Molecular formula

C₂₁H₂₈ClN₃O₃

20 compounds have this formula on CompoundList.

Molar mass: 405.92g/mol
Monoisotopic mass: 405.1819Da
Atoms: 56
Elements: 5
Rings plus double bonds: 9

The formula C21H28ClN3O3 describes a molecule made of 21 carbon atoms, 28 hydrogen atoms, 1 chlorine atom, 3 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 × 2162.14%
12.011 × 21 = 252.231 g/mol
H Hydrogen × 286.95%
1.008 × 28 = 28.224 g/mol
Cl Chlorine × 18.73%
35.45 × 1 = 35.450 g/mol
N Nitrogen × 310.35%
14.007 × 3 = 42.021 g/mol
O Oxygen × 311.82%
15.999 × 3 = 47.997 g/mol

Look up another formula

Compounds with the formula C21H28ClN3O3

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

Showing 1 to 20 of 20 compounds

2-(1-Adamantyl)-4-chloro-5-(1,4-dioxa-8-azaspiro[4.5]decan-8-yl)pyridazin-3-one

CAS 898610-36-1C₂₁H₂₈ClN₃O₃

Anidoxime hydrochloride

CAS 31729-11-0C₂₁H₂₈ClN₃O₃

1-(1-Adamantyl)-3-[[2-(4-chloro-3,5-dimethylphenoxy)acetyl]amino]urea

CAS 444931-29-7C₂₁H₂₈ClN₃O₃

1-(5-Chloro-2-methoxyphenyl)-3-((1-((2,5-dimethylfuran-3-yl)methyl)piperidin-4-yl)methyl)urea

CAS 1323554-95-5C₂₁H₂₈ClN₃O₃

3-((2-Chlorophenyl)(4-(2-hydroxyethyl)piperazin-1-yl)methyl)-1-ethyl-4-hydroxy-6-methylpyridin-2(1H)-one

CAS 897734-34-8C₂₁H₂₈ClN₃O₃

3-((3-Chlorophenyl)(4-methylpiperazin-1-yl)methyl)-4-hydroxy-1-(2-methoxyethyl)-6-methylpyridin-2(1H)-one

CAS 897735-04-5C₂₁H₂₈ClN₃O₃

4(1H)-Quinazolinone, 1-(N,N-diethylglycyl)-2,3-dihydro-2-methyl-3-phenyl-, monohydrochloride, hydrate

CAS 16711-38-9C₂₁H₂₈ClN₃O₃

Anthranilic acid, N-(alpha-((2-(diethylamino)ethyl)carbamoyl)benzyl)-, monohydrochloride

CAS 83850-82-2C₂₁H₂₈ClN₃O₃

3-Quinolinecarboxylic acid, 6-chloro-4-((2-(dipropylamino)-1-methyl-2-oxoethyl)amino)-, ethyl ester, (±)-

CAS 127446-98-4C₂₁H₂₈ClN₃O₃

2-Chloro-N-((1-hydroxycycloheptyl)methyl)-5-[1-(2-hydroxyethyl)-5-methyl-1H-pyrazol-3-yl]benzamide

CAS 792911-66-1C₂₁H₂₈ClN₃O₃

3-((4-Chlorophenyl)(4-(2-hydroxyethyl)piperazin-1-yl)methyl)-1-ethyl-4-hydroxy-6-methylpyridin-2(1H)-one

CAS 897734-55-3C₂₁H₂₈ClN₃O₃

3-((2-Chlorophenyl)(4-methylpiperazin-1-yl)methyl)-4-hydroxy-1-(2-methoxyethyl)-6-methylpyridin-2(1H)-one

CAS 897734-97-3C₂₁H₂₈ClN₃O₃

3-((4-Chlorophenyl)(4-methylpiperazin-1-yl)methyl)-4-hydroxy-1-(2-methoxyethyl)-6-methylpyridin-2(1H)-one

CAS 897735-14-7C₂₁H₂₈ClN₃O₃

2-(1-Adamantyl)-N-[3-(2-chloro-4-nitroanilino)propyl]acetamide

CAS 709005-31-2C₂₁H₂₈ClN₃O₃

1-[4-[4-[2-(2-Chlorophenoxy)ethyl]piperazine-1-carbonyl]piperidin-1-yl]prop-2-en-1-one

CAS 2361699-94-5C₂₁H₂₈ClN₃O₃

Acetophenone, 3'-((2-hydroxy-3-(4-phenylpiperazinyl))propoxy)-, hydrochloride, oxime

CAS 63990-87-4C₂₁H₂₈ClN₃O₃

tert-Butyl 4-(3-((3-chloroquinoxalin-2-yl)oxy)propyl)piperidine-1-carboxylate

CAS 1420988-34-6C₂₁H₂₈ClN₃O₃

tert-Butyl 3-(3-((3-chloroquinoxalin-2-yl)oxy)propyl)piperidine-1-carboxylate

CAS 1420866-28-9C₂₁H₂₈ClN₃O₃

tert-Butyl 2-(3-((3-chloroquinoxalin-2-yl)oxy)propyl)piperidine-1-carboxylate

CAS 1420971-62-5C₂₁H₂₈ClN₃O₃

4-(4-Chloro-6-methoxy-7-(3-(pyrrolidin-1-yl)propoxy)quinolin-2-yl)morpholine

CAS 3070128-15-0C₂₁H₂₈ClN₃O₃

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What is the molar mass of C21H28ClN3O3?

The molar mass of C21H28ClN3O3 is 405.92 g/mol, calculated from standard atomic weights for 21 carbon atoms, 28 hydrogen atoms, 1 chlorine atom, 3 nitrogen atoms and 3 oxygen atoms. The monoisotopic mass is 405.1819 Da.

How many compounds have the formula C21H28ClN3O3?

CompoundList lists 20 compounds with the molecular formula C21H28ClN3O3, including 2-(1-Adamantyl)-4-chloro-5-(1,4-dioxa-8-azaspiro[4.5]decan-8-yl)pyridazin-3-one, Anidoxime hydrochloride, 1-(1-Adamantyl)-3-[[2-(4-chloro-3,5-dimethylphenoxy)acetyl]amino]urea. 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 C21H28ClN3O3?

C21H28ClN3O3 has a degree of unsaturation of 9. 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.