C21H16ClN3O3
41 compounds have this formula on CompoundList.
- Molar mass
- 393.83g/mol
- Monoisotopic mass
- 393.0880Da
- Atoms
- 44
- Elements
- 5
- Rings plus double bonds
- 15
The formula C21H16ClN3O3 describes a molecule made of 21 carbon atoms, 16 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 × 2164.05%12.011 × 21 = 252.231 g/mol
- H Hydrogen × 164.10%1.008 × 16 = 16.128 g/mol
- Cl Chlorine × 19.00%35.45 × 1 = 35.450 g/mol
- N Nitrogen × 310.67%14.007 × 3 = 42.021 g/mol
- O Oxygen × 312.19%15.999 × 3 = 47.997 g/mol
Compounds with the formula C21H16ClN3O3
Isomers we list, best known first. Open one to see its structure, properties, safety data and suppliers.
Showing 1 to 41 of 41 compounds
![N-[3-Chloro-4-[(1S,2R,6S,7R)-3,5-dioxo-4-azatricyclo[5.2.1.02,6]dec-8-en-4-yl]phenyl]pyridine-2-carboxamide chemical structure, C21H16ClN3O3](/s/LJUABYFUJVRUSJ-FRVJLOGJSA-N.svg)
![2-(4-Chlorophenyl)-1-[(4-methylbenzyl)oxy]-6-nitro-1H-1,3-benzimidazole chemical structure, C21H16ClN3O3, CAS 282523-17-5](/s/BCBYVCHAFOHBKM-UHFFFAOYSA-N.svg)
![3-Chloro-4-ethoxy-N-[4-([1,3]oxazolo[4,5-b]pyridin-2-yl)phenyl]benzamide chemical structure, C21H16ClN3O3, CAS 6026-49-9](/s/COGHMQATRBHXMU-UHFFFAOYSA-N.svg)
![N-[2-Chloro-5-([1,3]oxazolo[4,5-b]pyridin-2-yl)phenyl]-3-ethoxybenzamide chemical structure, C21H16ClN3O3, CAS 347338-75-4](/s/LXVXCTLAUHBROT-UHFFFAOYSA-N.svg)
![5-Chloro-2-methoxy-N-[2-methyl-5-([1,3]oxazolo[4,5-b]pyridin-2-yl)phenyl]benzamide chemical structure, C21H16ClN3O3, CAS 442524-24-5](/s/PJUVHNYKICGETI-UHFFFAOYSA-N.svg)
![2-(4-Chloro-2-methylphenoxy)-N-[3-([1,3]oxazolo[4,5-b]pyridin-2-yl)phenyl]acetamide chemical structure, C21H16ClN3O3, CAS 424793-03-3](/s/ZHDWQDXRAFMBTE-UHFFFAOYSA-N.svg)
![N-[2-Chloro-5-([1,3]oxazolo[4,5-b]pyridin-2-yl)phenyl]-4-ethoxybenzamide chemical structure, C21H16ClN3O3, CAS 347338-77-6](/s/MSQCRQLMOUKTQD-UHFFFAOYSA-N.svg)
![3-Chloro-4-ethoxy-N-[3-([1,3]oxazolo[4,5-b]pyridin-2-yl)phenyl]benzamide chemical structure, C21H16ClN3O3, CAS 438483-86-4](/s/WCYASYVYMLJJBP-UHFFFAOYSA-N.svg)
![1-[(4-Chlorophenyl)methyl]-N-(5-methyl-3-isoxazolyl)-alpha-oxo-1H-indole-3-acetamide chemical structure, C21H16ClN3O3, CAS 501921-66-0](/s/LVHJQTPEHXMAJG-UHFFFAOYSA-N.svg)
![2-[3-(1,3-Benzodioxol-5-ylmethylamino)-6-chloroimidazo[1,2-a]pyridin-2-yl]phenol chemical structure, C21H16ClN3O3, CAS 601502-36-7](/s/VKBXEFSLRLQPDI-UHFFFAOYSA-N.svg)
![2-(6-Chloro-2-oxo-4-phenyl-1,2-dihydroquinazolin-1-yl)-N-[(furan-2-yl)methyl]acetamide chemical structure, C21H16ClN3O3, CAS 941877-12-9](/s/WZNLHFRDKFTISR-UHFFFAOYSA-N.svg)
![2-Amino-4-(4-chlorophenyl)-6-(furan-2-ylmethyl)-7-methyl-5-oxo-5,6-dihydro-4H-pyrano[3,2-c]pyridine-3-carbonitrile chemical structure, C21H16ClN3O3, CAS 758701-63-2](/s/REYALCMPGBJDER-UHFFFAOYSA-N.svg)
![N'-[(6-Chloro-1,3-benzodioxol-5-yl)methylene]-2-cyclopropyl-4-quinolinecarbohydrazide chemical structure, C21H16ClN3O3, CAS 522621-36-9](/s/MUKOGUIBXNHGNR-AUEPDCJTSA-N.svg)
![5-Chloro-2-methoxy-N-(2-methyl-4-[1,3]oxazolo[4,5-b]pyridin-2-ylphenyl)benzamide chemical structure, C21H16ClN3O3, CAS 697240-76-9](/s/SGVIDTBYSKSENX-UHFFFAOYSA-N.svg)
![2-(3-Chlorophenyl)-1-[(4-methylbenzyl)oxy]-6-nitro-1H-1,3-benzimidazole chemical structure, C21H16ClN3O3, CAS 303149-38-4](/s/GCSNPHMLFAXTMT-UHFFFAOYSA-N.svg)
![6-Chloro-N-{1-[4-(1H-imidazol-1-yl)phenyl]ethyl}-2-oxo-2H-chromene-3-carboxamide chemical structure, C21H16ClN3O3, CAS 889959-22-2](/s/JHLPBFOWDHHRBC-UHFFFAOYSA-N.svg)
![5-[[1-[(2-Chlorophenyl)methyl]-2-methylindol-3-yl]methylidene]-1,3-diazinane-2,4,6-trione chemical structure, C21H16ClN3O3, CAS 6373-94-0](/s/QCQRGICVPSBICN-UHFFFAOYSA-N.svg)
![(2Z)-3-{5-[(2-Chlorophenoxy)methyl]furan-2-yl}-2-cyano-N-(pyridin-3-ylmethyl)prop-2-enamide chemical structure, C21H16ClN3O3, CAS 879966-17-3](/s/VMYSOCCOSQVWJA-YBEGLDIGSA-N.svg)
- N-(5-Chloro-2-cyanophenyl)-N'-[2-hydroxy-2-(naphthalen-1-yl)ethyl]ethanediamide1351591-52-0C21H16ClN3O3
- 2-(9-Chloro-5-(pyridin-4-yl)-5,10b-dihydro-1H-benzo[e]pyrazolo[1,5-c][1,3]oxazin-2-yl)benzene-1,4-diol899984-97-5C21H16ClN3O3
- 3-[5-(4-Chlorophenyl)-1,2,4-oxadiazol-3-yl]-2-methoxy-6-(3-methoxyphenyl)pyridine701930-25-8C21H16ClN3O3
- 3-[5-(2-Chlorophenyl)-1,2,4-oxadiazol-3-yl]-2-methoxy-6-(3-methoxyphenyl)pyridine706770-88-9C21H16ClN3O3
- 3-(3-Chloro-4-methylphenyl)-2-(3-nitrophenyl)-1,2-dihydroquinazolin-4-one428841-50-3C21H16ClN3O3
- N-(7-Chloro-2-methyl-4-oxo-4H-pyrido[1,2-a]pyrimidin-3-yl)-2-(naphthalen-2-yloxy)acetamide941965-40-8C21H16ClN3O3
- 2-[2-(8-Chloro-1,3,4,5-tetrahydro-2H-pyrido[4,3-b]indol-2-yl)-2-oxoethyl]-1H-isoindole-1,3(2H)-dione1040711-45-2C21H16ClN3O3
- 2-(2-Chlorophenyl)-N-(2-((3-(furan-2-yl)-1,2,4-oxadiazol-5-yl)methyl)phenyl)acetamide1798018-88-8C21H16ClN3O3
- 3-(2-Chlorophenyl)-N-((2-(furan-2-yl)pyridin-4-yl)methyl)-5-methylisoxazole-4-carboxamide2034438-65-6C21H16ClN3O3
- N-(3-Chloro-4-methoxyphenyl)-10-oxo-2,9-diazatricyclo[9.4.0.0^{3,8}]pentadeca-1(11),3(8),4,6,12,14-hexaene-6-carboxamide2034540-49-1C21H16ClN3O3
- 4-Chloro-N-(9-ethylcarbazol-3-yl)-2-nitrobenzamide692769-77-0C21H16ClN3O3
- 3-(2-Chlorophenyl)-5-methyl-N-[(5-phenyl-1,2-oxazol-3-yl)methyl]-1,2-oxazole-4-carboxamide952961-74-9C21H16ClN3O3
- Benzoic acid, p-(p-chlorobenzamido)-, 2-salicylidenehydrazide100278-23-7C21H16ClN3O3
- N-(4-Chloro-2-methoxy-5-methylphenyl)-2-cyano-3-(2-hydroxyquinolin-3-yl)prop-2-enamide1424357-95-8C21H16ClN3O3
- 6-[[6-Chloro-5-methoxy-2-(3-pyridinyl)-1H-indol-3-yl]methyl]-2-pyridinecarboxylic acid1262879-17-3C21H16ClN3O3
- 1-(2-Chlorophenyl)-4-[(5-methyl-2-phenyl-1,3-oxazol-4-yl)methyl]-1,2,3,4-tetrahydropyrazine-2,3-dione2640886-24-2C21H16ClN3O3
- Benzyl N-(2-chloroquinazolin-4-yl)-N-[(furan-2-yl)methyl]carbamate2680874-22-8C21H16ClN3O3
Frequently asked questions
What is the molar mass of C21H16ClN3O3?
The molar mass of C21H16ClN3O3 is 393.83 g/mol, calculated from standard atomic weights for 21 carbon atoms, 16 hydrogen atoms, 1 chlorine atom, 3 nitrogen atoms and 3 oxygen atoms. The monoisotopic mass is 393.0880 Da.
How many compounds have the formula C21H16ClN3O3?
CompoundList lists 41 compounds with the molecular formula C21H16ClN3O3, including 3-(2-Chlorophenyl)-N-(6-methoxyquinolin-8-yl)-5-methyl-1,2-oxazole-4-carboxamide, N-[3-Chloro-4-[(1S,2R,6S,7R)-3,5-dioxo-4-azatricyclo[5.2.1.02,6]dec-8-en-4-yl]phenyl]pyridine-2-carboxamide, 2-(4-Chlorophenyl)-1-[(4-methylbenzyl)oxy]-6-nitro-1H-1,3-benzimidazole. 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 C21H16ClN3O3?
C21H16ClN3O3 has a degree of unsaturation of 15. 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.