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Molecular formula

C21H23N5O5S

27 compounds have this formula on CompoundList.

Molar mass
457.51g/mol
Monoisotopic mass
457.1420Da
Atoms
55
Elements
5
Rings plus double bonds
13

The formula C21H23N5O5S describes a molecule made of 21 carbon atoms, 23 hydrogen atoms, 5 nitrogen atoms, 5 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 × 2155.13%
    12.011 × 21 = 252.231 g/mol
  • H Hydrogen × 235.07%
    1.008 × 23 = 23.184 g/mol
  • N Nitrogen × 515.31%
    14.007 × 5 = 70.035 g/mol
  • O Oxygen × 517.49%
    15.999 × 5 = 79.995 g/mol
  • S Sulfur × 17.01%
    32.06 × 1 = 32.060 g/mol
Look up another formula

Compounds with the formula C21H23N5O5S

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

Showing 1 to 27 of 27 compounds

4-[(E)-{5-Iminio-7-oxo-2-[2-oxo-2-(piperidin-1-yl)ethyl]-5H-[1,3,4]thiadiazolo[3,2-a]pyrimidin-6(7H)-ylidene}methyl]-2,6-dimethoxyphenolate chemical structure, C21H23N5O5S, CAS 843628-77-3
4-[(E)-{5-Iminio-7-oxo-2-[2-oxo-2-(piperidin-1-yl)ethyl]-5H-[1,3,4]thiadiazolo[3,2-a]pyrimidin-6(7H)-ylidene}methyl]-2,6-dimethoxyphenolate
CAS 843628-77-3C21H23N5O5S
N-(2,3-Dihydro-1,4-benzodioxin-6-yl)-2-(1,3-dimethyl-2,4-dioxo-7-propan-2-ylpyrimido[4,5-d]pyrimidin-5-yl)sulfanylacetamide chemical structure, C21H23N5O5S, CAS 863002-69-1
N-(2,3-Dihydro-1,4-benzodioxin-6-yl)-2-(1,3-dimethyl-2,4-dioxo-7-propan-2-ylpyrimido[4,5-d]pyrimidin-5-yl)sulfanylacetamide
CAS 863002-69-1C21H23N5O5S
4-(4-Methyl-5-oxo-4,5-dihydrothieno[2,3-e][1,2,4]triazolo[4,3-a]pyrimidin-1-yl)-N-(3,4,5-trimethoxyphenyl)butanamide chemical structure, C21H23N5O5S, CAS 892752-70-4
4-(4-Methyl-5-oxo-4,5-dihydrothieno[2,3-e][1,2,4]triazolo[4,3-a]pyrimidin-1-yl)-N-(3,4,5-trimethoxyphenyl)butanamide
CAS 892752-70-4C21H23N5O5S
2-((2-Cyclopropyl-6,8-dimethyl-5,7-dioxo-5,6,7,8-tetrahydropyrimido[4,5-d]pyrimidin-4-yl)thio)-N-(2,4-dimethoxyphenyl)acetamide chemical structure, C21H23N5O5S, CAS 906226-22-0
2-((2-Cyclopropyl-6,8-dimethyl-5,7-dioxo-5,6,7,8-tetrahydropyrimido[4,5-d]pyrimidin-4-yl)thio)-N-(2,4-dimethoxyphenyl)acetamide
CAS 906226-22-0C21H23N5O5S
4-[2-[[(E)-[1-(4-Nitrophenyl)-5-oxo-3-propylpyrazol-4-ylidene]methyl]amino]ethyl]benzenesulfonamide chemical structure, C21H23N5O5S, CAS 371935-92-1
4-[2-[[(E)-[1-(4-Nitrophenyl)-5-oxo-3-propylpyrazol-4-ylidene]methyl]amino]ethyl]benzenesulfonamide
CAS 371935-92-1C21H23N5O5S
Boc-ThionoSer(Bzl)-1-(6-nitro)benzotriazolide chemical structure, C21H23N5O5S, CAS 184951-89-1
Boc-ThionoSer(Bzl)-1-(6-nitro)benzotriazolide
CAS 184951-89-1C21H23N5O5S
1-(4-{[8-(Morpholine-4-sulfonyl)-3-oxo-2H,3H-[1,2,4]triazolo[4,3-a]pyridin-2-yl]methyl}phenyl)pyrrolidin-2-one chemical structure, C21H23N5O5S, CAS 1251680-95-1
1-(4-{[8-(Morpholine-4-sulfonyl)-3-oxo-2H,3H-[1,2,4]triazolo[4,3-a]pyridin-2-yl]methyl}phenyl)pyrrolidin-2-one
CAS 1251680-95-1C21H23N5O5S
N-(Benzo[d][1,3]dioxol-5-ylmethyl)-2-((6,8-dimethyl-5,7-dioxo-2-propyl-5,6,7,8-tetrahydropyrimido[4,5-d]pyrimidin-4-yl)thio)acetamide chemical structure, C21H23N5O5S, CAS 863002-46-4
N-(Benzo[d][1,3]dioxol-5-ylmethyl)-2-((6,8-dimethyl-5,7-dioxo-2-propyl-5,6,7,8-tetrahydropyrimido[4,5-d]pyrimidin-4-yl)thio)acetamide
CAS 863002-46-4C21H23N5O5S
N-(Benzo[d][1,3]dioxol-5-ylmethyl)-2-((2-isopropyl-6,8-dimethyl-5,7-dioxo-5,6,7,8-tetrahydropyrimido[4,5-d]pyrimidin-4-yl)thio)acetamide chemical structure, C21H23N5O5S, CAS 863002-73-7
N-(Benzo[d][1,3]dioxol-5-ylmethyl)-2-((2-isopropyl-6,8-dimethyl-5,7-dioxo-5,6,7,8-tetrahydropyrimido[4,5-d]pyrimidin-4-yl)thio)acetamide
CAS 863002-73-7C21H23N5O5S
Ethyl 2-(2-(2-(3-(3-(2-methoxyphenyl)-1,2,4-oxadiazol-5-yl)azetidin-1-yl)acetamido)thiazol-4-yl)acetate chemical structure, C21H23N5O5S, CAS 1421468-54-3
Ethyl 2-(2-(2-(3-(3-(2-methoxyphenyl)-1,2,4-oxadiazol-5-yl)azetidin-1-yl)acetamido)thiazol-4-yl)acetate
CAS 1421468-54-3C21H23N5O5S
2-[5-(4-Ethylsulfonylpiperazin-1-yl)-2-nitrophenyl]-4-methylphthalazin-1-one chemical structure, C21H23N5O5S, CAS 642430-68-0
2-[5-(4-Ethylsulfonylpiperazin-1-yl)-2-nitrophenyl]-4-methylphthalazin-1-one
CAS 642430-68-0C21H23N5O5S
4-Oxo-N-(3-((4-(pyrimidin-2-yl)piperazin-1-yl)sulfonyl)propyl)-4H-chromene-2-carboxamide chemical structure, C21H23N5O5S, CAS 1021248-47-4
4-Oxo-N-(3-((4-(pyrimidin-2-yl)piperazin-1-yl)sulfonyl)propyl)-4H-chromene-2-carboxamide
CAS 1021248-47-4C21H23N5O5S
2-((2-(4-Methoxyphenyl)-6,8-dimethyl-5,7-dioxo-5,6,7,8-tetrahydropyrimido[4,5-d]pyrimidin-4-yl)thio)-N,N-dimethyl-3-oxobutanamide chemical structure, C21H23N5O5S, CAS 852169-47-2
2-((2-(4-Methoxyphenyl)-6,8-dimethyl-5,7-dioxo-5,6,7,8-tetrahydropyrimido[4,5-d]pyrimidin-4-yl)thio)-N,N-dimethyl-3-oxobutanamide
CAS 852169-47-2C21H23N5O5S
Ethyl 4-(2-((2-ethyl-6,8-dimethyl-5,7-dioxo-5,6,7,8-tetrahydropyrimido[4,5-d]pyrimidin-4-yl)thio)acetamido)benzoate chemical structure, C21H23N5O5S, CAS 852170-04-8
Ethyl 4-(2-((2-ethyl-6,8-dimethyl-5,7-dioxo-5,6,7,8-tetrahydropyrimido[4,5-d]pyrimidin-4-yl)thio)acetamido)benzoate
CAS 852170-04-8C21H23N5O5S
2-{[1,3-Dimethyl-6-(2-methylpropyl)-2,4-dioxo-1H,2H,3H,4H-pyrido[2,3-d]pyrimidin-5-yl]sulfanyl}-N-(4-nitrophenyl)acetamide chemical structure, C21H23N5O5S, CAS 946239-68-5
2-{[1,3-Dimethyl-6-(2-methylpropyl)-2,4-dioxo-1H,2H,3H,4H-pyrido[2,3-d]pyrimidin-5-yl]sulfanyl}-N-(4-nitrophenyl)acetamide
CAS 946239-68-5C21H23N5O5S
N-(3-Ethylphenyl)-2-[3-isopropyl-2-oxo-6-(pyrrolidin-1-ylsulfonyl)-2,3-dihydro-1H-benzimidazol-1-yl]acetamide chemical structure, C21H23N5O5S, CAS 1358622-67-9
N-(3-Ethylphenyl)-2-[3-isopropyl-2-oxo-6-(pyrrolidin-1-ylsulfonyl)-2,3-dihydro-1H-benzimidazol-1-yl]acetamide
CAS 1358622-67-9C21H23N5O5S
7-(4-Methoxyphenyl)-1,3-dimethyl-5-((2-morpholino-2-oxoethyl)thio)pyrimido[4,5-d]pyrimidine-2,4(1H,3H)-dione chemical structure, C21H23N5O5S, CAS 852171-57-4
7-(4-Methoxyphenyl)-1,3-dimethyl-5-((2-morpholino-2-oxoethyl)thio)pyrimido[4,5-d]pyrimidine-2,4(1H,3H)-dione
CAS 852171-57-4C21H23N5O5S
N-(2,3-Dihydrobenzo[b][1,4]dioxin-6-yl)-2-((6,8-dimethyl-5,7-dioxo-2-propyl-5,6,7,8-tetrahydropyrimido[4,5-d]pyrimidin-4-yl)thio)acetamide chemical structure, C21H23N5O5S, CAS 852171-34-7
N-(2,3-Dihydrobenzo[b][1,4]dioxin-6-yl)-2-((6,8-dimethyl-5,7-dioxo-2-propyl-5,6,7,8-tetrahydropyrimido[4,5-d]pyrimidin-4-yl)thio)acetamide
CAS 852171-34-7C21H23N5O5S
2-((2-Cyclopropyl-6,8-dimethyl-5,7-dioxo-5,6,7,8-tetrahydropyrimido[4,5-d]pyrimidin-4-yl)thio)-N-(3,4-dimethoxyphenyl)acetamide chemical structure, C21H23N5O5S, CAS 906226-36-6
2-((2-Cyclopropyl-6,8-dimethyl-5,7-dioxo-5,6,7,8-tetrahydropyrimido[4,5-d]pyrimidin-4-yl)thio)-N-(3,4-dimethoxyphenyl)acetamide
CAS 906226-36-6C21H23N5O5S
3-(5-(4-(4-Nitrophenyl)piperazin-1-yl)-5-oxopentyl)thieno[3,2-d]pyrimidine-2,4(1H,3H)-dione chemical structure, C21H23N5O5S, CAS 866344-84-5
3-(5-(4-(4-Nitrophenyl)piperazin-1-yl)-5-oxopentyl)thieno[3,2-d]pyrimidine-2,4(1H,3H)-dione
CAS 866344-84-5C21H23N5O5S
7-(3-Methoxyphenyl)-1,3-dimethyl-5-{[2-(morpholin-4-yl)-2-oxoethyl]sulfanyl}-1H,2H,3H,4H-[1,3]diazino[4,5-d]pyrimidine-2,4-dione chemical structure, C21H23N5O5S, CAS 872839-55-9
7-(3-Methoxyphenyl)-1,3-dimethyl-5-{[2-(morpholin-4-yl)-2-oxoethyl]sulfanyl}-1H,2H,3H,4H-[1,3]diazino[4,5-d]pyrimidine-2,4-dione
CAS 872839-55-9C21H23N5O5S
2-{[1,3-Dimethyl-6-(2-methylpropyl)-2,4-dioxo-1H,2H,3H,4H-pyrido[2,3-d]pyrimidin-5-yl]sulfanyl}-N-(3-nitrophenyl)acetamide chemical structure, C21H23N5O5S, CAS 946239-64-1
2-{[1,3-Dimethyl-6-(2-methylpropyl)-2,4-dioxo-1H,2H,3H,4H-pyrido[2,3-d]pyrimidin-5-yl]sulfanyl}-N-(3-nitrophenyl)acetamide
CAS 946239-64-1C21H23N5O5S
2-((2-Cyclopropyl-6,8-dimethyl-5,7-dioxo-5,6,7,8-tetrahydropyrimido[4,5-d]pyrimidin-4-yl)thio)-N-(2,5-dimethoxyphenyl)acetamide chemical structure, C21H23N5O5S, CAS 906226-29-7
2-((2-Cyclopropyl-6,8-dimethyl-5,7-dioxo-5,6,7,8-tetrahydropyrimido[4,5-d]pyrimidin-4-yl)thio)-N-(2,5-dimethoxyphenyl)acetamide
CAS 906226-29-7C21H23N5O5S
2-Oxo-N-(3-((4-(pyrimidin-2-yl)piperazin-1-yl)sulfonyl)propyl)-2H-chromene-3-carboxamide chemical structure, C21H23N5O5S, CAS 1021221-39-5
2-Oxo-N-(3-((4-(pyrimidin-2-yl)piperazin-1-yl)sulfonyl)propyl)-2H-chromene-3-carboxamide
CAS 1021221-39-5C21H23N5O5S

Frequently asked questions

What is the molar mass of C21H23N5O5S?

The molar mass of C21H23N5O5S is 457.51 g/mol, calculated from standard atomic weights for 21 carbon atoms, 23 hydrogen atoms, 5 nitrogen atoms, 5 oxygen atoms and 1 sulfur atom. The monoisotopic mass is 457.1420 Da.

How many compounds have the formula C21H23N5O5S?

CompoundList lists 27 compounds with the molecular formula C21H23N5O5S, including 4-[(E)-{5-Iminio-7-oxo-2-[2-oxo-2-(piperidin-1-yl)ethyl]-5H-[1,3,4]thiadiazolo[3,2-a]pyrimidin-6(7H)-ylidene}methyl]-2,6-dimethoxyphenolate, N-(2,3-Dihydro-1,4-benzodioxin-6-yl)-2-(1,3-dimethyl-2,4-dioxo-7-propan-2-ylpyrimido[4,5-d]pyrimidin-5-yl)sulfanylacetamide, 4-(4-Methyl-5-oxo-4,5-dihydrothieno[2,3-e][1,2,4]triazolo[4,3-a]pyrimidin-1-yl)-N-(3,4,5-trimethoxyphenyl)butanamide. 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 C21H23N5O5S?

C21H23N5O5S has a degree of unsaturation of 13. 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.