Molecular formula

C₁₈H₁₅NO₄

321 compounds have this formula on CompoundList.

Molar mass: 309.32g/mol
Monoisotopic mass: 309.1001Da
Atoms: 38
Elements: 4
Rings plus double bonds: 12

The formula C18H15NO4 describes a molecule made of 18 carbon atoms, 15 hydrogen atoms, 1 nitrogen atom 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 × 1869.89%
12.011 × 18 = 216.198 g/mol
H Hydrogen × 154.89%
1.008 × 15 = 15.120 g/mol
N Nitrogen × 14.53%
14.007 × 1 = 14.007 g/mol
O Oxygen × 420.69%
15.999 × 4 = 63.996 g/mol

Look up another formula

Compounds with the formula C18H15NO4

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

Showing 301 to 321 of 321 compounds

1,3-Dioxo-2,3-dihydro-1H-isoindol-2-yl 4-(propan-2-yl)benzoate

CAS 2248362-08-3C₁₈H₁₅NO₄

1,3-Dioxo-2,3-dihydro-1H-isoindol-2-yl 2-(3,4-dimethylphenyl)acetate

CAS 2248276-94-8C₁₈H₁₅NO₄

1,3-Dioxo-2,3-dihydro-1H-isoindol-2-yl 1-(prop-2-yn-1-yl)cyclohex-3-ene-1-carboxylate

CAS 2248345-97-1C₁₈H₁₅NO₄

1,3-Dioxo-2,3-dihydro-1H-isoindol-2-yl 4-propylbenzoate

CAS 2248359-37-5C₁₈H₁₅NO₄

1,3-Dioxo-2,3-dihydro-1H-isoindol-2-yl 3-(3-methylphenyl)propanoate

CAS 2248331-80-6C₁₈H₁₅NO₄

1,3-Dioxo-2,3-dihydro-1H-isoindol-2-yl 3-(2-methylphenyl)propanoate

CAS 2248321-00-6C₁₈H₁₅NO₄

3-(3-{[(Benzyloxy)carbonyl]amino}prop-1-yn-1-yl)benzoic acid

CAS 2580217-57-6C₁₈H₁₅NO₄

4-(3-{[(Benzyloxy)carbonyl]amino}prop-1-yn-1-yl)benzoic acid

CAS 2580230-33-5C₁₈H₁₅NO₄

3-{[(Benzyloxy)carbonyl](prop-2-yn-1-yl)amino}benzoic acid

CAS 2639404-06-9C₁₈H₁₅NO₄

Benzyl N-(5,6-dihydroxynaphthalen-2-yl)carbamate

CAS 2680881-51-8C₁₈H₁₅NO₄

Benzyl N-(2-acetyl-1-benzofuran-3-yl)carbamate

CAS 2680849-08-3C₁₈H₁₅NO₄

1,3-Dioxo-2,3-dihydro-1H-isoindol-2-yl 2-(2-methylphenyl)propanoate

CAS 2140889-63-8C₁₈H₁₅NO₄

1,3-Dioxo-2,3-dihydro-1H-isoindol-2-yl 3-(propan-2-yl)benzoate

CAS 2248336-92-5C₁₈H₁₅NO₄

1,3-Dioxo-2,3-dihydro-1H-isoindol-2-yl 2-propylbenzoate

CAS 2226567-74-2C₁₈H₁₅NO₄

2-Oxo-2-(phenylamino)ethyl 2H-chromene-3-carboxylate

CAS 2424167-83-7C₁₈H₁₅NO₄

1-Benzyl 2-methyl 1H-indole-1,2-dicarboxylate

CAS 500771-32-4C₁₈H₁₅NO₄

1-Amino-2-(but-2-EN-1-yloxy)-4-hydroxyanthracene-9,10-dione

CAS 89586-80-1C₁₈H₁₅NO₄

5-(4-(4-Ethylphenoxy)phenyl)isoxazole-3-carboxylic acid

CAS 925001-22-5C₁₈H₁₅NO₄

6-(Benzyloxy)-4-methoxyquinoline-2-carboxylic acid

CAS 1881982-27-9C₁₈H₁₅NO₄

3-Acetyl-7-benzyloxy-indolizine-1-carboxylic acid

CAS 2688745-62-0C₁₈H₁₅NO₄

Ethyl 5-(4-phenoxyphenyl)oxazole-4-carboxylate

CAS 2696486-42-5C₁₈H₁₅NO₄

Frequently asked questions

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What is the molar mass of C18H15NO4?

The molar mass of C18H15NO4 is 309.32 g/mol, calculated from standard atomic weights for 18 carbon atoms, 15 hydrogen atoms, 1 nitrogen atom and 4 oxygen atoms. The monoisotopic mass is 309.1001 Da.

How many compounds have the formula C18H15NO4?

CompoundList lists 321 compounds with the molecular formula C18H15NO4, including 1,3-Dioxo-2,3-dihydro-1H-isoindol-2-yl 4-(propan-2-yl)benzoate, 1,3-Dioxo-2,3-dihydro-1H-isoindol-2-yl 2-(3,4-dimethylphenyl)acetate, 1,3-Dioxo-2,3-dihydro-1H-isoindol-2-yl 1-(prop-2-yn-1-yl)cyclohex-3-ene-1-carboxylate. 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 C18H15NO4?

C18H15NO4 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.