Molecular formula

C₂₁H₂₇N₅O₃

132 compounds have this formula on CompoundList.

Molar mass: 397.48g/mol
Monoisotopic mass: 397.2114Da
Atoms: 56
Elements: 4
Rings plus double bonds: 11

The formula C21H27N5O3 describes a molecule made of 21 carbon atoms, 27 hydrogen atoms, 5 nitrogen atoms and 3 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 × 2163.46%
12.011 × 21 = 252.231 g/mol
H Hydrogen × 276.85%
1.008 × 27 = 27.216 g/mol
N Nitrogen × 517.62%
14.007 × 5 = 70.035 g/mol
O Oxygen × 312.08%
15.999 × 3 = 47.997 g/mol

Look up another formula

Compounds with the formula C21H27N5O3

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

Showing 101 to 132 of 132 compounds

N-(4-Methoxybenzyl)-4-(4,5,6,7-tetrahydropyrazolo[1,5-a]pyridine-3-carbonyl)piperazine-1-carboxamide

CAS 2034587-46-5C₂₁H₂₇N₅O₃

3-((1-(1-Methyl-5-oxopyrrolidine-3-carbonyl)piperidin-4-yl)methyl)-4-(o-tolyl)-1H-1,2,4-triazol-5(4H)-one

CAS 2034365-15-4C₂₁H₂₇N₅O₃

1-[(1-{1-[3-(2-Ethoxyphenyl)propanoyl]azetidin-3-yl}-1H-1,2,3-triazol-4-yl)methyl]pyrrolidin-2-one

CAS 2034544-89-1C₂₁H₂₇N₅O₃

N-((4-Methoxy-6-(pyrrolidin-1-yl)-1,3,5-triazin-2-yl)methyl)-4-phenyltetrahydro-2H-pyran-4-carboxamide

CAS 2034277-78-4C₂₁H₂₇N₅O₃

1-(3,4-Dimethylphenyl)-4-{3-[4-(methoxymethyl)-1H-1,2,3-triazol-1-yl]pyrrolidine-1-carbonyl}pyrrolidin-2-one

CAS 2097923-72-1C₂₁H₂₇N₅O₃

N-(1-(4-Methyl-6-oxo-1,6-dihydropyrimidin-2-yl)piperidin-4-yl)-4-morpholinobenzamide

CAS 1904026-51-2C₂₁H₂₇N₅O₃

N-[3-(4-Carbamoylpiperidin-1-yl)-3-oxopropyl]-1,3,4,9-tetrahydro-2H-beta-carboline-2-carboxamide

CAS 1010911-61-1C₂₁H₂₇N₅O₃

1-Benzyl-N-(3,3-diethoxypropyl)-5-(1H-pyrrol-1-yl)-1H-1,2,3-triazole-4-carboxamide

CAS 1795299-61-4C₂₁H₂₇N₅O₃

4-(6-Cyclopropylpyrimidin-4-yl)-N-(3,4-dimethoxybenzyl)piperazine-1-carboxamide

CAS 1787918-13-1C₂₁H₂₇N₅O₃

N-(2-Ethoxyphenyl)-4-(4,5,6,7-tetrahydropyrazolo[1,5-a]pyridine-2-carbonyl)piperazine-1-carboxamide

CAS 2034264-32-7C₂₁H₂₇N₅O₃

7-Methoxy-3-[(1-{[3-(propan-2-yl)-1,2,4-oxadiazol-5-yl]methyl}piperidin-4-yl)methyl]-3,4-dihydroquinazolin-4-one

CAS 2548987-98-8C₂₁H₂₇N₅O₃

6-(3a-{[(5-Methylpyrimidin-2-yl)oxy]methyl}-octahydrocyclopenta[c]pyrrole-2-carbonyl)-2-(propan-2-yl)-2,3-dihydropyridazin-3-one

CAS 2640969-17-9C₂₁H₂₇N₅O₃

Methyl 4-[2-[3-[[[(6-methyl-3-pyridinyl)amino]carbonyl]amino]phenyl]ethyl]-1-piperazinecarboxylate

CAS 873697-84-8C₂₁H₂₇N₅O₃

1-(4-(Dimethylamino)-2-morpholino-7,8-dihydropyrido[4,3-d]pyrimidin-6(5H)-yl)-2-phenoxyethanone

CAS 1081387-96-3C₂₁H₂₇N₅O₃

3-Hexyl-8-(3-methoxyphenyl)-1-methyl-1H,2H,3H,4H,6H,7H,8H-imidazo[1,2-g]purine-2,4-dione

CAS 893948-10-2C₂₁H₂₇N₅O₃

3-Hexyl-8-(4-methoxyphenyl)-1-methyl-1H,2H,3H,4H,6H,7H,8H-imidazo[1,2-g]purine-2,4-dione

CAS 893950-29-3C₂₁H₂₇N₅O₃

8-(4-Ethoxyphenyl)-1-methyl-3-pentyl-1H,2H,3H,4H,6H,7H,8H-imidazo[1,2-g]purine-2,4-dione

CAS 893952-20-0C₂₁H₂₇N₅O₃

4-[5-(1,1-Dimethylethyl)-3-(5-methyl-1,3,4-oxadiazol-2-yl)-1H-pyrazol-1-yl]-N-(3-methoxypropyl)benzamide

CAS 1007489-54-4C₂₁H₂₇N₅O₃

Isopropyl 4-((6-(2,3-dihydro-1H-pyrrolo[3,2-b]pyridin-1-yl)-5-methylpyrimidin-4-yl)oxy)piperidine-1-carboxylate

CAS 1254361-10-8C₂₁H₂₇N₅O₃

6-Methyl-2-(2-oxo-2-{4-[(5,6,7,8-tetrahydrocinnolin-3-yloxy)methyl]piperidin-1-yl}ethyl)-2,3-dihydropyridazin-3-one

CAS 2320377-94-2C₂₁H₂₇N₅O₃

3-{[Butyl(methyl)amino]methyl}-2-(4-ethoxy-3-nitrophenyl)imidazo[1,2-a]pyridin-6-amine

CAS 1216430-63-5C₂₁H₂₇N₅O₃

4-{4-[({2-Cyclopropylimidazo[1,2-b]pyridazin-6-yl}oxy)methyl]piperidine-1-carbonyl}-1-methylpyrrolidin-2-one

CAS 2548983-04-4C₂₁H₂₇N₅O₃

4-{8-Cyclopentyl-5-methyl-7-oxo-7H,8H-pyrido[2,3-d]pyrimidin-2-yl}-N-cyclopropylmorpholine-2-carboxamide

CAS 2640896-36-0C₂₁H₂₇N₅O₃

2-{4-[3-(2-Methoxyethyl)-2,4-dioxoimidazolidin-1-yl]piperidin-1-yl}-5,6,7,8-tetrahydroquinoline-3-carbonitrile

CAS 2741935-35-1C₂₁H₂₇N₅O₃

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What is the molar mass of C21H27N5O3?

The molar mass of C21H27N5O3 is 397.48 g/mol, calculated from standard atomic weights for 21 carbon atoms, 27 hydrogen atoms, 5 nitrogen atoms and 3 oxygen atoms. The monoisotopic mass is 397.2114 Da.

How many compounds have the formula C21H27N5O3?

CompoundList lists 132 compounds with the molecular formula C21H27N5O3, including N-(4-Methoxybenzyl)-4-(4,5,6,7-tetrahydropyrazolo[1,5-a]pyridine-3-carbonyl)piperazine-1-carboxamide, 3-((1-(1-Methyl-5-oxopyrrolidine-3-carbonyl)piperidin-4-yl)methyl)-4-(o-tolyl)-1H-1,2,4-triazol-5(4H)-one, 1-[(1-{1-[3-(2-Ethoxyphenyl)propanoyl]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 C21H27N5O3?

C21H27N5O3 has a degree of unsaturation of 11. 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.