Molecular formula
C21H22N2O3
420 compounds have this formula on CompoundList.
- Molar mass
- 350.42g/mol
- Monoisotopic mass
- 350.1630Da
- Atoms
- 48
- Elements
- 4
- Rings plus double bonds
- 12
The formula C21H22N2O3 describes a molecule made of 21 carbon atoms, 22 hydrogen atoms, 2 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 × 2171.98%12.011 × 21 = 252.231 g/mol
- H Hydrogen × 226.33%1.008 × 22 = 22.176 g/mol
- N Nitrogen × 27.99%14.007 × 2 = 28.014 g/mol
- O Oxygen × 313.70%15.999 × 3 = 47.997 g/mol
Look up another formula
Compounds with the formula C21H22N2O3
Isomers we list, best known first. Open one to see its structure, properties, safety data and suppliers.
Showing 101 to 200 of 420 compounds
![N-[4-tert-Butyl-3-(hydroxymethyl)phenyl]-4-oxo-1H-quinoline-3-carboxamide chemical structure, C21H22N2O3, CAS 873050-23-8](/s/MGYYBTQASYNNPY-UHFFFAOYSA-N.svg)
N-[4-tert-Butyl-3-(hydroxymethyl)phenyl]-4-oxo-1H-quinoline-3-carboxamide
CAS 873050-23-8C21H22N2O3
1-Butyl-1,2-dihydro-4-hydroxy-N-(4-methylphenyl)-2-oxo-3-quinolinecarboxamide
CAS 303093-21-2C21H22N2O3
Benzyl 4-(4-ethylphenyl)-6-methyl-2-oxo-1,2,3,4-tetrahydropyrimidine-5-carboxylate
CAS 329072-84-6C21H22N2O3
4-(3-Cyano-2,7,7-trimethyl-5-oxo-1,4,5,6,7,8-hexahydroquinolin-4-yl)phenyl acetate
CAS 314052-46-5C21H22N2O3
![4-Benzoyl-N-[3-(2-methyl-acryloylamino)-propyl]-benzamide chemical structure, C21H22N2O3, CAS 165391-55-9](/s/KKGFAULLJCULTN-UHFFFAOYSA-N.svg)
4-Benzoyl-N-[3-(2-methyl-acryloylamino)-propyl]-benzamide
CAS 165391-55-9C21H22N2O3
7-(Diethylamino)-2-oxo-N-(p-tolyl)-2H-chromene-3-carboxamide
CAS 313232-99-4C21H22N2O3
N-Benzyl-6-(1,3-dioxo-1,3-dihydro-2H-isoindol-2-yl)hexanamide
CAS 294654-73-2C21H22N2O3
![7-Methoxy-4-[(4-phenylpiperazin-1-yl)methyl]chromen-2-one chemical structure, C21H22N2O3, CAS 859116-96-4](/s/CTZNUWBLAZAELM-UHFFFAOYSA-N.svg)
7-Methoxy-4-[(4-phenylpiperazin-1-yl)methyl]chromen-2-one
CAS 859116-96-4C21H22N2O3
![6-Hydroxy-7-methyl-4-[(4-phenylpiperazin-1-yl)methyl]chromen-2-one chemical structure, C21H22N2O3, CAS 859130-20-4](/s/VCVSTPBBGRKATB-UHFFFAOYSA-N.svg)
6-Hydroxy-7-methyl-4-[(4-phenylpiperazin-1-yl)methyl]chromen-2-one
CAS 859130-20-4C21H22N2O3
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CAS 1309389-66-9C21H22N2O3
3,5-Dimethyl-N-(4-morpholinophenyl)benzofuran-2-carboxamide
CAS 353501-63-0C21H22N2O3
1-(4-Methoxyphenyl)-4-(1,2,3,4-tetrahydroisoquinoline-2-carbonyl)pyrrolidin-2-one
CAS 881786-53-4C21H22N2O3
1-(4-Nitrophenyl)-2-(2,2,4,8-tetramethylquinolin-1-yl)ethanone
CAS 350994-95-5C21H22N2O3
(2E)-3-(1,3-Benzodioxol-5-yl)-1-(4-benzylpiperazin-1-yl)prop-2-en-1-one
CAS 349423-60-5C21H22N2O3
6-Hydroxy-4-((4-methylpiperazin-1-yl)methyl)-7-phenyl-2H-chromen-2-one
CAS 896074-75-2C21H22N2O3
3-(3,4-Dihydro-2(1H)-isoquinolinyl)-1-(4-ethoxyphenyl)-2,5-pyrrolidinedione
CAS 354789-28-9C21H22N2O3
2-(1,3-Dioxoisoindol-2-yl)-N-(2-methylphenyl)hexanamide
CAS 428846-49-5C21H22N2O3
2-(1,3-Dioxoisoindol-2-yl)-4-methyl-N-(3-methylphenyl)pentanamide
CAS 429620-35-9C21H22N2O3
(4-(3-(3,5-Dimethyl-1H-pyrazol-1-yl)-2-hydroxypropoxy)phenyl)(phenyl)methanone
CAS 890602-35-4C21H22N2O3
![11-(Furan-2-yl)-3-methyl-10-propanoyl-2,3,4,5,10,11-hexahydro-1H-dibenzo[b,e][1,4]diazepin-1-one chemical structure, C21H22N2O3, CAS 726200-24-4](/s/XPCMPMJIYXGPQP-UHFFFAOYSA-N.svg)
11-(Furan-2-yl)-3-methyl-10-propanoyl-2,3,4,5,10,11-hexahydro-1H-dibenzo[b,e][1,4]diazepin-1-one
CAS 726200-24-4C21H22N2O3
3-(tert-Butyl)-4-((2-hydroxy-3-methoxyphenyl)methylene)-1-phenyl-2-pyrazolin-5-one
CAS 1047724-35-5C21H22N2O3
![7-Hydroxy-8-methyl-4-[(4-phenylpiperazin-1-yl)methyl]-2H-chromen-2-one chemical structure, C21H22N2O3, CAS 849536-29-4](/s/FEVRQHLCYZNKSS-UHFFFAOYSA-N.svg)
7-Hydroxy-8-methyl-4-[(4-phenylpiperazin-1-yl)methyl]-2H-chromen-2-one
CAS 849536-29-4C21H22N2O3
3,4-Dimethoxy-N-(2,6,8-trimethylquinolin-4-yl)benzamide
CAS 946260-62-4C21H22N2O3
2H-Isoindole-2-hexanamide, 1,3-dihydro-N-(4-methylphenyl)-1,3-dioxo-
CAS 59472-19-4C21H22N2O3
- 1-[7-Methoxy-3-(4-methoxyphenyl)-3,3a,4,5-tetrahydrobenzo[g]indazol-2-yl]ethanone313968-30-8C21H22N2O3
- 3-(3,4-Dihydroisoquinolin-2(1H)-yl)-1-(2-methoxy-5-methylphenyl)pyrrolidine-2,5-dione700850-46-0C21H22N2O3
- 5-Hydroxy-7-methyl-4-((4-phenylpiperazin-1-yl)methyl)-2H-chromen-2-one899383-64-3C21H22N2O3
- (Z)-6-Hydroxy-7-((3-methylpiperidin-1-yl)methyl)-2-(pyridin-4-ylmethylene)benzofuran-3(2H)-one896826-71-4C21H22N2O3
- (Z)-6-Hydroxy-7-((3-methylpiperidin-1-yl)methyl)-2-(pyridin-3-ylmethylene)benzofuran-3(2H)-one896827-21-7C21H22N2O3
- (Z)-6-Hydroxy-7-((2-methylpiperidin-1-yl)methyl)-2-(pyridin-3-ylmethylene)benzofuran-3(2H)-one900268-86-2C21H22N2O3
- Benzyl 1-oxo-2,3-dihydro-1H-spiro[isoquinoline-4,4'-piperidine]-1'-carboxylate1330763-54-6C21H22N2O3
- 3-Quinolinecarboxamide,n,6-diethyl-1,2-dihydro-4-hydroxy-1-methyl-2-oxo-n-phenyl-675575-22-1C21H22N2O3
- 1-Piperazinecarboxylic acid, 4-dibenz(b,f)oxepin-10-yl-, ethyl ester22012-10-8C21H22N2O3
- (E)-2-Cyano-N-(2,5-dimethoxyphenyl)-3-(4-isopropylphenyl)acrylamide469872-33-1C21H22N2O3
- (E)-2-Cyano-N-(2-ethoxyphenyl)-3-(2-propan-2-yloxyphenyl)prop-2-enamide465513-43-3C21H22N2O3
- (Z)-7-(Azepan-1-ylmethyl)-6-hydroxy-2-(pyridin-3-ylmethylene)benzofuran-3(2H)-one896597-72-1C21H22N2O3
- (Z)-7-(Azepan-1-ylmethyl)-6-hydroxy-2-(pyridin-4-ylmethylene)benzofuran-3(2H)-one896831-83-7C21H22N2O3
- (Z)-6-Hydroxy-7-((4-methylpiperidin-1-yl)methyl)-2-(pyridin-3-ylmethylene)benzofuran-3(2H)-one896843-71-3C21H22N2O3
- 2-Ethyl-9-hydroxy-5,11-dimethyl-6H-pyrido(4,3-b)carbazolium acetate70173-24-9C21H22N2O3
- 2-(1,3-Dioxoisoindol-2-yl)-N-(1-phenylpentyl)acetamide378769-39-2C21H22N2O3
- N-[3-(3-Methoxyphenyl)-1-methyl-4-oxo-1,4-dihydroquinolin-2-yl]-2-methylpropanamide883966-10-7C21H22N2O3
- 3-(4-Methoxyphenyl)-N-(4-oxo-2,4,5,6-tetrahydro-1H-pyrrolo[3,2,1-ij]quinolin-8-yl)propanamide898435-33-1C21H22N2O3
- (Z)-6-Hydroxy-4-methyl-7-(piperidin-1-ylmethyl)-2-(pyridin-3-ylmethylene)benzofuran-3(2H)-one903864-44-8C21H22N2O3
- 2-Hydroxystrychnidin-10-one19894-24-7C21H22N2O3
- 1,3-Indandione, 2-(4-(p-methoxyphenyl)-1-piperazinyl)-2-methyl-17330-80-2C21H22N2O3
- 3-Hydroxystrychnidin-10-one27317-29-9C21H22N2O3
- 1-(4-Nitrophenyl)-2-(2,2,4,7-tetramethylquinolin-1-yl)ethanone300586-25-8C21H22N2O3
- 1-[4-(Furan-2-ylmethyl)piperazin-1-yl]-2-naphthalen-2-yloxyethanone489399-98-6C21H22N2O3
- 4-(Benzylamino)-7-(diethylamino)-2-oxo-2H-chromene-3-carbaldehyde136918-65-5C21H22N2O3
- N-(4-Ethoxyphenyl)-N-[(7-methyl-2-oxo-1H-quinolin-3-yl)methyl]acetamide672903-30-9C21H22N2O3
- 1-Benzyl-N-(4-methoxyphenyl)-2-methyl-6-oxo-1,4,5,6-tetrahydro-3-pyridinecarboxamide338748-86-0C21H22N2O3
- N-Benzyl-N-((2-hydroxy-7-methylquinolin-3-yl)methyl)-2-methoxyacetamide847240-37-3C21H22N2O3
- 3,4-Dimethoxy-N-(2,3,4,9-tetrahydro-1H-carbazol-6-yl)benzamide622793-27-5C21H22N2O3
- N-Mesityl-2-(5-methoxy-1-oxoisoquinolin-2(1H)-yl)acetamide868223-38-5C21H22N2O3
- N-[3-(2-Oxopyrrolidin-1-yl)propyl]-9H-xanthene-9-carboxamide774589-00-3C21H22N2O3
- 6-(3-Ethoxy-4-hydroxyphenyl)-5,6,8,9,10,11-hexahydrobenzo[b][1,4]benzodiazepin-7-one362502-89-4C21H22N2O3
- 6-Ketoapovincamine65825-92-5C21H22N2O3
- 2-(4-Methoxyphenyl)-N-[2-(7-methyl-2-oxo-1H-quinolin-3-yl)ethyl]acetamide851404-38-1C21H22N2O3
- N-[2-(6,7-Dimethyl-2-oxo-1H-quinolin-3-yl)ethyl]-3-methoxybenzamide688353-01-7C21H22N2O3
- N-[2-(7-Methoxy-2-oxo-1H-quinolin-3-yl)ethyl]-2-(3-methylphenyl)acetamide851406-27-4C21H22N2O3
- (Z)-6-Hydroxy-7-((2-methylpiperidin-1-yl)methyl)-2-(pyridin-4-ylmethylene)benzofuran-3(2H)-one896807-37-7C21H22N2O3
- 2-(4-Methoxyphenyl)-N-{3-methyl-2-oxo-1-azatricyclo[6.3.1.0^{4,12}]dodeca-4,6,8(12)-trien-6-yl}acetamide898426-34-1C21H22N2O3
- 2-Ethoxy-N-{3-methyl-2-oxo-1-azatricyclo[6.3.1.0^{4,12}]dodeca-4,6,8(12)-trien-6-yl}benzamide898426-38-5C21H22N2O3
- (Z)-6-Hydroxy-4-methyl-7-(piperidin-1-ylmethyl)-2-(pyridin-4-ylmethylene)benzofuran-3(2H)-one903851-21-8C21H22N2O3
- 2-(1-Benzyl-piperidin-4-yl)-3-oxo-2,3-dihydro-1H-isoindole-4-carboxylic acid1048916-81-9C21H22N2O3
- 1-(3-Hydroxy-3-(naphthalen-1-yl)propyl)-3-(2-methoxyphenyl)urea1421524-53-9C21H22N2O3
- Methyl 1-(1,2,3,4-tetrahydroquinoline-1-carbonyl)-3,4-dihydroisoquinoline-2(1H)-carboxylate1396555-61-5C21H22N2O3
- Ethyl 2-cyano-3-[4-[(4-ethoxyphenyl)methylamino]phenyl]-2-propenoate4421-21-0C21H22N2O3
- 4-(2-Hydroxyethyl)-2-(2-phenylquinolin-4-yl)morpholin-2-ol5445-70-5C21H22N2O3
- Methyl 1-acetyl-5,5-bis(4-methylphenyl)-4H-pyrazole-3-carboxylate10036-72-3C21H22N2O3
- 2-(2,4-Bis(benzyloxy)pyrimidin-5-yl)propan-2-ol41244-54-6C21H22N2O3
- N-[4-(Dimethylamino)naphthalen-1-yl]-2-(4-methoxyphenoxy)acetamide429624-49-7C21H22N2O3
- (Z)-6-Hydroxy-7-((4-methylpiperidin-1-yl)methyl)-2-(pyridin-4-ylmethylene)benzofuran-3(2H)-one900285-31-6C21H22N2O3
- N-(2,6-Dimethylphenyl)-2-(1,3-dioxo-1,3-dihydro-2H-isoindol-2-yl)-3-methylbutanamide611176-62-6C21H22N2O3
- Ethyl 7-(2,6-dimethyl-4-pyridyl)-1-ethyl-1,4-dihydro-4-oxoquinoline-3-carboxylate40034-74-0C21H22N2O3
- Piperazine, 1-(2H-1-benzopyran-3-ylcarbonyl)-4-(2-methoxyphenyl)-83823-27-2C21H22N2O3
- 3-Isoquinolinecarboxylic acid, 1,2-dihydro-2-(3-(dimethylamino)propyl)-1-oxo-4-phenyl-112392-93-5C21H22N2O3
- 2-(1,3-Dioxo-1,3-dihydro-2H-isoindol-2-yl)-N-(4-ethylphenyl)-3-methylbutanamide611176-79-5C21H22N2O3
- 1-[4-[[(E)-3-(4-Methoxyphenyl)-3-oxoprop-1-enyl]amino]phenyl]piperidin-4-one400079-59-6C21H22N2O3
- [(Z)-[1-[(4-Methylphenyl)methyl]-2-oxoindol-3-ylidene]amino] 3-methylbutanoate303149-53-3C21H22N2O3
- 2-(1,2-Dimethyl-1H-indol-3-yl)-N-[2-(4-methoxyphenyl)ethyl]-2-oxoacetamide862831-22-9C21H22N2O3
- 2,4-Dimethylbenzyl 1-ethyl-7-methyl-4-oxo-1,4-dihydro-1,8-naphthyridine-3-carboxylate895120-59-9C21H22N2O3
- 1-(4-Methylbenzyl)-3-[(pentanoyloxy)imino]-1,3-dihydro-2H-indol-2-one303149-55-5C21H22N2O3
- 3-(4-(2-Methoxyphenyl)piperazine-1-carbonyl)-2,3-dihydro-1H-inden-1-one240403-55-8C21H22N2O3
- 4-Isopropoxy-N-((5-(p-tolyl)isoxazol-3-yl)methyl)benzamide946344-34-9C21H22N2O3
- N-(2-Cyclopropanecarbonyl-1,2,3,4-tetrahydroisoquinolin-7-yl)-2-methoxybenzamide955644-38-9C21H22N2O3
- N-[1-Ethyl-3-(4-methoxyphenyl)-4-oxo-1,4-dihydroquinolin-2-yl]propanamide879477-63-1C21H22N2O3
- N-(8-Methyl-11-oxo-10,11-dihydrodibenzo[b,f][1,4]oxazepin-2-yl)cyclohexanecarboxamide922083-28-1C21H22N2O3
- 3-Butoxy-N-(furan-2-ylmethyl)-N-(pyridin-2-yl)benzamide905766-78-1C21H22N2O3
- 1-Ethyl-6-methoxy-4-oxo-N-(2-phenylethyl)-1,4-dihydroquinoline-3-carboxamide1018129-95-7C21H22N2O3
- 5-(Benzyloxy)-1-[2-(4-morpholinyl)-2-oxoethyl]-1H-indole1144485-69-7C21H22N2O3
- 2-(4-Methoxyphenoxy)-N-(2,6,8-trimethylquinolin-4-yl)acetamide946260-54-4C21H22N2O3
- 5-[1-Cyclohexyl-4-(4-methylphenyl)-1H-imidazol-5-yl]-2-furoic acid1171810-58-4C21H22N2O3
- 2-(2,3-Dihydrocyclopenta[b]indol-4(1H)-yl)-N-(2,3-dimethoxyphenyl)acetamide1203140-46-8C21H22N2O3
- N-(Furan-2-ylmethyl)-3-(4-methoxyphenyl)-N-(pyridin-2-ylmethyl)propanamide1286704-80-0C21H22N2O3
- 3-(tert-Butyl)-4-((2-hydroxy-3-methoxyphenyl)methylene)-1-phenyl-2-pyrazolin-5-oneC21H22N2O3
- Ethyl 1-(4-methoxybenzyl)-3-p-tolyl-1H-pyrazole-5-carboxylate1020238-96-3C21H22N2O3
- Barbituric acid, 1,3-diphenyl-5-pentyl-5148-23-2C21H22N2O3
- N-(2,5-Dimethoxyphenyl)-4-(2,5-dimethyl-1H-pyrrol-1-yl)benzamide723250-93-9C21H22N2O3
- 2-(4-Methoxyphenyl)-N-methyl-N-[(7-methyl-2-oxo-1H-quinolin-3-yl)methyl]acetamide672331-29-2C21H22N2O3
Frequently asked questions
What is the molar mass of C21H22N2O3?
The molar mass of C21H22N2O3 is 350.42 g/mol, calculated from standard atomic weights for 21 carbon atoms, 22 hydrogen atoms, 2 nitrogen atoms and 3 oxygen atoms. The monoisotopic mass is 350.1630 Da.
How many compounds have the formula C21H22N2O3?
CompoundList lists 420 compounds with the molecular formula C21H22N2O3, including N-[4-tert-Butyl-3-(hydroxymethyl)phenyl]-4-oxo-1H-quinoline-3-carboxamide, 1-Butyl-1,2-dihydro-4-hydroxy-N-(4-methylphenyl)-2-oxo-3-quinolinecarboxamide, Benzyl 4-(4-ethylphenyl)-6-methyl-2-oxo-1,2,3,4-tetrahydropyrimidine-5-carboxylate. 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 C21H22N2O3?
C21H22N2O3 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.