Molecular formula
C18H13N3O5
56 compounds have this formula on CompoundList.
- Molar mass
- 351.32g/mol
- Monoisotopic mass
- 351.0855Da
- Atoms
- 39
- Elements
- 4
- Rings plus double bonds
- 14
The formula C18H13N3O5 describes a molecule made of 18 carbon atoms, 13 hydrogen atoms, 3 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 × 1861.54%12.011 × 18 = 216.198 g/mol
- H Hydrogen × 133.73%1.008 × 13 = 13.104 g/mol
- N Nitrogen × 311.96%14.007 × 3 = 42.021 g/mol
- O Oxygen × 522.77%15.999 × 5 = 79.995 g/mol
Look up another formula
Compounds with the formula C18H13N3O5
Isomers we list, best known first. Open one to see its structure, properties, safety data and suppliers.
Showing 1 to 56 of 56 compounds
![2-Hydroxy-N-[[5-(3-nitrophenyl)furan-2-yl]methylideneamino]benzamide chemical structure, C18H13N3O5, CAS 20005-05-4](/s/SJETXPAPDOHMPR-YBFXNURJSA-N.svg)
2-Hydroxy-N-[[5-(3-nitrophenyl)furan-2-yl]methylideneamino]benzamide
CAS 20005-05-4C18H13N3O5
![N-[3-[[(4-Nitrophenyl)-oxomethyl]amino]phenyl]-2-furancarboxamide chemical structure, C18H13N3O5, CAS 431927-26-3](/s/GZNCMWBKSPZEFS-UHFFFAOYSA-N.svg)
N-[3-[[(4-Nitrophenyl)-oxomethyl]amino]phenyl]-2-furancarboxamide
CAS 431927-26-3C18H13N3O5
![2-Ketochromene-3-carboxylic acid [2-(semicarbazonomethyl)phenyl] ester chemical structure, C18H13N3O5, CAS 324580-60-1](/s/NCOGMCFBHHKGAD-KEBDBYFISA-N.svg)
2-Ketochromene-3-carboxylic acid [2-(semicarbazonomethyl)phenyl] ester
CAS 324580-60-1C18H13N3O5
![2'-Amino-6'-(hydroxymethyl)-1-methyl-2,8'-dioxospiro[indole-3,4'-pyrano[3,2-b]pyran]-3'-carbonitrile chemical structure, C18H13N3O5, CAS 674805-66-4](/s/LLPFFRBUBVWHGI-UHFFFAOYSA-N.svg)
2'-Amino-6'-(hydroxymethyl)-1-methyl-2,8'-dioxospiro[indole-3,4'-pyrano[3,2-b]pyran]-3'-carbonitrile
CAS 674805-66-4C18H13N3O5
![(Z)-(4-Oxobenzo[d][1,2,3]triazin-3(4H)-yl)methyl 3-(benzo[d][1,3]dioxol-5-yl)acrylate chemical structure, C18H13N3O5, CAS 452968-19-3](/s/KHJGFNRECWVRGO-VURMDHGXSA-N.svg)
(Z)-(4-Oxobenzo[d][1,2,3]triazin-3(4H)-yl)methyl 3-(benzo[d][1,3]dioxol-5-yl)acrylate
CAS 452968-19-3C18H13N3O5
![N-[5-(2,5-Dimethylfuran-3-yl)-1,3,4-oxadiazol-2-yl]-4-oxo-4H-chromene-2-carboxamide chemical structure, C18H13N3O5, CAS 1286710-86-8](/s/ZAOOLVLIMHVZOH-UHFFFAOYSA-N.svg)
N-[5-(2,5-Dimethylfuran-3-yl)-1,3,4-oxadiazol-2-yl]-4-oxo-4H-chromene-2-carboxamide
CAS 1286710-86-8C18H13N3O5
4-(Furan-2-ylcarbonyl)-3-hydroxy-1-(5-methyl-1,2-oxazol-3-yl)-5-(pyridin-3-yl)-1,5-dihydro-2H-pyrrol-2-one
CAS 877645-98-2C18H13N3O5
![(E)-4-(2-(7-Nitro-2,3-dihydrobenzo[b][1,4]dioxin-6-yl)hydrazono)naphthalen-1(4H)-one chemical structure, C18H13N3O5, CAS 306278-25-1](/s/LVNOMNORYMLKFS-UHFFFAOYSA-N.svg)
(E)-4-(2-(7-Nitro-2,3-dihydrobenzo[b][1,4]dioxin-6-yl)hydrazono)naphthalen-1(4H)-one
CAS 306278-25-1C18H13N3O5
(E)-3-(3-(3-Nitrophenyl)acrylamido)benzofuran-2-carboxamide
CAS 477511-73-2C18H13N3O5
(Z)-Methyl 4-(2-cyano-3-((3-nitrophenyl)amino)-3-oxoprop-1-en-1-yl)benzoate
CAS 1321717-07-0C18H13N3O5
![2-Hydroxy-N'-[(E)-[5-(2-nitrophenyl)furan-2-yl]methylidene]benzohydrazide chemical structure, C18H13N3O5, CAS 20924-98-5](/s/WHMJADPNRBXQGY-YBFXNURJSA-N.svg)
2-Hydroxy-N'-[(E)-[5-(2-nitrophenyl)furan-2-yl]methylidene]benzohydrazide
CAS 20924-98-5C18H13N3O5
![2-Naphthalenecarboxylic acid, 3-hydroxy-4-[(2-methyl-5-nitrophenyl)azo]- chemical structure, C18H13N3O5, CAS 68959-32-0](/s/XGIFPIXDLFQMOU-UHFFFAOYSA-N.svg)
2-Naphthalenecarboxylic acid, 3-hydroxy-4-[(2-methyl-5-nitrophenyl)azo]-
CAS 68959-32-0C18H13N3O5
![2-[2-(2,3-Dihydroindol-1-yl)-2-oxoethyl]-4-nitroisoindole-1,3-dione chemical structure, C18H13N3O5, CAS 333413-80-2](/s/GFQGIENEHCZCRQ-UHFFFAOYSA-N.svg)
2-[2-(2,3-Dihydroindol-1-yl)-2-oxoethyl]-4-nitroisoindole-1,3-dione
CAS 333413-80-2C18H13N3O5
N-(2-Methyl-1,3-dioxoisoindol-5-yl)-2-(2-oxo-1,3-benzoxazol-3-yl)acetamide
CAS 694508-60-6C18H13N3O5
![2-{[(2,4,6-Trioxo-1-phenyltetrahydro-5(2H)-pyrimidinylidene)methyl]amino}benzoic acid chemical structure, C18H13N3O5, CAS 353762-04-6](/s/SPRWMTAVIOFIQD-UHFFFAOYSA-N.svg)
2-{[(2,4,6-Trioxo-1-phenyltetrahydro-5(2H)-pyrimidinylidene)methyl]amino}benzoic acid
CAS 353762-04-6C18H13N3O5
(E)-4-(2-(4-((Furan-2-carbonyl)oxy)benzylidene)hydrazinecarbonyl)pyridine 1-oxide
CAS 306735-30-8C18H13N3O5
4-(Furan-2-ylcarbonyl)-3-hydroxy-1-(5-methyl-1,2-oxazol-3-yl)-5-(pyridin-4-yl)-1,5-dihydro-2H-pyrrol-2-one
CAS 850826-45-8C18H13N3O5
![(4Z)-5-Methyl-4-[(6-nitro-1,3-benzodioxol-5-yl)methylidene]-2-phenylpyrazol-3-one chemical structure, C18H13N3O5, CAS 444332-43-8](/s/HGJNOOBJEGXXKX-AUWJEWJLSA-N.svg)
(4Z)-5-Methyl-4-[(6-nitro-1,3-benzodioxol-5-yl)methylidene]-2-phenylpyrazol-3-one
CAS 444332-43-8C18H13N3O5
![2-(2-Hydroxyphenyl)-N'-[(E)-(4-nitrophenyl)methylidene]-3-furohydrazide chemical structure, C18H13N3O5, CAS 343375-11-1](/s/ZDNNQQKPIMYLQR-YBFXNURJSA-N.svg)
2-(2-Hydroxyphenyl)-N'-[(E)-(4-nitrophenyl)methylidene]-3-furohydrazide
CAS 343375-11-1C18H13N3O5
1-(Furan-2-carbonyl)-3-(furan-2-yl)-5-(3-nitrophenyl)-4,5-dihydro-1H-pyrazole
CAS 923227-29-6C18H13N3O5
![(E)-4-(5'-(Furan-2-yl)-2-oxospiro[indoline-3,3'-pyrazol]-2'(4'H)-yl)-4-oxobut-2-enoic acid chemical structure, C18H13N3O5, CAS 929849-28-5](/s/OHMAZMRDUMMUGQ-BQYQJAHWSA-N.svg)
(E)-4-(5'-(Furan-2-yl)-2-oxospiro[indoline-3,3'-pyrazol]-2'(4'H)-yl)-4-oxobut-2-enoic acid
CAS 929849-28-5C18H13N3O5
![4-((3-(Benzo[d][1,3]dioxol-5-yl)-1,2,4-oxadiazol-5-yl)methyl)-2H-benzo[b][1,4]oxazin-3(4H)-one chemical structure, C18H13N3O5, CAS 1105203-93-7](/s/KJZSGBMQXRCFFM-UHFFFAOYSA-N.svg)
4-((3-(Benzo[d][1,3]dioxol-5-yl)-1,2,4-oxadiazol-5-yl)methyl)-2H-benzo[b][1,4]oxazin-3(4H)-one
CAS 1105203-93-7C18H13N3O5
(E)-N'-(1-(3-Hydroxy-1-oxo-1H-inden-2-yl)ethylidene)-4-nitrobenzohydrazide
CAS 325985-80-6C18H13N3O5
![6-(1,3-Benzodioxol-5-yl)-2-[(3-nitrophenyl)methyl]pyridazin-3-one chemical structure, C18H13N3O5, CAS 899946-78-2](/s/HZJKTOQJZFCMKO-UHFFFAOYSA-N.svg)
6-(1,3-Benzodioxol-5-yl)-2-[(3-nitrophenyl)methyl]pyridazin-3-one
CAS 899946-78-2C18H13N3O5
- 6-(2-((4-Oxo-4H-pyrido[1,2-a]pyrimidin-2-yl)oxy)acetyl)-2H-benzo[b][1,4]oxazin-3(4H)-one1105250-53-0C18H13N3O5
- (E)-N-(2-Methyl-1,3-dioxoisoindolin-5-yl)-3-(4-nitrophenyl)acrylamide476317-10-9C18H13N3O5
- [4-(4-Nitrophenoxy)pyridin-2-yl]carbamic acid phenyl ester864245-79-4C18H13N3O5
- 7-Hydroxy-6-[(4-nitrophenyl)diazenyl]-1,2,3-trihydrocyclopenta[2,1-c]chromen-4-one328021-67-6C18H13N3O5
- (Z)-2-Cyano-N-(2-methylphenyl)-3-(6-nitro-1,3-benzodioxol-5-yl)prop-2-enamide358294-92-5C18H13N3O5
- 2-(2-Cyanoanilino)-2-oxoethyl 3-(4-nitrophenyl)prop-2-enoate6572-69-6C18H13N3O5
- (E)-2-Cyano-N-(2,3-dihydro-1,4-benzodioxin-6-yl)-3-(2-nitrophenyl)prop-2-enamide891555-52-5C18H13N3O5
- 2-Cyano-N-(2,3-dihydro-1,4-benzodioxin-6-yl)-3-(2-nitrophenyl)prop-2-enamideC18H13N3O5
- 2-(5-{[2-(4-Nitrophenyl)hydrazinylidene]methyl}furan-2-yl)benzoic acid88460-74-6C18H13N3O5
- 2-Cyano-N-(2-methylphenyl)-3-(6-nitro-2H-1,3-benzodioxol-5-yl)prop-2-enamideC18H13N3O5
- 4-({[(9H-Fluoren-9-yl)methoxy]carbonyl}amino)-1,2,5-oxadiazole-3-carboxylic acid2243513-47-3C18H13N3O5
- 1,3-Dioxo-2,3-dihydro-1H-isoindol-2-yl 4-(2-oxoimidazolidin-1-yl)benzoate2248285-30-3C18H13N3O5
- 1,3-Dioxo-2,3-dihydro-1H-isoindol-2-yl 2-(3-oxo-1,2,3,4-tetrahydroquinoxalin-1-yl)acetate2248287-44-5C18H13N3O5
- 1,3-Dioxo-2,3-dihydro-1H-isoindol-2-yl 2-(methoxymethyl)-1H-1,3-benzodiazole-4-carboxylate2248394-68-3C18H13N3O5
- 1,3-Dioxo-2,3-dihydro-1H-isoindol-2-yl 2-ethoxy-1H-1,3-benzodiazole-5-carboxylate2248383-23-3C18H13N3O5
- 1,3-Dioxo-2,3-dihydro-1H-isoindol-2-yl 3-ethyl-2-oxo-2,3-dihydro-1H-1,3-benzodiazole-5-carboxylate2248409-84-7C18H13N3O5
- 1,3-Dioxo-2,3-dihydro-1H-isoindol-2-yl 1-methyl-3-(5-methylfuran-2-yl)-1H-pyrazole-4-carboxylate2248323-99-9C18H13N3O5
- 1,3-Dioxo-2,3-dihydro-1H-isoindol-2-yl 1-methyl-3-oxo-1,2,3,4-tetrahydroquinoxaline-6-carboxylate2248324-07-2C18H13N3O5
- 1,3-Dioxo-2,3-dihydro-1H-isoindol-2-yl 5-oxo-3-(pyridin-2-yl)pyrrolidine-3-carboxylate2248357-01-7C18H13N3O5
- 1,3-Dioxo-2,3-dihydro-1H-isoindol-2-yl 3-methyl-2-oxo-1,2,3,4-tetrahydroquinazoline-6-carboxylate2248401-27-4C18H13N3O5
- 1,3-Dioxo-2,3-dihydro-1H-isoindol-2-yl 3-(2-oxoimidazolidin-1-yl)benzoate2248280-72-8C18H13N3O5
- 1,3-Dioxo-2,3-dihydro-1H-isoindol-2-yl 2-(dimethylamino)-1,3-benzoxazole-6-carboxylate2248326-93-2C18H13N3O5
- 1,3-Dioxo-2,3-dihydro-1H-isoindol-2-yl 2,5-dimethyl-1-(1,2-oxazol-3-yl)-1H-pyrrole-3-carboxylate2248302-71-6C18H13N3O5
- 1,3-Dioxo-2,3-dihydro-1H-isoindol-2-yl 5-(2-oxopyrrolidin-1-yl)pyridine-3-carboxylate2248338-45-4C18H13N3O5
- 1,3-Dioxo-2,3-dihydro-1H-isoindol-2-yl 2-cyclopropaneamidopyridine-4-carboxylate2248384-07-6C18H13N3O5
- 1,3-Dioxo-2,3-dihydro-1H-isoindol-2-yl 3-(propan-2-yl)-[1,2]oxazolo[5,4-b]pyridine-5-carboxylate2248360-52-1C18H13N3O5
- 1,3-Dioxo-2,3-dihydro-1H-isoindol-2-yl 2-(3-methyl-2-oxo-2,3-dihydro-1H-1,3-benzodiazol-1-yl)acetate2248375-98-4C18H13N3O5
- 5-({[(9H-Fluoren-9-yl)methoxy]carbonyl}amino)-1,3,4-oxadiazole-2-carboxylic acid2243513-62-2C18H13N3O5
- 1,3-Dioxo-2,3-dihydro-1H-isoindol-2-yl 1-ethyl-2-oxo-2,3-dihydro-1H-1,3-benzodiazole-5-carboxylate2248365-26-4C18H13N3O5
- (Z)-2-Cyano-N-(2,3-dihydro-1,4-benzodioxin-6-yl)-3-(2-nitrophenyl)prop-2-enamideC18H13N3O5
- 2-(5-((2-(4-Nitrophenyl)hydrazono)methyl)furan-2-yl)benzoic acidC18H13N3O5
- (E)-2-Cyano-N-(2-methylphenyl)-3-(6-nitro-1,3-benzodioxol-5-yl)prop-2-enamideC18H13N3O5
Frequently asked questions
What is the molar mass of C18H13N3O5?
The molar mass of C18H13N3O5 is 351.32 g/mol, calculated from standard atomic weights for 18 carbon atoms, 13 hydrogen atoms, 3 nitrogen atoms and 5 oxygen atoms. The monoisotopic mass is 351.0855 Da.
How many compounds have the formula C18H13N3O5?
CompoundList lists 56 compounds with the molecular formula C18H13N3O5, including 2-Hydroxy-N-[[5-(3-nitrophenyl)furan-2-yl]methylideneamino]benzamide, N-[3-[[(4-Nitrophenyl)-oxomethyl]amino]phenyl]-2-furancarboxamide, 2-Ketochromene-3-carboxylic acid [2-(semicarbazonomethyl)phenyl] ester. 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 C18H13N3O5?
C18H13N3O5 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.