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 1 to 100 of 135 compounds

Prazosin

CAS 19216-56-9C₁₉H₂₁N₅O₄

3-(1-Methyl-1H-pyrrol-2-yl)-N'-[(E)-(2,4,5-trimethoxyphenyl)methylidene]-1H-pyrazole-5-carbohydrazide

CAS 303106-79-8C₁₉H₂₁N₅O₄

1,3-Dimethyl-8-(4-morpholinyl)-7-(2-oxo-2-PH-ET)-3,7-dihydro-1H-purine-2,6-dione

CAS 111442-55-8C₁₉H₂₁N₅O₄

PD 117519

CAS 96392-15-3C₁₉H₂₁N₅O₄

Methyl 2-(9-benzyl-1-methyl-2,4-dioxo-7,8-dihydro-6H-purino[7,8-a]pyrimidin-3-yl)acetate

CAS 849912-70-5C₁₉H₂₁N₅O₄

2-[1-Methyl-10-(4-methylphenyl)-2,4-dioxo-6,7,8,9-tetrahydropurino[7,8-a][1,3]diazepin-3-yl]acetic acid

CAS 383377-41-1C₁₉H₂₁N₅O₄

2-(1-tert-Butyl-4-oxopyrazolo[3,4-d]pyrimidin-5-yl)-N-(2,3-dihydro-1,4-benzodioxin-6-yl)acetamide

CAS 863447-92-1C₁₉H₂₁N₅O₄

N-(1,3-Benzodioxol-5-ylmethyl)-2-(1-tert-butyl-4-oxopyrazolo[3,4-d]pyrimidin-5-yl)acetamide

CAS 863448-08-2C₁₉H₂₁N₅O₄

[1-Methyl-2,4-dioxo-9-(2-phenylethyl)-1,4,6,7,8,9-hexahydropyrimido[2,1-f]purin-3(2H)-yl]acetic acid

CAS 878736-23-3C₁₉H₂₁N₅O₄

N-[(3,4-Dimethoxyphenyl)methyl]-N-methyl-2-[3-(tetrazol-1-yl)phenoxy]acetamide

CAS 851473-47-7C₁₉H₂₁N₅O₄

N-(2,3-Dihydro-1H-inden-1-yl)adenosine

CAS 96323-20-5C₁₉H₂₁N₅O₄

2-[1,7-Dimethyl-9-(4-methylphenyl)-2,4-dioxo-7,8-dihydro-6H-purino[7,8-a]pyrimidin-3-yl]acetic acid

CAS 878423-70-2C₁₉H₂₁N₅O₄

2-(9-Benzyl-1,7-dimethyl-2,4-dioxo-7,8-dihydro-6H-purino[7,8-a]pyrimidin-3-yl)acetic acid

CAS 878736-35-7C₁₉H₂₁N₅O₄

2-[1,7-Dimethyl-9-(3-methylphenyl)-2,4-dioxo-7,8-dihydro-6H-purino[7,8-a]pyrimidin-3-yl]acetic acid

CAS 878423-65-5C₁₉H₂₁N₅O₄

N(6)-Phenyl-N(6)-allyladenosine

CAS 71735-91-6C₁₉H₂₁N₅O₄

8-(3-Hydroxypropyl)-7-(4-methoxyphenyl)-1,3-dimethyl-1H-imidazo[2,1-f]purine-2,4(3H,8H)-dione

CAS 376383-02-7C₁₉H₂₁N₅O₄

$Methyl 6-imino-7-[2-(morpholin-4-yl)ethyl]-2-oxo-1,7,9-triazatricyclo[8.4.0.0^{3,8}]tetradeca-3(8),4,9,11,13-pentaene-5-carboxylate chemical structure, C19H21N5O4, CAS 683806-78-2$

Methyl 6-imino-7-[2-(morpholin-4-yl)ethyl]-2-oxo-1,7,9-triazatricyclo[8.4.0.0^{3,8}]tetradeca-3(8),4,9,11,13-pentaene-5-carboxylate

CAS 683806-78-2C₁₉H₂₁N₅O₄

4-(Cyclopropanecarboxamido)-N-(2-(2-(6-oxopyridazin-1(6H)-yl)acetamido)ethyl)benzamide

CAS 1203375-44-3C₁₉H₂₁N₅O₄

N-(Benzo[d][1,3]dioxol-5-yl)-3-(1-(tert-butyl)-4-oxo-1H-pyrazolo[3,4-d]pyrimidin-5(4H)-yl)propanamide

CAS 946234-44-2C₁₉H₂₁N₅O₄

N-(2,5-Dimethoxyphenyl)-2-(1-oxo-7,8,9,10-tetrahydro-[1,2,4]triazino[4,5-b]indazol-2(1H)-yl)acetamide

CAS 1021252-64-1C₁₉H₂₁N₅O₄

1H-Imidazo(2,1-f)purine-2,4(3H,8H)-dione, 1,7-dimethyl-8-(3,4-dimethoxyphenethyl)-

CAS 85592-09-2C₁₉H₂₁N₅O₄

Ethyl 2-(1-methyl-2,4-dioxo-9-phenyl-7,8-dihydro-6H-purino[7,8-a]pyrimidin-3-yl)acetate

CAS 164410-88-2C₁₉H₂₁N₅O₄

Prazosin-d8

CAS 1006717-55-0C₁₉H₂₁N₅O₄

Ethyl 4-(1,7-dimethyl-2,4-dioxo-7,8-dihydro-6H-purino[7,8-a]pyrimidin-9-yl)benzoate

CAS 879463-18-0C₁₉H₂₁N₅O₄

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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 Prazosin, 3-(1-Methyl-1H-pyrrol-2-yl)-N'-[(E)-(2,4,5-trimethoxyphenyl)methylidene]-1H-pyrazole-5-carbohydrazide, 1,3-Dimethyl-8-(4-morpholinyl)-7-(2-oxo-2-PH-ET)-3,7-dihydro-1H-purine-2,6-dione. 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.