CompoundList
Sign in
Molecular formula

C21H28ClNO4

24 compounds have this formula on CompoundList.

Molar mass
393.91g/mol
Monoisotopic mass
398.2021Da
Atoms
55
Elements
5
Rings plus double bonds
8

The formula C21H28ClNO4 describes a molecule made of 21 carbon atoms, 28 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 × 2164.03%
    12.011 × 21 = 252.231 g/mol
  • H Hydrogen × 287.17%
    1.008 × 28 = 28.224 g/mol
  • Cl Chlorine × 19.00%
    35.45 × 1 = 35.450 g/mol
  • N Nitrogen × 13.56%
    14.007 × 1 = 14.007 g/mol
  • O Oxygen × 416.25%
    15.999 × 4 = 63.996 g/mol
Look up another formula

Compounds with the formula C21H28ClNO4

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

Showing 1 to 24 of 24 compounds

Nalbuphine hydrochloride chemical structure, C21H28ClNO4, CAS 23277-43-2
Nalbuphine hydrochloride
CAS 23277-43-2C21H28ClNO4
5-Hydroxy propafenone hydrochloride chemical structure, C21H28ClNO4, CAS 86383-32-6
5-Hydroxy propafenone hydrochloride
CAS 86383-32-6C21H28ClNO4
5-Hydroxy propafenone hydrochloride-d5 chemical structure, C21H28ClNO4, CAS 1188265-48-6
5-Hydroxy propafenone hydrochloride-d5
CAS 1188265-48-6C21H28ClNO4
5-Hydroxy propafenone-d5 hydrochloride chemical structure, C21H28ClNO4, CAS 1215370-87-8
5-Hydroxy propafenone-d5 hydrochloride
CAS 1215370-87-8C21H28ClNO4
1-(3,4-Dihydroisoquinolin-2(1H)-yl)-3-((2,5-dimethoxybenzyl)oxy)propan-2-ol hydrochloride chemical structure, C21H28ClNO4, CAS 1185548-93-9
1-(3,4-Dihydroisoquinolin-2(1H)-yl)-3-((2,5-dimethoxybenzyl)oxy)propan-2-ol hydrochloride
CAS 1185548-93-9C21H28ClNO4
1-(6,7-Dimethoxy-3,4-dihydroisoquinolin-2(1H)-yl)-3-(p-tolyloxy)propan-2-ol hydrochloride chemical structure, C21H28ClNO4, CAS 1185432-23-8
1-(6,7-Dimethoxy-3,4-dihydroisoquinolin-2(1H)-yl)-3-(p-tolyloxy)propan-2-ol hydrochloride
CAS 1185432-23-8C21H28ClNO4
4-Hydroxy propafenone hydrochloride chemical structure, C21H28ClNO4, CAS 86383-31-5
4-Hydroxy propafenone hydrochloride
CAS 86383-31-5C21H28ClNO4
Ethyl 1-(2-hydroxy-3-(naphthalen-1-yloxy)propyl)piperidine-4-carboxylate hydrochloride chemical structure, C21H28ClNO4, CAS 1331304-24-5
Ethyl 1-(2-hydroxy-3-(naphthalen-1-yloxy)propyl)piperidine-4-carboxylate hydrochloride
CAS 1331304-24-5C21H28ClNO4
(S)-5-Hydroxy propafenone hydrochloride chemical structure, C21H28ClNO4, CAS 158080-71-8
(S)-5-Hydroxy propafenone hydrochloride
CAS 158080-71-8C21H28ClNO4
Benzilic acid, 4-methoxy-, 2-(diethylamino)ethyl ester, hydrochloride chemical structure, C21H28ClNO4, CAS 36616-34-9
Benzilic acid, 4-methoxy-, 2-(diethylamino)ethyl ester, hydrochloride
CAS 36616-34-9C21H28ClNO4
Phenol, 4-(2-(((2,3-dihydro-1,4-benzodioxin-2-yl)methyl)amino)ethoxy)-2-methyl-5-(1-methylethyl)-, hydrochloride chemical structure, C21H28ClNO4, CAS 84541-74-2
Phenol, 4-(2-(((2,3-dihydro-1,4-benzodioxin-2-yl)methyl)amino)ethoxy)-2-methyl-5-(1-methylethyl)-, hydrochloride
CAS 84541-74-2C21H28ClNO4
Benzenemethanol, 4-methoxy-alpha-(((1,2,3,4-tetrahydro-6,7-dimethoxy-2-naphthalenyl)amino)methyl)-, hydrochloride chemical structure, C21H28ClNO4, CAS 116680-74-1
Benzenemethanol, 4-methoxy-alpha-(((1,2,3,4-tetrahydro-6,7-dimethoxy-2-naphthalenyl)amino)methyl)-, hydrochloride
CAS 116680-74-1C21H28ClNO4
4-Hydroxy propafenone-d5 hydrochloride chemical structure, C21H28ClNO4, CAS 1189863-32-8
4-Hydroxy propafenone-d5 hydrochloride
CAS 1189863-32-8C21H28ClNO4
Nalmefene hydrochloride monohydrate chemical structure, C21H28ClNO4, CAS 1228646-72-7
Nalmefene hydrochloride monohydrate
CAS 1228646-72-7C21H28ClNO4
N-Dimethylallylnorcocaine HCl chemical structure, C21H28ClNO4, CAS 69700-35-2
N-Dimethylallylnorcocaine HCl
CAS 69700-35-2C21H28ClNO4
Acetic acid, (1-((dimethylamino)methyl)-2-(2-(2-phenylethyl)phenoxy)ethoxy)-, hydrochloride chemical structure, C21H28ClNO4, CAS 86819-26-3
Acetic acid, (1-((dimethylamino)methyl)-2-(2-(2-phenylethyl)phenoxy)ethoxy)-, hydrochloride
CAS 86819-26-3C21H28ClNO4
Tetrahydrosclerotioramine chemical structure, C21H28ClNO4, CAS 7102-15-0
Tetrahydrosclerotioramine
CAS 7102-15-0C21H28ClNO4
4-Piperidinol, 4-propanoate, hydrochloride chemical structure, C21H28ClNO4, CAS 57975-80-1
4-Piperidinol, 4-propanoate, hydrochloride
CAS 57975-80-1C21H28ClNO4
17-(2-Amino-1-oxoethyl)-17-hydroxy-10,13-dimethyl-6,7,8,9,12,14,15,16-octahydrocyclopenta[a]phenanthrene-3,11-dione hydrochloride chemical structure, C21H28ClNO4, CAS 744254-12-4
17-(2-Amino-1-oxoethyl)-17-hydroxy-10,13-dimethyl-6,7,8,9,12,14,15,16-octahydrocyclopenta[a]phenanthrene-3,11-dione hydrochloride
CAS 744254-12-4C21H28ClNO4
(R)-5-Hydroxy propafenone hydrochloride chemical structure, C21H28ClNO4, CAS 158080-72-9
(R)-5-Hydroxy propafenone hydrochloride
CAS 158080-72-9C21H28ClNO4
6beta-Nalbuphine Hydrochloride chemical structure, C21H28ClNO4, CAS 60018-68-0
6beta-Nalbuphine Hydrochloride
CAS 60018-68-0C21H28ClNO4
8-tert-Butyl-4-[2-(4-chlorophenyl)acetyl]-1-oxa-4-azaspiro[4.5]decane-3-carboxylic acid chemical structure, C21H28ClNO4, CAS 1326811-45-3
8-tert-Butyl-4-[2-(4-chlorophenyl)acetyl]-1-oxa-4-azaspiro[4.5]decane-3-carboxylic acid
CAS 1326811-45-3C21H28ClNO4
Butanoic acid,4-[(4-chloro-2-cycloheptyl-2,3-dihydro-1-oxo-1H-isoindol-5-yl)oxy]-,ethyl ester chemical structure, C21H28ClNO4, CAS 153144-14-0
Butanoic acid,4-[(4-chloro-2-cycloheptyl-2,3-dihydro-1-oxo-1H-isoindol-5-yl)oxy]-,ethyl ester
CAS 153144-14-0C21H28ClNO4
1-(2-(2-Hydroxy-3-(propylamino)propoxy)phenyl)-3-(4-hydroxyphenyl)propan-1-one hydrochloride chemical structure, C21H28ClNO4, CAS 93885-22-4
1-(2-(2-Hydroxy-3-(propylamino)propoxy)phenyl)-3-(4-hydroxyphenyl)propan-1-one hydrochloride
CAS 93885-22-4C21H28ClNO4

Frequently asked questions

What is the molar mass of C21H28ClNO4?

The molar mass of C21H28ClNO4 is 393.91 g/mol, calculated from standard atomic weights for 21 carbon atoms, 28 hydrogen atoms, 1 chlorine atom, 1 nitrogen atom and 4 oxygen atoms. The monoisotopic mass is 398.2021 Da.

How many compounds have the formula C21H28ClNO4?

CompoundList lists 24 compounds with the molecular formula C21H28ClNO4, including Nalbuphine hydrochloride, 5-Hydroxy propafenone hydrochloride, 5-Hydroxy propafenone hydrochloride-d5. 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 C21H28ClNO4?

C21H28ClNO4 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.