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Molecular formula

C21H18ClNO4

26 compounds have this formula on CompoundList.

Molar mass
383.83g/mol
Monoisotopic mass
383.0924Da
Atoms
45
Elements
5
Rings plus double bonds
13

The formula C21H18ClNO4 describes a molecule made of 21 carbon atoms, 18 hydrogen atoms, 1 chlorine atom, 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 × 2165.71%
    12.011 × 21 = 252.231 g/mol
  • H Hydrogen × 184.73%
    1.008 × 18 = 18.144 g/mol
  • Cl Chlorine × 19.24%
    35.45 × 1 = 35.450 g/mol
  • N Nitrogen × 13.65%
    14.007 × 1 = 14.007 g/mol
  • O Oxygen × 416.67%
    15.999 × 4 = 63.996 g/mol
Look up another formula

Compounds with the formula C21H18ClNO4

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

Showing 1 to 26 of 26 compounds

Chelerythrine, chloride chemical structure, C21H18ClNO4, CAS 3895-92-9
Chelerythrine, chloride
CAS 3895-92-9C21H18ClNO4
Nitidine, chloride chemical structure, C21H18ClNO4, CAS 13063-04-2
Nitidine, chloride
CAS 13063-04-2C21H18ClNO4
Ethyl 4-[5-(3-chloro-2-methylphenyl)furan-2-amido]benzoate chemical structure, C21H18ClNO4, CAS 347335-78-8
Ethyl 4-[5-(3-chloro-2-methylphenyl)furan-2-amido]benzoate
CAS 347335-78-8C21H18ClNO4
Ethyl 2-((3-acetyl-6-chloro-4-phenylquinolin-2-yl)oxy)acetate chemical structure, C21H18ClNO4, CAS 6046-52-2
Ethyl 2-((3-acetyl-6-chloro-4-phenylquinolin-2-yl)oxy)acetate
CAS 6046-52-2C21H18ClNO4
N-Allyl-2-((3-(4-chlorophenyl)-2-methyl-4-oxo-4H-chromen-7-yl)oxy)acetamide chemical structure, C21H18ClNO4, CAS 929850-72-6
N-Allyl-2-((3-(4-chlorophenyl)-2-methyl-4-oxo-4H-chromen-7-yl)oxy)acetamide
CAS 929850-72-6C21H18ClNO4
Ethyl 4-(5-(4-chlorophenyl)-2-methylfuran-3-carboxamido)benzoate chemical structure, C21H18ClNO4, CAS 940997-00-2
Ethyl 4-(5-(4-chlorophenyl)-2-methylfuran-3-carboxamido)benzoate
CAS 940997-00-2C21H18ClNO4
2-[(8-Chloro-4-oxo-1,2,3,4-tetrahydrocyclopenta[c]chromen-7-yl)oxy]-N~1~-(4-methylphenyl)acetamide chemical structure, C21H18ClNO4, CAS 380539-58-2
2-[(8-Chloro-4-oxo-1,2,3,4-tetrahydrocyclopenta[c]chromen-7-yl)oxy]-N~1~-(4-methylphenyl)acetamide
CAS 380539-58-2C21H18ClNO4
3-{5-(4-Chlorophenyl)-1-[4-(methoxycarbonyl)phenyl]-1H-pyrrol-2-yl}propanoic acid chemical structure, C21H18ClNO4, CAS 693270-57-4
3-{5-(4-Chlorophenyl)-1-[4-(methoxycarbonyl)phenyl]-1H-pyrrol-2-yl}propanoic acid
CAS 693270-57-4C21H18ClNO4
Methyl 2-{3-[5-(4-chlorophenyl)-2-furyl]propanoylamino}benzoate chemical structure, C21H18ClNO4, CAS 924834-20-8
Methyl 2-{3-[5-(4-chlorophenyl)-2-furyl]propanoylamino}benzoate
CAS 924834-20-8C21H18ClNO4
Dimethyl 4-(2-chlorophenyl)-1-phenyl-1,4-dihydropyridine-3,5-dicarboxylate chemical structure, C21H18ClNO4, CAS 669736-05-4
Dimethyl 4-(2-chlorophenyl)-1-phenyl-1,4-dihydropyridine-3,5-dicarboxylate
CAS 669736-05-4C21H18ClNO4
1-Allyl-4-(4-chlorobenzoyl)-3-hydroxy-5-(4-methoxyphenyl)-1,5-dihydro-2H-pyrrol-2-one chemical structure, C21H18ClNO4, CAS 425626-49-9
1-Allyl-4-(4-chlorobenzoyl)-3-hydroxy-5-(4-methoxyphenyl)-1,5-dihydro-2H-pyrrol-2-one
CAS 425626-49-9C21H18ClNO4
Methyl 3-{2-[(4-chlorobenzyl)amino]-2-oxoethoxy}naphthalene-2-carboxylate chemical structure, C21H18ClNO4, CAS 24727-45-5
Methyl 3-{2-[(4-chlorobenzyl)amino]-2-oxoethoxy}naphthalene-2-carboxylate
CAS 24727-45-5C21H18ClNO4
N-[4-(4-Chlorophenoxy)phenyl]-3,4-dimethoxybenzamide chemical structure, C21H18ClNO4, CAS 347339-16-6
N-[4-(4-Chlorophenoxy)phenyl]-3,4-dimethoxybenzamide
CAS 347339-16-6C21H18ClNO4
N-(3-Chlorophenyl)-2-({7-methyl-4-oxo-1H,2H,3H,4H-cyclopenta[c]chromen-9-yl}oxy)acetamide chemical structure, C21H18ClNO4, CAS 379731-48-3
N-(3-Chlorophenyl)-2-({7-methyl-4-oxo-1H,2H,3H,4H-cyclopenta[c]chromen-9-yl}oxy)acetamide
CAS 379731-48-3C21H18ClNO4
N-(5-Chloro-2-phenoxyphenyl)-3,5-dimethoxybenzamide chemical structure, C21H18ClNO4, CAS 701273-39-4
N-(5-Chloro-2-phenoxyphenyl)-3,5-dimethoxybenzamide
CAS 701273-39-4C21H18ClNO4
Ethyl 4-chloro-3-{[(2-naphthyloxy)acetyl]amino}benzoate chemical structure, C21H18ClNO4, CAS 791842-08-5
Ethyl 4-chloro-3-{[(2-naphthyloxy)acetyl]amino}benzoate
CAS 791842-08-5C21H18ClNO4
2H-Pyran-5-carbonitrile, 4-(4-chlorophenyl)-2,2,3-trimethoxy-6-phenyl- chemical structure, C21H18ClNO4, CAS 61223-21-0
2H-Pyran-5-carbonitrile, 4-(4-chlorophenyl)-2,2,3-trimethoxy-6-phenyl-
CAS 61223-21-0C21H18ClNO4
1-[(Azulen-1-yl)methylidene]-2,3-dimethyl-1H-indolizin-4-ium perchlorate chemical structure, C21H18ClNO4, CAS 105600-71-3
1-[(Azulen-1-yl)methylidene]-2,3-dimethyl-1H-indolizin-4-ium perchlorate
CAS 105600-71-3C21H18ClNO4
1-[(10-Methylanthracen-9-yl)methyl]pyridin-1-ium perchlorate chemical structure, C21H18ClNO4, CAS 61865-04-1
1-[(10-Methylanthracen-9-yl)methyl]pyridin-1-ium perchlorate
CAS 61865-04-1C21H18ClNO4
1,3-Dioxo-2,3-dihydro-1H-isoindol-2-yl 1-[(3-chlorophenyl)methyl]cyclopentane-1-carboxylate chemical structure, C21H18ClNO4, CAS 2248363-83-7
1,3-Dioxo-2,3-dihydro-1H-isoindol-2-yl 1-[(3-chlorophenyl)methyl]cyclopentane-1-carboxylate
CAS 2248363-83-7C21H18ClNO4
rac-1,3-Dioxo-2,3-dihydro-1H-isoindol-2-yl (1R,2R)-2-(3-chlorophenyl)cyclohexane-1-carboxylate chemical structure, C21H18ClNO4, CAS 2248333-54-0
rac-1,3-Dioxo-2,3-dihydro-1H-isoindol-2-yl (1R,2R)-2-(3-chlorophenyl)cyclohexane-1-carboxylate
CAS 2248333-54-0C21H18ClNO4
1,3-Dioxo-2,3-dihydro-1H-isoindol-2-yl 2-(4-chlorophenyl)-2-cyclopentylacetate chemical structure, C21H18ClNO4, CAS 2248294-08-6
1,3-Dioxo-2,3-dihydro-1H-isoindol-2-yl 2-(4-chlorophenyl)-2-cyclopentylacetate
CAS 2248294-08-6C21H18ClNO4
1,3-Dioxo-2,3-dihydro-1H-isoindol-2-yl 1-[(4-chlorophenyl)methyl]cyclopentane-1-carboxylate chemical structure, C21H18ClNO4, CAS 2248415-30-5
1,3-Dioxo-2,3-dihydro-1H-isoindol-2-yl 1-[(4-chlorophenyl)methyl]cyclopentane-1-carboxylate
CAS 2248415-30-5C21H18ClNO4
1,3-Dioxo-2,3-dihydro-1H-isoindol-2-yl 1-(4-chlorophenyl)cyclohexane-1-carboxylate chemical structure, C21H18ClNO4, CAS 2248413-26-3
1,3-Dioxo-2,3-dihydro-1H-isoindol-2-yl 1-(4-chlorophenyl)cyclohexane-1-carboxylate
CAS 2248413-26-3C21H18ClNO4

Frequently asked questions

What is the molar mass of C21H18ClNO4?

The molar mass of C21H18ClNO4 is 383.83 g/mol, calculated from standard atomic weights for 21 carbon atoms, 18 hydrogen atoms, 1 chlorine atom, 1 nitrogen atom and 4 oxygen atoms. The monoisotopic mass is 383.0924 Da.

How many compounds have the formula C21H18ClNO4?

CompoundList lists 26 compounds with the molecular formula C21H18ClNO4, including Chelerythrine, chloride, Nitidine, chloride, Ethyl 4-[5-(3-chloro-2-methylphenyl)furan-2-amido]benzoate. 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 C21H18ClNO4?

C21H18ClNO4 has a degree of unsaturation of 13. 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.