Molecular formula

C₁₈H₂₁BrN₂O₃S

35 compounds have this formula on CompoundList.

Molar mass: 425.34g/mol
Monoisotopic mass: 424.0456Da
Atoms: 46
Elements: 6
Rings plus double bonds: 9

The formula C18H21BrN2O3S describes a molecule made of 18 carbon atoms, 21 hydrogen atoms, 1 bromine atom, 2 nitrogen atoms, 3 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 × 1850.83%
12.011 × 18 = 216.198 g/mol
H Hydrogen × 214.98%
1.008 × 21 = 21.168 g/mol
Br Bromine × 118.79%
79.904 × 1 = 79.904 g/mol
N Nitrogen × 26.59%
14.007 × 2 = 28.014 g/mol
O Oxygen × 311.28%
15.999 × 3 = 47.997 g/mol
S Sulfur × 17.54%
32.06 × 1 = 32.060 g/mol

Look up another formula

Compounds with the formula C18H21BrN2O3S

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

Showing 1 to 35 of 35 compounds

1-Benzyl-4-[(4-bromo-3-methoxyphenyl)sulfonyl]piperazine

CAS 714210-89-6C₁₈H₂₁BrN₂O₃S

2-[(4-Bromophenyl)sulfonyl-methylamino]-N-(3-phenylpropyl)acetamide

CAS 832105-15-4C₁₈H₂₁BrN₂O₃S

1-(4-Bromophenyl)sulfonyl-4-(2-ethoxyphenyl)piperazine

CAS 398997-03-0C₁₈H₂₁BrN₂O₃S

4-Bromo-2-[[4-(4-methylphenyl)sulfonylpiperazin-1-yl]methyl]phenol

CAS 439939-62-5C₁₈H₂₁BrN₂O₃S

2-Bromo-N-(1-(2-methoxyethyl)-1,2,3,4-tetrahydroquinolin-7-yl)benzenesulfonamide

CAS 1172494-96-0C₁₈H₂₁BrN₂O₃S

1-((4-Bromo-5-methoxy-2-methylphenyl)sulfonyl)-4-phenylpiperazine

CAS 898650-79-8C₁₈H₂₁BrN₂O₃S

1-Benzyl-4-(5-bromo-2-methoxyphenyl)sulfonylpiperazine

CAS 325809-72-1C₁₈H₂₁BrN₂O₃S

1-(5-Bromo-2-ethoxyphenyl)sulfonyl-4-phenylpiperazine

CAS 400064-71-3C₁₈H₂₁BrN₂O₃S

N-(4-Bromo-3-methylphenyl)-2-(3,4-dimethyl-N-methylsulfonylanilino)acetamide

CAS 335211-54-6C₁₈H₂₁BrN₂O₃S

1-(4-Bromo-3-methoxybenzenesulfonyl)-4-(2-methylphenyl)piperazine

CAS 825608-91-1C₁₈H₂₁BrN₂O₃S

1-(2-Bromobenzyl)-4-[(4-methoxyphenyl)sulfonyl]piperazine

CAS 425391-07-7C₁₈H₂₁BrN₂O₃S

1-[(3-Bromophenyl)methyl]-4-(4-methoxyphenyl)sulfonylpiperazine

CAS 428851-52-9C₁₈H₂₁BrN₂O₃S

1-(4-Bromo-3-ethoxyphenyl)sulfonyl-4-phenylpiperazine

CAS 833442-31-2C₁₈H₂₁BrN₂O₃S

1-(3-Bromo-4-methoxybenzyl)-4-(phenylsulfonyl)piperazine

CAS 423740-20-9C₁₈H₂₁BrN₂O₃S

1-(4-Bromobenzyl)-4-[(4-methoxyphenyl)sulfonyl]piperazine

CAS 425392-03-6C₁₈H₂₁BrN₂O₃S

N-(4-Bromophenyl)-2-[4-isopropyl(methylsulfonyl)anilino]acetamide

CAS 333321-70-3C₁₈H₂₁BrN₂O₃S

2-(4-Bromophenyl)-N-[4-(tert-butylsulfamoyl)phenyl]acetamide

CAS 636994-17-7C₁₈H₂₁BrN₂O₃S

3-Bromo-N-[4-(tert-butylsulfamoyl)phenyl]-4-methylbenzamide

CAS 651298-91-8C₁₈H₂₁BrN₂O₃S

2-[3-Bromo(methylsulfonyl)anilino]-N-(4-isopropylphenyl)acetamide

CAS 335415-84-4C₁₈H₂₁BrN₂O₃S

2-(4-Bromophenyl)-N-[4-(butylsulfamoyl)phenyl]acetamide

CAS 600137-13-1C₁₈H₂₁BrN₂O₃S

1-(5-Bromo-2-methoxy-4-methylbenzenesulfonyl)-4-phenylpiperazine

CAS 853903-14-7C₁₈H₂₁BrN₂O₃S

1-[(4-Bromophenyl)sulfonyl]-4-(4-methoxybenzyl)piperazine

CAS 897546-00-8C₁₈H₂₁BrN₂O₃S

1-[(4-Bromo-3-methylphenyl)sulfonyl]-4-(2-methoxyphenyl)piperazine

CAS 1095825-47-0C₁₈H₂₁BrN₂O₃S

2-(4-Bromo-N-methylsulfonylanilino)-N-(2-propan-2-ylphenyl)acetamide

CAS 693807-76-0C₁₈H₂₁BrN₂O₃S

Frequently asked questions

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What is the molar mass of C18H21BrN2O3S?

The molar mass of C18H21BrN2O3S is 425.34 g/mol, calculated from standard atomic weights for 18 carbon atoms, 21 hydrogen atoms, 1 bromine atom, 2 nitrogen atoms, 3 oxygen atoms and 1 sulfur atom. The monoisotopic mass is 424.0456 Da.

How many compounds have the formula C18H21BrN2O3S?

CompoundList lists 35 compounds with the molecular formula C18H21BrN2O3S, including 1-Benzyl-4-[(4-bromo-3-methoxyphenyl)sulfonyl]piperazine, 2-[(4-Bromophenyl)sulfonyl-methylamino]-N-(3-phenylpropyl)acetamide, 1-(4-Bromophenyl)sulfonyl-4-(2-ethoxyphenyl)piperazine. 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 C18H21BrN2O3S?

C18H21BrN2O3S has a degree of unsaturation of 9. 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.