Molecular formula

C₁₈H₁₃ClO₃

25 compounds have this formula on CompoundList.

Molar mass: 312.75g/mol
Monoisotopic mass: 312.0553Da
Atoms: 35
Elements: 4
Rings plus double bonds: 12

The formula C18H13ClO3 describes a molecule made of 18 carbon atoms, 13 hydrogen atoms, 1 chlorine 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 × 1869.13%
12.011 × 18 = 216.198 g/mol
H Hydrogen × 134.19%
1.008 × 13 = 13.104 g/mol
Cl Chlorine × 111.33%
35.45 × 1 = 35.450 g/mol
O Oxygen × 315.35%
15.999 × 3 = 47.997 g/mol

Look up another formula

Compounds with the formula C18H13ClO3

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

Showing 1 to 25 of 25 compounds

2-Naphthyl (4-chlorophenoxy)acetate

CAS 303794-73-2C₁₈H₁₃ClO₃

3-(2-Chlorophenyl)-7-prop-2-enoxychromen-4-one

CAS 369396-24-7C₁₈H₁₃ClO₃

(3E)-5-(4-Chlorophenyl)-3-(2-methoxybenzylidene)furan-2(3H)-one

CAS 340225-77-6C₁₈H₁₃ClO₃

Naphthalen-1-yl (4-chlorophenoxy)acetate

CAS 433319-39-2C₁₈H₁₃ClO₃

3-(2-Chlorobenzyloxy)naphthalene-1-carboxylic acid

CAS 1195902-02-3C₁₈H₁₃ClO₃

4-Chlorobenzyl 3-hydroxy-2-naphthoate

CAS 474913-42-3C₁₈H₁₃ClO₃

Benzoic acid, 3-chloro-4-(2-naphthalenylmethoxy)-

CAS 833484-98-3C₁₈H₁₃ClO₃

2-Methylphenyl 5-(2-chlorophenyl)-2-furoate

CAS 199457-72-2C₁₈H₁₃ClO₃

5-Indanacetic acid, 2-(p-chlorobenzylidene)-3-oxo-

CAS 71861-14-8C₁₈H₁₃ClO₃

2-Propenoic acid, 3-(3-(3-(4-chlorophenyl)-1-oxo-2-propenyl)phenyl)-, (E,E)-

CAS 82885-69-6C₁₈H₁₃ClO₃

6-(Benzyloxy)-5-chloro-2-naphthoic acid

CAS 2764729-71-5C₁₈H₁₃ClO₃

3-[[(3-Chloro-2-naphthalenyl)oxy]methyl]benzoic acid

CAS 2492595-79-4C₁₈H₁₃ClO₃

2H-Pyran-2-one, 4-benzoyl-3-(4-chlorophenyl)-5,6-dihydro-

CAS 870002-32-7C₁₈H₁₃ClO₃

Methanone, [5-(4-chlorophenyl)-2-furanyl](4-methoxyphenyl)-

CAS 59835-50-6C₁₈H₁₃ClO₃

4-[3-(3-Chlorophenyl)acryloyl]phenyl prop-2-enoate

CAS 678174-59-9C₁₈H₁₃ClO₃

9-Chloro-7,11-dimethyl-6H,7H-[1]benzopyrano[3,2-c][1]benzopyran-6-one

CAS 101875-80-3C₁₈H₁₃ClO₃

1-(2-Chlorophenyl)-4-methoxy-2-naphthalenecarboxylic acid

CAS 5162-05-0C₁₈H₁₃ClO₃

3-[(1E)-2-(4-Chlorophenyl)ethenyl]-5-methoxy-4H-chromen-4-one

CAS 652968-69-9C₁₈H₁₃ClO₃

4H-1-Benzopyran-8-carbonyl chloride,3-ethyl-4-oxo-2-phenyl-

CAS 6608-29-3C₁₈H₁₃ClO₃

3-Benzoyl-1-(4-chlorophenyl)pent-2-ene-1,4-dione

CAS 89201-24-1C₁₈H₁₃ClO₃

5-(Benzyloxy)-8-chloro-2-methylnaphthalene-1,4-dione

CAS 89475-08-1C₁₈H₁₃ClO₃

8-(Benzyloxy)-5-chloro-6-methylnaphthalene-1,4-dione

CAS 89475-19-4C₁₈H₁₃ClO₃

6-Chloro-11-hydroxy-1,2,3,4-tetrahydrotetracene-5,12-dione

CAS 89564-27-2C₁₈H₁₃ClO₃

(E)-3-(4-Chlorostyryl)-5-methoxy-4H-chromen-4-one

C₁₈H₁₃ClO₃

1-((4-Chlorobenzyl)oxy)-2-naphthoic acid
1052500-63-6C₁₈H₁₃ClO₃

Frequently asked questions

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What is the molar mass of C18H13ClO3?

The molar mass of C18H13ClO3 is 312.75 g/mol, calculated from standard atomic weights for 18 carbon atoms, 13 hydrogen atoms, 1 chlorine atom and 3 oxygen atoms. The monoisotopic mass is 312.0553 Da.

How many compounds have the formula C18H13ClO3?

CompoundList lists 25 compounds with the molecular formula C18H13ClO3, including 2-Naphthyl (4-chlorophenoxy)acetate, 3-(2-Chlorophenyl)-7-prop-2-enoxychromen-4-one, (3E)-5-(4-Chlorophenyl)-3-(2-methoxybenzylidene)furan-2(3H)-one. 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 C18H13ClO3?

C18H13ClO3 has a degree of unsaturation of 12. 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.