Molecular formula
C18H16N2O5
179 compounds have this formula on CompoundList.
- Molar mass
- 340.33g/mol
- Monoisotopic mass
- 340.1059Da
- Atoms
- 41
- Elements
- 4
- Rings plus double bonds
- 12
The formula C18H16N2O5 describes a molecule made of 18 carbon atoms, 16 hydrogen atoms, 2 nitrogen atoms and 5 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 × 1863.53%12.011 × 18 = 216.198 g/mol
- H Hydrogen × 164.74%1.008 × 16 = 16.128 g/mol
- N Nitrogen × 28.23%14.007 × 2 = 28.014 g/mol
- O Oxygen × 523.50%15.999 × 5 = 79.995 g/mol
Look up another formula
Compounds with the formula C18H16N2O5
Isomers we list, best known first. Open one to see its structure, properties, safety data and suppliers.
Showing 101 to 179 of 179 compounds
1-(Furan-2-ylmethyl)-5-oxo-N-(1-oxo-1,3-dihydro-2-benzofuran-5-yl)pyrrolidine-3-carboxamide
CAS 1435907-43-9C18H16N2O5
3-(2,3-Dimethoxybenzamido)benzofuran-2-carboxamide
CAS 898373-16-5C18H16N2O5
![3-[2-(2-Methoxyphenoxy)acetamido]-1-benzofuran-2-carboxamide chemical structure, C18H16N2O5, CAS 898373-64-3](/s/NQUWKWJDEVNBDQ-UHFFFAOYSA-N.svg)
3-[2-(2-Methoxyphenoxy)acetamido]-1-benzofuran-2-carboxamide
CAS 898373-64-3C18H16N2O5
Methyl 5-((3-(2-methoxyphenyl)-6-oxopyridazin-1(6H)-yl)methyl)furan-2-carboxylate
CAS 923077-94-5C18H16N2O5
![N-((2-Oxo-3-phenyloxazolidin-5-yl)methyl)benzo[d][1,3]dioxole-5-carboxamide chemical structure, C18H16N2O5, CAS 954721-22-3](/s/CHHCWSZUOVSFSR-UHFFFAOYSA-N.svg)
N-((2-Oxo-3-phenyloxazolidin-5-yl)methyl)benzo[d][1,3]dioxole-5-carboxamide
CAS 954721-22-3C18H16N2O5
![{[3-(4-Methoxyphenyl)-2-methyl-4-oxo-3,4-dihydroquinazolin-6-yl]oxy}acetic acid chemical structure, C18H16N2O5, CAS 951948-31-5](/s/NKLOLAURIDRRQQ-UHFFFAOYSA-N.svg)
{[3-(4-Methoxyphenyl)-2-methyl-4-oxo-3,4-dihydroquinazolin-6-yl]oxy}acetic acid
CAS 951948-31-5C18H16N2O5
![2-[4-(3-Nitro-phenoxy)-butyl]-isoindole-1,3-dione chemical structure, C18H16N2O5, CAS 666719-64-8](/s/SEZUXJFDTAVKST-UHFFFAOYSA-N.svg)
2-[4-(3-Nitro-phenoxy)-butyl]-isoindole-1,3-dione
CAS 666719-64-8C18H16N2O5
![N-(6-Methoxypyridin-3-yl)-2-[(4-methyl-2-oxo-2H-chromen-7-yl)oxy]acetamide chemical structure, C18H16N2O5, CAS 1574402-84-8](/s/QDPSIVZYGRNSGR-UHFFFAOYSA-N.svg)
N-(6-Methoxypyridin-3-yl)-2-[(4-methyl-2-oxo-2H-chromen-7-yl)oxy]acetamide
CAS 1574402-84-8C18H16N2O5
![3-{3-[(4-Methoxyphenyl)amino]-2,5-dioxoazolidinyl}benzoic acid chemical structure, C18H16N2O5, CAS 1095394-62-9](/s/ZOOUOVFFIOEYTA-UHFFFAOYSA-N.svg)
3-{3-[(4-Methoxyphenyl)amino]-2,5-dioxoazolidinyl}benzoic acid
CAS 1095394-62-9C18H16N2O5
![2-(6-Morpholin-4-yl-1,3-dioxobenzo[de]isoquinolin-2-yl)acetic acid chemical structure, C18H16N2O5, CAS 319491-16-2](/s/RCHYKCHYASAGME-UHFFFAOYSA-N.svg)
2-(6-Morpholin-4-yl-1,3-dioxobenzo[de]isoquinolin-2-yl)acetic acid
CAS 319491-16-2C18H16N2O5
Ethyl 1-(benzyloxy)-4-hydroxy-2-oxo-1,2-dihydro-1,8-naphthyridine-3-carboxylate
CAS 686266-21-7C18H16N2O5
N-(2-(2,3-Dihydrobenzofuran-5-yl)-2-hydroxyethyl)-5-(furan-2-yl)isoxazole-3-carboxamide
CAS 1421451-27-5C18H16N2O5
(E)-N-(2-(2,4-Dioxooxazolidin-3-yl)-1-phenylethyl)-3-(furan-2-yl)acrylamide
CAS 2035000-16-7C18H16N2O5
![Methyl 4-((2-(7-oxofuro[2,3-c]pyridin-6(7H)-yl)ethyl)carbamoyl)benzoate chemical structure, C18H16N2O5, CAS 2034374-47-3](/s/CWBYTWXSJZPXBJ-UHFFFAOYSA-N.svg)
Methyl 4-((2-(7-oxofuro[2,3-c]pyridin-6(7H)-yl)ethyl)carbamoyl)benzoate
CAS 2034374-47-3C18H16N2O5
![N-(2-(7-Oxofuro[2,3-c]pyridin-6(7H)-yl)ethyl)-2,3-dihydrobenzo[b][1,4]dioxine-2-carboxamide chemical structure, C18H16N2O5, CAS 2034323-22-1](/s/KMBSWGLAIYWMEQ-UHFFFAOYSA-N.svg)
N-(2-(7-Oxofuro[2,3-c]pyridin-6(7H)-yl)ethyl)-2,3-dihydrobenzo[b][1,4]dioxine-2-carboxamide
CAS 2034323-22-1C18H16N2O5
![2-(Benzo[d][1,3]dioxol-5-yl)-N-(2-(7-oxofuro[2,3-c]pyridin-6(7H)-yl)ethyl)acetamide chemical structure, C18H16N2O5, CAS 2034352-46-8](/s/KLTKOMFVMGEECG-UHFFFAOYSA-N.svg)
2-(Benzo[d][1,3]dioxol-5-yl)-N-(2-(7-oxofuro[2,3-c]pyridin-6(7H)-yl)ethyl)acetamide
CAS 2034352-46-8C18H16N2O5
![N-(2-(7-Oxofuro[2,3-c]pyridin-6(7H)-yl)ethyl)-2,3-dihydrobenzo[b][1,4]dioxine-5-carboxamide chemical structure, C18H16N2O5, CAS 2034272-97-2](/s/QXXABWLCAZVIKI-UHFFFAOYSA-N.svg)
N-(2-(7-Oxofuro[2,3-c]pyridin-6(7H)-yl)ethyl)-2,3-dihydrobenzo[b][1,4]dioxine-5-carboxamide
CAS 2034272-97-2C18H16N2O5
![N-({[2,3'-Bifuran]-5-yl}methyl)-N'-(2-methoxyphenyl)ethanediamide chemical structure, C18H16N2O5, CAS 2034250-90-1](/s/VDHAKJFVLHASQG-UHFFFAOYSA-N.svg)
N-({[2,3'-Bifuran]-5-yl}methyl)-N'-(2-methoxyphenyl)ethanediamide
CAS 2034250-90-1C18H16N2O5
![1-(Benzo[d][1,3]dioxol-5-yl)-3-(2,2-di(furan-2-yl)ethyl)urea chemical structure, C18H16N2O5, CAS 2188279-46-9](/s/KHHKWTNTMACUIV-UHFFFAOYSA-N.svg)
1-(Benzo[d][1,3]dioxol-5-yl)-3-(2,2-di(furan-2-yl)ethyl)urea
CAS 2188279-46-9C18H16N2O5
![2-(2,3-Dihydrobenzo[b][1,4]dioxin-6-yl)-5,7-dimethoxyquinazolin-4(3H)-one chemical structure, C18H16N2O5, CAS 1044870-64-5](/s/MIUZDSGAZLFZFD-UHFFFAOYSA-N.svg)
2-(2,3-Dihydrobenzo[b][1,4]dioxin-6-yl)-5,7-dimethoxyquinazolin-4(3H)-one
CAS 1044870-64-5C18H16N2O5
![2-(2,3-Dihydrobenzo[b][1,4]dioxin-6-yl)-6,7-dimethoxy-quinazolin-4(3H)-one chemical structure, C18H16N2O5, CAS 1044870-71-4](/s/QNECRDKFNQULAR-UHFFFAOYSA-N.svg)
2-(2,3-Dihydrobenzo[b][1,4]dioxin-6-yl)-6,7-dimethoxy-quinazolin-4(3H)-one
CAS 1044870-71-4C18H16N2O5
N-(3,4-Dihydro-2H-1,5-benzodioxepin-7-yl)-3-(2-nitrophenyl)prop-2-enamide
CAS 848069-92-1C18H16N2O5
![Benzoic acid, 3-[3-(4-ethoxyphenyl)-2,5-dioxo-1-imidazolidinyl]- chemical structure, C18H16N2O5, CAS 651748-68-4](/s/DWOPTUWASXAAAH-UHFFFAOYSA-N.svg)
Benzoic acid, 3-[3-(4-ethoxyphenyl)-2,5-dioxo-1-imidazolidinyl]-
CAS 651748-68-4C18H16N2O5
2,4,6(1H,3H,5H)-Pyrimidinetrione, 1,3-bis(4-methoxyphenyl)-
CAS 251468-91-4C18H16N2O5
- Methyl 3-(4-methoxybenzyl)-2,4-dioxo-1,2,3,4-tetrahydroquinazoline-6-carboxylate221540-53-0C18H16N2O5
- 5-(Hydroxymethyl)-N-(2-methoxyphenyl)-8-methyl-2-oxo-2H-pyrano[2,3-c]pyridine-3-carboxamide951459-81-7C18H16N2O5
- 6,7-Dimethoxy-4-(4-methyl-2-nitrophenoxy)quinoline666729-36-8C18H16N2O5
- N-(2,3-Dihydro-1,4-benzodioxin-6-yl)-3,4-dihydro-3-oxo-2H-1,4-benzoxazine-2-acetamide1158643-99-2C18H16N2O5
- Methyl 2-[(4-formyl-2-methoxyphenoxy)methyl]imidazo[1,2-a]pyridine-8-carboxylate1356681-14-5C18H16N2O5
- 2-[4-(6,7-Dimethoxyquinazolin-4-yloxy)phenyl]acetic acid883985-18-0C18H16N2O5
- 3-Methoxy-5-[(7-methoxy-4-quinolinyl)oxy]-2-pyridineacetic acid947763-35-1C18H16N2O5
- 5-(Hydroxymethyl)-N-(3-methoxyphenyl)-8-methyl-2-oxo-2H-pyrano[2,3-c]pyridine-3-carboxamide1073607-35-8C18H16N2O5
- 2-(2,3-Dihydro-1,4-benzodioxin-5-yl)-6,7-dimethoxy-1,4-dihydroquinazolin-4-one1424481-47-9C18H16N2O5
- 1 suppliers2-(2,6-Dioxo-3-piperidyl)-5-(5-hydroxypent-1-ynyl)isoindoline-1,3-dione2357113-47-2C18H16N2O5
- 3-(2,4-Dioxo-1,2,3,4-tetrahydroquinazolin-3-yl)-3-(4-methoxyphenyl)propanoic acid2640971-96-4C18H16N2O5
- 5-(2-(2,6-Dioxopiperidin-3-yl)-1-oxoisoindolin-4-yl)pent-4-ynoic acid2640724-25-8C18H16N2O5
- 2-Propenoic acid, 2-(benzoylamino)-3-(4-nitrophenyl)-, ethyl ester93913-55-4C18H16N2O5
- 4-(3-Pyridinylmethylene)-2-(3,4,5-trimethoxyphenyl)-5(4H)-oxazolone299933-45-2C18H16N2O5
- (4R)-3-[2-(4-Nitrophenyl)acetyl]-4-(phenylmethyl)-2-oxazolidinone869304-72-3C18H16N2O5
- Methyl 4-((5-(2-methoxyphenyl)-1,2,4-oxadiazol-3-yl)methoxy)benzoate531506-38-4C18H16N2O5
- 2-[3-(5-Methyl-2-nitrophenoxy)propyl]-1H-isoindole-1,3(2H)-dione848589-69-5C18H16N2O5
- N-(4-Methyl-5-oxo-2,3,4,5-tetrahydrobenzo[f][1,4]oxazepin-7-yl)benzo[d][1,3]dioxole-5-carboxamide922054-49-7C18H16N2O5
- 1,3-Dioxane-4,6-dione, 5-[[(3-acetyl-2-quinolinyl)amino]methylene]-2,2-dimethyl-1258406-29-9C18H16N2O5
- 2-(2,4-Dimethoxybenzyl)-7-nitroisoquinolin-1(2H)-one1036388-65-4C18H16N2O5
- 2-[[2-[2-(Furan-2-yl)-5-methyl-1,3-oxazol-4-yl]acetyl]amino]-2-phenylacetic acid1575231-34-3C18H16N2O5
- 6-(3,4-Dihydro-2H-benzo[b][1,4]dioxepin-7-yl)-3-ethylisoxazolo[5,4-b]pyridine-4-carboxylic acid1263217-07-7C18H16N2O5
- 3-Amino-4-(benzo[d][1,3]dioxol-5-yl)-1-(2,3-dihydrobenzo[b][1,4]dioxin-6-yl)azetidin-2-one1291490-46-4C18H16N2O5
- N-(2-{[2,2'-Bifuran]-5-yl}-2-hydroxyethyl)-N'-phenylethanediamide2320928-00-3C18H16N2O5
- 1 suppliers2-(2,6-Dioxo-3-piperidyl)-4-(5-hydroxypent-1-ynyl)isoindoline-1,3-dione2357113-34-7C18H16N2O5
- 1,7-Naphthyridine-6-carboxylic acid, 5-hydroxy-2-[(4-methoxyphenyl)methoxy]-, methyl ester2924183-37-7C18H16N2O5
- 6-Methyl-3-nitro-2-(2-nitrophenyl)-4-phenyl-3,4-dihydro-2H-pyran7234-54-0C18H16N2O5
- Ethyl (E)-2-benzamido-3-(2-nitrophenyl)prop-2-enoate6329-31-3C18H16N2O5
- Ethyl 3-(3-methoxybenzamido)furo[2,3-b]pyridine-2-carboxylate371943-69-0C18H16N2O5
- 2-[3-(3-Methyl-2-nitrophenoxy)propyl]-1H-isoindole-1,3(2H)-dione848589-70-8C18H16N2O5
- 1,3-Dioxo-2,3-dihydro-1H-isoindol-2-yl 2-(2-methylpropoxy)pyridine-3-carboxylate2248383-82-4C18H16N2O5
- 1,3-Dioxo-2,3-dihydro-1H-isoindol-2-yl 6-(tert-butoxy)pyridine-2-carboxylate2248369-70-0C18H16N2O5
- 1,3-Dioxo-2,3-dihydro-1H-isoindol-2-yl 6-methyl-2-propoxypyridine-3-carboxylate2248406-60-0C18H16N2O5
- 1,3-Dioxo-2,3-dihydro-1H-isoindol-2-yl 2-(butan-2-yloxy)pyridine-4-carboxylate2248386-12-9C18H16N2O5
- 1,3-Dioxo-2,3-dihydro-1H-isoindol-2-yl 2-hydroxy-6-(2-methylpropyl)pyridine-4-carboxylate2248309-49-9C18H16N2O5
- 1,3-Dioxo-2,3-dihydro-1H-isoindol-2-yl 2-cyclohexyl-1,3-oxazole-4-carboxylate2248310-50-9C18H16N2O5
- 1,3-Dioxo-2,3-dihydro-1H-isoindol-2-yl 5,5-dimethyl-4,5,6,7-tetrahydro-1,2-benzoxazole-3-carboxylate2248377-79-7C18H16N2O5
- 1,3-Dioxo-2,3-dihydro-1H-isoindol-2-yl 5-(tert-butoxy)pyridine-2-carboxylate2248288-84-6C18H16N2O5
- 1,3-Dioxo-2,3-dihydro-1H-isoindol-2-yl 5-[(pyrrolidin-1-yl)methyl]furan-2-carboxylate2248350-73-2C18H16N2O5
- 1,3-Dioxo-2,3-dihydro-1H-isoindol-2-yl 6-(tert-butoxy)pyridine-3-carboxylate2248343-87-3C18H16N2O5
- 2-(2-{[(Prop-2-en-1-yloxy)carbonyl]amino}benzamido)benzoic acid2803865-38-3C18H16N2O5
- 1,3-Dioxo-2,3-dihydro-1H-isoindol-2-yl 1-(2-methylpropyl)-2-oxo-1,2-dihydropyridine-3-carboxylate2248307-82-4C18H16N2O5
- 1,3-Dioxo-2,3-dihydro-1H-isoindol-2-yl 1-tert-butyl-2-oxo-1,2-dihydropyridine-3-carboxylate2248366-83-6C18H16N2O5
- 3-[(1,3-Benzoxazol-2-yl)[(benzyloxy)carbonyl]amino]propanoic acid2639426-40-5C18H16N2O5
- tert-Butyl N-[4'-cyano-2'-(furan-2-yl)-[2,3'-bifuran]-5'-yl]carbamate2680738-99-0C18H16N2O5
- Ethyl 4-{[(benzyloxy)carbonyl]amino}-5-cyano-2-hydroxybenzoate2680824-19-3C18H16N2O5
- 1,3-Dioxo-2,3-dihydro-1H-isoindol-2-yl 2-(2-methyl-4,5,6,7-tetrahydro-1,3-benzoxazol-4-yl)acetate2248287-84-3C18H16N2O5
- 1,3-Dioxo-2,3-dihydro-1H-isoindol-2-yl 3-cyclopentyl-5-methyl-1,2-oxazole-4-carboxylate2248409-45-0C18H16N2O5
- 1-[(Benzyloxy)carbonyl]-5-oxo-2,3,4,5-tetrahydro-1H-1,4-benzodiazepine-6-carboxylic acid2870652-67-6C18H16N2O5
- 1-[(Benzyloxy)carbonyl]-5-oxo-2,3,4,5-tetrahydro-1H-1,4-benzodiazepine-7-carboxylic acid2870660-55-0C18H16N2O5
- 1-[(Benzyloxy)carbonyl]-4-oxo-2,3,4,5-tetrahydro-1H-1,5-benzodiazepine-7-carboxylic acid1823242-53-0C18H16N2O5
- 1-[(Benzyloxy)carbonyl]-2-methyl-3-oxo-1,2,3,4-tetrahydroquinoxaline-6-carboxylic acid2870643-81-3C18H16N2O5
- 1 suppliersThalidomide-5'-O-C3-alkyne2940939-83-1C18H16N2O5
- 3-[[2-[(2-Oxo-3,4-dihydro-1H-quinolin-7-yl)oxy]acetyl]amino]benzoic acid2768502-17-4C18H16N2O5
- 2-[3-[2-(2,6-Dioxo-3-piperidyl)-1-oxo-isoindolin-5-yl]prop-2-ynoxy]acetaldehyde2619512-42-2C18H16N2O5
Frequently asked questions
What is the molar mass of C18H16N2O5?
The molar mass of C18H16N2O5 is 340.33 g/mol, calculated from standard atomic weights for 18 carbon atoms, 16 hydrogen atoms, 2 nitrogen atoms and 5 oxygen atoms. The monoisotopic mass is 340.1059 Da.
How many compounds have the formula C18H16N2O5?
CompoundList lists 179 compounds with the molecular formula C18H16N2O5, including 1-(Furan-2-ylmethyl)-5-oxo-N-(1-oxo-1,3-dihydro-2-benzofuran-5-yl)pyrrolidine-3-carboxamide, 3-(2,3-Dimethoxybenzamido)benzofuran-2-carboxamide, 3-[2-(2-Methoxyphenoxy)acetamido]-1-benzofuran-2-carboxamide. 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 C18H16N2O5?
C18H16N2O5 has a degree of unsaturation of 12. 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.