Molecular formula
C21H19N5O5
48 compounds have this formula on CompoundList.
- Molar mass
- 421.41g/mol
- Monoisotopic mass
- 421.1386Da
- Atoms
- 50
- Elements
- 4
- Rings plus double bonds
- 15
The formula C21H19N5O5 describes a molecule made of 21 carbon atoms, 19 hydrogen atoms, 5 nitrogen atoms 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 × 2159.85%12.011 × 21 = 252.231 g/mol
- H Hydrogen × 194.54%1.008 × 19 = 19.152 g/mol
- N Nitrogen × 516.62%14.007 × 5 = 70.035 g/mol
- O Oxygen × 518.98%15.999 × 5 = 79.995 g/mol
Look up another formula
Compounds with the formula C21H19N5O5
Isomers we list, best known first. Open one to see its structure, properties, safety data and suppliers.
Showing 1 to 48 of 48 compounds
![N-[4-(Morpholine-4-carbonyl)-2-phenylpyrazol-3-yl]-4-nitrobenzamide chemical structure, C21H19N5O5, CAS 301322-40-7](/s/GXSWLKAMHSUMPC-UHFFFAOYSA-N.svg)
N-[4-(Morpholine-4-carbonyl)-2-phenylpyrazol-3-yl]-4-nitrobenzamide
CAS 301322-40-7C21H19N5O5
![2-Amino-4-{4-methoxy-3-[(4-nitro-1H-pyrazol-1-yl)methyl]phenyl}-5-oxo-5,6,7,8-tetrahydro-4H-chromene-3-carbonitrile chemical structure, C21H19N5O5, CAS 304867-97-8](/s/MOUIBJBYHBPEQG-UHFFFAOYSA-N.svg)
2-Amino-4-{4-methoxy-3-[(4-nitro-1H-pyrazol-1-yl)methyl]phenyl}-5-oxo-5,6,7,8-tetrahydro-4H-chromene-3-carbonitrile
CAS 304867-97-8C21H19N5O5
2-(2,4-Dimethoxyphenyl)-9-(2-methoxyphenyl)-8-oxo-8,9-dihydro-7H-purine-6-carboxamide
CAS 869069-45-4C21H19N5O5
![N-(Benzo[d][1,3]dioxol-5-yl)-2-(3,4-dioxo-8-(p-tolyl)-3,4,7,8-tetrahydroimidazo[2,1-c][1,2,4]triazin-2(6H)-yl)acetamide chemical structure, C21H19N5O5, CAS 941936-78-3](/s/TXYWUTASRMVLDS-UHFFFAOYSA-N.svg)
N-(Benzo[d][1,3]dioxol-5-yl)-2-(3,4-dioxo-8-(p-tolyl)-3,4,7,8-tetrahydroimidazo[2,1-c][1,2,4]triazin-2(6H)-yl)acetamide
CAS 941936-78-3C21H19N5O5
9-(3,4-Dimethoxyphenyl)-2-(4-methoxyphenyl)-8-oxo-8,9-dihydro-7H-purine-6-carboxamide
CAS 898422-64-5C21H19N5O5
![Methyl 7-(2-methoxyphenyl)-6-[(3-methoxyphenyl)carbonyl]-4,7-dihydrotetrazolo[1,5-a]pyrimidine-5-carboxylate chemical structure, C21H19N5O5, CAS 889955-79-7](/s/MDSJRYKLCHKABG-UHFFFAOYSA-N.svg)
Methyl 7-(2-methoxyphenyl)-6-[(3-methoxyphenyl)carbonyl]-4,7-dihydrotetrazolo[1,5-a]pyrimidine-5-carboxylate
CAS 889955-79-7C21H19N5O5
2-(1,3-Dimethyl-2,6-dioxo-8-((4-phenoxyphenyl)amino)-2,3-dihydro-1H-purin-7(6H)-yl)acetic acid
CAS 946272-94-2C21H19N5O5
2-(2,5-Dimethoxyphenyl)-9-(2-methoxyphenyl)-8-oxo-8,9-dihydro-7H-purine-6-carboxamide
CAS 869069-55-6C21H19N5O5
2-(3,4-Dimethoxyphenyl)-9-(2-methoxyphenyl)-8-oxo-8,9-dihydro-7H-purine-6-carboxamide
CAS 869069-25-0C21H19N5O5
N-(3-Methoxyphenyl)-2-(3-((3-methyl-1,2,4-oxadiazol-5-yl)methyl)-2,4-dioxo-3,4-dihydroquinazolin-1(2H)-yl)acetamide
CAS 941934-38-9C21H19N5O5
![N-(3,4-Dimethoxyphenyl)-2-{3-oxo-8-phenoxy-2H,3H-[1,2,4]triazolo[4,3-a]pyrazin-2-yl}acetamide chemical structure, C21H19N5O5, CAS 1251601-88-3](/s/QNHPJYQABNCNLN-UHFFFAOYSA-N.svg)
N-(3,4-Dimethoxyphenyl)-2-{3-oxo-8-phenoxy-2H,3H-[1,2,4]triazolo[4,3-a]pyrazin-2-yl}acetamide
CAS 1251601-88-3C21H19N5O5
![N-(3,5-Dimethoxyphenyl)-2-{3-oxo-8-phenoxy-2H,3H-[1,2,4]triazolo[4,3-a]pyrazin-2-yl}acetamide chemical structure, C21H19N5O5, CAS 1251544-19-0](/s/NWGZGGJOGOJVCL-UHFFFAOYSA-N.svg)
N-(3,5-Dimethoxyphenyl)-2-{3-oxo-8-phenoxy-2H,3H-[1,2,4]triazolo[4,3-a]pyrazin-2-yl}acetamide
CAS 1251544-19-0C21H19N5O5
![2-[8-(3-Methoxyphenoxy)-3-oxo-2H,3H-[1,2,4]triazolo[4,3-a]pyrazin-2-yl]-N-(3-methoxyphenyl)acetamide chemical structure, C21H19N5O5, CAS 1251544-60-1](/s/ATNYOSKIKRCGJB-UHFFFAOYSA-N.svg)
2-[8-(3-Methoxyphenoxy)-3-oxo-2H,3H-[1,2,4]triazolo[4,3-a]pyrazin-2-yl]-N-(3-methoxyphenyl)acetamide
CAS 1251544-60-1C21H19N5O5
![2-[8-(3-Methoxyphenoxy)-3-oxo-2H,3H-[1,2,4]triazolo[4,3-a]pyrazin-2-yl]-N-(4-methoxyphenyl)acetamide chemical structure, C21H19N5O5, CAS 1251602-52-4](/s/YGQUUZJVVYXRSE-UHFFFAOYSA-N.svg)
2-[8-(3-Methoxyphenoxy)-3-oxo-2H,3H-[1,2,4]triazolo[4,3-a]pyrazin-2-yl]-N-(4-methoxyphenyl)acetamide
CAS 1251602-52-4C21H19N5O5
2-(3-Ethoxy-2-hydroxyphenyl)-9-(2-methoxyphenyl)-8-oxo-8,9-dihydro-7H-purine-6-carboxamide
CAS 869069-38-5C21H19N5O5
1H-Isoindole-1,3(2H)-dione, 2-((1-(4-morpholinylmethyl)-1H-benzimidazol-2-yl)methyl)-5-nitro-
CAS 115398-84-0C21H19N5O5
![3,4,5-Trimethoxy-N-(4-oxo-1-phenyl-1H-pyrazolo[3,4-d]pyrimidin-5(4H)-yl)benzamide chemical structure, C21H19N5O5, CAS 899752-42-2](/s/DIQNEEWBEAAURS-UHFFFAOYSA-N.svg)
3,4,5-Trimethoxy-N-(4-oxo-1-phenyl-1H-pyrazolo[3,4-d]pyrimidin-5(4H)-yl)benzamide
CAS 899752-42-2C21H19N5O5
N-(2-Methoxyphenyl)-2-(3-((3-methyl-1,2,4-oxadiazol-5-yl)methyl)-2,4-dioxo-3,4-dihydroquinazolin-1(2H)-yl)acetamide
CAS 941977-66-8C21H19N5O5
(E)-2-(2-((5-(4-Methoxy-2-nitrophenyl)furan-2-yl)methylene)hydrazinyl)-4-(methoxymethyl)-6-methylnicotinonitrile
CAS 328244-98-0C21H19N5O5
8-Oxo-9-phenyl-2-(3,4,5-trimethoxyphenyl)-8,9-dihydro-7H-purine-6-carboxamide
CAS 852452-54-1C21H19N5O5
![N-(2,4-Dimethoxyphenyl)-2-(3-oxo-8-phenoxy-[1,2,4]triazolo[4,3-a]pyrazin-2(3H)-yl)acetamide chemical structure, C21H19N5O5, CAS 1251633-60-9](/s/RKBXKAJVHODTRS-UHFFFAOYSA-N.svg)
N-(2,4-Dimethoxyphenyl)-2-(3-oxo-8-phenoxy-[1,2,4]triazolo[4,3-a]pyrazin-2(3H)-yl)acetamide
CAS 1251633-60-9C21H19N5O5
![2-(8-(3-Methoxyphenoxy)-3-oxo-[1,2,4]triazolo[4,3-a]pyrazin-2(3H)-yl)-N-(2-methoxyphenyl)acetamide chemical structure, C21H19N5O5, CAS 1251707-05-7](/s/UJMBKRBKKAYGBL-UHFFFAOYSA-N.svg)
2-(8-(3-Methoxyphenoxy)-3-oxo-[1,2,4]triazolo[4,3-a]pyrazin-2(3H)-yl)-N-(2-methoxyphenyl)acetamide
CAS 1251707-05-7C21H19N5O5
N-(2-(3-(1H-Imidazol-1-yl)-6-oxopyridazin-1(6H)-yl)ethyl)-8-ethoxy-2-oxo-2H-chromene-3-carboxamide
CAS 1396814-24-6C21H19N5O5
![3-(1-(2-(2-Oxobenzo[d]oxazol-3(2H)-yl)acetyl)piperidin-4-yl)pyrido[2,3-d]pyrimidine-2,4(1H,3H)-dione chemical structure, C21H19N5O5, CAS 2034425-84-6](/s/DUEVSOQLACBPGS-UHFFFAOYSA-N.svg)
3-(1-(2-(2-Oxobenzo[d]oxazol-3(2H)-yl)acetyl)piperidin-4-yl)pyrido[2,3-d]pyrimidine-2,4(1H,3H)-dione
CAS 2034425-84-6C21H19N5O5
- 9-(2,4-Dimethoxyphenyl)-2-(3-methoxyphenyl)-8-oxo-8,9-dihydro-7H-purine-6-carboxamide898447-08-0C21H19N5O5
- 9-(3,4-Dimethoxyphenyl)-2-(2-methoxyphenyl)-8-oxo-8,9-dihydro-7H-purine-6-carboxamide898422-63-4C21H19N5O5
- 2-(2,3-Dimethoxyphenyl)-9-(3-methoxyphenyl)-8-oxo-8,9-dihydro-7H-purine-6-carboxamide899970-85-5C21H19N5O5
- 2-(2,5-Dimethoxyphenyl)-9-(3-methoxyphenyl)-8-oxo-8,9-dihydro-7H-purine-6-carboxamide900010-76-6C21H19N5O5
- 2-(2,4-Dimethoxyphenyl)-9-(3-methoxyphenyl)-8-oxo-8,9-dihydro-7H-purine-6-carboxamide899742-06-4C21H19N5O5
- N-(Benzo[d][1,3]dioxol-5-ylmethyl)-8-(4-methoxyphenyl)-4-oxo-4,6,7,8-tetrahydroimidazo[2,1-c][1,2,4]triazine-3-carboxamide946311-36-0C21H19N5O5
- N-(2,3-Dihydrobenzo[b][1,4]dioxin-6-yl)-2-(3,4-dioxo-8-phenyl-3,4,7,8-tetrahydroimidazo[2,1-c][1,2,4]triazin-2(6H)-yl)acetamide941887-13-4C21H19N5O5
- Methyl 4-(2-(3,4-dioxo-8-phenyl-3,4,7,8-tetrahydroimidazo[2,1-c][1,2,4]triazin-2(6H)-yl)acetamido)benzoate942011-63-4C21H19N5O5
- N-(Benzo[d][1,3]dioxol-5-ylmethyl)-2-(3,4-dioxo-8-phenyl-3,4,7,8-tetrahydroimidazo[2,1-c][1,2,4]triazin-2(6H)-yl)acetamide941887-25-8C21H19N5O5
- 2-(3-Ethoxy-2-hydroxyphenyl)-9-(3-methoxyphenyl)-8-oxo-8,9-dihydro-7H-purine-6-carboxamide899970-81-1C21H19N5O5
- 9-(2,4-Dimethoxyphenyl)-2-(2-methoxyphenyl)-8-oxo-8,9-dihydro-7H-purine-6-carboxamide898442-99-4C21H19N5O5
- 9-(2,4-Dimethoxyphenyl)-2-(4-methoxyphenyl)-8-oxo-8,9-dihydro-7H-purine-6-carboxamide898422-54-3C21H19N5O5
- 9-(3,4-Dimethoxyphenyl)-2-(3-methoxyphenyl)-8-oxo-8,9-dihydro-7H-purine-6-carboxamide898447-20-6C21H19N5O5
- N-(5-Methylisoxazol-3-yl)-2-[5-(6,7-dimethoxyquinolin-4-yloxy)pyrimidin-2-yl]acetamide948594-36-3C21H19N5O5
- 9-(4-Ethoxyphenyl)-2-(2-hydroxy-3-methoxyphenyl)-8-oxo-8,9-dihydro-7H-purine-6-carboxamide898422-27-0C21H19N5O5
- 9-(2-Ethoxyphenyl)-2-(2-hydroxy-3-methoxyphenyl)-8-oxo-8,9-dihydro-7H-purine-6-carboxamide899971-09-6C21H19N5O5
- (2R)-2-{[5-({[(9H-Fluoren-9-yl)methoxy]carbonyl}amino)-1H-1,2,4-triazol-3-yl]formamido}propanoic acid2171258-26-5C21H19N5O5
- 2-{1-[5-({[(9H-Fluoren-9-yl)methoxy]carbonyl}amino)-1H-1,2,4-triazol-3-yl]-N-methylformamido}acetic acid2172217-14-8C21H19N5O5
- 3-({[(9H-Fluoren-9-yl)methoxy]carbonyl}amino)-3-[(4H-1,2,4-triazol-4-yl)carbamoyl]propanoic acid2171674-45-4C21H19N5O5
- 3-({[(9H-Fluoren-9-yl)methoxy]carbonyl}amino)-3-[(1H-1,2,4-triazol-5-yl)carbamoyl]propanoic acid2171591-77-6C21H19N5O5
- 3-[4-Amino-3-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-5-oxo-4,5-dihydro-1,2,4-triazin-6-yl]propanoic acid2384384-76-1C21H19N5O5
- 3-{[5-({[(9H-Fluoren-9-yl)methoxy]carbonyl}amino)-1H-1,2,4-triazol-3-yl]formamido}propanoic acid2172208-67-0C21H19N5O5
- (2S)-2-{[5-({[(9H-Fluoren-9-yl)methoxy]carbonyl}amino)-1H-1,2,4-triazol-3-yl]formamido}propanoic acid2171169-94-9C21H19N5O5
- 4-[4-Amino-6-(6-hydroxy-1-benzofuran-3-yl)-7-oxopteridin-8-yl]cyclohexane-1-carboxylic acid3101627-06-6C21H19N5O5
Frequently asked questions
What is the molar mass of C21H19N5O5?
The molar mass of C21H19N5O5 is 421.41 g/mol, calculated from standard atomic weights for 21 carbon atoms, 19 hydrogen atoms, 5 nitrogen atoms and 5 oxygen atoms. The monoisotopic mass is 421.1386 Da.
How many compounds have the formula C21H19N5O5?
CompoundList lists 48 compounds with the molecular formula C21H19N5O5, including N-[4-(Morpholine-4-carbonyl)-2-phenylpyrazol-3-yl]-4-nitrobenzamide, 2-Amino-4-{4-methoxy-3-[(4-nitro-1H-pyrazol-1-yl)methyl]phenyl}-5-oxo-5,6,7,8-tetrahydro-4H-chromene-3-carbonitrile, 2-(2,4-Dimethoxyphenyl)-9-(2-methoxyphenyl)-8-oxo-8,9-dihydro-7H-purine-6-carboxamide. 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 C21H19N5O5?
C21H19N5O5 has a degree of unsaturation of 15. 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.