyl)benzo[d]thiazole-2-carboxamide
CAS 1797960-04-3C21H14N4O3S
5-Methyl-3-phenyl-6-(3-phenyl-1,2,4-oxadiazol-5-yl)thieno[2,3-d]pyrimidine-2,4(1H,3H)-dione chemical structure, C21H14N4O3S, CAS 1352940-86-3
5-Methyl-3-phenyl-6-(3-phenyl-1,2,4-oxadiazol-5-yl)thieno[2,3-d]pyrimidine-2,4(1H,3H)-dione
CAS 1352940-86-3C21H14N4O3S
2-Hydroxy-5-[2-[4-[2-(2-pyridinyl)-4-thiazolyl]phenyl]diazenyl]benzoic acid chemical structure, C21H14N4O3S, CAS 82099-58-9
2-Hydroxy-5-[2-[4-[2-(2-pyridinyl)-4-thiazolyl]phenyl]diazenyl]benzoic acid
CAS 82099-58-9C21H14N4O3S
6-Oxo-3-(2-{4-[2-(pyridin-3-yl)-1,3-thiazol-4-yl]phenyl}hydrazinylidene)cyclohexa-1,4-diene-1-carboxylic acid chemical structure, C21H14N4O3S, CAS 82099-62-5
6-Oxo-3-(2-{4-[2-(pyridin-3-yl)-1,3-thiazol-4-yl]phenyl}hydrazinylidene)cyclohexa-1,4-diene-1-carboxylic acid
CAS 82099-62-5C21H14N4O3S

Frequently asked questions

What is the molar mass of C21H14N4O3S?

The molar mass of C21H14N4O3S is 402.43 g/mol, calculated from standard atomic weights for 21 carbon atoms, 14 hydrogen atoms, 4 nitrogen atoms, 3 oxygen atoms and 1 sulfur atom. The monoisotopic mass is 402.0787 Da.

How many compounds have the formula C21H14N4O3S?

CompoundList lists 14 compounds with the molecular formula C21H14N4O3S, including 7-(4-Ethylphenyl)-3-phenyl-4H,6H-pyrrolo[3',4':4,5][1,3]thiazolo[2,3-c][1,2,4]triazine-4,6,8(7H)-trione, (2Z)-2-(1-Ethyl-2-oxo-1,2-dihydro-3H-indol-3-ylidene)-6-phenyl-7H-[1,3]thiazolo[3,2-B][1,2,4]triazine-3,7(2H)-dione, N-[4-(4-Cyanophenyl)-1,3-thiazol-2-yl]-4-(2,5-dioxopyrrolidin-1-yl)benzamide. 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 C21H14N4O3S?

C21H14N4O3S has a degree of unsaturation of 17. 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.