Molecular formula

C₂₁H₁₈BrNO₃

26 compounds have this formula on CompoundList.

Molar mass: 412.28g/mol
Monoisotopic mass: 411.0470Da
Atoms: 44
Elements: 5
Rings plus double bonds: 13

The formula C21H18BrNO3 describes a molecule made of 21 carbon atoms, 18 hydrogen atoms, 1 bromine atom, 1 nitrogen atom and 3 oxygen atoms. 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 × 2161.18%
12.011 × 21 = 252.231 g/mol
H Hydrogen × 184.40%
1.008 × 18 = 18.144 g/mol
Br Bromine × 119.38%
79.904 × 1 = 79.904 g/mol
N Nitrogen × 13.40%
14.007 × 1 = 14.007 g/mol
O Oxygen × 311.64%
15.999 × 3 = 47.997 g/mol

Look up another formula

Compounds with the formula C21H18BrNO3

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

Showing 1 to 26 of 26 compounds

rel-1-((3aR,4S,9bS)-4-(6-Bromo-1,3-benzodioxol-5-yl)-3a,4,5,9b-tetrahydro-3H-cyclopenta(c)quinolin-8-yl)ethanone

CAS 881639-98-1C₂₁H₁₈BrNO₃

3-[1-(4-Acetylphenyl)-5-(4-bromophenyl)-1H-pyrrol-2-yl]propanoic acid

CAS 693805-55-9C₂₁H₁₈BrNO₃

3-[1-(3-Acetylphenyl)-5-(4-bromophenyl)-1H-pyrrol-2-yl]propanoic acid

CAS 693265-10-0C₂₁H₁₈BrNO₃

G 1 (gper agonist), (3aR,4S,9bS)-

CAS 925419-55-2C₂₁H₁₈BrNO₃

4-(3-Bromo-4,5-dimethoxyphenyl)-3,4-dihydrobenzo[h]quinolin-2(1H)-one

CAS 297157-74-5C₂₁H₁₈BrNO₃

6-Bromo-4-(2,4-dimethoxyphenyl)-3,4-dihydrobenzo[h]quinolin-2(1H)-one

CAS 297157-85-8C₂₁H₁₈BrNO₃

4-(2-Bromo-4,5-dimethoxyphenyl)-3,4-dihydrobenzo[h]quinolin-2(1H)-one

CAS 329065-99-8C₂₁H₁₈BrNO₃

5-Bromo-3-hydroxy-3-(1-oxo-3,4-dihydro-2H-naphthalen-2-yl)-1-prop-2-enylindol-2-one

CAS 717835-61-5C₂₁H₁₈BrNO₃

1-[(4R)-4-(6-Bromo-2H-1,3-benzodioxol-5-yl)-3a,4,5,9b-tetrahydro-3H-cyclopenta[c]quinolin-8-yl]ethan-1-one

CAS 925420-28-6C₂₁H₁₈BrNO₃

2-(2-Bromo-4-methylphenoxy)-N-(4-phenoxyphenyl)acetamide

CAS 431984-71-3C₂₁H₁₈BrNO₃

2-(4-Bromophenyl)-2-oxoethyl 4-(2,5-dimethyl-1H-pyrrol-1-yl)benzoate

CAS 328285-16-1C₂₁H₁₈BrNO₃

Cyclohepta(b)-1,3-dioxolo(4,5-f)indole, 5,6,7,8,9,10-hexahydro-5-(p-bromobenzoyl)-

CAS 50332-33-7C₂₁H₁₈BrNO₃

Cyclohepta(b)-1,3-dioxolo(4,5-f)indole, 5,6,7,8,9,10-hexahydro-5-(m-bromobenzoyl)-

CAS 50332-34-8C₂₁H₁₈BrNO₃

N-(3-Bromophenyl)-4-[(3-methoxyphenoxy)methyl]benzamide

CAS 514816-74-1C₂₁H₁₈BrNO₃

2-[trans-1-(4-Bromophenyl)-3-cyclopropyl-3-hydroxycyclobutyl]-1H-isoindole-1,3(2H)-dione

CAS 1199557-06-6C₂₁H₁₈BrNO₃

Methyl 3-[(3-bromonaphthalene-1-carbonyl)amino]-2,4-dimethyl-benzoate

CAS 1529761-41-8C₂₁H₁₈BrNO₃

3-[(3-Bromophenoxy)methyl]-N-(3-methoxyphenyl)benzamide

CAS 495386-29-3C₂₁H₁₈BrNO₃

4-[(4-Bromophenoxy)methyl]-N-(2-methoxyphenyl)benzamide

CAS 692288-60-1C₂₁H₁₈BrNO₃

3-(4-Bromo-3-methylphenyl)-3,4,8,9-tetrahydro-2H-cyclopenta[3,4]chromeno[8,7-e][1,3]oxazin-6(7H)-one

CAS 847855-89-4C₂₁H₁₈BrNO₃

5-Bromo-2-hydroxy-N-[3-(2-phenylethoxy)phenyl]benzamide

CAS 648924-43-0C₂₁H₁₈BrNO₃

Phenyl 3-amino-4-bromo-2-methyl-6-(phenylmethoxy)benzoate

CAS 1254343-83-3C₂₁H₁₈BrNO₃

4-[Bis(4-methoxyphenyl)amino]-2-bromobenzaldehyde

CAS 664375-74-0C₂₁H₁₈BrNO₃

Benzyl N-{4-[(4-bromophenoxy)methyl]phenyl}carbamate

CAS 2680698-75-1C₂₁H₁₈BrNO₃

Benzyl N-[4-(benzyloxy)-3-bromophenyl]carbamate

CAS 2680866-33-3C₂₁H₁₈BrNO₃

Frequently asked questions

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What is the molar mass of C21H18BrNO3?

The molar mass of C21H18BrNO3 is 412.28 g/mol, calculated from standard atomic weights for 21 carbon atoms, 18 hydrogen atoms, 1 bromine atom, 1 nitrogen atom and 3 oxygen atoms. The monoisotopic mass is 411.0470 Da.

How many compounds have the formula C21H18BrNO3?

CompoundList lists 26 compounds with the molecular formula C21H18BrNO3, including rel-1-((3aR,4S,9bS)-4-(6-Bromo-1,3-benzodioxol-5-yl)-3a,4,5,9b-tetrahydro-3H-cyclopenta(c)quinolin-8-yl)ethanone, 3-[1-(4-Acetylphenyl)-5-(4-bromophenyl)-1H-pyrrol-2-yl]propanoic acid, 3-[1-(3-Acetylphenyl)-5-(4-bromophenyl)-1H-pyrrol-2-yl]propanoic 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 C21H18BrNO3?

C21H18BrNO3 has a degree of unsaturation of 13. 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.