Molecular formula

C₂₁H₁₈N₆O₂

61 compounds have this formula on CompoundList.

Molar mass: 386.42g/mol
Monoisotopic mass: 386.1491Da
Atoms: 47
Elements: 4
Rings plus double bonds: 16

The formula C21H18N6O2 describes a molecule made of 21 carbon atoms, 18 hydrogen atoms, 6 nitrogen atoms and 2 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 × 2165.27%
12.011 × 21 = 252.231 g/mol
H Hydrogen × 184.70%
1.008 × 18 = 18.144 g/mol
N Nitrogen × 621.75%
14.007 × 6 = 84.042 g/mol
O Oxygen × 28.28%
15.999 × 2 = 31.998 g/mol

Look up another formula

Compounds with the formula C21H18N6O2

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

Showing 1 to 61 of 61 compounds

1-Allyl-2-imino-5-oxo-N-(3-pyridinylmethyl)-1,5-dihydro-2H-dipyrido(1,2-A:2,3-D)pyrimidine-3-carboxamide

CAS 510761-29-2C₂₁H₁₈N₆O₂

6-[2-(3,4-Dihydro-2H-quinolin-1-yl)-2-oxoethyl]-3-phenyltriazolo[4,5-d]pyrimidin-7-one

CAS 863018-59-1C₂₁H₁₈N₆O₂

7-(3,4-Dimethoxyphenyl)-N-1H-indazol-6-ylimidazo[1,2-c]pyrimidin-5-amine

CAS 371171-15-2C₂₁H₁₈N₆O₂

N-(4-((6-(1H-Imidazol-1-yl)pyrimidin-4-yl)amino)phenyl)-2-methoxybenzamide

CAS 1170153-20-4C₂₁H₁₈N₆O₂

(E)-N-Allyl-2-amino-1-((2-hydroxybenzylidene)amino)-1H-pyrrolo[2,3-b]quinoxaline-3-carboxamide

CAS 578736-15-9C₂₁H₁₈N₆O₂

N-(3,4-Dimethoxyphenyl)-6-(1H-indazol-6-yl)imidazo[1,2-a]pyrazin-8-amine

CAS 1229206-47-6C₂₁H₁₈N₆O₂

N-(3,4-Dimethoxyphenyl)-6-(1H-indazol-5-yl)imidazo[1,2-a]pyrazin-8-amine

CAS 1229206-41-0C₂₁H₁₈N₆O₂

$2-[10-(3,5-Dimethylphenyl)-3,5,6,8,10,11-hexaazatricyclo[7.3.0.0^{2,6}]dodeca-1(9),2,4,7,11-pentaen-4-yl]-5-methoxyphenol chemical structure, C21H18N6O2, CAS 900883-91-2$

2-[10-(3,5-Dimethylphenyl)-3,5,6,8,10,11-hexaazatricyclo[7.3.0.0^{2,6}]dodeca-1(9),2,4,7,11-pentaen-4-yl]-5-methoxyphenol

CAS 900883-91-2C₂₁H₁₈N₆O₂

3-(3,4-Dimethoxyphenyl)-7-(o-tolyl)-7H-pyrazolo[4,3-e][1,2,4]triazolo[4,3-c]pyrimidine

CAS 900294-67-9C₂₁H₁₈N₆O₂

2-(7-(2,4-Dimethylphenyl)-7H-pyrazolo[4,3-e][1,2,4]triazolo[4,3-c]pyrimidin-3-yl)-5-methoxyphenol

CAS 896816-13-0C₂₁H₁₈N₆O₂

2-(7-(2,4-Dimethylphenyl)-7H-pyrazolo[4,3-e][1,2,4]triazolo[1,5-c]pyrimidin-2-yl)-5-methoxyphenol

CAS 899383-28-9C₂₁H₁₈N₆O₂

$4-(3,4-Dimethoxyphenyl)-10-(2-methylphenyl)-3,5,6,8,10,11-hexaazatricyclo[7.3.0.0^{2,6}]dodeca-1(9),2,4,7,11-pentaene chemical structure, C21H18N6O2, CAS 900283-00-3$

4-(3,4-Dimethoxyphenyl)-10-(2-methylphenyl)-3,5,6,8,10,11-hexaazatricyclo[7.3.0.0^{2,6}]dodeca-1(9),2,4,7,11-pentaene

CAS 900283-00-3C₂₁H₁₈N₆O₂

$2-[10-(3,4-Dimethylphenyl)-3,5,6,8,10,11-hexaazatricyclo[7.3.0.0^{2,6}]dodeca-1(9),2,4,7,11-pentaen-4-yl]-5-methoxyphenol chemical structure, C21H18N6O2, CAS 899414-38-1$

2-[10-(3,4-Dimethylphenyl)-3,5,6,8,10,11-hexaazatricyclo[7.3.0.0^{2,6}]dodeca-1(9),2,4,7,11-pentaen-4-yl]-5-methoxyphenol

CAS 899414-38-1C₂₁H₁₈N₆O₂

N2-(benzo[d][1,3]dioxol-5-ylmethyl)-N4-(p-tolyl)pteridine-2,4-diamine

CAS 946297-02-5C₂₁H₁₈N₆O₂

$6-Imino-2-oxo-N-(prop-2-en-1-yl)-7-[(pyridin-3-yl)methyl]-1,7,9-triazatricyclo[8.4.0.0^{3,8}]tetradeca-3(8),4,9,11,13-pentaene-5-carboxamide chemical structure, C21H18N6O2, CAS 369401-59-2$

6-Imino-2-oxo-N-(prop-2-en-1-yl)-7-[(pyridin-3-yl)methyl]-1,7,9-triazatricyclo[8.4.0.0^{3,8}]tetradeca-3(8),4,9,11,13-pentaene-5-carboxamide

CAS 369401-59-2C₂₁H₁₈N₆O₂

(1-Methyl-3-phenyl-1H-pyrazol-5-yl)(3-(3-(pyridin-2-yl)-1,2,4-oxadiazol-5-yl)azetidin-1-yl)methanone

CAS 1251545-54-6C₂₁H₁₈N₆O₂

N-(4-((6-(1H-Pyrazol-1-yl)pyrimidin-4-yl)amino)phenyl)-3-methoxybenzamide

CAS 1172418-90-4C₂₁H₁₈N₆O₂

(E)-3-(Furan-2-yl)-N-(4-((2-methyl-6-(1H-pyrazol-1-yl)pyrimidin-4-yl)amino)phenyl)acrylamide

CAS 1251711-90-6C₂₁H₁₈N₆O₂

N-(4-Cyanophenyl)-2-(1-isopropyl-4-oxo-[1,2,4]triazolo[4,3-a]quinoxalin-5(4H)-yl)acetamide

CAS 1260904-23-1C₂₁H₁₈N₆O₂

N-(3-Cyanophenyl)-2-(4-oxo-1-propyl[1,2,4]triazolo[4,3-a]quinoxalin-5(4H)-yl)acetamide

CAS 1260949-31-2C₂₁H₁₈N₆O₂

N-(4-Cyanophenyl)-2-(4-oxo-1-propyl[1,2,4]triazolo[4,3-a]quinoxalin-5(4H)-yl)acetamide

CAS 1261018-00-1C₂₁H₁₈N₆O₂

6-[2-(2,3-Dihydroindol-1-yl)-2-oxoethyl]-3-(3-methylphenyl)triazolo[4,5-d]pyrimidin-7-one

CAS 872591-00-9C₂₁H₁₈N₆O₂

N~2~-(1,3-benzodioxol-5-ylmethyl)-N~4~-benzylpteridine-2,4-diamine

CAS 1144436-22-5C₂₁H₁₈N₆O₂

N-(4-((6-(1H-Imidazol-1-yl)pyrimidin-4-yl)amino)phenyl)-2-phenoxyacetamide

CAS 1203087-94-8C₂₁H₁₈N₆O₂

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What is the molar mass of C21H18N6O2?

The molar mass of C21H18N6O2 is 386.42 g/mol, calculated from standard atomic weights for 21 carbon atoms, 18 hydrogen atoms, 6 nitrogen atoms and 2 oxygen atoms. The monoisotopic mass is 386.1491 Da.

How many compounds have the formula C21H18N6O2?

CompoundList lists 61 compounds with the molecular formula C21H18N6O2, including 1-Allyl-2-imino-5-oxo-N-(3-pyridinylmethyl)-1,5-dihydro-2H-dipyrido(1,2-A:2,3-D)pyrimidine-3-carboxamide, 6-[2-(3,4-Dihydro-2H-quinolin-1-yl)-2-oxoethyl]-3-phenyltriazolo[4,5-d]pyrimidin-7-one, 7-(3,4-Dimethoxyphenyl)-N-1H-indazol-6-ylimidazo[1,2-c]pyrimidin-5-amine. 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 C21H18N6O2?

C21H18N6O2 has a degree of unsaturation of 16. 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.