Molecular formula
C18H18FN3O3
81 compounds have this formula on CompoundList.
- Molar mass
- 343.36g/mol
- Monoisotopic mass
- 343.1332Da
- Atoms
- 43
- Elements
- 5
- Rings plus double bonds
- 11
The formula C18H18FN3O3 describes a molecule made of 18 carbon atoms, 18 hydrogen atoms, 1 fluorine 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 × 1862.97%12.011 × 18 = 216.198 g/mol
- H Hydrogen × 185.28%1.008 × 18 = 18.144 g/mol
- F Fluorine × 15.53%18.998 × 1 = 18.998 g/mol
- N Nitrogen × 312.24%14.007 × 3 = 42.021 g/mol
- O Oxygen × 313.98%15.999 × 3 = 47.997 g/mol
Look up another formula
Compounds with the formula C18H18FN3O3
Isomers we list, best known first. Open one to see its structure, properties, safety data and suppliers.
Showing 1 to 81 of 81 compounds
N-Desmethyldanofloxacin
CAS 108461-04-7C18H18FN3O3
![1-[4-(4-Fluorophenyl)piperazin-1-yl]-2-(2-nitrophenyl)ethanone chemical structure, C18H18FN3O3, CAS 349399-37-7](/s/MNLSBYVMMYMDOB-UHFFFAOYSA-N.svg)
1-[4-(4-Fluorophenyl)piperazin-1-yl]-2-(2-nitrophenyl)ethanone
CAS 349399-37-7C18H18FN3O3
![1-[4-(2-Fluorophenyl)piperazin-1-yl]-2-(2-nitrophenyl)ethanone chemical structure, C18H18FN3O3, CAS 667408-37-9](/s/PDGUMBZXXFOAOI-UHFFFAOYSA-N.svg)
1-[4-(2-Fluorophenyl)piperazin-1-yl]-2-(2-nitrophenyl)ethanone
CAS 667408-37-9C18H18FN3O3
![5-Ethoxy-3-(2-fluorobenzyl)-1,6-dimethylpyrido[2,3-d]pyrimidine-2,4(1H,3H)-dione chemical structure, C18H18FN3O3, CAS 941898-28-8](/s/RPASGFXDPLEFAI-UHFFFAOYSA-N.svg)
5-Ethoxy-3-(2-fluorobenzyl)-1,6-dimethylpyrido[2,3-d]pyrimidine-2,4(1H,3H)-dione
CAS 941898-28-8C18H18FN3O3
4-Ethoxy-N-(2-(2-(4-fluorobenzylidene)hydrazino)-2-oxoethyl)benzamide
CAS 769143-32-0C18H18FN3O3
4-Ethoxy-N-(2-(2-(3-fluorobenzylidene)hydrazino)-2-oxoethyl)benzamide
CAS 769143-20-6C18H18FN3O3
N-(2-(2-(4-Ethoxybenzylidene)hydrazino)-2-oxoethyl)-4-fluorobenzamide
CAS 767335-63-7C18H18FN3O3
![[4-(4-Fluorophenyl)piperazin-1-yl]-(3-methyl-4-nitrophenyl)methanone chemical structure, C18H18FN3O3, CAS 329219-11-6](/s/AASKTJOHZGIGKQ-UHFFFAOYSA-N.svg)
[4-(4-Fluorophenyl)piperazin-1-yl]-(3-methyl-4-nitrophenyl)methanone
CAS 329219-11-6C18H18FN3O3
![[4-(2-Fluoro-5-methyl-4-nitrophenyl)piperazin-1-yl]-phenylmethanone chemical structure, C18H18FN3O3, CAS 330636-41-4](/s/GQEIDJWCRDSABZ-UHFFFAOYSA-N.svg)
[4-(2-Fluoro-5-methyl-4-nitrophenyl)piperazin-1-yl]-phenylmethanone
CAS 330636-41-4C18H18FN3O3
![(4-Fluorophenyl)-[4-[(2-nitrophenyl)methyl]piperazin-1-yl]methanone chemical structure, C18H18FN3O3, CAS 355815-15-5](/s/NWVNYUARRFTBSN-UHFFFAOYSA-N.svg)
(4-Fluorophenyl)-[4-[(2-nitrophenyl)methyl]piperazin-1-yl]methanone
CAS 355815-15-5C18H18FN3O3
![(2-Fluorophenyl)[4-(2-nitrobenzyl)piperazin-1-yl]methanone chemical structure, C18H18FN3O3, CAS 355815-02-0](/s/GOBMUSUTNILQCE-UHFFFAOYSA-N.svg)
(2-Fluorophenyl)[4-(2-nitrobenzyl)piperazin-1-yl]methanone
CAS 355815-02-0C18H18FN3O3
![(3-Fluorophenyl)[4-(3-nitrobenzyl)piperazin-1-yl]methanone chemical structure, C18H18FN3O3, CAS 355392-88-0](/s/AETKLSJCHVSZJZ-UHFFFAOYSA-N.svg)
(3-Fluorophenyl)[4-(3-nitrobenzyl)piperazin-1-yl]methanone
CAS 355392-88-0C18H18FN3O3
![(4-Fluorophenyl)-[4-[(3-nitrophenyl)methyl]piperazin-1-yl]methanone chemical structure, C18H18FN3O3, CAS 355815-34-8](/s/HKTIKOZEGRRAPX-UHFFFAOYSA-N.svg)
(4-Fluorophenyl)-[4-[(3-nitrophenyl)methyl]piperazin-1-yl]methanone
CAS 355815-34-8C18H18FN3O3
![(3-Fluorophenyl)[4-(2-nitrobenzyl)piperazin-1-yl]methanone chemical structure, C18H18FN3O3, CAS 354535-72-1](/s/JODXGRITUCQNPC-UHFFFAOYSA-N.svg)
(3-Fluorophenyl)[4-(2-nitrobenzyl)piperazin-1-yl]methanone
CAS 354535-72-1C18H18FN3O3
![(2-Fluorophenyl)[4-(4-nitrobenzyl)piperazin-1-yl]methanone chemical structure, C18H18FN3O3, CAS 332850-87-0](/s/WDMDHGKWYRBSJV-UHFFFAOYSA-N.svg)
(2-Fluorophenyl)[4-(4-nitrobenzyl)piperazin-1-yl]methanone
CAS 332850-87-0C18H18FN3O3
![1H-Pyrrolo[2,3-c]pyridine-5-carboxamide,1-[(4-fluorophenyl)methyl]-N-hydroxy-3-(methoxymethyl)-N-methyl- chemical structure, C18H18FN3O3, CAS 868551-23-9](/s/BLXBQENQGSXSIQ-UHFFFAOYSA-N.svg)
1H-Pyrrolo[2,3-c]pyridine-5-carboxamide,1-[(4-fluorophenyl)methyl]-N-hydroxy-3-(methoxymethyl)-N-methyl-
CAS 868551-23-9C18H18FN3O3
![[4-[(4-Fluorophenyl)methyl]piperazin-1-yl]-(4-nitrophenyl)methanone chemical structure, C18H18FN3O3, CAS 356090-43-2](/s/MXARPWQKOZXTFJ-UHFFFAOYSA-N.svg)
[4-[(4-Fluorophenyl)methyl]piperazin-1-yl]-(4-nitrophenyl)methanone
CAS 356090-43-2C18H18FN3O3
![6-Ethyl-3-(2-fluorobenzyl)-5-methoxy-1-methylpyrido[2,3-d]pyrimidine-2,4(1H,3H)-dione chemical structure, C18H18FN3O3, CAS 921498-82-0](/s/AQYSDNGGNWJBDS-UHFFFAOYSA-N.svg)
6-Ethyl-3-(2-fluorobenzyl)-5-methoxy-1-methylpyrido[2,3-d]pyrimidine-2,4(1H,3H)-dione
CAS 921498-82-0C18H18FN3O3
Methyl 7-fluoro-1-((pyridin-3-ylmethyl)carbamoyl)-3,4-dihydroisoquinoline-2(1H)-carboxylate
CAS 1396627-64-7C18H18FN3O3
Methyl 7-fluoro-1-((6-methylpyridin-2-yl)carbamoyl)-3,4-dihydroisoquinoline-2(1H)-carboxylate
CAS 1396630-36-6C18H18FN3O3
![N-[2-(2-Fluorophenoxy)ethyl]-6,7-dimethoxyquinazolin-4-amine chemical structure, C18H18FN3O3, CAS 1223377-83-0](/s/SQUSZMTZUQQFKO-UHFFFAOYSA-N.svg)
N-[2-(2-Fluorophenoxy)ethyl]-6,7-dimethoxyquinazolin-4-amine
CAS 1223377-83-0C18H18FN3O3
![(4-Fluorophenyl)-[2-methyl-4-(4-nitrophenyl)piperazin-1-yl]methanone chemical structure, C18H18FN3O3, CAS 330633-79-9](/s/MQMCRTLEDZNMGZ-UHFFFAOYSA-N.svg)
(4-Fluorophenyl)-[2-methyl-4-(4-nitrophenyl)piperazin-1-yl]methanone
CAS 330633-79-9C18H18FN3O3
![[4-(4-Fluorophenyl)piperazin-1-yl]-(2-methyl-3-nitrophenyl)methanone chemical structure, C18H18FN3O3, CAS 314023-76-2](/s/SRIXNTNESHZOAE-UHFFFAOYSA-N.svg)
[4-(4-Fluorophenyl)piperazin-1-yl]-(2-methyl-3-nitrophenyl)methanone
CAS 314023-76-2C18H18FN3O3
![(2-Fluorophenyl)-[2-methyl-4-(4-nitrophenyl)piperazin-1-yl]methanone chemical structure, C18H18FN3O3, CAS 312537-24-9](/s/FUHFKMPCBIPALW-UHFFFAOYSA-N.svg)
(2-Fluorophenyl)-[2-methyl-4-(4-nitrophenyl)piperazin-1-yl]methanone
CAS 312537-24-9C18H18FN3O3
- (2-Fluorophenyl)[4-(3-nitrobenzyl)piperazin-1-yl]methanone355813-10-4C18H18FN3O3
- [4-(2-Fluorophenyl)piperazin-1-yl]-(3-methyl-4-nitrophenyl)methanone432524-86-2C18H18FN3O3
- [4-(4-Fluorophenyl)piperazin-1-yl]-(3-methyl-2-nitrophenyl)methanone600126-89-4C18H18FN3O3
- [4-(2-Fluorophenyl)piperazin-1-yl]-(3-methyl-2-nitrophenyl)methanone600128-92-5C18H18FN3O3
- 1-(3,3-Dimethyl-4-oxo-2,3,4,5-tetrahydrobenzo[b][1,4]oxazepin-7-yl)-3-(4-fluorophenyl)urea1171906-13-0C18H18FN3O3
- Ethyl 1-ethyl-4-(4-fluorophenoxy)-3-methyl-1H-pyrazolo[3,4-b]pyridine-5-carboxylate1092344-19-8C18H18FN3O3
- Methyl 7-(3-(2-fluorophenyl)ureido)-3,4-dihydroisoquinoline-2(1H)-carboxylate1448034-66-9C18H18FN3O3
- N1-(3-acetamidophenyl)-N2-(4-fluorophenethyl)oxalamide899748-49-3C18H18FN3O3
- N1-(4-acetamidophenyl)-N2-(4-fluorophenethyl)oxalamide899748-63-1C18H18FN3O3
- 1-(4-Fluorophenyl)-3-[1-(4-methoxyphenyl)-5-oxopyrrolidin-3-yl]urea877640-48-7C18H18FN3O3
- 1-(4-Fluorobenzyl)-3-((2-oxo-3-phenyloxazolidin-5-yl)methyl)urea954687-08-2C18H18FN3O3
- 1-(4-Fluorophenyl)-N-(furan-2-ylmethyl)-4-propoxy-1H-pyrazole-3-carboxamide1172987-74-4C18H18FN3O3
- 2-(4-Fluorophenoxy)-N-[1-(2-furylmethyl)-1H-pyrazol-5-yl]butanamide1179428-67-1C18H18FN3O3
- 2-Fluoro-N-(1-methyl-2-oxo-5-(pyrrolidine-1-carbonyl)-1,2-dihydropyridin-3-yl)benzamide1207002-54-7C18H18FN3O3
- 1-[2-(2-Fluorophenoxy)acetyl]-N-(3-methylpyridin-2-yl)azetidine-3-carboxamide1448133-74-1C18H18FN3O3
- 3-(4-Fluorophenyl)-N-[2-(furan-2-yl)-2-hydroxypropyl]-1-methyl-1H-pyrazole-5-carboxamide1396861-74-7C18H18FN3O3
- 3-(4-Fluorophenyl)-N-[3-(furan-3-yl)-3-hydroxypropyl]-1-methyl-1H-pyrazole-5-carboxamide1428380-61-3C18H18FN3O3
- 5-[4-(5-Fluoropyridin-2-yl)piperazine-1-carbonyl]-2-hydroxy-3-methylbenzaldehyde2224366-76-9C18H18FN3O3
- 1-(2-Fluorophenyl)-3-[1-(3-methoxyphenyl)-5-oxopyrrolidin-3-yl]urea891097-19-1C18H18FN3O3
- 1-(2-Fluorophenyl)-3-(1-(4-methoxyphenyl)-5-oxopyrrolidin-3-yl)urea891099-97-1C18H18FN3O3
- 1-(1-(3-Fluorophenyl)-5-oxopyrrolidin-3-yl)-3-(4-methoxyphenyl)urea894029-82-4C18H18FN3O3
- 1-(1-(4-Fluorophenyl)-5-oxopyrrolidin-3-yl)-3-(4-methoxyphenyl)urea894015-78-2C18H18FN3O3
- 5-Ethoxy-3-(3-fluorobenzyl)-1,6-dimethylpyrido[2,3-d]pyrimidine-2,4(1H,3H)-dione921490-35-9C18H18FN3O3
- 5-Ethoxy-3-(4-fluorobenzyl)-1,6-dimethylpyrido[2,3-d]pyrimidine-2,4(1H,3H)-dione921500-28-9C18H18FN3O3
- 3-(3-Fluorobenzyl)-1-methyl-5-propoxypyrido[2,3-d]pyrimidine-2,4(1H,3H)-dione921464-96-2C18H18FN3O3
- 3-(4-Fluorobenzyl)-1-methyl-5-propoxypyrido[2,3-d]pyrimidine-2,4(1H,3H)-dione921483-41-2C18H18FN3O3
- 3-(2-Fluorobenzyl)-1-methyl-5-propoxypyrido[2,3-d]pyrimidine-2,4(1H,3H)-dione921498-28-4C18H18FN3O3
- 3-(3,5-Dimethylisoxazol-4-yl)-N-((5-(4-fluorophenyl)isoxazol-3-yl)methyl)propanamide1208788-14-0C18H18FN3O3
- 3-(3,5-Dimethylisoxazol-4-yl)-N-((5-(2-fluorophenyl)isoxazol-3-yl)methyl)propanamide1209629-65-1C18H18FN3O3
- N-(4-((4-Fluorophenyl)carbamoyl)phenyl)morpholine-4-carboxamide1219559-99-5C18H18FN3O3
- 2-[3-(4-Fluorophenyl)-2-oxoimidazolidin-1-yl]-N-(2-methoxyphenyl)acetamide1251564-78-9C18H18FN3O3
- N-{8-Cyano-1,4-dioxaspiro[4.5]decan-8-yl}-4-fluoro-1H-indole-2-carboxamide1333865-91-0C18H18FN3O3
- 2-(4-Fluorophenoxy)-N-{2-[4-(furan-2-yl)-1-methyl-1H-imidazol-2-yl]ethyl}acetamide1421499-73-1C18H18FN3O3
- 3-(1,3-Dioxo-3a,4,7,7a-tetrahydro-1H-isoindol-2(3H)-yl)-N-(4-fluorophenyl)azetidine-1-carboxamide2034235-29-3C18H18FN3O3
- (E)-1-(3-((5-Fluoropyrimidin-2-yl)oxy)pyrrolidin-1-yl)-3-(4-methoxyphenyl)prop-2-en-1-one2034895-05-9C18H18FN3O3
- 2-(2-Fluorophenoxy)-N-(2-(1-methyl-7-oxo-1H-pyrrolo[2,3-c]pyridin-6(7H)-yl)ethyl)acetamide2034531-87-6C18H18FN3O3
- 2-(2-Fluorophenoxy)-N-{[2-(2-oxopyrrolidin-1-yl)pyridin-4-yl]methyl}acetamide2034339-07-4C18H18FN3O3
- 2-(4-Fluorophenoxy)-N-{[5-(2-oxopyrrolidin-1-yl)pyridin-3-yl]methyl}acetamide2034387-69-2C18H18FN3O3
- 3-Fluoro-4-methoxy-N-{[5-(2-oxopyrrolidin-1-yl)pyridin-3-yl]methyl}benzamide2034299-51-7C18H18FN3O3
- (4-Fluorophenyl)-[4-(2-methyl-4-nitrophenyl)piperazin-1-yl]methanone708279-47-4C18H18FN3O3
- (2-Fluorophenyl)-[4-(2-methyl-4-nitrophenyl)piperazin-1-yl]methanone714279-22-8C18H18FN3O3
- 1-(3-Fluorophenyl)-3-[1-(4-methoxyphenyl)-5-oxopyrrolidin-3-yl]urea877640-47-6C18H18FN3O3
- [4-(4-Amino-2-fluoro-phenoxy)-6,7-dimethoxy-quinolin-2-yl]-methyl-amine849217-97-6C18H18FN3O3
- 4-[2-(2-Fluorophenoxy)propanoyl]-1-(pyridin-3-yl)piperazin-2-one2097888-89-4C18H18FN3O3
- 6-Fluoro-N-[1-(2-methoxyacetyl)-3,4-dihydro-2H-quinolin-7-yl]pyridine-3-carboxamide2411276-46-3C18H18FN3O3
- 2-Fluoro-N-[1-(2-methoxyacetyl)-3,4-dihydro-2H-quinolin-7-yl]pyridine-4-carboxamide2411255-39-3C18H18FN3O3
- (4-Fluorophenyl)[2-(4-methyl-1-piperazinyl)-5-nitrophenyl]methanone197654-05-0C18H18FN3O3
- 1-Cyclopropyl-7-(2,5-diazabicyclo[2.2.1]heptan-2-yl)-6-fluoro-4-oxoquinoline-3-carboxylic acid1220114-79-3C18H18FN3O3
- Sunitinib impurity H2170562-55-5C18H18FN3O3
- 1-(((2S,3S,4S)-3-Ethyl-4-fluoro-5-oxopyrrolidin-2-yl)methoxy)-7-methoxyisoquinoline-6-carbonitrile1817633-59-2C18H18FN3O3
- 4-[2-(2-Fluorophenoxy)propanoyl]-1-(pyridin-2-yl)piperazin-2-one2320175-95-7C18H18FN3O3
- 6-(3-Fluorophenyl)-2-[1-(oxolane-2-carbonyl)azetidin-3-yl]-2,3-dihydropyridazin-3-one2380142-47-0C18H18FN3O3
- 3-{[5-(3,5-Dimethyl-1,2-oxazol-4-yl)furan-2-yl]methyl}-1-[(4-fluorophenyl)methyl]urea2415553-33-0C18H18FN3O3
- N-{2-[(2E)-2-(2-ethoxybenzylidene)hydrazino]-2-oxoethyl}-4-fluorobenzamide767338-79-4C18H18FN3O3
- 4-[2-(4-Fluorophenyl)acetyl]-1-(2-methoxypyridin-4-yl)piperazin-2-one2380170-32-9C18H18FN3O3
- tert-Butyl N-[5-cyano-4-(4-fluorophenyl)-1-methyl-6-oxo-1,6-dihydropyridin-2-yl]carbamate2680678-57-1C18H18FN3O3
- 1H-Pyrrolo[2,3-c]pyridine-5-carboxamide,1-[(4-fluorophenyl)methyl]-N-hydroxy-3-(3-hydroxypropyl)-868552-18-5C18H18FN3O3
Frequently asked questions
What is the molar mass of C18H18FN3O3?
The molar mass of C18H18FN3O3 is 343.36 g/mol, calculated from standard atomic weights for 18 carbon atoms, 18 hydrogen atoms, 1 fluorine atom, 3 nitrogen atoms and 3 oxygen atoms. The monoisotopic mass is 343.1332 Da.
How many compounds have the formula C18H18FN3O3?
CompoundList lists 81 compounds with the molecular formula C18H18FN3O3, including N-Desmethyldanofloxacin, 1-[4-(4-Fluorophenyl)piperazin-1-yl]-2-(2-nitrophenyl)ethanone, 1-[4-(2-Fluorophenyl)piperazin-1-yl]-2-(2-nitrophenyl)ethanone. 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 C18H18FN3O3?
C18H18FN3O3 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.