Molecular formula

C₁₈H₂₁BrN₂O₄

17 compounds have this formula on CompoundList.

Molar mass: 409.28g/mol
Monoisotopic mass: 408.0685Da
Atoms: 46
Elements: 5
Rings plus double bonds: 9

The formula C18H21BrN2O4 describes a molecule made of 18 carbon atoms, 21 hydrogen atoms, 1 bromine atom, 2 nitrogen atoms and 4 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 × 1852.82%
12.011 × 18 = 216.198 g/mol
H Hydrogen × 215.17%
1.008 × 21 = 21.168 g/mol
Br Bromine × 119.52%
79.904 × 1 = 79.904 g/mol
N Nitrogen × 26.84%
14.007 × 2 = 28.014 g/mol
O Oxygen × 415.64%
15.999 × 4 = 63.996 g/mol

Look up another formula

Compounds with the formula C18H21BrN2O4

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

Showing 1 to 17 of 17 compounds

1-[2-(4-Ethoxyphenyl)-2-oxoethyl]-4-[(2-hydroxyethyl)carbamoyl]pyridin-1-ium bromide

CAS 479351-78-5C₁₈H₂₁BrN₂O₄

N-(5-Bromopyridin-2-yl)-3,4,5-triethoxybenzamide

CAS 329196-39-6C₁₈H₂₁BrN₂O₄

5-Bromo-N-(2-(3-methoxyphenyl)-2-morpholinoethyl)furan-2-carboxamide

CAS 942010-53-9C₁₈H₂₁BrN₂O₄

5-Bromo-N-(2-(4-methoxyphenyl)-2-morpholinoethyl)furan-2-carboxamide

CAS 941896-86-2C₁₈H₂₁BrN₂O₄

Cyclopentyl 4-(3-bromo-4-methoxyphenyl)-6-methyl-2-oxo-1,2,3,4-tetrahydropyrimidine-5-carboxylate

CAS 302561-39-3C₁₈H₂₁BrN₂O₄

Ethyl 8-bromo-2-((tert-butoxycarbonyl)amino)-3H-benzo[b]azepine-4-carboxylate

CAS 926927-57-3C₁₈H₂₁BrN₂O₄

3-(2-Bromo-2-ethylbutanoyl)-5-ethyl-6-hydroxy-5-phenylpyrimidine-2,4(3H,5H)-dione

CAS 66942-12-9C₁₈H₂₁BrN₂O₄

Ethyl 1-[1-(3-bromophenyl)-2,5-dioxopyrrolidin-3-yl]piperidine-4-carboxylate

CAS 331759-69-4C₁₈H₂₁BrN₂O₄

2-(2-Bromo-4-{[(2-hydroxy-2-phenylethyl)amino]methyl}-6-methoxyphenoxy)acetamide

CAS 847504-83-0C₁₈H₂₁BrN₂O₄

3-Bromo-4,8-dimethyl-7-[2-(4-methylpiperazino)-2-oxoethoxy]-2H-chromen-2-one

CAS 903866-05-7C₁₈H₂₁BrN₂O₄

Ethyl 1-[1-(4-bromophenyl)-2,5-dioxopyrrolidin-3-yl]piperidine-4-carboxylate

CAS 331759-67-2C₁₈H₂₁BrN₂O₄

2,2'-(Ethane-1,2-diyldiazanediyl)bis(phenylacetic acid)--hydrogen bromide (1/1)

CAS 7597-25-3C₁₈H₂₁BrN₂O₄

4-{1-[3-(2-Bromophenyl)propanoyl]piperidin-4-yl}morpholine-3,5-dione

CAS 2034390-19-5C₁₈H₂₁BrN₂O₄

8-(1-Bromoethyl)-N,N-dimethyl-2-morpholino-4-oxo-4H-chromene-6-carboxamide

CAS 1296939-56-4C₁₈H₂₁BrN₂O₄

tert-Butyl 3-bromo-4-oxo-2-(pyridin-4-yl)-1-oxa-8-azaspiro[4.5]dec-2-ene-8-carboxylate

CAS 1043903-15-6C₁₈H₂₁BrN₂O₄

Phthalimidinoglutarimide-C3-O-C2-Br

CAS 2940941-44-4C₁₈H₂₁BrN₂O₄

1-((2-(2-Bromo-6-methoxyphenyl)-5-methyloxazol-4-yl)methyl)piperidine-4-carboxylic acid

CAS 2111834-55-8C₁₈H₂₁BrN₂O₄

Frequently asked questions

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What is the molar mass of C18H21BrN2O4?

The molar mass of C18H21BrN2O4 is 409.28 g/mol, calculated from standard atomic weights for 18 carbon atoms, 21 hydrogen atoms, 1 bromine atom, 2 nitrogen atoms and 4 oxygen atoms. The monoisotopic mass is 408.0685 Da.

How many compounds have the formula C18H21BrN2O4?

CompoundList lists 17 compounds with the molecular formula C18H21BrN2O4, including 1-[2-(4-Ethoxyphenyl)-2-oxoethyl]-4-[(2-hydroxyethyl)carbamoyl]pyridin-1-ium bromide, N-(5-Bromopyridin-2-yl)-3,4,5-triethoxybenzamide, 5-Bromo-N-(2-(3-methoxyphenyl)-2-morpholinoethyl)furan-2-carboxamide. 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 C18H21BrN2O4?

C18H21BrN2O4 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.