Molecular formula
C21H20ClNO3
54 compounds have this formula on CompoundList.
- Molar mass
- 369.85g/mol
- Monoisotopic mass
- 374.1446Da
- Atoms
- 46
- Elements
- 5
- Rings plus double bonds
- 12
The formula C21H20ClNO3 describes a molecule made of 21 carbon atoms, 20 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 × 2168.20%12.011 × 21 = 252.231 g/mol
- H Hydrogen × 205.45%1.008 × 20 = 20.160 g/mol
- Cl Chlorine × 19.59%35.45 × 1 = 35.450 g/mol
- N Nitrogen × 13.79%14.007 × 1 = 14.007 g/mol
- O Oxygen × 312.98%15.999 × 3 = 47.997 g/mol
Look up another formula
Compounds with the formula C21H20ClNO3
Isomers we list, best known first. Open one to see its structure, properties, safety data and suppliers.
Showing 1 to 54 of 54 compounds
1-(5-AC-4-(5-(2-CL-PH)-Furan-2-yl)-2,6-DI-ME-1,4-dihydro-pyridin-3-yl)-ethanone
CAS 303093-79-0C21H20ClNO3
3-(4-Chlorophenyl)-7-hydroxy-8-(piperidin-1-ylmethyl)-4H-chromen-4-one
CAS 302575-35-5C21H20ClNO3
3-(4-Chlorophenyl)-7-hydroxy-2-methyl-8-(pyrrolidin-1-ylmethyl)-4H-chromen-4-one
CAS 848753-89-9C21H20ClNO3
Isobutyl 6-chloro-2-(4-methoxyphenyl)-4-quinolinecarboxylate
CAS 355421-20-4C21H20ClNO3
Butyl 6-chloro-2-(4-methoxyphenyl)-4-quinolinecarboxylate
CAS 355421-19-1C21H20ClNO3
3-(5-(4-Chlorophenyl)-2-furyl)-N-(4-ethoxyphenyl)propanamide
CAS 853311-53-2C21H20ClNO3
3-(5-(4-Chlorophenyl)-2-furyl)-N-(4-methoxybenzyl)propanamide
CAS 853312-09-1C21H20ClNO3
3-(5-(3-Chlorophenyl)-2-furyl)-N-(4-ethoxyphenyl)propanamide
CAS 853312-47-7C21H20ClNO3
3-(4-Chlorophenyl)-7-hydroxy-4-methyl-8-(pyrrolidin-1-ylmethyl)-2H-chromen-2-one
CAS 887218-20-4C21H20ClNO3
![3-[1-(5-Chloro-2-methoxyphenyl)-5-(4-methylphenyl)-1H-pyrrol-2-yl]propanoic acid chemical structure, C21H20ClNO3, CAS 836641-02-2](/s/DSIRWPHJNNKHNE-UHFFFAOYSA-N.svg)
3-[1-(5-Chloro-2-methoxyphenyl)-5-(4-methylphenyl)-1H-pyrrol-2-yl]propanoic acid
CAS 836641-02-2C21H20ClNO3
![6-Chloro-3,4-dimethyl-9-(4-methylbenzyl)-9,10-dihydro-2H,8H-chromeno[8,7-e][1,3]oxazin-2-one chemical structure, C21H20ClNO3, CAS 846593-86-0](/s/VLEIHMCXXLCCKI-UHFFFAOYSA-N.svg)
6-Chloro-3,4-dimethyl-9-(4-methylbenzyl)-9,10-dihydro-2H,8H-chromeno[8,7-e][1,3]oxazin-2-one
CAS 846593-86-0C21H20ClNO3
![3-(4-Chlorophenyl)-9-isobutyl-9,10-dihydrochromeno[8,7-e][1,3]oxazin-4(8H)-one chemical structure, C21H20ClNO3, CAS 951944-41-5](/s/MUIHCWLBBKSRGY-UHFFFAOYSA-N.svg)
3-(4-Chlorophenyl)-9-isobutyl-9,10-dihydrochromeno[8,7-e][1,3]oxazin-4(8H)-one
CAS 951944-41-5C21H20ClNO3
![3-(4-Chlorophenyl)-2-methyl-9-propyl-9,10-dihydrochromeno[8,7-e][1,3]oxazin-4(8H)-one chemical structure, C21H20ClNO3, CAS 1010897-75-2](/s/CEMVITDWAGFOJU-UHFFFAOYSA-N.svg)
3-(4-Chlorophenyl)-2-methyl-9-propyl-9,10-dihydrochromeno[8,7-e][1,3]oxazin-4(8H)-one
CAS 1010897-75-2C21H20ClNO3
JWH 203 N-pentanoic acid metabolite
CAS 1449675-70-0C21H20ClNO3
7-Chloro-2-(4-isobutoxyphenyl)-8-methylquinoline-4-carboxylic acid
CAS 865415-13-0C21H20ClNO3
7-Chloro-2-(3-isobutoxyphenyl)-8-methylquinoline-4-carboxylic acid
CAS 865415-11-8C21H20ClNO3
2-(3-Butoxyphenyl)-7-chloro-8-methylquinoline-4-carboxylic acid
CAS 865415-09-4C21H20ClNO3
6-Chloro-7-hydroxy-4-phenyl-8-(piperidin-1-ylmethyl)-2H-chromen-2-one
CAS 302551-73-1C21H20ClNO3
2H-1-Benzopyran-2-one, 8-methoxy-5-((methyl-2-propyn-1-ylamino)methyl)-3-phenyl-, hydrochloride (1:1)
CAS 72543-54-5C21H20ClNO3
![3-(4-Chlorobenzyl)-6,7,10-trimethyl-3,4-dihydro-2H,8H-chromeno[6,7-e][1,3]oxazin-8-one chemical structure, C21H20ClNO3, CAS 853894-51-6](/s/PLKIWIIEXBEAKF-UHFFFAOYSA-N.svg)
3-(4-Chlorobenzyl)-6,7,10-trimethyl-3,4-dihydro-2H,8H-chromeno[6,7-e][1,3]oxazin-8-one
CAS 853894-51-6C21H20ClNO3
![3-(2-Chlorobenzyl)-6-ethyl-10-methyl-3,4-dihydro-2H,8H-chromeno[6,7-e][1,3]oxazin-8-one chemical structure, C21H20ClNO3, CAS 853894-57-2](/s/USMLPJQQIFSSRP-UHFFFAOYSA-N.svg)
3-(2-Chlorobenzyl)-6-ethyl-10-methyl-3,4-dihydro-2H,8H-chromeno[6,7-e][1,3]oxazin-8-one
CAS 853894-57-2C21H20ClNO3
![3-(4-Chlorobenzyl)-6-ethyl-10-methyl-3,4-dihydro-2H,8H-chromeno[6,7-e][1,3]oxazin-8-one chemical structure, C21H20ClNO3, CAS 853894-50-5](/s/DHARDOMAKGOVIK-UHFFFAOYSA-N.svg)
3-(4-Chlorobenzyl)-6-ethyl-10-methyl-3,4-dihydro-2H,8H-chromeno[6,7-e][1,3]oxazin-8-one
CAS 853894-50-5C21H20ClNO3
![N-(2-Chlorophenyl)-5-[(4-propylphenoxy)methyl]furan-2-carboxamide chemical structure, C21H20ClNO3, CAS 445029-80-1](/s/IBLYDWNGOGUNAP-UHFFFAOYSA-N.svg)
N-(2-Chlorophenyl)-5-[(4-propylphenoxy)methyl]furan-2-carboxamide
CAS 445029-80-1C21H20ClNO3
![N-[2-(4-Chlorobenzoyl)-3-methyl-1-benzofuran-6-yl]-2,2-dimethylpropanamide chemical structure, C21H20ClNO3, CAS 923250-86-6](/s/HGAHZDALMQOENN-UHFFFAOYSA-N.svg)
N-[2-(4-Chlorobenzoyl)-3-methyl-1-benzofuran-6-yl]-2,2-dimethylpropanamide
CAS 923250-86-6C21H20ClNO3
- N-[2-(4-Chlorobenzoyl)-3-methyl-1-benzofuran-5-yl]-2,2-dimethylpropanamide929505-11-3C21H20ClNO3
- 9-[2-(4-Chlorophenyl)ethyl]-4-ethyl-9,10-dihydro-2H,8H-chromeno[8,7-e][1,3]oxazin-2-one849009-90-1C21H20ClNO3
- 4-Methylbenzyl 4-(3-chlorophenyl)-2-methyl-6-oxo-1,4,5,6-tetrahydropyridine-3-carboxylate886638-81-9C21H20ClNO3
- Acetic acid, 2,2-diphenyl-2-methoxy-, 2-pyridylmethyl ester, hydrochloride49802-64-4C21H20ClNO3
- 3-Chloro-1-(2,3-dimethylphenyl)-4-(2,3,5-trimethylphenoxy)pyrrole-2,5-dione451450-65-0C21H20ClNO3
- 9-(2-Chlorobenzyl)-3-ethyl-4-methyl-9,10-dihydro-2H,8H-chromeno[8,7-e][1,3]oxazin-2-one846062-36-0C21H20ClNO3
- 9-(2-Chlorobenzyl)-4-propyl-9,10-dihydro-2H,8H-chromeno[8,7-e][1,3]oxazin-2-one848747-75-1C21H20ClNO3
- 6-Chloro-9-(4-ethylphenyl)-3,4-dimethyl-9,10-dihydro-2H,8H-chromeno[8,7-e][1,3]oxazin-2-one848988-01-2C21H20ClNO3
- 6-Chloro-4-ethyl-9-(4-ethylphenyl)-9,10-dihydro-2H,8H-chromeno[8,7-e][1,3]oxazin-2-one848990-47-6C21H20ClNO3
- 6-Chloro-9-(2,4-dimethylphenyl)-4-ethyl-9,10-dihydro-2H,8H-chromeno[8,7-e][1,3]oxazin-2-one862128-94-7C21H20ClNO3
- 6-Chloro-9-(2,4-dimethylphenyl)-3,4-dimethyl-9,10-dihydro-2H,8H-chromeno[8,7-e][1,3]oxazin-2-one849001-02-1C21H20ClNO3
- 6-Chloro-9-(3,5-dimethylphenyl)-4-ethyl-9,10-dihydro-2H,8H-chromeno[8,7-e][1,3]oxazin-2-one849002-07-9C21H20ClNO3
- 6-Chloro-9-(3,5-dimethylphenyl)-3,4-dimethyl-9,10-dihydro-2H,8H-chromeno[8,7-e][1,3]oxazin-2-one862107-02-6C21H20ClNO3
- 9-Benzyl-6-chloro-4-propyl-9,10-dihydro-2H,8H-chromeno[8,7-e][1,3]oxazin-2-one853892-81-6C21H20ClNO3
- 3-(4-Chloro-2,5-dimethoxyanilino)-1-(2-naphthyl)-1-propanone882749-02-2C21H20ClNO3
- 3-(3-Chloro-4-methylphenyl)-6-ethyl-10-methyl-3,4-dihydro-2H,8H-chromeno[6,7-e][1,3]oxazin-8-one849035-25-2C21H20ClNO3
- 1'-(2-(4-Chlorophenyl)acetyl)spiro[chroman-2,4'-piperidin]-4-one877811-23-9C21H20ClNO3
- 2,3,9-Trimethoxy-5-methylbenzo[c]phenanthridin-5-ium chloride56517-34-1C21H20ClNO3
- (9H-Fluoren-9-yl)methyl 4-(chlorocarbonyl)piperidine-1-carboxylate433712-58-4C21H20ClNO3
- 2-(Benzyloxy)-3-[2-(benzyloxy)ethoxy]-5-chloropyridine1820707-55-8C21H20ClNO3
- 9-(3-Chloro-4-methylphenyl)-3-ethyl-4-methyl-9,10-dihydro-2H,8H-chromeno[8,7-e][1,3]oxazin-2-one847046-61-1C21H20ClNO3
- 9-(3-Chloro-4-methylphenyl)-4-propyl-9,10-dihydro-2H,8H-chromeno[8,7-e][1,3]oxazin-2-one845983-67-7C21H20ClNO3
- 2-(4-Butoxyphenyl)-7-chloro-8-methylquinoline-4-carboxylic acid865415-17-4C21H20ClNO3
- 2-(4-Chlorophenoxy)-N-[3-hydroxy-3-(naphthalen-1-yl)propyl]acetamide1421442-28-5C21H20ClNO3
- Methyl 6-chloro-5-(4-(tetrahydro-2H-pyran-4-yl)phenyl)-1H-indole-3-carboxylate1467061-67-1C21H20ClNO3
- JWH 203 N-pentanoic acid metabolite-d52749328-26-3C21H20ClNO3
- Ethyl 8-chloro-5-[2-(4-methylphenyl)ethyl]-4-oxo-1H-quinoline-3-carboxylate38921-16-3C21H20ClNO3
- 6-Chloro-3-(2-furanylmethyl)-2,3,4,5-tetrahydro-1-phenyl-1H-3-benzazepine-7,8-diol80751-67-3C21H20ClNO3
- 3-(3-Chlorophenyl)-N-{2-[4-(furan-2-yl)phenyl]-2-hydroxyethyl}propanamide2097884-31-4C21H20ClNO3
- Methyl 6-chloro-5-(4-(tetrahydro-2H-pyran-2-yl)phenyl)-1H-indole-3-carboxylate1467062-02-7C21H20ClNO3
Frequently asked questions
What is the molar mass of C21H20ClNO3?
The molar mass of C21H20ClNO3 is 369.85 g/mol, calculated from standard atomic weights for 21 carbon atoms, 20 hydrogen atoms, 1 chlorine atom, 1 nitrogen atom and 3 oxygen atoms. The monoisotopic mass is 374.1446 Da.
How many compounds have the formula C21H20ClNO3?
CompoundList lists 54 compounds with the molecular formula C21H20ClNO3, including 1-(5-AC-4-(5-(2-CL-PH)-Furan-2-yl)-2,6-DI-ME-1,4-dihydro-pyridin-3-yl)-ethanone, 3-(4-Chlorophenyl)-7-hydroxy-8-(piperidin-1-ylmethyl)-4H-chromen-4-one, 3-(4-Chlorophenyl)-7-hydroxy-2-methyl-8-(pyrrolidin-1-ylmethyl)-4H-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 C21H20ClNO3?
C21H20ClNO3 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.