Molecular formula

C₂₁H₁₅N₃O₅S

26 compounds have this formula on CompoundList.

Molar mass: 421.43g/mol
Monoisotopic mass: 421.0732Da
Atoms: 45
Elements: 5
Rings plus double bonds: 16

The formula C21H15N3O5S describes a molecule made of 21 carbon atoms, 15 hydrogen atoms, 3 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 × 2159.85%
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 × 518.98%
15.999 × 5 = 79.995 g/mol
S Sulfur × 17.61%
32.06 × 1 = 32.060 g/mol

Look up another formula

Compounds with the formula C21H15N3O5S

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

Showing 1 to 26 of 26 compounds

3-(1,3-Dioxoisoindol-2-yl)-N-(4-sulfamoylphenyl)benzamide

CAS 892210-80-9C₂₁H₁₅N₃O₅S

3-Hydroxy-5-(3-nitrophenyl)-1-(pyridin-3-ylmethyl)-4-(thiophene-2-carbonyl)-1H-pyrrol-2(5H)-one

CAS 380592-40-5C₂₁H₁₅N₃O₅S

1-(4-Hydroxy-3-methoxyphenyl)-2-(5-methyl-1,3,4-thiadiazol-2-yl)-1H-chromeno[2,3-c]pyrrole-3,9-dione

CAS 620588-82-1C₂₁H₁₅N₃O₅S

(E)-4-(2-Cyano-2-(4-(3-nitrophenyl)thiazol-2-yl)vinyl)-2-methoxyphenyl acetate

CAS 683250-34-2C₂₁H₁₅N₃O₅S

N-(4-(Benzo[d][1,3]dioxol-5-yl)thiazol-2-yl)-4-(2,5-dioxopyrrolidin-1-yl)benzamide

CAS 477547-52-7C₂₁H₁₅N₃O₅S

N-(3-(6-(Methylsulfonyl)pyridazin-3-yl)phenyl)-2-oxo-2H-chromene-3-carboxamide

CAS 897614-34-5C₂₁H₁₅N₃O₅S

N-(4-Nitrophenyl)-3-(2-(thiophen-2-yl)acetamido)benzofuran-2-carboxamide

CAS 887876-73-5C₂₁H₁₅N₃O₅S

(Z)-N-(7-Allyl-[1,3]dioxolo[4',5':4,5]benzo[1,2-d]thiazol-6(7H)-ylidene)-2-(1,3-dioxoisoindolin-2-yl)acetamide

CAS 905662-21-7C₂₁H₁₅N₃O₅S

1-(2-(Benzo[d][1,3]dioxol-5-yl)-2-oxoethyl)-3-(thiophen-2-ylmethyl)pyrido[3,2-d]pyrimidine-2,4(1H,3H)-dione

CAS 955524-47-7C₂₁H₁₅N₃O₅S

Fluorescein-5-thiosemicarbazide

CAS 76863-28-0C₂₁H₁₅N₃O₅S

5-(4-Nitrophenyl)-2-phenyl-3-(thiophen-2-yl)dihydro-2H-pyrrolo[3,4-d]isoxazole-4,6(5H,6aH)-dione

CAS 1005270-36-9C₂₁H₁₅N₃O₅S

5-(3-Nitrophenyl)-2-phenyl-3-(thiophen-2-yl)dihydro-2H-pyrrolo[3,4-d]isoxazole-4,6(5H,6aH)-dione

CAS 612046-48-7C₂₁H₁₅N₃O₅S

N-[4-(4-Methoxyphenyl)-5-(4-nitrophenyl)-1,3-thiazol-2-yl]furan-2-carboxamide

CAS 5675-08-1C₂₁H₁₅N₃O₅S

N-(4-(Benzo[d][1,3]dioxol-5-yl)thiazol-2-yl)-3-(2,5-dioxopyrrolidin-1-yl)benzamide

CAS 393837-58-6C₂₁H₁₅N₃O₅S

N-(4-Methoxy-6-nitro-1,3-benzothiazol-2-yl)-4-phenoxybenzamide

CAS 313404-33-0C₂₁H₁₅N₃O₅S

N-(5,5-Dioxo-2-phenyl-4,6-dihydrothieno[3,4-c]pyrazol-3-yl)-2-oxochromene-3-carboxamide

CAS 681266-32-0C₂₁H₁₅N₃O₅S

(E)-4-(2-Cyano-2-(4-(4-nitrophenyl)thiazol-2-yl)vinyl)-2-methoxyphenyl acetate

CAS 683250-32-0C₂₁H₁₅N₃O₅S

[5-Methyl-4-(2-nitrophenyl)sulfanyl-2-phenylpyrazol-3-yl] furan-2-carboxylate

CAS 851126-45-9C₂₁H₁₅N₃O₅S

N-(4-Methoxy-6-nitro-1,3-benzothiazol-2-yl)-2-phenoxybenzamide

CAS 361160-09-0C₂₁H₁₅N₃O₅S

N-[5-(4-Oxo-4H-chromene-2-carbonyl)-4H,5H,6H,7H-[1,3]thiazolo[5,4-c]pyridin-2-yl]furan-2-carboxamide

CAS 1351634-79-1C₂₁H₁₅N₃O₅S

N-(4-(6-(Methylsulfonyl)pyridazin-3-yl)phenyl)-2-oxo-2H-chromene-3-carboxamide

CAS 921839-35-2C₂₁H₁₅N₃O₅S

Methyl 3-{[(2Z)-7-hydroxy-3-(1,3-thiazol-2-ylcarbamoyl)-2H-chromen-2-ylidene]amino}benzoate

CAS 1327171-86-7C₂₁H₁₅N₃O₅S

(2Z)-2-(2,3-Dihydro-1,4-benzodioxin-6-ylimino)-7-hydroxy-N-(1,3-thiazol-2-yl)-2H-chromene-3-carboxamide

CAS 1327176-41-9C₂₁H₁₅N₃O₅S

2-(2-Methylphenyl)-3-[(4-nitrophenyl)methyl]-4-oxo-3,4-dihydrothieno[2,3-d]pyrimidine-5-carboxylic acid

CAS 1216778-28-7C₂₁H₁₅N₃O₅S

Frequently asked questions

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What is the molar mass of C21H15N3O5S?

The molar mass of C21H15N3O5S is 421.43 g/mol, calculated from standard atomic weights for 21 carbon atoms, 15 hydrogen atoms, 3 nitrogen atoms, 5 oxygen atoms and 1 sulfur atom. The monoisotopic mass is 421.0732 Da.

How many compounds have the formula C21H15N3O5S?

CompoundList lists 26 compounds with the molecular formula C21H15N3O5S, including 3-(1,3-Dioxoisoindol-2-yl)-N-(4-sulfamoylphenyl)benzamide, 3-Hydroxy-5-(3-nitrophenyl)-1-(pyridin-3-ylmethyl)-4-(thiophene-2-carbonyl)-1H-pyrrol-2(5H)-one, 1-(4-Hydroxy-3-methoxyphenyl)-2-(5-methyl-1,3,4-thiadiazol-2-yl)-1H-chromeno[2,3-c]pyrrole-3,9-dione. 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 C21H15N3O5S?

C21H15N3O5S 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.