Molecular formula

C₂₁H₂₀ClN₅O

20 compounds have this formula on CompoundList.

Molar mass: 393.88g/mol
Monoisotopic mass: 393.1356Da
Atoms: 48
Elements: 5
Rings plus double bonds: 14

The formula C21H20ClN5O describes a molecule made of 21 carbon atoms, 20 hydrogen atoms, 1 chlorine atom, 5 nitrogen atoms and 1 oxygen atom. 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 × 2164.04%
12.011 × 21 = 252.231 g/mol
H Hydrogen × 205.12%
1.008 × 20 = 20.160 g/mol
Cl Chlorine × 19.00%
35.45 × 1 = 35.450 g/mol
N Nitrogen × 517.78%
14.007 × 5 = 70.035 g/mol
O Oxygen × 14.06%
15.999 × 1 = 15.999 g/mol

Look up another formula

Compounds with the formula C21H20ClN5O

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

Showing 1 to 20 of 20 compounds

N-(4-Chloro-2-isopropoxybenzyl)-5-phenyl-[1,2,4]triazolo[1,5-a]pyrimidin-7-amine

CAS 1637300-25-4C₂₁H₂₀ClN₅O

N-(4-Chlorophenyl)-7-(4-ethylphenyl)-5-methyl-1,7-dihydro-[1,2,4]triazolo[1,5-a]pyrimidine-6-carboxamide

CAS 691397-57-6C₂₁H₂₀ClN₅O

9H-Purin-6-amine, 2-chloro-N-(3-(1-methylethoxy)phenyl)-9-(phenylmethyl)-

CAS 125802-59-7C₂₁H₂₀ClN₅O

9H-Purin-6-amine, 2-chloro-N-(4-(1-methylethoxy)phenyl)-9-(phenylmethyl)-

CAS 125802-47-3C₂₁H₂₀ClN₅O

9H-Purin-6-amine, 2-chloro-N,N-dimethyl-9-((3-(phenylmethoxy)phenyl)methyl)-

CAS 115204-70-1C₂₁H₂₀ClN₅O

1-(6-(4-Chlorophenyl)pyridazin-3-yl)-N-(pyridin-3-yl)piperidine-4-carboxamide

CAS 1105217-96-6C₂₁H₂₀ClN₅O

1-(6-(4-Chlorophenyl)pyridazin-3-yl)-N-(pyridin-4-yl)piperidine-4-carboxamide

CAS 1105231-91-1C₂₁H₂₀ClN₅O

1-(6-(4-Chlorophenyl)pyridazin-3-yl)-N-(pyridin-3-yl)piperidine-3-carboxamide

CAS 1105213-71-5C₂₁H₂₀ClN₅O

4-(3-Chlorophenyl)-2-[(2,3-dimethylphenyl)amino]-8-methyl-1,4-dihydro-6H-pyrimido[1,2-a][1,3,5]triazin-6-one

CAS 777867-96-6C₂₁H₂₀ClN₅O

2-Chloro-N-[2-(4-phenylpiperazin-1-yl)pyrimidin-5-yl]benzamide

CAS 1421490-75-6C₂₁H₂₀ClN₅O

2-Chloro-N-[6-(4-phenylpiperazin-1-yl)pyrimidin-4-yl]benzamide

CAS 1396686-39-7C₂₁H₂₀ClN₅O

6H-(1,2,4)Triazolo(4,3-a)(1,5)benzodiazepine, 8-chloro-1-methyl-5-(4-morpholinyl)-6-phenyl-

CAS 153901-55-4C₂₁H₂₀ClN₅O

2-(4-Chloro-1H-indol-1-yl)-1-[4-([1,2,4]triazolo[4,3-a]pyridin-3-yl)piperidin-1-yl]ethanone

CAS 1324073-81-5C₂₁H₂₀ClN₅O

N-{1-[6-(2-Chlorophenyl)pyridazin-3-yl]piperidin-4-yl}pyridine-2-carboxamide

CAS 1396765-07-3C₂₁H₂₀ClN₅O

3-(4-Chlorophenyl)-4-(1H-pyrrol-1-yl)-N-([1,2,4]triazolo[4,3-a]pyridin-3-ylmethyl)butanamide

CAS 1574343-18-2C₂₁H₂₀ClN₅O

N-(4-Chlorophenyl)-N'-[3-(3-pyrrolidin-1-ylpyrazin-2-yl)phenyl]urea

CAS 1340996-98-6C₂₁H₂₀ClN₅O

6-(4-Chlorophenyl)-2-(1-{2-methyl-5H,6H,7H-cyclopenta[d]pyrimidin-4-yl}azetidin-3-yl)-2,3-dihydropyridazin-3-one

CAS 2380084-67-1C₂₁H₂₀ClN₅O

5-Chloro-6-{4-[(2-methyl-4-oxo-3,4-dihydroquinazolin-3-yl)methyl]piperidin-1-yl}pyridine-3-carbonitrile

CAS 2415555-34-7C₂₁H₂₀ClN₅O

6-(5-Chloro-2-methylphenyl)-3-(3,4-dimethylphenyl)-5-ethyl-3H,6H,7H-[1,2,3]triazolo[4,5-d]pyrimidin-7-one

CAS 2741912-78-5C₂₁H₂₀ClN₅O

5-Chloro-2-{5-[3-(1H-pyrazol-1-yl)benzoyl]-octahydropyrrolo[3,4-c]pyrrol-2-yl}pyridine

CAS 2770620-14-7C₂₁H₂₀ClN₅O

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What is the molar mass of C21H20ClN5O?

The molar mass of C21H20ClN5O is 393.88 g/mol, calculated from standard atomic weights for 21 carbon atoms, 20 hydrogen atoms, 1 chlorine atom, 5 nitrogen atoms and 1 oxygen atom. The monoisotopic mass is 393.1356 Da.

How many compounds have the formula C21H20ClN5O?

CompoundList lists 20 compounds with the molecular formula C21H20ClN5O, including N-(4-Chloro-2-isopropoxybenzyl)-5-phenyl-[1,2,4]triazolo[1,5-a]pyrimidin-7-amine, N-(4-Chlorophenyl)-7-(4-ethylphenyl)-5-methyl-1,7-dihydro-[1,2,4]triazolo[1,5-a]pyrimidine-6-carboxamide, 9H-Purin-6-amine, 2-chloro-N-(3-(1-methylethoxy)phenyl)-9-(phenylmethyl)-. 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 C21H20ClN5O?

C21H20ClN5O 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.