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Molecular formula

C21H15N3O3S2

15 compounds have this formula on CompoundList.

Molar mass
421.49g/mol
Monoisotopic mass
421.0555Da
Atoms
44
Elements
5
Rings plus double bonds
16

The formula C21H15N3O3S2 describes a molecule made of 21 carbon atoms, 15 hydrogen atoms, 3 nitrogen atoms, 3 oxygen atoms and 2 sulfur atoms. 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 × 2159.84%
    12.011 × 21 = 252.231 g/mol
  • H Hydrogen × 153.59%
    1.008 × 15 = 15.120 g/mol
  • N Nitrogen × 39.97%
    14.007 × 3 = 42.021 g/mol
  • O Oxygen × 311.39%
    15.999 × 3 = 47.997 g/mol
  • S Sulfur × 215.21%
    32.06 × 2 = 64.120 g/mol
Look up another formula

Compounds with the formula C21H15N3O3S2

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

Showing 1 to 15 of 15 compounds

((5Z)-5-((1,3-Diphenyl-1H-pyrazol-4-yl)methylene)-4-oxo-2-thioxo-1,3-thiazolidin-3-yl)acetic acid chemical structure, C21H15N3O3S2, CAS 624724-48-7
((5Z)-5-((1,3-Diphenyl-1H-pyrazol-4-yl)methylene)-4-oxo-2-thioxo-1,3-thiazolidin-3-yl)acetic acid
CAS 624724-48-7C21H15N3O3S2
N-[[4-(Thiophene-2-carbonylamino)phenyl]carbamothioyl]-1-benzofuran-2-carboxamide chemical structure, C21H15N3O3S2, CAS 429620-96-2
N-[[4-(Thiophene-2-carbonylamino)phenyl]carbamothioyl]-1-benzofuran-2-carboxamide
CAS 429620-96-2C21H15N3O3S2
N-({[3-(1,3-Benzothiazol-2-yl)-4-hydroxyphenyl]amino}carbonothioyl)-3-(2-furyl)acrylamide chemical structure, C21H15N3O3S2, CAS 428857-85-6
N-({[3-(1,3-Benzothiazol-2-yl)-4-hydroxyphenyl]amino}carbonothioyl)-3-(2-furyl)acrylamide
CAS 428857-85-6C21H15N3O3S2
2-[(6-Nitro-1,3-benzothiazol-2-yl)sulfanyl]-N-(2-phenylphenyl)acetamide chemical structure, C21H15N3O3S2, CAS 378763-28-1
2-[(6-Nitro-1,3-benzothiazol-2-yl)sulfanyl]-N-(2-phenylphenyl)acetamide
CAS 378763-28-1C21H15N3O3S2
N-(4-(7-Ethoxybenzofuran-2-yl)thiazol-2-yl)benzo[d]thiazole-2-carboxamide chemical structure, C21H15N3O3S2, CAS 921797-58-2
N-(4-(7-Ethoxybenzofuran-2-yl)thiazol-2-yl)benzo[d]thiazole-2-carboxamide
CAS 921797-58-2C21H15N3O3S2
N-(2H-1,3-Benzodioxol-5-yl)-2-({6-phenylthieno[2,3-d]pyrimidin-4-yl}sulfanyl)acetamide chemical structure, C21H15N3O3S2, CAS 315708-10-2
N-(2H-1,3-Benzodioxol-5-yl)-2-({6-phenylthieno[2,3-d]pyrimidin-4-yl}sulfanyl)acetamide
CAS 315708-10-2C21H15N3O3S2
4-Benzyl-N-[4-(4-nitrothiophen-2-yl)-1,3-thiazol-2-yl]benzamide chemical structure, C21H15N3O3S2, CAS 441289-73-2
4-Benzyl-N-[4-(4-nitrothiophen-2-yl)-1,3-thiazol-2-yl]benzamide
CAS 441289-73-2C21H15N3O3S2
N-[2-{[(2E)-3-phenylprop-2-enoyl]amino}-4-(thiophen-2-yl)-1,3-thiazol-5-yl]furan-2-carboxamide chemical structure, C21H15N3O3S2, CAS 893688-81-8
N-[2-{[(2E)-3-phenylprop-2-enoyl]amino}-4-(thiophen-2-yl)-1,3-thiazol-5-yl]furan-2-carboxamide
CAS 893688-81-8C21H15N3O3S2
N-(Furan-2-ylmethyl)-N-(4-methoxybenzo[d]thiazol-2-yl)benzo[d]thiazole-2-carboxamide chemical structure, C21H15N3O3S2, CAS 922386-23-0
N-(Furan-2-ylmethyl)-N-(4-methoxybenzo[d]thiazol-2-yl)benzo[d]thiazole-2-carboxamide
CAS 922386-23-0C21H15N3O3S2
N-[4-(4-Methylphenyl)-5-phenyl-1,3-thiazol-2-yl]-5-nitrothiophene-2-carboxamide chemical structure, C21H15N3O3S2, CAS 324758-71-6
N-[4-(4-Methylphenyl)-5-phenyl-1,3-thiazol-2-yl]-5-nitrothiophene-2-carboxamide
CAS 324758-71-6C21H15N3O3S2
N-[4-(Thiophene-2-carbonylcarbamothioylamino)phenyl]-1-benzofuran-2-carboxamide chemical structure, C21H15N3O3S2, CAS 836661-97-3
N-[4-(Thiophene-2-carbonylcarbamothioylamino)phenyl]-1-benzofuran-2-carboxamide
CAS 836661-97-3C21H15N3O3S2
N-(3-Prop-2-ynyl-6-sulfamoyl-1,3-benzothiazol-2-ylidene)naphthalene-2-carboxamide chemical structure, C21H15N3O3S2, CAS 865182-50-9
N-(3-Prop-2-ynyl-6-sulfamoyl-1,3-benzothiazol-2-ylidene)naphthalene-2-carboxamide
CAS 865182-50-9C21H15N3O3S2
N-(3-Prop-2-ynyl-6-sulfamoyl-1,3-benzothiazol-2-ylidene)naphthalene-1-carboxamide chemical structure, C21H15N3O3S2, CAS 865182-48-5
N-(3-Prop-2-ynyl-6-sulfamoyl-1,3-benzothiazol-2-ylidene)naphthalene-1-carboxamide
CAS 865182-48-5C21H15N3O3S2
(E)-N-([1,3]Dioxolo[4',5':4,5]benzo[1,2-d]thiazol-6-yl)-N-(pyridin-3-ylmethyl)-3-(thiophen-2-yl)acrylamide chemical structure, C21H15N3O3S2, CAS 895020-03-8
(E)-N-([1,3]Dioxolo[4',5':4,5]benzo[1,2-d]thiazol-6-yl)-N-(pyridin-3-ylmethyl)-3-(thiophen-2-yl)acrylamide
CAS 895020-03-8C21H15N3O3S2
N-(4-(7-Ethoxybenzofuran-2-yl)thiazol-2-yl)benzo[d]thiazole-6-carboxamide chemical structure, C21H15N3O3S2, CAS 921571-13-3
N-(4-(7-Ethoxybenzofuran-2-yl)thiazol-2-yl)benzo[d]thiazole-6-carboxamide
CAS 921571-13-3C21H15N3O3S2

Frequently asked questions

What is the molar mass of C21H15N3O3S2?

The molar mass of C21H15N3O3S2 is 421.49 g/mol, calculated from standard atomic weights for 21 carbon atoms, 15 hydrogen atoms, 3 nitrogen atoms, 3 oxygen atoms and 2 sulfur atoms. The monoisotopic mass is 421.0555 Da.

How many compounds have the formula C21H15N3O3S2?

CompoundList lists 15 compounds with the molecular formula C21H15N3O3S2, including ((5Z)-5-((1,3-Diphenyl-1H-pyrazol-4-yl)methylene)-4-oxo-2-thioxo-1,3-thiazolidin-3-yl)acetic acid, N-[[4-(Thiophene-2-carbonylamino)phenyl]carbamothioyl]-1-benzofuran-2-carboxamide, N-({[3-(1,3-Benzothiazol-2-yl)-4-hydroxyphenyl]amino}carbonothioyl)-3-(2-furyl)acrylamide. 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 C21H15N3O3S2?

C21H15N3O3S2 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.