Molecular formula

C₂₁H₂₅NO₂S

19 compounds have this formula on CompoundList.

Molar mass: 355.50g/mol
Monoisotopic mass: 355.1606Da
Atoms: 50
Elements: 5
Rings plus double bonds: 10

The formula C21H25NO2S describes a molecule made of 21 carbon atoms, 25 hydrogen atoms, 1 nitrogen atom, 2 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 × 2170.95%
12.011 × 21 = 252.231 g/mol
H Hydrogen × 257.09%
1.008 × 25 = 25.200 g/mol
N Nitrogen × 13.94%
14.007 × 1 = 14.007 g/mol
O Oxygen × 29.00%
15.999 × 2 = 31.998 g/mol
S Sulfur × 19.02%
32.06 × 1 = 32.060 g/mol

Look up another formula

Compounds with the formula C21H25NO2S

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

Showing 1 to 19 of 19 compounds

RefChem:792610

CAS 349087-34-9C₂₁H₂₅NO₂S

3-Pyridinecarboxylic acid, 6-((5,6,7,8-tetrahydro-3,5,5,8,8-pentamethyl-2-naphthalenyl)thio)-

CAS 173156-98-4C₂₁H₂₅NO₂S

2-[(4-Cyclohexylphenyl)sulfonyl]-1,2,3,4-tetrahydroisoquinoline

CAS 496015-64-6C₂₁H₂₅NO₂S

N-Cyclopropyl-4-phenyl-N-(2-(thiophen-2-yl)ethyl)tetrahydro-2H-pyran-4-carboxamide

CAS 1396853-75-0C₂₁H₂₅NO₂S

(R)-1-(2-(Benzhydrylthio)ethyl)piperidine-3-carboxylic acid hydrochloride

CAS 908802-70-0C₂₁H₂₅NO₂S

1-[(4-Cyclohexylphenyl)sulfonyl]-2-methylindoline

CAS 702651-11-4C₂₁H₂₅NO₂S

2-(Benzylthio)-N-((4-phenyltetrahydro-2H-pyran-4-yl)methyl)acetamide

CAS 1207001-84-0C₂₁H₂₅NO₂S

(2-Benzylmorpholino)(1-(thiophen-2-yl)cyclopentyl)methanone

CAS 1421474-17-0C₂₁H₂₅NO₂S

(E)-N-(2-Hydroxy-2-methyl-4-phenylbutyl)-3-(4-(methylthio)phenyl)acrylamide

CAS 1799258-68-6C₂₁H₂₅NO₂S

(2-Ethoxynaphthalen-1-yl)((1R,5S)-3-(methylthio)-8-azabicyclo[3.2.1]octan-8-yl)methanone

CAS 1788773-93-2C₂₁H₂₅NO₂S

N-((1-(5-(1-Hydroxyethyl)thiophen-2-yl)cyclopentyl)methyl)cinnamamide

CAS 2035004-14-7C₂₁H₂₅NO₂S

Ethyl 4-(2-(4-tolylsulfanyl)phenyl)-piperidin-1-carboxylate

CAS 960151-85-3C₂₁H₂₅NO₂S

6-(1,3-Benzothiazol-2(3H)-ylidene)-3-(octyloxy)cyclohexa-2,4-dien-1-one

CAS 4409-15-8C₂₁H₂₅NO₂S

1-[2-(4-Methylbenzene-1-sulfonyl)-2-(4-methylphenyl)ethenyl]piperidine

CAS 88017-59-8C₂₁H₂₅NO₂S

N-(2,2-Diethoxyethyl)-1-(1,4-dimethyldibenzothiophen-2-yl)methanimine

CAS 21339-67-3C₂₁H₂₅NO₂S

7-[5-(Pent-1-EN-1-yl)thiophen-2-yl]-7-(pyridin-3-yl)hept-6-enoic acid

CAS 89901-50-8C₂₁H₂₅NO₂S

N,4-Dimethyl-N-(1-phenylhept-2-yn-1-yl)benzene-1-sulfonamide

CAS 757977-39-2C₂₁H₂₅NO₂S

6-(2,3,3-Trimethyl-5-(thiophen-2-yl)-3H-indol-1-ium-1-yl)hexanoate

CAS 911318-55-3C₂₁H₂₅NO₂S

7-(4-Methoxybenzyl)-9-phenyl-3-thia-7-azabicyclo[3.3.1]nonan-9-ol

CAS 95680-38-9C₂₁H₂₅NO₂S

Frequently asked questions

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What is the molar mass of C21H25NO2S?

The molar mass of C21H25NO2S is 355.50 g/mol, calculated from standard atomic weights for 21 carbon atoms, 25 hydrogen atoms, 1 nitrogen atom, 2 oxygen atoms and 1 sulfur atom. The monoisotopic mass is 355.1606 Da.

How many compounds have the formula C21H25NO2S?

CompoundList lists 19 compounds with the molecular formula C21H25NO2S, including RefChem:792610, 3-Pyridinecarboxylic acid, 6-((5,6,7,8-tetrahydro-3,5,5,8,8-pentamethyl-2-naphthalenyl)thio)-, 2-[(4-Cyclohexylphenyl)sulfonyl]-1,2,3,4-tetrahydroisoquinoline. 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 C21H25NO2S?

C21H25NO2S has a degree of unsaturation of 10. 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.