CompoundList
Molecular formula

C21H28ClNO3

51 compounds have this formula on CompoundList.

Molar mass
377.91g/mol
Monoisotopic mass
384.2197Da
Atoms
54
Elements
5
Rings plus double bonds
8

The formula C21H28ClNO3 describes a molecule made of 21 carbon atoms, 28 hydrogen atoms, 1 chlorine atom, 1 nitrogen 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 × 2166.74%
    12.011 × 21 = 252.231 g/mol
  • H Hydrogen × 287.47%
    1.008 × 28 = 28.224 g/mol
  • Cl Chlorine × 19.38%
    35.45 × 1 = 35.450 g/mol
  • N Nitrogen × 13.71%
    14.007 × 1 = 14.007 g/mol
  • O Oxygen × 312.70%
    15.999 × 3 = 47.997 g/mol
Look up another formula

Compounds with the formula C21H28ClNO3

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

Showing 1 to 51 of 51 compounds

Propafenone hydrochloride chemical structure, C21H28ClNO3, CAS 34183-22-7
Propafenone hydrochloride
CAS 34183-22-7C21H28ClNO3
Propafenone-(phenyl-d5) (hydrochloride) chemical structure, C21H28ClNO3, CAS 93909-48-9
Propafenone-(phenyl-d5) (hydrochloride)
CAS 93909-48-9C21H28ClNO3
Ro 63-1908 chemical structure, C21H28ClNO3, CAS 193356-17-1
Ro 63-1908
CAS 193356-17-1C21H28ClNO3
3-(Diethylamino)propyl hydroxy(diphenyl)acetate--hydrogen chloride (1/1) chemical structure, C21H28ClNO3, CAS 55066-59-6
3-(Diethylamino)propyl hydroxy(diphenyl)acetate--hydrogen chloride (1/1)
CAS 55066-59-6C21H28ClNO3
(S)-(-)-Propafenone hydrochloride chemical structure, C21H28ClNO3, CAS 107381-36-2
(S)-(-)-Propafenone hydrochloride
CAS 107381-36-2C21H28ClNO3
Benzenepropanoic acid, beta-hydroxy-beta-phenyl-, 2-(diethylamino)ethyl ester, hydrochloride chemical structure, C21H28ClNO3, CAS 53421-38-8
Benzenepropanoic acid, beta-hydroxy-beta-phenyl-, 2-(diethylamino)ethyl ester, hydrochloride
CAS 53421-38-8C21H28ClNO3
Acetic acid, 2,2-diphenyl-2-methoxy-, (2-(diethylamino)ethyl) ester, hydrochloride chemical structure, C21H28ClNO3, CAS 1984-88-9
Acetic acid, 2,2-diphenyl-2-methoxy-, (2-(diethylamino)ethyl) ester, hydrochloride
CAS 1984-88-9C21H28ClNO3
(3R)-5-(5-Chloro-2-hexyl-1-methylindol-3-yl)-3-methyl-5-oxopentanoic acid chemical structure, C21H28ClNO3, CAS 1254320-43-8
(3R)-5-(5-Chloro-2-hexyl-1-methylindol-3-yl)-3-methyl-5-oxopentanoic acid
CAS 1254320-43-8C21H28ClNO3
Benapryzine hydrochloride chemical structure, C21H28ClNO3, CAS 3202-55-9
Benapryzine hydrochloride
CAS 3202-55-9C21H28ClNO3
Propafenone (D7 hydrochloride) chemical structure, C21H28ClNO3, CAS 1219799-06-0
Propafenone (D7 hydrochloride)
CAS 1219799-06-0C21H28ClNO3
N-Decyl-2-oxo-6-chloromethyl-2H-1-benzopyran-3-carboxamide chemical structure, C21H28ClNO3, CAS 1027991-55-4
N-Decyl-2-oxo-6-chloromethyl-2H-1-benzopyran-3-carboxamide
CAS 1027991-55-4C21H28ClNO3
Propafenone-d5 hydrochloride chemical structure, C21H28ClNO3, CAS 1346605-05-7
Propafenone-d5 hydrochloride
CAS 1346605-05-7C21H28ClNO3
(r)-(+)-Propafenone hydrochloride chemical structure, C21H28ClNO3, CAS 107381-35-1
(r)-(+)-Propafenone hydrochloride
CAS 107381-35-1C21H28ClNO3
1-[(4-Isopropylphenoxy)methyl]-6,7-dimethoxy-1,2,3,4-tetrahydroisoquinoline hydrochloride chemical structure, C21H28ClNO3, CAS 1216854-09-9
1-[(4-Isopropylphenoxy)methyl]-6,7-dimethoxy-1,2,3,4-tetrahydroisoquinoline hydrochloride
CAS 1216854-09-9C21H28ClNO3
Ammonium, (2-benziloyloxyethyl)diethylmethyl-, chloride chemical structure, C21H28ClNO3, CAS 1166-85-4
Ammonium, (2-benziloyloxyethyl)diethylmethyl-, chloride
CAS 1166-85-4C21H28ClNO3
2,2-Diphenyl-2-propoxyacetic acid 2-(dimethylamino)ethyl ester hydrochloride chemical structure, C21H28ClNO3, CAS 2424-76-2
2,2-Diphenyl-2-propoxyacetic acid 2-(dimethylamino)ethyl ester hydrochloride
CAS 2424-76-2C21H28ClNO3
(±)-Propafenone-d5 HCl (n-propyl-2,2,3,3,3-d5) chemical structure, C21H28ClNO3, CAS 1398066-02-8
(±)-Propafenone-d5 HCl (n-propyl-2,2,3,3,3-d5)
CAS 1398066-02-8C21H28ClNO3
2-(Diethylamino)ethyl (4-methoxyphenyl)(phenyl)acetate--hydrogen chloride (1/1) chemical structure, C21H28ClNO3, CAS 3668-48-2
2-(Diethylamino)ethyl (4-methoxyphenyl)(phenyl)acetate--hydrogen chloride (1/1)
CAS 3668-48-2C21H28ClNO3
(RS)-2-(2-Hydroxy-3-isopropylaminopropoxy)-4,6-dimethylbenzophenone hydrochloride chemical structure, C21H28ClNO3, CAS 62261-89-6
(RS)-2-(2-Hydroxy-3-isopropylaminopropoxy)-4,6-dimethylbenzophenone hydrochloride
CAS 62261-89-6C21H28ClNO3
2-(Diethylamino)-1-methylethyl alpha-hydroxy-alpha-phenylbenzeneacetate hydrochloride chemical structure, C21H28ClNO3, CAS 10503-18-1
2-(Diethylamino)-1-methylethyl alpha-hydroxy-alpha-phenylbenzeneacetate hydrochloride
CAS 10503-18-1C21H28ClNO3
1-([1,1'-Biphenyl]-4-yloxy)-3-(2,6-dimethylmorpholino)propan-2-ol hydrochloride chemical structure, C21H28ClNO3, CAS 1217836-23-1
1-([1,1'-Biphenyl]-4-yloxy)-3-(2,6-dimethylmorpholino)propan-2-ol hydrochloride
CAS 1217836-23-1C21H28ClNO3
Ammonium, (2-benziloyloxyethyl)dimethylisopropyl-, chloride chemical structure, C21H28ClNO3, CAS 64048-33-5
Ammonium, (2-benziloyloxyethyl)dimethylisopropyl-, chloride
CAS 64048-33-5C21H28ClNO3
Ammonium, (3-benziloyloxypropyl)dimethylethyl-, chloride chemical structure, C21H28ClNO3, CAS 64048-35-7
Ammonium, (3-benziloyloxypropyl)dimethylethyl-, chloride
CAS 64048-35-7C21H28ClNO3
2-(Diethylamino)ethyl 2-hydroxy-2,3-diphenylpropanoate--hydrogen chloride (1/1) chemical structure, C21H28ClNO3, CAS 101756-43-8
2-(Diethylamino)ethyl 2-hydroxy-2,3-diphenylpropanoate--hydrogen chloride (1/1)
CAS 101756-43-8C21H28ClNO3

Frequently asked questions

What is the molar mass of C21H28ClNO3?

The molar mass of C21H28ClNO3 is 377.91 g/mol, calculated from standard atomic weights for 21 carbon atoms, 28 hydrogen atoms, 1 chlorine atom, 1 nitrogen atom and 3 oxygen atoms. The monoisotopic mass is 384.2197 Da.

How many compounds have the formula C21H28ClNO3?

CompoundList lists 51 compounds with the molecular formula C21H28ClNO3, including Propafenone hydrochloride, Propafenone-(phenyl-d5) (hydrochloride), Ro 63-1908. 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 C21H28ClNO3?

C21H28ClNO3 has a degree of unsaturation of 8. 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.