C21H18ClN3O4
37 compounds have this formula on CompoundList.
- Molar mass
- 411.84g/mol
- Monoisotopic mass
- 411.0986Da
- Atoms
- 47
- Elements
- 5
- Rings plus double bonds
- 14
The formula C21H18ClN3O4 describes a molecule made of 21 carbon atoms, 18 hydrogen atoms, 1 chlorine atom, 3 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 × 2161.24%12.011 × 21 = 252.231 g/mol
- H Hydrogen × 184.41%1.008 × 18 = 18.144 g/mol
- Cl Chlorine × 18.61%35.45 × 1 = 35.450 g/mol
- N Nitrogen × 310.20%14.007 × 3 = 42.021 g/mol
- O Oxygen × 415.54%15.999 × 4 = 63.996 g/mol
Compounds with the formula C21H18ClN3O4
Isomers we list, best known first. Open one to see its structure, properties, safety data and suppliers.
Showing 1 to 37 of 37 compounds
![5-(4-Chlorophenyl)-4-(2-furoyl)-3-hydroxy-1-[3-(1H-imidazol-1-yl)propyl]-1,5-dihydro-2H-pyrrol-2-one chemical structure, C21H18ClN3O4, CAS 378764-13-7](/s/LRZVVCRWHDNZPP-UHFFFAOYSA-N.svg)
![4-[5-(2-Chloro-8-methylquinolin-3-yl)-3-(furan-2-yl)-4,5-dihydro-1H-pyrazol-1-yl]-4-oxobutanoic acid chemical structure, C21H18ClN3O4, CAS 511237-82-4](/s/XJDQDRIZVOCAOC-UHFFFAOYSA-N.svg)
![N-[2-(4-Chlorophenyl)-1-[(4-acetamidophenyl)amino]-2-oxoethyl]furan-2-carboxamide chemical structure, C21H18ClN3O4, CAS 797809-99-5](/s/AZROTRPRAJNCJT-UHFFFAOYSA-N.svg)
![(3-(5-(Benzo[d][1,3]dioxol-5-yl)-1,3,4-oxadiazol-2-yl)piperidin-1-yl)(3-chlorophenyl)methanone chemical structure, C21H18ClN3O4, CAS 1169996-71-7](/s/URVXILAMMCNTKD-UHFFFAOYSA-N.svg)
![(3-(5-(Benzo[d][1,3]dioxol-5-yl)-1,3,4-oxadiazol-2-yl)piperidin-1-yl)(2-chlorophenyl)methanone chemical structure, C21H18ClN3O4, CAS 1171675-62-9](/s/ZQHOBFCEDDCBMZ-UHFFFAOYSA-N.svg)
![3-(4-Chloro-1H-pyrazol-1-yl)-2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)propanoic acid chemical structure, C21H18ClN3O4, CAS 2137517-20-3](/s/COAZNNHPIIKAGL-UHFFFAOYSA-N.svg)
![N-[2-(1H-1,3-Benzimidazol-2-yl)ethyl]-2-[(6-chloro-4-methyl-2-oxo-2H-chromen-7-yl)oxy]acetamide chemical structure, C21H18ClN3O4, CAS 1574307-20-2](/s/ONUCWSMOVQTFPT-UHFFFAOYSA-N.svg)
![N-(4-Chloro-3-nitrophenyl)-1-[(2,5-dimethylphenyl)methyl]-6-oxopyridine-3-carboxamide chemical structure, C21H18ClN3O4, CAS 941884-86-2](/s/DTJIPPSRPVJCOV-UHFFFAOYSA-N.svg)
![3-(2-Chlorophenyl)-5-methyl-N-(4-methyl-5-oxo-2,3,4,5-tetrahydrobenzo[f][1,4]oxazepin-7-yl)isoxazole-4-carboxamide chemical structure, C21H18ClN3O4, CAS 922127-60-4](/s/WHDWSFIUNPUFBV-UHFFFAOYSA-N.svg)
- N'-{1-[(4-Chlorophenyl)methyl]-6-oxo-1,6-dihydropyridine-3-carbonyl}-2-phenoxyacetohydrazide1040663-91-9C21H18ClN3O4
- Methyl 3-(2-{[2-(4-chlorophenyl)-6-methylpyrimidin-4-yl]oxy}acetamido)benzoate1251599-24-2C21H18ClN3O4
- N-(Benzo[d][1,3]dioxol-5-yl)-2-(8-chloro-10-oxo-3,4-dihydrobenzo[b][1,6]naphthyridin-2(1H,5H,10H)-yl)acetamide1251550-76-1C21H18ClN3O4
- N-(2-(7-Chloro-3-oxo-2,3-dihydrobenzo[f][1,4]oxazepin-4(5H)-yl)ethyl)-2-hydroxyquinoline-4-carboxamide1903438-56-1C21H18ClN3O4
- hCAXII-IN-22497504-86-4C21H18ClN3O4
- 3-Acetyl-1-(2-chlorophenyl)-5-(4-ethoxyphenyl)-3a,6a-dihydropyrrolo[3,4-c]pyrazole-4,6(1H,5H)-dione957489-78-0C21H18ClN3O4
- 3-(1,3-Dioxaindan-4-yl)-N-[5-chloro-2-(morpholin-4-yl)phenyl]-2-cyanoprop-2-enamide1181486-08-7C21H18ClN3O4
- Methyl 3-({2-[3-(2-chlorophenyl)-1,2,4-oxadiazol-5-yl]pyrrolidin-1-yl}carbonyl)benzoate1795395-97-9C21H18ClN3O4
- 5-[(Benzyloxy)carbonyl]-1-(4-chlorophenyl)-1H,4H,5H,6H,7H-pyrazolo[4,3-c]pyridine-3-carboxylic acid1796395-60-2C21H18ClN3O4
- 2-(5-Chloro-6-methyl-1-benzofuran-3-yl)-N-[2-(1,4-dioxo-3,4-dihydrophthalazin-2(1H)-yl)ethyl]acetamide2185979-13-7C21H18ClN3O4
- 3-[4-Chloro-3-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-1H-pyrazol-1-yl]propanoic acid2386816-79-9C21H18ClN3O4
- 2-{[(Benzyloxy)carbonyl](2-phenylethyl)amino}-5-chloropyrimidine-4-carboxylic acid2680838-64-4C21H18ClN3O4
- (19S)-10-(Aminomethyl)-7-chloro-19-ethyl-19-hydroxy-17-oxa-3,13-diazapentacyclo[11.8.0.02,11.04,9.015,20]henicosa-1(21),2,4(9),5,7,10,15(20)-heptaene-14,18-dione2839561-05-4C21H18ClN3O4
Frequently asked questions
What is the molar mass of C21H18ClN3O4?
The molar mass of C21H18ClN3O4 is 411.84 g/mol, calculated from standard atomic weights for 21 carbon atoms, 18 hydrogen atoms, 1 chlorine atom, 3 nitrogen atoms and 4 oxygen atoms. The monoisotopic mass is 411.0986 Da.
How many compounds have the formula C21H18ClN3O4?
CompoundList lists 37 compounds with the molecular formula C21H18ClN3O4, including 4-(5-(2-Chloro-7-methylquinolin-3-yl)-3-(furan-2-yl)-4,5-dihydro-1H-pyrazol-1-yl)-4-oxobutanoic acid, 5-(4-Chlorophenyl)-4-(2-furoyl)-3-hydroxy-1-[3-(1H-imidazol-1-yl)propyl]-1,5-dihydro-2H-pyrrol-2-one, 4-[5-(2-Chloro-8-methylquinolin-3-yl)-3-(furan-2-yl)-4,5-dihydro-1H-pyrazol-1-yl]-4-oxobutanoic acid. 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 C21H18ClN3O4?
C21H18ClN3O4 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.