Molecular formula

C₂₁H₁₉N₃O₇

14 compounds have this formula on CompoundList.

Molar mass: 425.40g/mol
Monoisotopic mass: 425.1223Da
Atoms: 50
Elements: 4
Rings plus double bonds: 14

The formula C21H19N3O7 describes a molecule made of 21 carbon atoms, 19 hydrogen atoms, 3 nitrogen atoms and 7 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 × 2159.29%
12.011 × 21 = 252.231 g/mol
H Hydrogen × 194.50%
1.008 × 19 = 19.152 g/mol
N Nitrogen × 39.88%
14.007 × 3 = 42.021 g/mol
O Oxygen × 726.33%
15.999 × 7 = 111.993 g/mol

Look up another formula

Compounds with the formula C21H19N3O7

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

Showing 1 to 14 of 14 compounds

N-(2,3-Dihydrobenzo[b][1,4]dioxin-6-yl)-3-(3,4-dimethoxyphenyl)-2,4-dioxo-1,2,3,4-tetrahydropyrimidine-5-carboxamide

CAS 887886-16-0C₂₁H₁₉N₃O₇

Furan-2-yl-[4-[5-[(2-nitrophenoxy)methyl]furan-2-carbonyl]piperazin-1-yl]methanone

CAS 515831-93-3C₂₁H₁₉N₃O₇

N-(2-Methoxy-5-nitrophenyl)-1,3-dioxo-2-(oxolan-2-ylmethyl)isoindole-5-carboxamide

CAS 355403-13-3C₂₁H₁₉N₃O₇

(5Z)-5-[(2-Hydroxy-3-methoxy-5-nitrophenyl)methylidene]-1-(4-propan-2-ylphenyl)-1,3-diazinane-2,4,6-trione

CAS 423739-82-6C₂₁H₁₉N₃O₇

N-(2H-1,3-Benzodioxol-5-yl)-1-(3,4-dimethoxyphenyl)-6-methoxy-4-oxo-1,4-dihydropyridazine-3-carboxamide

CAS 1251704-80-9C₂₁H₁₉N₃O₇

(5E)-5-[(4,5-Dimethoxy-2-nitrophenyl)methylidene]-1-(3,4-dimethylphenyl)-1,3-diazinane-2,4,6-trione

CAS 347387-54-6C₂₁H₁₉N₃O₇

Ethyl 2-[2-[2-(4-nitroanilino)-2-oxoethyl]-1-oxoisoquinolin-5-yl]oxyacetate

CAS 868224-18-4C₂₁H₁₉N₃O₇

2-(1,3-Dihydro-1,3-dioxo-2H-isoindol-2-yl)ethyl 4-(4-morpholinyl)-3-nitrobenzoate

CAS 573965-50-1C₂₁H₁₉N₃O₇

N-(2,5-Dimethoxyphenyl)-1-((3-nitrobenzyl)oxy)-2-oxo-1,2-dihydropyridine-3-carboxamide

CAS 852366-02-0C₂₁H₁₉N₃O₇

N-(2,4-Dimethoxyphenyl)-1-((3-nitrobenzyl)oxy)-2-oxo-1,2-dihydropyridine-3-carboxamide

CAS 852365-95-8C₂₁H₁₉N₃O₇

5-(4-Phthalimidobut-1-yn-1-yl)-2'-deoxvuridine

CAS 134140-85-5C₂₁H₁₉N₃O₇

(5E)-1-(2,4-Dimethylphenyl)-5-[(3-ethoxy-4-hydroxy-5-nitro-phenyl)methylidene]-1,3-diazinane-2,4,6-trione

CAS 6572-54-9C₂₁H₁₉N₃O₇

4H-Imidazol-4-one, 3,5-dihydro-5-((4-(acetyloxy)-3-methoxyphenyl)methylene)-3-(2-methoxy-4-nitrophenyl)-2-methyl-

CAS 78311-95-2C₂₁H₁₉N₃O₇

4,4'-[(6-Butoxy-1,3,5-triazine-2,4-diyl)bis(oxy)]dibenzoic acid

CAS 62500-67-8C₂₁H₁₉N₃O₇

Frequently asked questions

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What is the molar mass of C21H19N3O7?

The molar mass of C21H19N3O7 is 425.40 g/mol, calculated from standard atomic weights for 21 carbon atoms, 19 hydrogen atoms, 3 nitrogen atoms and 7 oxygen atoms. The monoisotopic mass is 425.1223 Da.

How many compounds have the formula C21H19N3O7?

CompoundList lists 14 compounds with the molecular formula C21H19N3O7, including N-(2,3-Dihydrobenzo[b][1,4]dioxin-6-yl)-3-(3,4-dimethoxyphenyl)-2,4-dioxo-1,2,3,4-tetrahydropyrimidine-5-carboxamide, Furan-2-yl-[4-[5-[(2-nitrophenoxy)methyl]furan-2-carbonyl]piperazin-1-yl]methanone, N-(2-Methoxy-5-nitrophenyl)-1,3-dioxo-2-(oxolan-2-ylmethyl)isoindole-5-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 C21H19N3O7?

C21H19N3O7 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.