Molecular formula

C₁₉H₂₁N₅O₄

135 compounds have this formula on CompoundList.

Molar mass: 383.41g/mol
Monoisotopic mass: 391.2096Da
Atoms: 49
Elements: 4
Rings plus double bonds: 12

The formula C19H21N5O4 describes a molecule made of 19 carbon atoms, 21 hydrogen atoms, 5 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 × 1959.52%
12.011 × 19 = 228.209 g/mol
H Hydrogen × 215.52%
1.008 × 21 = 21.168 g/mol
N Nitrogen × 518.27%
14.007 × 5 = 70.035 g/mol
O Oxygen × 416.69%
15.999 × 4 = 63.996 g/mol

Look up another formula

Compounds with the formula C19H21N5O4

Isomers we list, best known first. Open one to see its structure, properties, safety data and suppliers.

Showing 101 to 135 of 135 compounds

3-(2-(3-((6-(Dimethylamino)pyridazin-3-yl)oxy)pyrrolidin-1-yl)-2-oxoethyl)benzo[d]oxazol-2(3H)-one

CAS 2034479-10-0C₁₉H₂₁N₅O₄

Methyl 4-(3-(4-((2-oxopyrrolidin-1-yl)methyl)-1H-1,2,3-triazol-1-yl)azetidine-1-carbonyl)benzoate

CAS 2034593-76-3C₁₉H₂₁N₅O₄

1-((1-(1-(2,3-Dihydrobenzo[b][1,4]dioxine-2-carbonyl)azetidin-3-yl)-1H-1,2,3-triazol-4-yl)methyl)pyrrolidin-2-one

CAS 2034250-58-1C₁₉H₂₁N₅O₄

1-((1-(1-(2-(Benzo[d][1,3]dioxol-5-yl)acetyl)azetidin-3-yl)-1H-1,2,3-triazol-4-yl)methyl)pyrrolidin-2-one

CAS 2034407-38-8C₁₉H₂₁N₅O₄

Benzyl (2-(((3-(1-ethyl-1H-pyrrol-2-yl)-1,2,4-oxadiazol-5-yl)methyl)amino)-2-oxoethyl)carbamate

CAS 2034502-64-0C₁₉H₂₁N₅O₄

2-((2,2-Dimethyl-2,3-dihydrobenzofuran-7-yl)oxy)-N-((8-methoxy-[1,2,4]triazolo[4,3-a]pyrazin-3-yl)methyl)acetamide

CAS 2034351-70-5C₁₉H₂₁N₅O₄

1-((3-(5-Cyclopropylisoxazol-3-yl)-1,2,4-oxadiazol-5-yl)methyl)-3-(4-methoxyphenethyl)urea

CAS 1903044-77-8C₁₉H₂₁N₅O₄

3-(4-Oxoquinazolin-3(4H)-yl)-N-((3-(tetrahydro-2H-pyran-4-yl)-1,2,4-oxadiazol-5-yl)methyl)propanamide

CAS 2034462-32-1C₁₉H₂₁N₅O₄

2-((2,2-Dimethyl-2,3-dihydrobenzofuran-7-yl)oxy)-N-((3-(1-methyl-1H-pyrazol-4-yl)-1,2,4-oxadiazol-5-yl)methyl)acetamide

CAS 2034532-58-4C₁₉H₂₁N₅O₄

2,3,4-Trimethoxy-N-{[3-(1-methyl-1H-pyrazol-4-yl)pyrazin-2-yl]methyl}benzamide

CAS 2034395-40-7C₁₉H₂₁N₅O₄

N-(1-(4,5-Dimethyl-6-oxo-1,6-dihydropyrimidin-2-yl)-3-methyl-1H-pyrazol-5-yl)-2,4-dimethoxybenzamide

CAS 1004680-10-7C₁₉H₂₁N₅O₄

N-(1-(4,5-Dimethyl-6-oxo-1,6-dihydropyrimidin-2-yl)-3-methyl-1H-pyrazol-5-yl)-2,3-dimethoxybenzamide

CAS 1004680-12-9C₁₉H₂₁N₅O₄

N-(1-(4,5-Dimethyl-6-oxo-1,6-dihydropyrimidin-2-yl)-3-methyl-1H-pyrazol-5-yl)-3,5-dimethoxybenzamide

CAS 1004680-13-0C₁₉H₂₁N₅O₄

N-(1-(4,5-Dimethyl-6-oxo-1,6-dihydropyrimidin-2-yl)-3-methyl-1H-pyrazol-5-yl)-2-(2-methoxyphenoxy)acetamide

CAS 1004680-55-0C₁₉H₂₁N₅O₄

N-(1-(4,5-Dimethyl-6-oxo-1,6-dihydropyrimidin-2-yl)-3-methyl-1H-pyrazol-5-yl)-2-(4-methoxyphenoxy)acetamide

CAS 1004680-57-2C₁₉H₂₁N₅O₄

N-(1-(4-Ethyl-6-oxo-1,6-dihydropyrimidin-2-yl)-3-methyl-1H-pyrazol-5-yl)-3,4-dimethoxybenzamide

CAS 1006290-40-9C₁₉H₂₁N₅O₄

2-(3,4-Dimethoxyphenyl)-N-(3-methyl-1-(4-methyl-6-oxo-1,6-dihydropyrimidin-2-yl)-1H-pyrazol-5-yl)acetamide

CAS 1004154-42-0C₁₉H₂₁N₅O₄

N-(1-(4-Ethyl-6-oxo-1,6-dihydropyrimidin-2-yl)-3-methyl-1H-pyrazol-5-yl)-3,5-dimethoxybenzamide

CAS 1002484-03-8C₁₉H₂₁N₅O₄

N-(1-(4-Ethyl-6-oxo-1,6-dihydropyrimidin-2-yl)-3-methyl-1H-pyrazol-5-yl)-2-(2-methoxyphenoxy)acetamide

CAS 1003964-55-3C₁₉H₂₁N₅O₄

N-(1-(4-Ethyl-6-oxo-1,6-dihydropyrimidin-2-yl)-3-methyl-1H-pyrazol-5-yl)-2-(4-methoxyphenoxy)acetamide

CAS 1003964-57-5C₁₉H₂₁N₅O₄

N-(1-(4-Methyl-6-oxo-1,6-dihydropyrimidin-2-yl)piperidin-4-yl)-2-(2-oxobenzo[d]oxazol-3(2H)-yl)acetamide

CAS 1903168-53-5C₁₉H₂₁N₅O₄

1H-Imidazo(2,1-f)purine-2,4(3H,8H)-dione, 8-(2-hydroxyethyl)-3-(2-hydroxypropyl)-1-methyl-7-phenyl-

CAS 85592-18-3C₁₉H₂₁N₅O₄

2-{2-[4-(3-Nitrophenyl)piperazin-1-yl]ethyl}-2H,3H,4H-pyrido[3,2-b][1,4]oxazin-3-one

CAS 1263386-35-1C₁₉H₂₁N₅O₄

1-(2-(4-Cyclopropyl-3-(furan-2-yl)-5-oxo-4,5-dihydro-1H-1,2,4-triazol-1-yl)ethyl)-3-(3-methoxyphenyl)urea

CAS 2329510-00-9C₁₉H₂₁N₅O₄

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What is the molar mass of C19H21N5O4?

The molar mass of C19H21N5O4 is 383.41 g/mol, calculated from standard atomic weights for 19 carbon atoms, 21 hydrogen atoms, 5 nitrogen atoms and 4 oxygen atoms. The monoisotopic mass is 391.2096 Da.

How many compounds have the formula C19H21N5O4?

CompoundList lists 135 compounds with the molecular formula C19H21N5O4, including 3-(2-(3-((6-(Dimethylamino)pyridazin-3-yl)oxy)pyrrolidin-1-yl)-2-oxoethyl)benzo[d]oxazol-2(3H)-one, Methyl 4-(3-(4-((2-oxopyrrolidin-1-yl)methyl)-1H-1,2,3-triazol-1-yl)azetidine-1-carbonyl)benzoate, 1-((1-(1-(2,3-Dihydrobenzo[b][1,4]dioxine-2-carbonyl)azetidin-3-yl)-1H-1,2,3-triazol-4-yl)methyl)pyrrolidin-2-one. 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 C19H21N5O4?

C19H21N5O4 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.