Molecular formula

C₂₀H₂₁NO₄S

122 compounds have this formula on CompoundList.

Molar mass: 371.45g/mol
Monoisotopic mass: 377.1329Da
Atoms: 47
Elements: 5
Rings plus double bonds: 11

The formula C20H21NO4S describes a molecule made of 20 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 × 2064.67%
12.011 × 20 = 240.220 g/mol
H Hydrogen × 215.70%
1.008 × 21 = 21.168 g/mol
N Nitrogen × 13.77%
14.007 × 1 = 14.007 g/mol
O Oxygen × 417.23%
15.999 × 4 = 63.996 g/mol
S Sulfur × 18.63%
32.06 × 1 = 32.060 g/mol

Look up another formula

Compounds with the formula C20H21NO4S

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

Showing 101 to 122 of 122 compounds

2-Methylquinolin-8-yl 2-methoxy-5-(propan-2-yl)benzene-1-sulfonate

CAS 893668-86-5C₂₀H₂₁NO₄S

N-[2-Methoxy-2-(3-methoxyphenyl)ethyl]naphthalene-1-sulfonamide

CAS 1797558-08-7C₂₀H₂₁NO₄S

N-(1-(Benzofuran-2-yl)propan-2-yl)-3-(phenylsulfonyl)propanamide

CAS 2034419-15-1C₂₀H₂₁NO₄S

2H-1,4-Benzothiazine, 3,4-dihydro-4-ethyl-2-phenyl-, hydroxybutanedioate (1:1)

CAS 83523-65-3C₂₀H₂₁NO₄S

2-Phenyl-N-{spiro[1,3-dioxaindane-2,1'-cyclohexan]-6-yl}ethene-1-sulfonamide

CAS 1090005-75-6C₂₀H₂₁NO₄S

Ethyl 3-(4-methylbenzylsulfonyl)indol-1-ylacetate

CAS 1346559-93-0C₂₀H₂₁NO₄S

(S)-2-((((9H-Fluoren-9-yl)methoxy)carbonyl)amino)-3-mercapto-3-methylbutanoic acid

CAS 132930-71-3C₂₀H₂₁NO₄S

(2S)-3-(Ethylsulfanyl)-2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)propanoic acid

CAS 1821768-73-3C₂₀H₂₁NO₄S

6-[3-[(Tetrahydro-2H-pyran-4-yl)oxy]phenyl]-6-(3-thienyl)-2,4-piperidinedione

CAS 1809892-41-8C₂₀H₂₁NO₄S

2-(2,3-Dihydro-1,4-benzodioxine-6-sulfonyl)-6-phenyl-2-azaspiro[3.3]heptane

CAS 2379970-87-1C₂₀H₂₁NO₄S

2-{[3-({[(9H-Fluoren-9-yl)methoxy]carbonyl}amino)propyl]sulfanyl}acetic acid

CAS 2138096-97-4C₂₀H₂₁NO₄S

Ethyl 2-(1-tosyl-1,2-dihydroquinolin-4-yl)acetate

CAS 76059-54-6C₂₀H₂₁NO₄S

Diethyl (diphenylcarbamothioyl)propanedioate

CAS 875876-94-1C₂₀H₂₁NO₄S

2-({[(9H-Fluoren-9-yl)methoxy]carbonyl}amino)-2-methyl-3-(methylsulfanyl)propanoic acid

CAS 2284222-42-8C₂₀H₂₁NO₄S

2-({[(9H-Fluoren-9-yl)methoxy]carbonyl}[2-(methylsulfanyl)ethyl]amino)acetic acid

CAS 171856-10-3C₂₀H₂₁NO₄S

3-[(Benzyloxy)carbonyl]-2-(2-phenylethyl)-1,3-thiazolidine-4-carboxylic acid

CAS 2580181-37-7C₂₀H₂₁NO₄S

3-[(Benzyloxy)carbonyl]-2-(2,4-dimethylphenyl)-1,3-thiazolidine-4-carboxylic acid

CAS 2580178-32-9C₂₀H₂₁NO₄S

(9H-Fluoren-9-yl)methyl N-[2-(prop-2-ene-1-sulfonyl)ethyl]carbamate

CAS 2770533-54-3C₂₀H₂₁NO₄S

(2S)-3-[4-(Benzylsulfanyl)phenyl]-2-{[(prop-2-en-1-yloxy)carbonyl]amino}propanoic acid

CAS 2913177-09-8C₂₀H₂₁NO₄S

Methyl (((9H-fluoren-9-yl)methoxy)carbonyl)-L-homocysteinate

CAS 685863-40-5C₂₀H₂₁NO₄S

(2S,3R)-2-((((9H-Fluoren-9-yl)methoxy)carbonyl)amino)-3-methoxybutanethioic S-acid

CAS 2395751-27-4C₂₀H₂₁NO₄S

L-Methionine-N-Fmoc (Methyl-13C, 99%)

CAS 2483735-39-1C₂₀H₂₁NO₄S

Frequently asked questions

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What is the molar mass of C20H21NO4S?

The molar mass of C20H21NO4S is 371.45 g/mol, calculated from standard atomic weights for 20 carbon atoms, 21 hydrogen atoms, 1 nitrogen atom, 4 oxygen atoms and 1 sulfur atom. The monoisotopic mass is 377.1329 Da.

How many compounds have the formula C20H21NO4S?

CompoundList lists 122 compounds with the molecular formula C20H21NO4S, including 2-Methylquinolin-8-yl 2-methoxy-5-(propan-2-yl)benzene-1-sulfonate, N-[2-Methoxy-2-(3-methoxyphenyl)ethyl]naphthalene-1-sulfonamide, N-(1-(Benzofuran-2-yl)propan-2-yl)-3-(phenylsulfonyl)propanamide. 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 C20H21NO4S?

C20H21NO4S has a degree of unsaturation of 11. 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.