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Molecular formula

C18H21BN2O3

13 compounds have this formula on CompoundList.

Molar mass
324.19g/mol
Monoisotopic mass
324.1645Da
Atoms
45
Elements
5

The formula C18H21BN2O3 describes a molecule made of 18 carbon atoms, 21 hydrogen atoms, 1 boron atom, 2 nitrogen atoms 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 × 1866.69%
    12.011 × 18 = 216.198 g/mol
  • H Hydrogen × 216.53%
    1.008 × 21 = 21.168 g/mol
  • B Boron × 13.33%
    10.81 × 1 = 10.810 g/mol
  • N Nitrogen × 28.64%
    14.007 × 2 = 28.014 g/mol
  • O Oxygen × 314.81%
    15.999 × 3 = 47.997 g/mol
Look up another formula

Compounds with the formula C18H21BN2O3

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

Showing 1 to 13 of 13 compounds

N-2-Pyridinyl-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)benzamide chemical structure, C18H21BN2O3, CAS 1383385-64-5
N-2-Pyridinyl-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)benzamide
CAS 1383385-64-5C18H21BN2O3
N-(3-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)picolinamide chemical structure, C18H21BN2O3, CAS 1610521-45-3
N-(3-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)picolinamide
CAS 1610521-45-3C18H21BN2O3
N-(4-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)picolinamide chemical structure, C18H21BN2O3, CAS 1542209-30-2
N-(4-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)picolinamide
CAS 1542209-30-2C18H21BN2O3
N-(Pyridin-4-yl)-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)benzamide chemical structure, C18H21BN2O3, CAS 864759-38-6
N-(Pyridin-4-yl)-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)benzamide
CAS 864759-38-6C18H21BN2O3
2-(Benzamido)pyridine-4-boronic acid pinacol ester chemical structure, C18H21BN2O3, CAS 2096336-47-7
2-(Benzamido)pyridine-4-boronic acid pinacol ester
CAS 2096336-47-7C18H21BN2O3
N-(5-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)pyridin-3-yl)benzamide chemical structure, C18H21BN2O3, CAS 1400668-12-3
N-(5-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)pyridin-3-yl)benzamide
CAS 1400668-12-3C18H21BN2O3
N-(Pyridin-4-yl)-3-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)benzamide chemical structure, C18H21BN2O3, CAS 1374324-55-6
N-(Pyridin-4-yl)-3-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)benzamide
CAS 1374324-55-6C18H21BN2O3
N-(5-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)pyridin-2-yl)benzamide chemical structure, C18H21BN2O3, CAS 1201644-44-1
N-(5-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)pyridin-2-yl)benzamide
CAS 1201644-44-1C18H21BN2O3
N-(3-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)isonicotinamide chemical structure, C18H21BN2O3, CAS 1374545-56-8
N-(3-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)isonicotinamide
CAS 1374545-56-8C18H21BN2O3
N-(Pyridin-3-yl)-3-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)benzamide chemical structure, C18H21BN2O3, CAS 1374325-85-5
N-(Pyridin-3-yl)-3-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)benzamide
CAS 1374325-85-5C18H21BN2O3
N-(3-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)nicotinamide chemical structure, C18H21BN2O3, CAS 2057448-36-7
N-(3-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)nicotinamide
CAS 2057448-36-7C18H21BN2O3
N-(4-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)nicotinamide chemical structure, C18H21BN2O3, CAS 2246563-01-7
N-(4-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)nicotinamide
CAS 2246563-01-7C18H21BN2O3
N-2-Pyridinyl-3-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)benzamide chemical structure, C18H21BN2O3, CAS 2180911-29-7
N-2-Pyridinyl-3-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)benzamide
CAS 2180911-29-7C18H21BN2O3

Frequently asked questions

What is the molar mass of C18H21BN2O3?

The molar mass of C18H21BN2O3 is 324.19 g/mol, calculated from standard atomic weights for 18 carbon atoms, 21 hydrogen atoms, 1 boron atom, 2 nitrogen atoms and 3 oxygen atoms. The monoisotopic mass is 324.1645 Da.

How many compounds have the formula C18H21BN2O3?

CompoundList lists 13 compounds with the molecular formula C18H21BN2O3, including N-2-Pyridinyl-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)benzamide, N-(3-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)picolinamide, N-(4-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)picolinamide. Compounds that share a formula are isomers. They contain the same atoms arranged differently, so their properties, uses and prices can be very different.