Molecular formula
C21H19N3O4
263 compounds have this formula on CompoundList.
- Molar mass
- 377.40g/mol
- Monoisotopic mass
- 377.1376Da
- Atoms
- 47
- Elements
- 4
- Rings plus double bonds
- 14
The formula C21H19N3O4 describes a molecule made of 21 carbon atoms, 19 hydrogen atoms, 3 nitrogen atoms 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 × 2166.83%12.011 × 21 = 252.231 g/mol
- H Hydrogen × 195.07%1.008 × 19 = 19.152 g/mol
- N Nitrogen × 311.13%14.007 × 3 = 42.021 g/mol
- O Oxygen × 416.96%15.999 × 4 = 63.996 g/mol
Look up another formula
Compounds with the formula C21H19N3O4
Isomers we list, best known first. Open one to see its structure, properties, safety data and suppliers.
Showing 201 to 263 of 263 compounds
![4-{2-Cyano-3-[4-(morpholin-4-yl)phenyl]prop-2-enamido}benzoic acid chemical structure, C21H19N3O4](/s/FWAGZDAQNDPKKX-UHFFFAOYSA-N.svg)
4-{2-Cyano-3-[4-(morpholin-4-yl)phenyl]prop-2-enamido}benzoic acid
C21H19N3O4
![Ethyl (2E)-2-benzoyl-3-[(8-methyl-4-oxo-4H-pyrido[1,2-a]pyrimidin-3-yl)amino]prop-2-enoate chemical structure, C21H19N3O4, CAS 206551-69-1](/s/OANSGTWBIYZASI-UHAQHTBPSA-N.svg)
Ethyl (2E)-2-benzoyl-3-[(8-methyl-4-oxo-4H-pyrido[1,2-a]pyrimidin-3-yl)amino]prop-2-enoate
CAS 206551-69-1C21H19N3O4
![2-{2-[({[(9H-Fluoren-9-yl)methoxy]carbonyl}amino)methyl]-1H-imidazol-1-yl}acetic acid chemical structure, C21H19N3O4, CAS 2138389-87-2](/s/NPBDJDPGHIDOIK-UHFFFAOYSA-N.svg)
2-{2-[({[(9H-Fluoren-9-yl)methoxy]carbonyl}amino)methyl]-1H-imidazol-1-yl}acetic acid
CAS 2138389-87-2C21H19N3O4
![2-[4-({[(9H-Fluoren-9-yl)methoxy]carbonyl}amino)-3-methyl-1H-pyrazol-1-yl]acetic acid chemical structure, C21H19N3O4, CAS 2385510-25-6](/s/ZFCCERQDURQAIF-UHFFFAOYSA-N.svg)
2-[4-({[(9H-Fluoren-9-yl)methoxy]carbonyl}amino)-3-methyl-1H-pyrazol-1-yl]acetic acid
CAS 2385510-25-6C21H19N3O4
![2-({[(9H-Fluoren-9-yl)methoxy]carbonyl}amino)-3-(1H-pyrazol-4-yl)propanoic acid chemical structure, C21H19N3O4, CAS 2137506-53-5](/s/HKWCJPYITABYOM-UHFFFAOYSA-N.svg)
2-({[(9H-Fluoren-9-yl)methoxy]carbonyl}amino)-3-(1H-pyrazol-4-yl)propanoic acid
CAS 2137506-53-5C21H19N3O4
![5-[1-(1,3-Benzodioxol-5-ylcarbonyl)pyrrolidin-2-yl]-3-(4-methylphenyl)-1,2,4-oxadiazole chemical structure, C21H19N3O4, CAS 1022686-07-2](/s/DSRFSOCPVPDEDT-UHFFFAOYSA-N.svg)
5-[1-(1,3-Benzodioxol-5-ylcarbonyl)pyrrolidin-2-yl]-3-(4-methylphenyl)-1,2,4-oxadiazole
CAS 1022686-07-2C21H19N3O4
![1,1'-[(Methylazanediyl)di(4,1-phenylene)]di(pyrrolidine-2,5-dione) chemical structure, C21H19N3O4, CAS 374562-13-7](/s/DRFLAXQAUXYRLE-UHFFFAOYSA-N.svg)
1,1'-[(Methylazanediyl)di(4,1-phenylene)]di(pyrrolidine-2,5-dione)
CAS 374562-13-7C21H19N3O4
![1-(2H,5H-[1,3]Dioxolo[4,5-f]indol-7-yl)-2-(4-phenylpiperazin-1-yl)ethane-1,2-dione chemical structure, C21H19N3O4, CAS 88048-40-2](/s/MZSUHHXBNARMFQ-UHFFFAOYSA-N.svg)
1-(2H,5H-[1,3]Dioxolo[4,5-f]indol-7-yl)-2-(4-phenylpiperazin-1-yl)ethane-1,2-dione
CAS 88048-40-2C21H19N3O4
![2,6-Dimethoxy-N-[(6-phenylpyridin-3-yl)carbamoyl]benzamide chemical structure, C21H19N3O4, CAS 84597-19-3](/s/TZUVWAIZSBIYRZ-UHFFFAOYSA-N.svg)
2,6-Dimethoxy-N-[(6-phenylpyridin-3-yl)carbamoyl]benzamide
CAS 84597-19-3C21H19N3O4
![Ethyl 6-[6-(6-ethoxycarbonyl-2-pyridinyl)-2-pyridinyl]pyridine-2-carboxylate chemical structure, C21H19N3O4, CAS 714200-25-6](/s/KUFNIJHLGXQFAM-UHFFFAOYSA-N.svg)
Ethyl 6-[6-(6-ethoxycarbonyl-2-pyridinyl)-2-pyridinyl]pyridine-2-carboxylate
CAS 714200-25-6C21H19N3O4
![N-(4-Methoxyphenyl)-2-{[(4-nitrophenyl)methyl]amino}benzamide chemical structure, C21H19N3O4, CAS 92944-78-0](/s/QEWVNXDAPFPHKA-UHFFFAOYSA-N.svg)
N-(4-Methoxyphenyl)-2-{[(4-nitrophenyl)methyl]amino}benzamide
CAS 92944-78-0C21H19N3O4
![5-[(Benzyloxy)carbonyl]-1-phenyl-1H,4H,5H,6H,7H-pyrazolo[4,3-c]pyridine-3-carboxylic acid chemical structure, C21H19N3O4, CAS 1796479-48-5](/s/YNUPJNDECROHNZ-UHFFFAOYSA-N.svg)
5-[(Benzyloxy)carbonyl]-1-phenyl-1H,4H,5H,6H,7H-pyrazolo[4,3-c]pyridine-3-carboxylic acid
CAS 1796479-48-5C21H19N3O4
![N-(2-{(2E)-2-[(2-hydroxy-1-naphthyl)methylene]hydrazino}-2-oxoethyl)-4-methoxybenzamide chemical structure, C21H19N3O4, CAS 769156-87-8](/s/PYMINXGZYSPKIG-FSJBWODESA-N.svg)
N-(2-{(2E)-2-[(2-hydroxy-1-naphthyl)methylene]hydrazino}-2-oxoethyl)-4-methoxybenzamide
CAS 769156-87-8C21H19N3O4
![2-({[(9H-Fluoren-9-yl)methoxy]carbonyl}amino)-2-(1-methyl-1H-imidazol-2-yl)acetic acid chemical structure, C21H19N3O4, CAS 2137459-08-4](/s/VCGAXAOTTMWEFD-UHFFFAOYSA-N.svg)
2-({[(9H-Fluoren-9-yl)methoxy]carbonyl}amino)-2-(1-methyl-1H-imidazol-2-yl)acetic acid
CAS 2137459-08-4C21H19N3O4
![(3S)-3-({[(9H-Fluoren-9-yl)methoxy]carbonyl}amino)-3-(1H-imidazol-2-yl)propanoic acid chemical structure, C21H19N3O4, CAS 2137147-07-8](/s/LGSOGZJGKWCGHH-SFHVURJKSA-N.svg)
(3S)-3-({[(9H-Fluoren-9-yl)methoxy]carbonyl}amino)-3-(1H-imidazol-2-yl)propanoic acid
CAS 2137147-07-8C21H19N3O4
![(3R)-3-({[(9H-Fluoren-9-yl)methoxy]carbonyl}amino)-3-(1H-imidazol-2-yl)propanoic acid chemical structure, C21H19N3O4, CAS 2137086-90-7](/s/LGSOGZJGKWCGHH-GOSISDBHSA-N.svg)
(3R)-3-({[(9H-Fluoren-9-yl)methoxy]carbonyl}amino)-3-(1H-imidazol-2-yl)propanoic acid
CAS 2137086-90-7C21H19N3O4
![(3R)-3-({[(9H-Fluoren-9-yl)methoxy]carbonyl}amino)-3-(1H-imidazol-5-yl)propanoic acid chemical structure, C21H19N3O4, CAS 2137073-06-2](/s/KTMFOTPOZCCVRN-GOSISDBHSA-N.svg)
(3R)-3-({[(9H-Fluoren-9-yl)methoxy]carbonyl}amino)-3-(1H-imidazol-5-yl)propanoic acid
CAS 2137073-06-2C21H19N3O4
![2-[5-({[(9H-Fluoren-9-yl)methoxy]carbonyl}amino)-1H-pyrazol-1-yl]propanoic acid chemical structure, C21H19N3O4, CAS 2803852-17-5](/s/YFRCIQFZIDPXAK-UHFFFAOYSA-N.svg)
2-[5-({[(9H-Fluoren-9-yl)methoxy]carbonyl}amino)-1H-pyrazol-1-yl]propanoic acid
CAS 2803852-17-5C21H19N3O4
![4-({[(9H-Fluoren-9-yl)methoxy]carbonyl}amino)-1,5-dimethyl-1H-pyrazole-3-carboxylic acid chemical structure, C21H19N3O4, CAS 2243505-60-2](/s/XVSDFENCOWONJS-UHFFFAOYSA-N.svg)
4-({[(9H-Fluoren-9-yl)methoxy]carbonyl}amino)-1,5-dimethyl-1H-pyrazole-3-carboxylic acid
CAS 2243505-60-2C21H19N3O4
![2-[5-({[(9H-Fluoren-9-yl)methoxy]carbonyl}amino)-3-methyl-1H-pyrazol-1-yl]acetic acid chemical structure, C21H19N3O4, CAS 2243507-22-2](/s/OSSKNCAXFINQSN-UHFFFAOYSA-N.svg)
2-[5-({[(9H-Fluoren-9-yl)methoxy]carbonyl}amino)-3-methyl-1H-pyrazol-1-yl]acetic acid
CAS 2243507-22-2C21H19N3O4
![2-({[(9H-Fluoren-9-yl)methoxy]carbonyl}(1-methyl-1H-pyrazol-4-yl)amino)acetic acid chemical structure, C21H19N3O4, CAS 2243516-61-0](/s/WXLXAVUTRLKOIF-UHFFFAOYSA-N.svg)
2-({[(9H-Fluoren-9-yl)methoxy]carbonyl}(1-methyl-1H-pyrazol-4-yl)amino)acetic acid
CAS 2243516-61-0C21H19N3O4
1,3-Dioxo-2,3-dihydro-1H-isoindol-2-yl 3-(2-propyl-1H-1,3-benzodiazol-1-yl)propanoate
CAS 2248270-59-7C21H19N3O4
![4-({[(9H-Fluoren-9-yl)methoxy]carbonyl}amino)-1,3-dimethyl-1H-pyrazole-5-carboxylic acid chemical structure, C21H19N3O4, CAS 2287344-68-5](/s/DPZXFOQSXKDAKO-UHFFFAOYSA-N.svg)
4-({[(9H-Fluoren-9-yl)methoxy]carbonyl}amino)-1,3-dimethyl-1H-pyrazole-5-carboxylic acid
CAS 2287344-68-5C21H19N3O4
![1-Ethyl-5-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-1H-pyrazole-4-carboxylic acid chemical structure, C21H19N3O4, CAS 2757956-31-1](/s/IGHMTJIYCPGZLV-UHFFFAOYSA-N.svg)
1-Ethyl-5-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-1H-pyrazole-4-carboxylic acid
CAS 2757956-31-1C21H19N3O4
- (3S)-3-({[(9H-Fluoren-9-yl)methoxy]carbonyl}amino)-3-(1H-imidazol-5-yl)propanoic acid2137086-85-0C21H19N3O4
- 2-[({[(9H-Fluoren-9-yl)methoxy]carbonyl}amino)methyl]-1-methyl-1H-imidazole-4-carboxylic acid2219372-15-1C21H19N3O4
- 3-[3-({[(9H-Fluoren-9-yl)methoxy]carbonyl}amino)-1H-pyrazol-1-yl]propanoic acid2243514-93-2C21H19N3O4
- 2-[4-({[(9H-Fluoren-9-yl)methoxy]carbonyl}amino)-5-methyl-1H-pyrazol-1-yl]acetic acid2385558-68-7C21H19N3O4
- 5-({[(9H-Fluoren-9-yl)methoxy]carbonyl}amino)-1,4-dimethyl-1H-pyrazole-3-carboxylic acid2580254-12-0C21H19N3O4
- 1-Ethyl-4-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-1H-pyrazole-5-carboxylic acid2580200-10-6C21H19N3O4
- 3-[4-({[(9H-Fluoren-9-yl)methoxy]carbonyl}amino)-1H-pyrazol-1-yl]propanoic acid2383815-46-9C21H19N3O4
- 1-Ethyl-3-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-1H-pyrazole-4-carboxylic acid2386467-59-8C21H19N3O4
- 1-[2-({[(9H-Fluoren-9-yl)methoxy]carbonyl}amino)ethyl]-1H-pyrazole-3-carboxylic acid2580217-95-2C21H19N3O4
- 4-Ethyl-2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-1H-imidazole-5-carboxylic acid2580251-43-8C21H19N3O4
- 2-Ethyl-5-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-1H-imidazole-4-carboxylic acid2580197-71-1C21H19N3O4
- 1-Ethyl-4-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-1H-pyrazole-3-carboxylic acid2386041-24-1C21H19N3O4
- 1-Ethyl-3-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-1H-pyrazole-5-carboxylic acid2385285-42-5C21H19N3O4
- 5-({[(9H-Fluoren-9-yl)methoxy]carbonyl}amino)-1,3-dimethyl-1H-pyrazole-4-carboxylic acid2386728-88-5C21H19N3O4
- 4-({[(9H-Fluoren-9-yl)methoxy]carbonyl}amino)-1,2-dimethyl-1H-imidazole-5-carboxylic acid2580200-26-4C21H19N3O4
- 2-[3-({[(9H-Fluoren-9-yl)methoxy]carbonyl}amino)-4-methyl-1H-pyrazol-1-yl]acetic acid2386941-38-2C21H19N3O4
- 2-[3-({[(9H-Fluoren-9-yl)methoxy]carbonyl}amino)-5-methyl-1H-pyrazol-1-yl]acetic acid2385061-17-4C21H19N3O4
- 2-[4-({[(9H-Fluoren-9-yl)methoxy]carbonyl}amino)-1H-pyrazol-1-yl]propanoic acid2383850-88-0C21H19N3O4
- 5-({[(9H-Fluoren-9-yl)methoxy]carbonyl}amino)-1,2-dimethyl-1H-imidazole-4-carboxylic acid2580254-46-0C21H19N3O4
- 3-({[(9H-Fluoren-9-yl)methoxy]carbonyl}amino)-1,5-dimethyl-1H-pyrazole-4-carboxylic acid2639444-79-2C21H19N3O4
- rac-(4R,6R)-5-[(Benzyloxy)carbonyl]-4-phenyl-3H,4H,5H,6H,7H-imidazo[4,5-c]pyridine-6-carboxylic acid2639375-06-5C21H19N3O4
- 3-({[(Benzyloxy)carbonyl](2-methylpyrimidin-4-yl)amino}methyl)benzoic acid2680662-21-7C21H19N3O4
- Benzyl N-[3-(1-benzofuran-2-yl)-1-(2-hydroxyethyl)-1H-pyrazol-5-yl]carbamate2680680-06-0C21H19N3O4
- 2-[({[(9H-Fluoren-9-yl)methoxy]carbonyl}amino)methyl]-1-methyl-1H-imidazole-5-carboxylic acid2680778-00-9C21H19N3O4
- 3-({[(Benzyloxy)carbonyl](4-methylpyrimidin-2-yl)amino}methyl)benzoic acid2680729-59-1C21H19N3O4
- (9H-Fluoren-9-yl)methyl N-{6-hydroxy-5H,6H,7H-pyrazolo[3,2-b][1,3]oxazin-3-yl}carbamate2763927-53-1C21H19N3O4
- (9H-Fluoren-9-yl)methyl N-[(4-hydroxy-5-methoxypyrimidin-2-yl)methyl]carbamate2763923-27-7C21H19N3O4
- 3-[2-({[(9H-Fluoren-9-yl)methoxy]carbonyl}amino)-1H-imidazol-4-yl]propanoic acid2770556-31-3C21H19N3O4
- Benzyl N-[6-(3-hydroxybenzamido)-5-methylpyridin-3-yl]carbamate2763915-07-5C21H19N3O4
- 5-[({[(9H-Fluoren-9-yl)methoxy]carbonyl}amino)methyl]-1-methyl-1H-pyrazole-3-carboxylic acid2870645-45-5C21H19N3O4
- 4-[[(E)-2-Cyano-3-(4-morpholin-4-ylphenyl)prop-2-enoyl]amino]benzoic acidC21H19N3O4
- 3-Nitro-N-[6-(2-propan-2-ylphenoxy)-3-pyridinyl]benzamide224794-90-5C21H19N3O4
- Ethyl 2-[4-[(Z)-2-(1H-benzoimidazol-2-yl)-2-cyano-ethenyl]-2-methoxy-phenoxy]acetateC21H19N3O4
- Desmethylene cis-ent-Tadalafil1797099-86-5C21H19N3O4
- Desmethylene ent-Tadalafil2520114-84-3C21H19N3O4
- N-(2-(2,6-Dioxopiperidin-3-yl)-1-oxoisoindolin-4-yl)-2-methylbenzamide2321729-33-1C21H19N3O4
- N-[2-(2,6-Dioxo-3-piperidyl)-1-oxo-isoindolin-4-yl]-2-phenyl-acetamide2321703-76-6C21H19N3O4
- (2R)-2-(9H-Fluoren-9-ylmethoxycarbonylamino)-2-(1-methylpyrazol-4-yl)acetic acid2322623-55-0C21H19N3O4
- (2S)-2-(9H-Fluoren-9-ylmethoxycarbonylamino)-2-(1-methylpyrazol-4-yl)acetic acid2350777-00-1C21H19N3O4
Frequently asked questions
What is the molar mass of C21H19N3O4?
The molar mass of C21H19N3O4 is 377.40 g/mol, calculated from standard atomic weights for 21 carbon atoms, 19 hydrogen atoms, 3 nitrogen atoms and 4 oxygen atoms. The monoisotopic mass is 377.1376 Da.
How many compounds have the formula C21H19N3O4?
CompoundList lists 263 compounds with the molecular formula C21H19N3O4, including 4-{2-Cyano-3-[4-(morpholin-4-yl)phenyl]prop-2-enamido}benzoic acid, Ethyl (2E)-2-benzoyl-3-[(8-methyl-4-oxo-4H-pyrido[1,2-a]pyrimidin-3-yl)amino]prop-2-enoate, 2-{2-[({[(9H-Fluoren-9-yl)methoxy]carbonyl}amino)methyl]-1H-imidazol-1-yl}acetic acid. 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 C21H19N3O4?
C21H19N3O4 has a degree of unsaturation of 14. 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.