Molecular formula
C21H19NO5
142 compounds have this formula on CompoundList.
- Molar mass
- 365.38g/mol
- Monoisotopic mass
- 365.1263Da
- Atoms
- 46
- Elements
- 4
- Rings plus double bonds
- 13
The formula C21H19NO5 describes a molecule made of 21 carbon atoms, 19 hydrogen atoms, 1 nitrogen atom and 5 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 × 2169.03%12.011 × 21 = 252.231 g/mol
- H Hydrogen × 195.24%1.008 × 19 = 19.152 g/mol
- N Nitrogen × 13.83%14.007 × 1 = 14.007 g/mol
- O Oxygen × 521.89%15.999 × 5 = 79.995 g/mol
Look up another formula
Compounds with the formula C21H19NO5
Isomers we list, best known first. Open one to see its structure, properties, safety data and suppliers.
Showing 1 to 100 of 142 compounds
(1,3)Benzodioxolo(5,6-c)phenanthridinium, 1,2-dimethoxy-12-methyl-, hydroxide (1:1)
CAS 478-03-5C21H19NO5
Lavendustin B
CAS 125697-91-8C21H19NO5
Isoxazole-curcumin
CAS 114380-40-4C21H19NO5
![3-Methyl-1-((4-nitrobenzyl)oxy)-7,8,9,10-tetrahydro-6H-benzo[c]chromen-6-one chemical structure, C21H19NO5, CAS 307550-92-1](/s/ZFOUCGXCHMOGAD-UHFFFAOYSA-N.svg)
3-Methyl-1-((4-nitrobenzyl)oxy)-7,8,9,10-tetrahydro-6H-benzo[c]chromen-6-one
CAS 307550-92-1C21H19NO5
RefChem:381645
CAS 5865-38-3C21H19NO5
Fmoc-L-Ser(Propargyl)-OH
CAS 1354752-75-2C21H19NO5
(S)-1-Fmoc-4-oxopiperidine-2-carboxylic acid
CAS 1221793-43-6C21H19NO5
2,5-Pyrrolidinedione, 3-(phenylmethylene)-4-((3,4,5-trimethoxyphenyl)methylene)-, (E,E)-
CAS 152815-51-5C21H19NO5
![3-[2-(3,4-Dimethoxyphenyl)-2-oxoethyl]-3-hydroxy-1-(prop-2-yn-1-yl)-1,3-dihydro-2H-indol-2-one chemical structure, C21H19NO5, CAS 370846-50-7](/s/FGERLOYWIAWTMD-UHFFFAOYSA-N.svg)
3-[2-(3,4-Dimethoxyphenyl)-2-oxoethyl]-3-hydroxy-1-(prop-2-yn-1-yl)-1,3-dihydro-2H-indol-2-one
CAS 370846-50-7C21H19NO5
![3-[2-(2,5-Dimethoxyphenyl)-2-oxoethyl]-3-hydroxy-1-prop-2-ynylindol-2-one chemical structure, C21H19NO5, CAS 690685-74-6](/s/JZCNRYLYFYXPFX-UHFFFAOYSA-N.svg)
3-[2-(2,5-Dimethoxyphenyl)-2-oxoethyl]-3-hydroxy-1-prop-2-ynylindol-2-one
CAS 690685-74-6C21H19NO5
![4,5-Dimethoxy-2-[(1-naphthylacetyl)amino]benzoic acid chemical structure, C21H19NO5, CAS 830349-18-3](/s/PSEZIXVNNZDAFY-UHFFFAOYSA-N.svg)
4,5-Dimethoxy-2-[(1-naphthylacetyl)amino]benzoic acid
CAS 830349-18-3C21H19NO5
![2-Oxo-2-phenylethyl (1,3-dioxooctahydro-4,6-ethenocyclopropa[f]isoindol-2(1H)-yl)acetate chemical structure, C21H19NO5, CAS 473804-26-1](/s/UHLFESIZBNNHMZ-UHFFFAOYSA-N.svg)
2-Oxo-2-phenylethyl (1,3-dioxooctahydro-4,6-ethenocyclopropa[f]isoindol-2(1H)-yl)acetate
CAS 473804-26-1C21H19NO5
(Z)-2-(4-Methylbenzylidene)-3-oxo-2,3-dihydrobenzofuran-6-yl morpholine-4-carboxylate
CAS 1164529-34-3C21H19NO5
Diethyl 7-benzoyl-1,3-indolizinedicarboxylate
CAS 853319-59-2C21H19NO5
![Butyl 4-{[(4-oxo-4H-chromen-2-yl)carbonyl]amino}benzoate chemical structure, C21H19NO5, CAS 690688-52-9](/s/BOPFRMKRYFLYTI-UHFFFAOYSA-N.svg)
Butyl 4-{[(4-oxo-4H-chromen-2-yl)carbonyl]amino}benzoate
CAS 690688-52-9C21H19NO5
N,O-Diacetylnoroliveroline
CAS 83730-15-8C21H19NO5
N-(2,4-Dimethoxyphenyl)-2-oxo-8-(prop-2-en-1-yl)-2H-chromene-3-carboxamide
CAS 313982-20-6C21H19NO5
N-Cyclopropyl-4-((7-methoxy-2-methyl-4-oxo-4H-chromen-3-yl)oxy)benzamide
CAS 946234-77-1C21H19NO5
Eltrombopag impurity 11
CAS 1201816-68-3C21H19NO5
![N-[2-(2H-1,3-Benzodioxol-5-yloxy)ethyl]-2-(naphthalen-2-yloxy)acetamide chemical structure, C21H19NO5, CAS 1171955-44-4](/s/YTBAKQCMUKJPNW-UHFFFAOYSA-N.svg)
N-[2-(2H-1,3-Benzodioxol-5-yloxy)ethyl]-2-(naphthalen-2-yloxy)acetamide
CAS 1171955-44-4C21H19NO5
N-(4-(1-(4-Hydroxy-2-oxo-2H-1-benzopyran-3-yl)-3-oxobutyl)phenyl)acetamide
CAS 64180-11-6C21H19NO5
![4-(3,4,5-Trimethoxyphenyl)-1,4-dihydrobenzo[h][3,1]benzoxazin-2-one chemical structure, C21H19NO5, CAS 1802937-26-3](/s/NIDMIFDHMDRHLS-UHFFFAOYSA-N.svg)
4-(3,4,5-Trimethoxyphenyl)-1,4-dihydrobenzo[h][3,1]benzoxazin-2-one
CAS 1802937-26-3C21H19NO5
Corynoloxine
CAS 31470-65-2C21H19NO5
![9-Ethoxy-1,2,10-trimethoxy-7H-dibenzo[de,g]quinolin-7-one chemical structure, C21H19NO5, CAS 11036-98-9](/s/SUVIIYLNGLFASD-UHFFFAOYSA-N.svg)
9-Ethoxy-1,2,10-trimethoxy-7H-dibenzo[de,g]quinolin-7-one
CAS 11036-98-9C21H19NO5
- Methyl (Z)-1-acetyl-3-(ethoxy(phenyl)methylene)-2-oxoindoline-6-carboxylate1027407-75-5C21H19NO5
- 3-[(2-Oxo-2H-chromene-3-carbonyl)-amino]-benzoic acid butyl ester301304-87-0C21H19NO5
- 1-Acetyl-3-(1-ethoxy-1-phenylmethylene)-6-methoxycarbonyl-2-indolinone1175365-43-1C21H19NO5
- (R)-1-Fmoc-4-oxopiperidine-2-carboxylic acid1375078-38-8C21H19NO5
- Isobutyl 4-(2-oxo-2H-chromene-3-carboxamido)benzoate616214-79-0C21H19NO5
- 4-Methyl-2-oxo-3-phenyl-2H-chromen-7-yl morpholine-4-carboxylate548764-96-1C21H19NO5
- N-[3-(1,3-Benzodioxol-5-yl)-8-methyl-4-oxochromen-2-yl]butanamide879565-08-9C21H19NO5
- 2-(3,4-Dimethoxyphenyl)-2-oxoethyl 2-methylquinoline-4-carboxylate799265-94-4C21H19NO5
- 4-[2-(2-Carboxyethyl)-5-(4-methoxyphenyl)-1H-pyrrol-1-yl]benzoic acid693268-12-1C21H19NO5
- Butyl 4-[(2-oxochromene-3-carbonyl)amino]benzoate161559-21-3C21H19NO5
- N-[3-(1,3-Benzodioxol-5-yl)-8-methyl-4-oxochromen-2-yl]-2-methylpropanamide883960-89-2C21H19NO5
- 2-((2-Methoxyethyl)amino)-3-(3-methoxyphenyl)-4H-furo[3,2-c]chromen-4-one938025-38-8C21H19NO5
- 8-Allyl-N-(2,5-dimethoxyphenyl)-2-oxo-2H-chromene-3-carboxamide325471-94-1C21H19NO5
- (Z)-2-((E)-3-(2-Methoxyphenyl)allylidene)-3-oxo-2,3-dihydrobenzofuran-6-yl dimethylcarbamate622794-16-5C21H19NO5
- 3-[2-(2,4-Dimethoxyphenyl)-2-oxoethyl]-3-hydroxy-1-(prop-2-yn-1-yl)-1,3-dihydro-2H-indol-2-one444148-09-8C21H19NO5
- 4-(2,3-Dimethoxyphenyl)-6-methyl-3,4-dihydropyrano[3,2-c]quinoline-2,5-dione697246-44-9C21H19NO5
- 2-((2-Methoxyethyl)amino)-3-(4-methoxyphenyl)-4H-furo[3,2-c]chromen-4-one938025-48-0C21H19NO5
- 9-Cyclopropyl-3-(2-methoxyphenoxy)-4H,8H,9H,10H-chromeno[8,7-e][1,3]oxazin-4-one946384-83-4C21H19NO5
- 9-Cyclopropyl-3-(4-methoxyphenoxy)-9,10-dihydrochromeno[8,7-e][1,3]oxazin-4(8H)-one946293-12-5C21H19NO5
- anti-7-p-Nitrobenzoyloxy-7-(p-anisyl)norbornene56954-73-5C21H19NO5
- 4-Methyl-3-[(4-nitrobenzyl)oxy]-7,8,9,10-tetrahydro-6H-benzo[c]chromen-6-one6147-35-9C21H19NO5
- Dimethyl 4-(3-phenoxyphenyl)-1,4-dihydropyridine-3,5-dicarboxylate347351-64-8C21H19NO5
- (Z)-2-(3-Methylbenzylidene)-3-oxo-2,3-dihydrobenzofuran-6-yl morpholine-4-carboxylate622794-64-3C21H19NO5
- Methyl (4Z)-4-[(4-hydroxyphenyl)methylidene]-1-(3-methoxyphenyl)-2-methyl-5-oxopyrrole-3-carboxylate359727-38-1C21H19NO5
- (Z)-2-(2-Methylbenzylidene)-3-oxo-2,3-dihydrobenzofuran-6-yl morpholine-4-carboxylate622794-68-7C21H19NO5
- 2-(2-Hydroxyethyl)-1-(4-methoxyphenyl)-7-methyl-1,2-dihydrochromeno[2,3-c]pyrrole-3,9-dione850157-64-1C21H19NO5
- 1-(4-Ethoxy-3-methoxyphenyl)-2-methyl-1,2-dihydrochromeno[2,3-c]pyrrole-3,9-dione850801-60-4C21H19NO5
- 2-Methyl-4-oxo-3-phenyl-4H-chromen-7-yl morpholine-4-carboxylate618391-20-1C21H19NO5
- Biphenyl-4-yl(4,5-dimethoxy-2-nitrophenyl)methanol375833-03-7C21H19NO5
- N-(2-Furylmethyl)-2-(3,5,9-trimethyl-7-oxo-7H-furo[3,2-g]chromen-6-yl)acetamide853900-55-7C21H19NO5
- N-(2-Furylmethyl)-2-(3,4,9-trimethyl-7-oxo-7H-furo[2,3-f]chromen-8-yl)acetamide853901-38-9C21H19NO5
- (3E)-1-Acetyl-3-(ethoxyphenylmethylene)-2,3-dihydro-2-oxo-1H-indole-6-carboxylic Acid Methyl Ester1168152-06-4C21H19NO5
- Thaliglucinone35988-96-6C21H19NO5
- 3-(3,5-Dimethyl-7-oxo-7H-furo[3,2-g]chromen-6-yl)-N-(2-furylmethyl)propanamide858755-98-3C21H19NO5
- 9-(2,3-Dihydro-1,4-benzodioxin-6-yl)-3,4-dimethyl-9,10-dihydro-2H,8H-chromeno[8,7-e][1,3]oxazin-2-one859867-03-1C21H19NO5
- 3-(2-(3,4-Dihydroquinolin-1(2H)-yl)-2-oxoethyl)-7,8-dihydroxy-4-methyl-2H-chromen-2-one919736-43-9C21H19NO5
- Ethyl 4-{[(6,8-dimethyl-4-oxo-4H-chromen-2-yl)carbonyl]amino}benzoate898468-97-8C21H19NO5
- N-(5-Acetyl-2-methoxyphenyl)-7-methoxy-1-benzoxepine-4-carboxamide950286-16-5C21H19NO5
- (2S,3R)-Methyl 2-(4-((4-formylphenyl)ethynyl)benzamido)-3-hydroxybutanoate728878-11-3C21H19NO5
- 1-Ethoxy-2,9,10-trimethoxy-7H-dibenzo[de,g]quinolin-7-one15358-02-8C21H19NO5
- 9-(2,3-Dihydro-1,4-benzodioxin-6-yl)-4-ethyl-9,10-dihydro-2H,8H-chromeno[8,7-e][1,3]oxazin-2-one859126-94-6C21H19NO5
- Ethyl 4-[4-(ethoxymethylidene)-1,3-dioxo-1,2,3,4-tetrahydroisoquinolin-2-yl]benzoate750607-46-6C21H19NO5
- Benzoic acid, 4-[4-[(1-oxo-2-propen-1-yl)oxy]butoxy]-, 4-cyanophenyl ester136902-63-1C21H19NO5
- N-(2-(3,4-Dimethoxyphenyl)-4-oxo-4H-chromen-6-yl)cyclopropanecarboxamide1010904-42-3C21H19NO5
- 2-Methoxy-2-oxoethyl 2-(4-ethylphenyl)-1-oxo-1,2-dihydroisoquinoline-4-carboxylate1226438-33-0C21H19NO5
- N-(4-(Benzo[d][1,3]dioxol-5-yloxy)but-2-yn-1-yl)-4-oxo-4-phenylbutanamide1448053-57-3C21H19NO5
- 1-{[(9H-Fluoren-9-yl)methoxy]carbonyl}-4-oxopiperidine-2-carboxylic acid1822492-98-7C21H19NO5
- Methyl 4-(4-oxospiro[chroman-2,3'-pyrrolidin]-1'-ylcarbonyl)benzoate1787917-30-9C21H19NO5
- (3R,4S)-4-(9H-Fluoren-9-ylmethoxycarbonylamino)-3-hydroxycyclopentene-1-carboxylic acid2411178-84-0C21H19NO5
- 10-Ethoxy-1,2,9-trimethoxy-7H-dibenzo[de,g]quinolin-7-one15358-01-7C21H19NO5
- 4-{(3E)-3-[Hydroxy(phenyl)methylidene]-4,5-dioxo-2-phenylpyrrolidin-1-yl}butanoic acid331751-47-4C21H19NO5
- 5-(Benzyloxy)-N-(2-methoxy-5-methylphenyl)-4-oxo-4H-pyran-2-carboxamide1021093-34-4C21H19NO5
- N-Cyclopropyl-2-[4-(8-methoxy-2-oxo-2H-chromen-3-yl)phenoxy]acetamide1010878-25-7C21H19NO5
- L-Phenylalanine, N-(5-(1,3-benzodioxol-5-yl)-1-oxo-2,4-pentadienyl)-90778-84-0C21H19NO5
- {3-[(5-Phenyl-furan-2-carbonyl)-amino]-phenoxy}-acetic acid ethyl ester863704-75-0C21H19NO5
- Methyl 2-({3-oxo-3H-spiro[2-benzofuran-1,4'-piperidine]-1'-yl}carbonyl)benzoate1706215-11-3C21H19NO5
- Methyl 2-({3-oxo-3H-spiro[2-benzofuran-1,3'-piperidine]-1'-yl}carbonyl)benzoate1705057-16-4C21H19NO5
- (3-(Benzo[d][1,3]dioxol-5-yl)pyrrolidin-1-yl)(7-methoxybenzofuran-2-yl)methanone2034597-34-5C21H19NO5
- Fmoc-D-Ser(O-propargyl)-OH2991228-27-2C21H19NO5
- (1,3)Benzodioxolo(5,6-c)phenanthridine-13-methanol, 12,13-dihydro-1-hydroxy-2-methoxy-12-methyl-82294-73-3C21H19NO5
- 3-[2-(2-Carboxyethyl)-5-(4-methoxyphenyl)-1H-pyrrol-1-yl]benzoic acid693796-32-6C21H19NO5
- 9H-Fluoren-9-ylmethyl (4S)-2,5-dioxo-4-propan-2-yl-1,3-oxazolidine-3-carboxylate129288-47-7C21H19NO5
- 4-[Hydroxy[3-(2-naphthalenylmethoxy)phenyl]amino]-4-oxobutanoic acid790618-15-4C21H19NO5
- 3-[1-(Benzyloxycarbonyl)indol-3-yl]-2-oxopropyl Acetate851547-84-7C21H19NO5
- 2-Ethoxy-2-oxoethyl 1-oxo-2-(m-tolyl)-1,2-dihydroisoquinoline-4-carboxylate1226427-30-0C21H19NO5
- 7-{[2-(tert-Butoxycarbonyl)pyridin-4-yl]oxy}-2-naphthoic acid942077-77-2C21H19NO5
- Methyl 4-({2-[4-(furan-2-yl)phenyl]-2-hydroxyethyl}carbamoyl)benzoate2097933-82-7C21H19NO5
- N-{2-[4-(Furan-2-yl)phenyl]-2-hydroxyethyl}-2,3-dihydro-1,4-benzodioxine-2-carboxamide2097934-60-4C21H19NO5
- 2-[[4,5-Dioxo-1-(phenylmethyl)-3-pyrrolidinylidene]methyl]phenyl ethyl carbonate329203-86-3C21H19NO5
- Ethyl 4-[4-(ethoxymethylidene)-1,3-dioxoisoquinolin-2-yl]benzoateC21H19NO5
- 4-(1,3-Benzodioxol-5-ylmethylidene)-2-(4-butoxyphenyl)-1,3-oxazol-5-one5630-73-9C21H19NO5
- Ethyl 2-(N-(2-benzoylbenzofuran-3-yl)acetamido)acetate301538-53-4C21H19NO5
- Nab2X5xel8178609-07-9C21H19NO5
- N-{2-[4-(Furan-2-yl)phenyl]-2-hydroxyethyl}-2,3-dihydro-1,4-benzodioxine-5-carboxamide2320861-71-8C21H19NO5
- 1-[(3-Carboxyphenyl)methyl]-4-oxo-7-(propan-2-yl)-1,4-dihydroquinoline-3-carboxylic acid2415542-50-4C21H19NO5
- Ethyl 4-[(4Z)-4-(ethoxymethylidene)-1,3-dioxoisoquinolin-2-yl]benzoateC21H19NO5
Frequently asked questions
What is the molar mass of C21H19NO5?
The molar mass of C21H19NO5 is 365.38 g/mol, calculated from standard atomic weights for 21 carbon atoms, 19 hydrogen atoms, 1 nitrogen atom and 5 oxygen atoms. The monoisotopic mass is 365.1263 Da.
How many compounds have the formula C21H19NO5?
CompoundList lists 142 compounds with the molecular formula C21H19NO5, including (1,3)Benzodioxolo(5,6-c)phenanthridinium, 1,2-dimethoxy-12-methyl-, hydroxide (1:1), Lavendustin B, Isoxazole-curcumin. 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 C21H19NO5?
C21H19NO5 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.