Molecular formula
C21H21ClN4O3
55 compounds have this formula on CompoundList.
- Molar mass
- 412.87g/mol
- Monoisotopic mass
- 412.1302Da
- Atoms
- 50
- Elements
- 5
- Rings plus double bonds
- 13
The formula C21H21ClN4O3 describes a molecule made of 21 carbon atoms, 21 hydrogen atoms, 1 chlorine atom, 4 nitrogen atoms 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 × 2161.09%12.011 × 21 = 252.231 g/mol
- H Hydrogen × 215.13%1.008 × 21 = 21.168 g/mol
- Cl Chlorine × 18.59%35.45 × 1 = 35.450 g/mol
- N Nitrogen × 413.57%14.007 × 4 = 56.028 g/mol
- O Oxygen × 311.63%15.999 × 3 = 47.997 g/mol
Look up another formula
Compounds with the formula C21H21ClN4O3
Isomers we list, best known first. Open one to see its structure, properties, safety data and suppliers.
Showing 1 to 55 of 55 compounds
Nizofenone
CAS 54533-85-6C21H21ClN4O3
![3-[3-[4-(4-Chlorophenyl)piperazin-1-yl]-3-oxopropyl]-1H-quinazoline-2,4-dione chemical structure, C21H21ClN4O3, CAS 896372-87-5](/s/YDLXQARGPXGAOU-UHFFFAOYSA-N.svg)
3-[3-[4-(4-Chlorophenyl)piperazin-1-yl]-3-oxopropyl]-1H-quinazoline-2,4-dione
CAS 896372-87-5C21H21ClN4O3
3-(2-Chlorophenyl)-6-(4-(2-methoxyphenyl)piperazin-1-yl)pyrimidine-2,4(1H,3H)-dione
CAS 847398-30-5C21H21ClN4O3
![N-(5-Chloro-2-methylphenyl)-2-[4-(morpholin-4-yl)-1-oxo-1,2-dihydrophthalazin-2-yl]acetamide chemical structure, C21H21ClN4O3, CAS 1251599-57-1](/s/UFNMUPWAJRYFRY-UHFFFAOYSA-N.svg)
N-(5-Chloro-2-methylphenyl)-2-[4-(morpholin-4-yl)-1-oxo-1,2-dihydrophthalazin-2-yl]acetamide
CAS 1251599-57-1C21H21ClN4O3
![N-(5-Chloro-2-methoxyphenyl)-1-[6-(furan-2-yl)pyridazin-3-yl]piperidine-3-carboxamide chemical structure, C21H21ClN4O3, CAS 1105216-67-8](/s/IQYHKPJCFDTMGY-UHFFFAOYSA-N.svg)
N-(5-Chloro-2-methoxyphenyl)-1-[6-(furan-2-yl)pyridazin-3-yl]piperidine-3-carboxamide
CAS 1105216-67-8C21H21ClN4O3
1-(3-Chlorophenyl)-3-(2-(3-(4-ethoxyphenyl)-6-oxopyridazin-1(6H)-yl)ethyl)urea
CAS 1049186-78-8C21H21ClN4O3
2-(4-Chloro-3-methylphenoxy)-N-(3-(6-oxo-3-(pyridin-4-yl)pyridazin-1(6H)-yl)propyl)acetamide
CAS 1105208-52-3C21H21ClN4O3
5-Chloro-N-(4-((6-ethoxy-2-methylpyrimidin-4-yl)amino)phenyl)-2-methoxybenzamide
CAS 946272-95-3C21H21ClN4O3
3-(3-(4-(3-Chlorophenyl)piperazin-1-yl)-3-oxopropyl)quinazoline-2,4(1H,3H)-dione
CAS 895830-19-0C21H21ClN4O3
![2-(4-Chlorophenoxy)-N-[(Z)-[2-oxo-1-(pyrrolidin-1-ylmethyl)indol-3-ylidene]amino]acetamide chemical structure, C21H21ClN4O3, CAS 424801-13-8](/s/ILEDVPHZCQKYGT-UHFFFAOYSA-N.svg)
2-(4-Chlorophenoxy)-N-[(Z)-[2-oxo-1-(pyrrolidin-1-ylmethyl)indol-3-ylidene]amino]acetamide
CAS 424801-13-8C21H21ClN4O3
![3-[2-[4-(5-Chloro-2-methylphenyl)piperazin-1-yl]-2-oxoethyl]-1H-quinazoline-2,4-dione chemical structure, C21H21ClN4O3, CAS 896381-23-0](/s/DBUKAIUDLDDVNZ-UHFFFAOYSA-N.svg)
3-[2-[4-(5-Chloro-2-methylphenyl)piperazin-1-yl]-2-oxoethyl]-1H-quinazoline-2,4-dione
CAS 896381-23-0C21H21ClN4O3
3-(2-Chlorophenyl)-6-(4-(4-methoxyphenyl)piperazin-1-yl)pyrimidine-2,4(1H,3H)-dione
CAS 847398-29-2C21H21ClN4O3
2-(5-((4-Chlorophenoxy)methyl)furan-2-yl)-5-(4-ethylpiperazin-1-yl)oxazole-4-carbonitrile
CAS 931968-34-2C21H21ClN4O3
![N-(3-Chloro-4-methylphenyl)-2-[4-(morpholin-4-yl)-1-oxo-1,2-dihydrophthalazin-2-yl]acetamide chemical structure, C21H21ClN4O3, CAS 1251606-65-1](/s/YBXLGPIEPRUWJU-UHFFFAOYSA-N.svg)
N-(3-Chloro-4-methylphenyl)-2-[4-(morpholin-4-yl)-1-oxo-1,2-dihydrophthalazin-2-yl]acetamide
CAS 1251606-65-1C21H21ClN4O3
1-(4-(2-Chlorophenyl)piperazin-1-yl)-2-(5-(4-methoxyphenyl)-1,3,4-oxadiazol-2-yl)ethanone
CAS 1251688-32-0C21H21ClN4O3
![N-(Benzo[d][1,3]dioxol-5-ylmethyl)-2-(4-(4-chlorophenyl)-3-(dimethylamino)-1H-pyrazol-1-yl)acetamide chemical structure, C21H21ClN4O3, CAS 1286709-37-2](/s/BOYJHRJTBITZGK-UHFFFAOYSA-N.svg)
N-(Benzo[d][1,3]dioxol-5-ylmethyl)-2-(4-(4-chlorophenyl)-3-(dimethylamino)-1H-pyrazol-1-yl)acetamide
CAS 1286709-37-2C21H21ClN4O3
![5-Chloro-N-[2-(4-methoxyanilino)-2-oxo-1-phenylethyl]-1,3-dimethyl-1H-pyrazole-4-carboxamide chemical structure, C21H21ClN4O3, CAS 1031210-14-6](/s/IOFHVZACDZMCFH-UHFFFAOYSA-N.svg)
5-Chloro-N-[2-(4-methoxyanilino)-2-oxo-1-phenylethyl]-1,3-dimethyl-1H-pyrazole-4-carboxamide
CAS 1031210-14-6C21H21ClN4O3
![N-[(E)-(5-Chloro-3-methyl-1-phenylpyrazol-4-yl)methylideneamino]-2-(3,4-dimethoxyphenyl)acetamide chemical structure, C21H21ClN4O3, CAS 383894-40-4](/s/HTSSHGIUFWTNLG-YDZHTSKRSA-N.svg)
N-[(E)-(5-Chloro-3-methyl-1-phenylpyrazol-4-yl)methylideneamino]-2-(3,4-dimethoxyphenyl)acetamide
CAS 383894-40-4C21H21ClN4O3
![N'-{(E)-[4-(benzyloxy)-3-methoxyphenyl]methylidene}-4-chloro-1,3-dimethyl-1H-pyrazole-5-carbohydrazide chemical structure, C21H21ClN4O3, CAS 515175-05-0](/s/HLRQPANLOKQKKY-FSJBWODESA-N.svg)
N'-{(E)-[4-(benzyloxy)-3-methoxyphenyl]methylidene}-4-chloro-1,3-dimethyl-1H-pyrazole-5-carbohydrazide
CAS 515175-05-0C21H21ClN4O3
![3-{3-[4-(4-Chlorophenyl)-4-hydroxypiperidino]-3-oxopropyl}-1,2,3-benzotriazin-4(3H)-one chemical structure, C21H21ClN4O3, CAS 1144442-41-0](/s/VEPPEYFKRQWBOB-UHFFFAOYSA-N.svg)
3-{3-[4-(4-Chlorophenyl)-4-hydroxypiperidino]-3-oxopropyl}-1,2,3-benzotriazin-4(3H)-one
CAS 1144442-41-0C21H21ClN4O3
![2-[5-[3-(4-Chlorophenyl)-1,2,4-oxadiazol-5-yl]-2-oxopyridin-1-yl]-N-cyclohexylacetamide chemical structure, C21H21ClN4O3, CAS 1112419-53-0](/s/MPOOYSOLYRRKGA-UHFFFAOYSA-N.svg)
2-[5-[3-(4-Chlorophenyl)-1,2,4-oxadiazol-5-yl]-2-oxopyridin-1-yl]-N-cyclohexylacetamide
CAS 1112419-53-0C21H21ClN4O3
![2-(4-Chlorophenoxy)-N-(2-(6-(furan-2-yl)-1H-imidazo[1,2-b]pyrazol-1-yl)ethyl)-2-methylpropanamide chemical structure, C21H21ClN4O3, CAS 1795490-28-6](/s/ARDYFSMAWCRHLW-UHFFFAOYSA-N.svg)
2-(4-Chlorophenoxy)-N-(2-(6-(furan-2-yl)-1H-imidazo[1,2-b]pyrazol-1-yl)ethyl)-2-methylpropanamide
CAS 1795490-28-6C21H21ClN4O3
![N-(3-Chlorophenyl)-3-[3-(4-methoxyphenyl)-1,2,4-oxadiazol-5-yl]piperidine-1-carboxamide chemical structure, C21H21ClN4O3, CAS 5192-94-9](/s/PTOVQDMIPATKDU-UHFFFAOYSA-N.svg)
N-(3-Chlorophenyl)-3-[3-(4-methoxyphenyl)-1,2,4-oxadiazol-5-yl]piperidine-1-carboxamide
CAS 5192-94-9C21H21ClN4O3
N1-(5-chloro-2-cyanophenyl)-N2-(2-(2-phenylmorpholino)ethyl)oxalamide
CAS 954083-00-2C21H21ClN4O3
- Methyl 3-((7-(furan-2-ylmethyl)-5,6-dimethyl-7H-pyrrolo[2,3-d]pyrimidin-4-yl)amino)benzoate hydrochloride1189510-80-2C21H21ClN4O3
- N-(4-Chlorophenyl)-7-methyl-4-oxo-1-(2-oxo-2-(propylamino)ethyl)-1,4-dihydro-1,8-naphthyridine-3-carboxamide1251563-60-6C21H21ClN4O3
- 3-(4-{[(5-Chloro-2-methylphenyl)carbamoyl]methyl}-3-oxo-3,4-dihydroquinoxalin-2-yl)-N-methylpropanamide1251692-22-4C21H21ClN4O3
- (4-((3-Chloro-4-methoxyphenyl)amino)-7-methyl-1,8-naphthyridin-3-yl)(morpholino)methanone1251627-03-8C21H21ClN4O3
- 2-(4-(4-Chlorophenyl)-3-(dimethylamino)-1H-pyrazol-1-yl)-N-(2,3-dihydrobenzo[b][1,4]dioxin-6-yl)acetamide1286702-52-0C21H21ClN4O3
- 2-(4-Chlorophenoxy)-N-(2-(3-cyclopropyl-5-oxo-4-phenyl-4,5-dihydro-1H-1,2,4-triazol-1-yl)ethyl)acetamide1396682-59-9C21H21ClN4O3
- 3-(3-(4-((5-Chloropyridin-2-yl)oxy)piperidin-1-yl)-3-oxopropyl)quinazolin-4(3H)-one1448078-57-6C21H21ClN4O3
- 1-(3-Chloro-4-methoxyphenyl)-4-(3-(4-(dimethylamino)phenyl)-1,2,4-oxadiazol-5-yl)pyrrolidin-2-one941893-31-8C21H21ClN4O3
- 1-(4-Chlorophenyl)-4-{[4-(pyridin-4-ylcarbonyl)piperazin-1-yl]carbonyl}pyrrolidin-2-one1081148-29-9C21H21ClN4O3
- 1-(2-((3-Chloro-4-methylphenyl)amino)-2-oxoethyl)-2-oxo-N-propyl-1,2-dihydroquinoxaline-6-carboxamide1251599-59-3C21H21ClN4O3
- 1-(2-((2-Chloro-4-methylphenyl)amino)-2-oxoethyl)-2-oxo-N-propyl-1,2-dihydroquinoxaline-6-carboxamide1251695-63-2C21H21ClN4O3
- N1-((1-(benzo[d]oxazol-2-yl)piperidin-4-yl)methyl)-N2-(2-chlorophenyl)oxalamide1797732-42-3C21H21ClN4O3
- 4-Chloro-N-{2-[4-cyclopropyl-3-(4-methoxyphenyl)-5-oxo-4,5-dihydro-1H-1,2,4-triazol-1-yl]ethyl}benzamide2320959-64-4C21H21ClN4O3
- [(3-tert-Butyl-1-phenyl-1H-pyrazol-5-yl)carbamoyl]methyl 6-chloropyridine-3-carboxylate956266-90-3C21H21ClN4O3
- 3-Benzyl-N-(3-chlorophenyl)-2,4-dioxo-1,3,8-triazaspiro[4.5]decane-8-carboxamide1021264-42-5C21H21ClN4O3
- 1-(3-Chlorophenyl)-4-{[4-(pyridin-4-ylcarbonyl)piperazin-1-yl]carbonyl}pyrrolidin-2-one1081130-98-4C21H21ClN4O3
- 1-(4-Chlorophenyl)-4-{[4-(pyridin-2-ylcarbonyl)piperazin-1-yl]carbonyl}pyrrolidin-2-one1081134-61-3C21H21ClN4O3
- 1-(4-Chlorophenyl)-4-{[4-(pyridin-3-ylcarbonyl)piperazin-1-yl]carbonyl}pyrrolidin-2-one1040709-69-0C21H21ClN4O3
- 2-(3-Chlorophenyl)-N-(3-methoxyphenyl)-3-oxo-1,4,8-triazaspiro[4.5]dec-1-ene-8-carboxamide1184998-31-9C21H21ClN4O3
- (4-Chloro-phenyl)-[6-(6-methoxy-pyridin-2-yl)-pyrazin-2-yl]-carbamic acid tert-butyl ester1133082-98-0C21H21ClN4O3
- 3-(3-(4-(4-Chlorophenyl)-4-hydroxypiperidin-1-yl)-3-oxopropyl)-4H-pyrido[2,1-c][1,2,4]triazin-4-one1436003-96-1C21H21ClN4O3
- N-{2-[(5-Chloropyridin-2-yl)carbamoyl]phenyl}-1-(prop-2-enoyl)piperidine-4-carboxamide2411272-32-5C21H21ClN4O3
- N-(6-Chloro-3-oxo-3,4-dihydro-2H-1,4-benzoxazin-7-yl)-2-cyano-3-(2,5-dimethyl-1-propyl-1H-pyrrol-3-yl)prop-2-enamide1090943-99-9C21H21ClN4O3
- (4-Chloro-phenyl)-[6-(3-methoxy-pyridin-2-yl)-pyrazin-2-yl]-carbamic acid tert-butyl ester1133083-26-7C21H21ClN4O3
- 6-[(3-Chlorophenyl)methyl]-8,9-dimethoxy-2-propyl-5H,6H-[1,2,4]triazolo[1,5-c]quinazolin-5-one2380192-12-9C21H21ClN4O3
- (5AR,10bS)-2-mesityl-9-nitro-2,5a,6,10b-tetrahydro-4H-indeno[2,1-b][1,2,4]triazolo[4,3-d][1,4]oxazin-11-ium chloride2079896-72-1C21H21ClN4O3
- N-(5-Chloro-1,3-benzodioxol-4-yl)-5-(piperidin-4-ylmethoxy)quinazolin-4-amine379230-31-6C21H21ClN4O3
- 4-Methoxy-N1,N3-bis(pyridin-3-ylmethyl)isophthalamide hydrochloride1085306-93-9C21H21ClN4O3
- N-(5-Chloro-2-methoxyphenyl)-N'-{2-[4-(1-methyl-1H-pyrazol-4-yl)phenyl]ethyl}ethanediamide2549010-43-5C21H21ClN4O3
- 5-[4-(6-Chloro-1,8-naphthyridin-2-yl)piperidine-1-carbonyl]-4-methoxy-1-methyl-1,2-dihydropyridin-2-one2742021-92-5C21H21ClN4O3
- (5AS,10bR)-2-mesityl-9-nitro-2,5a,6,10b-tetrahydro-4H-indeno[2,1-b][1,2,4]triazolo[4,3-d][1,4]oxazin-11-ium chloride2252321-59-6C21H21ClN4O3
Frequently asked questions
What is the molar mass of C21H21ClN4O3?
The molar mass of C21H21ClN4O3 is 412.87 g/mol, calculated from standard atomic weights for 21 carbon atoms, 21 hydrogen atoms, 1 chlorine atom, 4 nitrogen atoms and 3 oxygen atoms. The monoisotopic mass is 412.1302 Da.
How many compounds have the formula C21H21ClN4O3?
CompoundList lists 55 compounds with the molecular formula C21H21ClN4O3, including Nizofenone, 3-[3-[4-(4-Chlorophenyl)piperazin-1-yl]-3-oxopropyl]-1H-quinazoline-2,4-dione, 3-(2-Chlorophenyl)-6-(4-(2-methoxyphenyl)piperazin-1-yl)pyrimidine-2,4(1H,3H)-dione. 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 C21H21ClN4O3?
C21H21ClN4O3 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.