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Molecular formula

C21H21NO4S

115 compounds have this formula on CompoundList.

Molar mass
383.46g/mol
Monoisotopic mass
383.1191Da
Atoms
48
Elements
5
Rings plus double bonds
12

The formula C21H21NO4S describes a molecule made of 21 carbon atoms, 21 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 × 2165.78%
    12.011 × 21 = 252.231 g/mol
  • H Hydrogen × 215.52%
    1.008 × 21 = 21.168 g/mol
  • N Nitrogen × 13.65%
    14.007 × 1 = 14.007 g/mol
  • O Oxygen × 416.69%
    15.999 × 4 = 63.996 g/mol
  • S Sulfur × 18.36%
    32.06 × 1 = 32.060 g/mol
Look up another formula

Compounds with the formula C21H21NO4S

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

Showing 101 to 115 of 115 compounds

N-Benzyl-4-hydroxy-N-[(4-methoxyphenyl)methyl]benzene-1-sulfonamide chemical structure, C21H21NO4S, CAS 1881295-41-5
N-Benzyl-4-hydroxy-N-[(4-methoxyphenyl)methyl]benzene-1-sulfonamide
CAS 1881295-41-5C21H21NO4S
3-[({[(9H-Fluoren-9-yl)methoxy]carbonyl}amino)methyl]thiolane-3-carboxylic acid chemical structure, C21H21NO4S, CAS 2138393-66-3
3-[({[(9H-Fluoren-9-yl)methoxy]carbonyl}amino)methyl]thiolane-3-carboxylic acid
CAS 2138393-66-3C21H21NO4S
2-(3-{[(9H-Fluoren-9-yl)methoxy]carbonyl}-2-methyl-1,3-thiazolidin-4-yl)acetic acid chemical structure, C21H21NO4S, CAS 2138239-29-7
2-(3-{[(9H-Fluoren-9-yl)methoxy]carbonyl}-2-methyl-1,3-thiazolidin-4-yl)acetic acid
CAS 2138239-29-7C21H21NO4S
1,3-Dioxo-2,3-dihydro-1H-isoindol-2-yl 2-{[(4-tert-butylphenyl)methyl]sulfanyl}acetate chemical structure, C21H21NO4S, CAS 2248391-39-9
1,3-Dioxo-2,3-dihydro-1H-isoindol-2-yl 2-{[(4-tert-butylphenyl)methyl]sulfanyl}acetate
CAS 2248391-39-9C21H21NO4S
4-{[(9H-Fluoren-9-yl)methoxy]carbonyl}-5-methylthiomorpholine-3-carboxylic acid chemical structure, C21H21NO4S, CAS 2219371-27-2
4-{[(9H-Fluoren-9-yl)methoxy]carbonyl}-5-methylthiomorpholine-3-carboxylic acid
CAS 2219371-27-2C21H21NO4S
1,3-Dioxo-2,3-dihydro-1H-isoindol-2-yl 5-tert-butyl-4,5,6,7-tetrahydro-1-benzothiophene-2-carboxylate chemical structure, C21H21NO4S, CAS 2248337-17-7
1,3-Dioxo-2,3-dihydro-1H-isoindol-2-yl 5-tert-butyl-4,5,6,7-tetrahydro-1-benzothiophene-2-carboxylate
CAS 2248337-17-7C21H21NO4S
2-{[(Benzyloxy)carbonyl]amino}-6-tert-butyl-1-benzothiophene-3-carboxylic acid chemical structure, C21H21NO4S, CAS 2639420-56-5
2-{[(Benzyloxy)carbonyl]amino}-6-tert-butyl-1-benzothiophene-3-carboxylic acid
CAS 2639420-56-5C21H21NO4S
4-{[(9H-Fluoren-9-yl)methoxy]carbonyl}-1,4-thiazepane-6-carboxylic acid chemical structure, C21H21NO4S, CAS 2137687-33-1
4-{[(9H-Fluoren-9-yl)methoxy]carbonyl}-1,4-thiazepane-6-carboxylic acid
CAS 2137687-33-1C21H21NO4S
1-{[(9H-Fluoren-9-yl)methoxy]carbonyl}-3-[(methylsulfanyl)methyl]azetidine-3-carboxylic acid chemical structure, C21H21NO4S, CAS 2913421-60-8
1-{[(9H-Fluoren-9-yl)methoxy]carbonyl}-3-[(methylsulfanyl)methyl]azetidine-3-carboxylic acid
CAS 2913421-60-8C21H21NO4S
N-Cyclohexyl-N-methyl-9,10-dioxo-9,10-dihydroanthracene-2-sulfonamide chemical structure, C21H21NO4S, CAS 3054610-67-9
N-Cyclohexyl-N-methyl-9,10-dioxo-9,10-dihydroanthracene-2-sulfonamide
CAS 3054610-67-9C21H21NO4S
N-(2-Methylcyclohexyl)-9,10-dioxo-9,10-dihydroanthracene-2-sulfonamide chemical structure, C21H21NO4S, CAS 3054416-81-5
N-(2-Methylcyclohexyl)-9,10-dioxo-9,10-dihydroanthracene-2-sulfonamide
CAS 3054416-81-5C21H21NO4S
L-Cysteine, N-[(9H-fluoren-9-ylmethoxy)carbonyl]-S-2-propen-1-yl- chemical structure, C21H21NO4S, CAS 1418147-51-9
L-Cysteine, N-[(9H-fluoren-9-ylmethoxy)carbonyl]-S-2-propen-1-yl-
CAS 1418147-51-9C21H21NO4S
N-Bis(4-methoxyphenyl)-2-(thiophen-2-yl)-DL-glycine chemical structure, C21H21NO4S, CAS 1255098-62-4
N-Bis(4-methoxyphenyl)-2-(thiophen-2-yl)-DL-glycine
CAS 1255098-62-4C21H21NO4S
Benzhydryl(2S,3R,5R)-3-hydroxymethyl-3-methyl-7-oxo-4-thia-1-aza-bicyclo[3.2.0]heptane-2-carboxylate chemical structure, C21H21NO4S
Benzhydryl(2S,3R,5R)-3-hydroxymethyl-3-methyl-7-oxo-4-thia-1-aza-bicyclo[3.2.0]heptane-2-carboxylate
C21H21NO4S
Benzhydryl (3R)-3-(hydroxymethyl)-3-methyl-7-oxo-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylate chemical structure, C21H21NO4S
Benzhydryl (3R)-3-(hydroxymethyl)-3-methyl-7-oxo-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylate
C21H21NO4S

Frequently asked questions

What is the molar mass of C21H21NO4S?

The molar mass of C21H21NO4S is 383.46 g/mol, calculated from standard atomic weights for 21 carbon atoms, 21 hydrogen atoms, 1 nitrogen atom, 4 oxygen atoms and 1 sulfur atom. The monoisotopic mass is 383.1191 Da.

How many compounds have the formula C21H21NO4S?

CompoundList lists 115 compounds with the molecular formula C21H21NO4S, including N-Benzyl-4-hydroxy-N-[(4-methoxyphenyl)methyl]benzene-1-sulfonamide, 3-[({[(9H-Fluoren-9-yl)methoxy]carbonyl}amino)methyl]thiolane-3-carboxylic acid, 2-(3-{[(9H-Fluoren-9-yl)methoxy]carbonyl}-2-methyl-1,3-thiazolidin-4-yl)acetic acid. 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 C21H21NO4S?

C21H21NO4S has a degree of unsaturation of 12. 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.