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Molecular formula

C21H20ClNO5

39 compounds have this formula on CompoundList.

Molar mass
401.84g/mol
Monoisotopic mass
401.1030Da
Atoms
48
Elements
5
Rings plus double bonds
12

The formula C21H20ClNO5 describes a molecule made of 21 carbon atoms, 20 hydrogen atoms, 1 chlorine atom, 1 nitrogen atom and 5 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 × 2162.77%
    12.011 × 21 = 252.231 g/mol
  • H Hydrogen × 205.02%
    1.008 × 20 = 20.160 g/mol
  • Cl Chlorine × 18.82%
    35.45 × 1 = 35.450 g/mol
  • N Nitrogen × 13.49%
    14.007 × 1 = 14.007 g/mol
  • O Oxygen × 519.91%
    15.999 × 5 = 79.995 g/mol
Look up another formula

Compounds with the formula C21H20ClNO5

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

Showing 1 to 39 of 39 compounds

Asenapine maleate chemical structure, C21H20ClNO5, CAS 85650-56-2
Asenapine maleate
CAS 85650-56-2C21H20ClNO5
Alvocidib chemical structure, C21H20ClNO5, CAS 146426-40-6
Alvocidib
CAS 146426-40-6C21H20ClNO5
2-(2-Chlorophenyl)-5,7-dihydroxy-8-((2R,3S)-2-(hydroxymethyl)-1-methylpyrrolidin-3-yl)chromen-4-one chemical structure, C21H20ClNO5, CAS 647019-54-3
2-(2-Chlorophenyl)-5,7-dihydroxy-8-((2R,3S)-2-(hydroxymethyl)-1-methylpyrrolidin-3-yl)chromen-4-one
CAS 647019-54-3C21H20ClNO5
Riviciclib chemical structure, C21H20ClNO5, CAS 920113-02-6
Riviciclib
CAS 920113-02-6C21H20ClNO5
Dimethyl 4-[5-(4-chlorophenyl)-2-furyl]-2,6-dimethyl-1,4-dihydropyridine-3,5-dicarboxylate chemical structure, C21H20ClNO5, CAS 117210-68-1
Dimethyl 4-[5-(4-chlorophenyl)-2-furyl]-2,6-dimethyl-1,4-dihydropyridine-3,5-dicarboxylate
CAS 117210-68-1C21H20ClNO5
cis-5-Chloro-2,3,3a,12b-tetrahydro-2-methyl-1H-dibenz[2,3:6,7]oxepino[4,5-c]pyrrole maleate chemical structure, C21H20ClNO5, CAS 85650-55-1
cis-5-Chloro-2,3,3a,12b-tetrahydro-2-methyl-1H-dibenz[2,3:6,7]oxepino[4,5-c]pyrrole maleate
CAS 85650-55-1C21H20ClNO5
Dimethyl 4-[5-(2-chlorophenyl)furan-2-yl]-2,6-dimethyl-1,4-dihydropyridine-3,5-dicarboxylate chemical structure, C21H20ClNO5, CAS 136565-34-9
Dimethyl 4-[5-(2-chlorophenyl)furan-2-yl]-2,6-dimethyl-1,4-dihydropyridine-3,5-dicarboxylate
CAS 136565-34-9C21H20ClNO5
2-(2-Chlorophenyl)-5,7-dihydroxy-8-(3-hydroxy-1-methylpiperidin-4-yl)chromen-4-one chemical structure, C21H20ClNO5, CAS 810696-13-0
2-(2-Chlorophenyl)-5,7-dihydroxy-8-(3-hydroxy-1-methylpiperidin-4-yl)chromen-4-one
CAS 810696-13-0C21H20ClNO5
N-(2-Chlorobenzyl)-2-(7,8-dimethoxy-4-methyl-2-oxo-2H-chromen-3-yl)acetamide chemical structure, C21H20ClNO5, CAS 853898-11-0
N-(2-Chlorobenzyl)-2-(7,8-dimethoxy-4-methyl-2-oxo-2H-chromen-3-yl)acetamide
CAS 853898-11-0C21H20ClNO5
(R,R)-Asenapine maleate chemical structure, C21H20ClNO5, CAS 135883-16-8
(R,R)-Asenapine maleate
CAS 135883-16-8C21H20ClNO5
1-Methoxyberberium chemical structure, C21H20ClNO5, CAS 29133-52-6
1-Methoxyberberium
CAS 29133-52-6C21H20ClNO5
Dimethyl 4-(5-(3-chlorophenyl)furan-2-yl)-2,6-dimethyl-1,4-dihydropyridine-3,5-dicarboxylate chemical structure, C21H20ClNO5, CAS 372976-49-3
Dimethyl 4-(5-(3-chlorophenyl)furan-2-yl)-2,6-dimethyl-1,4-dihydropyridine-3,5-dicarboxylate
CAS 372976-49-3C21H20ClNO5
2-(3-Chlorophenyl)-4-hydroxy-3-(5-methylfuran-2-carbonyl)-1-(oxolan-2-ylmethyl)-2H-pyrrol-5-one chemical structure, C21H20ClNO5, CAS 618373-88-9
2-(3-Chlorophenyl)-4-hydroxy-3-(5-methylfuran-2-carbonyl)-1-(oxolan-2-ylmethyl)-2H-pyrrol-5-one
CAS 618373-88-9C21H20ClNO5
4-(4-Chlorobenzoyl)-3-hydroxy-5-(4-hydroxyphenyl)-1-(3-methoxypropyl)-2,5-dihydro-1H-pyrrol-2-one chemical structure, C21H20ClNO5, CAS 433262-40-9
4-(4-Chlorobenzoyl)-3-hydroxy-5-(4-hydroxyphenyl)-1-(3-methoxypropyl)-2,5-dihydro-1H-pyrrol-2-one
CAS 433262-40-9C21H20ClNO5
(E)-4-Chloro-2-(3-(2-methoxyphenyl)acryloyl)phenyl morpholine-4-carboxylate chemical structure, C21H20ClNO5, CAS 433325-52-1
(E)-4-Chloro-2-(3-(2-methoxyphenyl)acryloyl)phenyl morpholine-4-carboxylate
CAS 433325-52-1C21H20ClNO5
1-(4-Chlorophenyl)-1-oxopropan-2-yl 1-(3-methoxyphenyl)-5-oxopyrrolidine-3-carboxylate chemical structure, C21H20ClNO5, CAS 847478-70-0
1-(4-Chlorophenyl)-1-oxopropan-2-yl 1-(3-methoxyphenyl)-5-oxopyrrolidine-3-carboxylate
CAS 847478-70-0C21H20ClNO5
(E)-2-(3-(2-Chlorophenyl)acryloyl)-5-methoxyphenyl morpholine-4-carboxylate chemical structure, C21H20ClNO5, CAS 637746-71-5
(E)-2-(3-(2-Chlorophenyl)acryloyl)-5-methoxyphenyl morpholine-4-carboxylate
CAS 637746-71-5C21H20ClNO5
2-[4-Chloro-2-(1,8-dioxo-2,3,4,5,6,7,9,10-octahydroacridin-9-yl)phenoxy]acetic acid chemical structure, C21H20ClNO5, CAS 665007-07-8
2-[4-Chloro-2-(1,8-dioxo-2,3,4,5,6,7,9,10-octahydroacridin-9-yl)phenoxy]acetic acid
CAS 665007-07-8C21H20ClNO5
2-(4-Chlorophenyl)-2-oxoethyl 1-(4-ethoxyphenyl)-5-oxopyrrolidine-3-carboxylate chemical structure, C21H20ClNO5, CAS 345367-44-4
2-(4-Chlorophenyl)-2-oxoethyl 1-(4-ethoxyphenyl)-5-oxopyrrolidine-3-carboxylate
CAS 345367-44-4C21H20ClNO5
1,3-Diethyl 2-{[(2-benzoyl-4-chlorophenyl)amino]methylidene}propanedioate chemical structure, C21H20ClNO5, CAS 128832-34-8
1,3-Diethyl 2-{[(2-benzoyl-4-chlorophenyl)amino]methylidene}propanedioate
CAS 128832-34-8C21H20ClNO5
(4E)-4-[(4-Chlorophenyl)(hydroxy)methylidene]-1-(2-methoxyethyl)-5-(3-methoxyphenyl)pyrrolidine-2,3-dione chemical structure, C21H20ClNO5, CAS 433325-97-4
(4E)-4-[(4-Chlorophenyl)(hydroxy)methylidene]-1-(2-methoxyethyl)-5-(3-methoxyphenyl)pyrrolidine-2,3-dione
CAS 433325-97-4C21H20ClNO5
4-[2-(5-Chloro-2-methoxyphenyl)-2-oxoethyl]-2-(propan-2-yl)-1,4-benzoxazepine-3,5(2H,4H)-dione chemical structure, C21H20ClNO5, CAS 904011-44-5
4-[2-(5-Chloro-2-methoxyphenyl)-2-oxoethyl]-2-(propan-2-yl)-1,4-benzoxazepine-3,5(2H,4H)-dione
CAS 904011-44-5C21H20ClNO5
4-[2-(3-Chloro-4-ethoxyphenyl)-2-oxoethyl]-2-ethyl-1,4-benzoxazepine-3,5(2H,4H)-dione chemical structure, C21H20ClNO5, CAS 903585-97-7
4-[2-(3-Chloro-4-ethoxyphenyl)-2-oxoethyl]-2-ethyl-1,4-benzoxazepine-3,5(2H,4H)-dione
CAS 903585-97-7C21H20ClNO5
(4E)-4-[(4-Chlorophenyl)(hydroxy)methylidene]-1-(2-methoxyethyl)-5-(4-methoxyphenyl)pyrrolidine-2,3-dione chemical structure, C21H20ClNO5, CAS 384376-16-3
(4E)-4-[(4-Chlorophenyl)(hydroxy)methylidene]-1-(2-methoxyethyl)-5-(4-methoxyphenyl)pyrrolidine-2,3-dione
CAS 384376-16-3C21H20ClNO5

Frequently asked questions

What is the molar mass of C21H20ClNO5?

The molar mass of C21H20ClNO5 is 401.84 g/mol, calculated from standard atomic weights for 21 carbon atoms, 20 hydrogen atoms, 1 chlorine atom, 1 nitrogen atom and 5 oxygen atoms. The monoisotopic mass is 401.1030 Da.

How many compounds have the formula C21H20ClNO5?

CompoundList lists 39 compounds with the molecular formula C21H20ClNO5, including Asenapine maleate, Alvocidib, 2-(2-Chlorophenyl)-5,7-dihydroxy-8-((2R,3S)-2-(hydroxymethyl)-1-methylpyrrolidin-3-yl)chromen-4-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 C21H20ClNO5?

C21H20ClNO5 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.