Molecular formula

C₂₁H₁₅NO₄S

23 compounds have this formula on CompoundList.

Molar mass: 377.41g/mol
Monoisotopic mass: 377.0722Da
Atoms: 42
Elements: 5
Rings plus double bonds: 15

The formula C21H15NO4S describes a molecule made of 21 carbon atoms, 15 hydrogen atoms, 1 nitrogen atom, 4 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 × 2166.83%
12.011 × 21 = 252.231 g/mol
H Hydrogen × 154.01%
1.008 × 15 = 15.120 g/mol
N Nitrogen × 13.71%
14.007 × 1 = 14.007 g/mol
O Oxygen × 416.96%
15.999 × 4 = 63.996 g/mol
S Sulfur × 18.49%
32.06 × 1 = 32.060 g/mol

Look up another formula

Compounds with the formula C21H15NO4S

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

Showing 1 to 23 of 23 compounds

2-((1-(Naphthalen-1-yl)-2,5-dioxopyrrolidin-3-yl)thio)benzoic acid

CAS 691368-25-9C₂₁H₁₅NO₄S

3-(3-Methyl-1-benzofuran-2-amido)-5-phenylthiophene-2-carboxylic acid

CAS 920849-78-1C₂₁H₁₅NO₄S

N-[2-(4-Methoxybenzoyl)-1-benzofuran-3-yl]thiophene-2-carboxamide

CAS 381205-85-2C₂₁H₁₅NO₄S

9,10-Anthracenedione, 1-amino-4-hydroxy-2-(4-(methylthio)phenoxy)-

CAS 34740-81-3C₂₁H₁₅NO₄S

N-[2-(3-Methoxybenzoyl)-1-benzofuran-3-yl]thiophene-2-carboxamide

CAS 824955-83-1C₂₁H₁₅NO₄S

(2E)-3-[5-(4-Acetylphenyl)furan-2-yl]-2-(phenylsulfonyl)prop-2-enenitrile

CAS 865593-37-9C₂₁H₁₅NO₄S

9,10-Dioxo-N-(p-tolyl)-9,10-dihydroanthracene-2-sulfonamide

CAS 791786-20-4C₂₁H₁₅NO₄S

N-(3-(3-Methoxyphenyl)-4-oxo-4H-chromen-2-yl)thiophene-2-carboxamide

CAS 883954-15-2C₂₁H₁₅NO₄S

N-[3-(4-Methoxyphenyl)-4-oxo-4H-chromen-2-yl]thiophene-2-carboxamide

CAS 883952-88-3C₂₁H₁₅NO₄S

4H-1-Benzopyran-4-one, 7-(acetyloxy)-2-methyl-3-(2-phenyl-4-thiazolyl)-

CAS 51625-86-6C₂₁H₁₅NO₄S

9,10-Dioxo-N-(p-tolyl)-9,10-dihydroanthracene-1-sulfonamide

CAS 301314-81-8C₂₁H₁₅NO₄S

N-[2-(4-Methoxyphenyl)-4-oxo-4H-chromen-6-yl]thiophene-2-carboxamide

CAS 921881-81-4C₂₁H₁₅NO₄S

N-[2-(4-Methoxyphenyl)-4-oxo-4H-chromen-7-yl]thiophene-2-carboxamide

CAS 923212-08-2C₂₁H₁₅NO₄S

N-[2-Methoxy-5-(2-oxochromen-3-yl)phenyl]thiophene-2-carboxamide

CAS 765926-10-1C₂₁H₁₅NO₄S

N-Benzyl-9,10-dioxo-9,10-dihydroanthracene-2-sulfonamide

CAS 139725-38-5C₂₁H₁₅NO₄S

N-[2-(2-Methoxyphenyl)-4-oxo-4H-chromen-6-yl]thiophene-2-carboxamide

CAS 923158-02-5C₂₁H₁₅NO₄S

2-(4-Methylbenzo[h]quinolin-2-yl)sulfonylbenzoic acid

CAS 81008-96-0C₂₁H₁₅NO₄S

Methyl 3-(benzofuran-2-carboxamido)-5-phenylthiophene-2-carboxylate

CAS 923413-49-4C₂₁H₁₅NO₄S

N-(2-Methylphenyl)-9,10-dioxo-9,10-dihydroanthracene-2-sulfonamide

CAS 889786-67-8C₂₁H₁₅NO₄S

N-(3-Methylphenyl)-9,10-dioxo-9,10-dihydroanthracene-2-sulfonamide

CAS 889786-72-5C₂₁H₁₅NO₄S

{3-Oxo-3H-benzo[f]chromen-1-yl}methyl 2-(methylsulfanyl)pyridine-3-carboxylate

CAS 565415-86-3C₂₁H₁₅NO₄S

1,3-Dioxo-2,3-dihydro-1H-isoindol-2-yl 4-ethyl-5-phenylthiophene-2-carboxylate

CAS 2248403-22-5C₂₁H₁₅NO₄S

Benzyl N-[2-(thiophene-2-carbonyl)-1-benzofuran-3-yl]carbamate

CAS 2680669-70-7C₂₁H₁₅NO₄S

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What is the molar mass of C21H15NO4S?

The molar mass of C21H15NO4S is 377.41 g/mol, calculated from standard atomic weights for 21 carbon atoms, 15 hydrogen atoms, 1 nitrogen atom, 4 oxygen atoms and 1 sulfur atom. The monoisotopic mass is 377.0722 Da.

How many compounds have the formula C21H15NO4S?

CompoundList lists 23 compounds with the molecular formula C21H15NO4S, including 2-((1-(Naphthalen-1-yl)-2,5-dioxopyrrolidin-3-yl)thio)benzoic acid, 3-(3-Methyl-1-benzofuran-2-amido)-5-phenylthiophene-2-carboxylic acid, N-[2-(4-Methoxybenzoyl)-1-benzofuran-3-yl]thiophene-2-carboxamide. 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 C21H15NO4S?

C21H15NO4S has a degree of unsaturation of 15. 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.