Molecular formula

C₁₈H₁₁ClN₂O₂

18 compounds have this formula on CompoundList.

Molar mass: 322.75g/mol
Monoisotopic mass: 322.0509Da
Atoms: 34
Elements: 5
Rings plus double bonds: 14

The formula C18H11ClN2O2 describes a molecule made of 18 carbon atoms, 11 hydrogen atoms, 1 chlorine atom, 2 nitrogen atoms and 2 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 × 1866.99%
12.011 × 18 = 216.198 g/mol
H Hydrogen × 113.44%
1.008 × 11 = 11.088 g/mol
Cl Chlorine × 110.98%
35.45 × 1 = 35.450 g/mol
N Nitrogen × 28.68%
14.007 × 2 = 28.014 g/mol
O Oxygen × 29.91%
15.999 × 2 = 31.998 g/mol

Look up another formula

Compounds with the formula C18H11ClN2O2

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

Showing 1 to 18 of 18 compounds

4-(4-Chlorophenoxy)-6-phenylfuro[2,3-d]pyrimidine

CAS 672925-52-9C₁₈H₁₁ClN₂O₂

3-(4-Chlorophenyl)-2-(furan-2-yl)quinazolin-4-one

CAS 63314-19-2C₁₈H₁₁ClN₂O₂

6-Chloro-2-(6-methyl-2-pyridinyl)-1H-benzo[de]isoquinoline-1,3(2H)-dione

CAS 328016-19-9C₁₈H₁₁ClN₂O₂

6-(5-Chloro-2-hydroxyphenyl)-2-oxo-4-phenyl-1H-pyridine-3-carbonitrile

CAS 254902-10-8C₁₈H₁₁ClN₂O₂

N-[(2-Chloro-3-quinolyl)methyl]phthalimide

CAS 307966-32-1C₁₈H₁₁ClN₂O₂

Pyrrolo[3,4-c]pyrrole-1,4-dione, 3-(4-chlorophenyl)-2,5-dihydro-6-phenyl-

CAS 88949-37-5C₁₈H₁₁ClN₂O₂

4-Chloro-N-(3-cyano-5-phenylfuran-2-yl)benzamide

CAS 453589-94-1C₁₈H₁₁ClN₂O₂

3-Chloro-N-(3-cyano-5-phenylfuran-2-yl)benzamide

CAS 453589-96-3C₁₈H₁₁ClN₂O₂

3-(2-Chlorophenyl)-2-(furan-2-yl)quinazolin-4(3H)-one

CAS 62820-55-7C₁₈H₁₁ClN₂O₂

6-Chloro-2-(4-pyridinylmethyl)-1H-benz[de]isoquinoline-1,3(2H)-dione

CAS 353262-80-3C₁₈H₁₁ClN₂O₂

2-(8-Chloro-2-methylquinolin-5-yl)-1H-isoindole-1,3(2H)-dione

CAS 64485-41-2C₁₈H₁₁ClN₂O₂

5-Chloro-1-(quinolin-4-yl)-1H-indole-3-carboxylic acid

CAS 649551-03-1C₁₈H₁₁ClN₂O₂

6-Amino-2-(2-chlorophenyl)-1H-benz(de)isoquinoline-1,3(2H)-dione

CAS 66715-69-3C₁₈H₁₁ClN₂O₂

1-(5-Chloro-1H-indol-3-yl)-2-(1H-indol-3-yl)ethane-1,2-dione

CAS 200124-39-6C₁₈H₁₁ClN₂O₂

4-(4-Chloro-5-phenyl-furo[2,3-d]pyrimidin-6-yl)-phenol

CAS 866183-29-1C₁₈H₁₁ClN₂O₂

2-Chloro-10-oxido-8-phenylphenazin-5-ium 5-oxide

CAS 6968-40-7C₁₈H₁₁ClN₂O₂

3-Chloro-4-phenyl-4H-cyclopenta[C]cinnoline-1-carboxylic acid

CAS 65533-82-6C₁₈H₁₁ClN₂O₂

2-(1,3-Dioxoindan-2-ylidene)-2-((2-chloro-6-methylphenyl)amino)ethanenitrile

CAS 1023883-24-0C₁₈H₁₁ClN₂O₂

Frequently asked questions

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What is the molar mass of C18H11ClN2O2?

The molar mass of C18H11ClN2O2 is 322.75 g/mol, calculated from standard atomic weights for 18 carbon atoms, 11 hydrogen atoms, 1 chlorine atom, 2 nitrogen atoms and 2 oxygen atoms. The monoisotopic mass is 322.0509 Da.

How many compounds have the formula C18H11ClN2O2?

CompoundList lists 18 compounds with the molecular formula C18H11ClN2O2, including 4-(4-Chlorophenoxy)-6-phenylfuro[2,3-d]pyrimidine, 3-(4-Chlorophenyl)-2-(furan-2-yl)quinazolin-4-one, 6-Chloro-2-(6-methyl-2-pyridinyl)-1H-benzo[de]isoquinoline-1,3(2H)-dione. 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 C18H11ClN2O2?

C18H11ClN2O2 has a degree of unsaturation of 14. 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.