Molecular formula

C₂₀H₂₁NO₅S

122 compounds have this formula on CompoundList.

Molar mass: 387.45g/mol
Monoisotopic mass: 387.1140Da
Atoms: 48
Elements: 5
Rings plus double bonds: 11

The formula C20H21NO5S describes a molecule made of 20 carbon atoms, 21 hydrogen atoms, 1 nitrogen atom, 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 × 2062.00%
12.011 × 20 = 240.220 g/mol
H Hydrogen × 215.46%
1.008 × 21 = 21.168 g/mol
N Nitrogen × 13.62%
14.007 × 1 = 14.007 g/mol
O Oxygen × 520.65%
15.999 × 5 = 79.995 g/mol
S Sulfur × 18.27%
32.06 × 1 = 32.060 g/mol

Look up another formula

Compounds with the formula C20H21NO5S

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

Showing 101 to 122 of 122 compounds

3-[1-(4-Ethyl-benzenesulfonyl)-5-methoxy-1H-indol-3-yl]-propionic acid

CAS 835620-08-1C₂₀H₂₁NO₅S

3-[5-Methoxy-1-(toluene-3-sulfonyl)-1H-indol-3-yl]-propionic acid methyl ester

CAS 835619-82-4C₂₀H₂₁NO₅S

4-[7-(Diethylamino)-4-methyl-2-oxo-2H-1-benzopyran-3-yl]benzene-1-sulfonic acid

CAS 102012-98-6C₂₀H₂₁NO₅S

3-[6-Ethoxy-1-(toluene-2-sulfonyl)-1H-indol-3-yl]-propionic acid

CAS 929255-07-2C₂₀H₂₁NO₅S

3-[5-Ethoxy-1-(toluene-2-sulfonyl)-1H-indol-3-yl]-propionic acid

CAS 929256-59-7C₂₀H₂₁NO₅S

2-Isopropyl-4-methoxy-5-(oxazol-4-yl)phenyl 4-methylbenzenesulfonate

CAS 865305-74-4C₂₀H₂₁NO₅S

Phenol-dronedarone

CAS 1278585-70-8C₂₀H₂₁NO₅S

2-(5-Ethyl-2-(4-methoxyphenyl)oxazol-4-yl)ethan-1-ol benzenesulfonate

CAS 1257641-16-9C₂₀H₂₁NO₅S

$6-Methoxy-9-methyl-12-(4-methylbenzenesulfonyl)-8-oxa-10-azatricyclo[7.3.1.0^{2,7}]trideca-2,4,6-trien-11-one chemical structure, C20H21NO5S, CAS 2415623-08-2$

6-Methoxy-9-methyl-12-(4-methylbenzenesulfonyl)-8-oxa-10-azatricyclo[7.3.1.0^{2,7}]trideca-2,4,6-trien-11-one

CAS 2415623-08-2C₂₀H₂₁NO₅S

N-[2-[5-(Furan-2-yl)thiophen-2-yl]ethyl]-2,3,4-trimethoxybenzamide

CAS 2741926-15-6C₂₀H₂₁NO₅S

N-Fmoc-S-(2-hydroxyethyl)-D-cysteine

CAS 1279032-60-8C₂₀H₂₁NO₅S

2-(3,4-Dimethoxyphenyl)-N-[2-(furan-3-yl)-2-hydroxy-2-(thiophen-2-yl)ethyl]acetamide

CAS 2415463-83-9C₂₀H₂₁NO₅S

2-(3,4-Dimethoxyphenyl)-N-{2-[4-(furan-2-yl)thiophen-2-yl]-2-hydroxyethyl}acetamide

CAS 2415490-81-0C₂₀H₂₁NO₅S

(9H-Fluoren-9-yl)methyl N-[3-(2-hydroxyethyl)-1,1-dioxo-1lambda6-thietan-3-yl]carbamate

CAS 2764002-57-3C₂₀H₂₁NO₅S

rac-(9H-Fluoren-9-yl)methyl N-[(3R,4R)-4-hydroxy-1,1-dioxo-1lambda6-thiolan-3-yl]-N-methylcarbamate

CAS 2763954-85-2C₂₀H₂₁NO₅S

(9H-Fluoren-9-yl)methyl N-[(3-hydroxy-1,1-dioxo-1lambda6-thiolan-3-yl)methyl]carbamate

CAS 2763925-31-9C₂₀H₂₁NO₅S

(9H-Fluoren-9-yl)methyl 2-(hydroxymethyl)-1,1-dioxo-1lambda6-thiomorpholine-4-carboxylate

CAS 2764004-37-5C₂₀H₂₁NO₅S

(9H-Fluoren-9-yl)methyl N-[3-(hydroxymethyl)-1,1-dioxo-1lambda6-thiolan-3-yl]carbamate

CAS 2763924-65-6C₂₀H₂₁NO₅S

(9H-Fluoren-9-yl)methyl 3-(hydroxymethyl)-1,1-dioxo-1lambda6-thiomorpholine-4-carboxylate

CAS 2764013-62-7C₂₀H₂₁NO₅S

4-((2-Oxo-1,2-dihydroquinolin-7-yl)oxy)butyl 4-methylbenzenesulfonate

CAS 1993450-33-1C₂₀H₂₁NO₅S

Duloxetine impurity F Oxalate

CAS 2379325-42-3C₂₀H₂₁NO₅S

(2S)-2-(9H-Fluoren-9-ylmethoxycarbonylamino)-4-[(S)-methylsulfinyl]butanoic acid

CAS 1544069-57-9C₂₀H₂₁NO₅S

Frequently asked questions

Still have a question?

The help centre explains buying, quotes and supplier badges step by step, or you can write to our team.

Help centre Contact us

What is the molar mass of C20H21NO5S?

The molar mass of C20H21NO5S is 387.45 g/mol, calculated from standard atomic weights for 20 carbon atoms, 21 hydrogen atoms, 1 nitrogen atom, 5 oxygen atoms and 1 sulfur atom. The monoisotopic mass is 387.1140 Da.

How many compounds have the formula C20H21NO5S?

CompoundList lists 122 compounds with the molecular formula C20H21NO5S, including 3-[1-(4-Ethyl-benzenesulfonyl)-5-methoxy-1H-indol-3-yl]-propionic acid, 3-[5-Methoxy-1-(toluene-3-sulfonyl)-1H-indol-3-yl]-propionic acid methyl ester, 4-[7-(Diethylamino)-4-methyl-2-oxo-2H-1-benzopyran-3-yl]benzene-1-sulfonic 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 C20H21NO5S?

C20H21NO5S 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.