Molecular formula
C16H13N5O
74 compounds have this formula on CompoundList.
- Molar mass
- 291.31g/mol
- Monoisotopic mass
- 291.1120Da
- Atoms
- 35
- Elements
- 4
- Rings plus double bonds
- 13
The formula C16H13N5O describes a molecule made of 16 carbon atoms, 13 hydrogen atoms, 5 nitrogen atoms and 1 oxygen atom. 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 × 1665.97%12.011 × 16 = 192.176 g/mol
- H Hydrogen × 134.50%1.008 × 13 = 13.104 g/mol
- N Nitrogen × 524.04%14.007 × 5 = 70.035 g/mol
- O Oxygen × 15.49%15.999 × 1 = 15.999 g/mol
Look up another formula
Compounds with the formula C16H13N5O
Isomers we list, best known first. Open one to see its structure, properties, safety data and suppliers.
Showing 1 to 74 of 74 compounds
![N-(2-Furylmethyl)-1-phenyl-1H-pyrazolo[3,4-d]pyrimidin-4-amine chemical structure, C16H13N5O, CAS 5326-74-9](/s/RVWAKGRFWFNZQF-UHFFFAOYSA-N.svg)
N-(2-Furylmethyl)-1-phenyl-1H-pyrazolo[3,4-d]pyrimidin-4-amine
CAS 5326-74-9C16H13N5O
![8,9,13b,14-Tetrahydro-6H-[1,2,4]triazolo[5'',1'':2',3']pyrimido[4',5':4,5]pyrido[2,1-a]isoquinolin-6-one chemical structure, C16H13N5O, CAS 344262-61-9](/s/SERSOAJNGUIFSO-UHFFFAOYSA-N.svg)
8,9,13b,14-Tetrahydro-6H-[1,2,4]triazolo[5'',1'':2',3']pyrimido[4',5':4,5]pyrido[2,1-a]isoquinolin-6-one
CAS 344262-61-9C16H13N5O
![7-(4-Methoxyphenyl)-2-(1-pyrrolyl)-[1,2,4]triazolo[1,5-a]pyrimidine chemical structure, C16H13N5O, CAS 303146-11-4](/s/CIVZTKAQLNKZRZ-UHFFFAOYSA-N.svg)
7-(4-Methoxyphenyl)-2-(1-pyrrolyl)-[1,2,4]triazolo[1,5-a]pyrimidine
CAS 303146-11-4C16H13N5O
4-(1-(Phenylmethyl)-1H-benzimidazol-2-yl)-1,2,5-oxadiazol-3-amine
CAS 293760-30-2C16H13N5O
![6-Amino-4-(1H-indol-3-yl)-3-methyl-1,4-dihydropyrano[2,3-c]pyrazole-5-carbonitrile chemical structure, C16H13N5O, CAS 315244-93-0](/s/CNFUFPBSUICSDC-UHFFFAOYSA-N.svg)
6-Amino-4-(1H-indol-3-yl)-3-methyl-1,4-dihydropyrano[2,3-c]pyrazole-5-carbonitrile
CAS 315244-93-0C16H13N5O
![3-Amino-1-phenyl-1,4-dihydro-6H-[1,3,5]triazino[1,2-a]quinazolin-6-one chemical structure, C16H13N5O, CAS 774563-21-2](/s/FILVZBGLGFUSTA-UHFFFAOYSA-N.svg)
3-Amino-1-phenyl-1,4-dihydro-6H-[1,3,5]triazino[1,2-a]quinazolin-6-one
CAS 774563-21-2C16H13N5O
![3-Amino-2-benzyl-[1,2,4]triazolo[5,1-b]quinazolin-9(3H)-one chemical structure, C16H13N5O, CAS 440322-90-7](/s/LJIJJTUWTVJJSZ-UHFFFAOYSA-N.svg)
3-Amino-2-benzyl-[1,2,4]triazolo[5,1-b]quinazolin-9(3H)-one
CAS 440322-90-7C16H13N5O
Benzoic acid, 2-(5-phenyl-1,2,4-triazin-3-yl)hydrazide
CAS 70551-89-2C16H13N5O
![N-(2,3-Dihydroimidazo[1,2-c]quinazolin-5-yl)nicotinamide chemical structure, C16H13N5O, CAS 677337-57-4](/s/BJMGPLMIOIOTNO-UHFFFAOYSA-N.svg)
N-(2,3-Dihydroimidazo[1,2-c]quinazolin-5-yl)nicotinamide
CAS 677337-57-4C16H13N5O
![2-Furan-2-yl-7-m-tolyl-[1,2,4]triazolo[1,5-c]pyrimidin-5-ylamine chemical structure, C16H13N5O, CAS 540751-43-7](/s/NTNJMGZPAOLEAE-UHFFFAOYSA-N.svg)
2-Furan-2-yl-7-m-tolyl-[1,2,4]triazolo[1,5-c]pyrimidin-5-ylamine
CAS 540751-43-7C16H13N5O
3-Amino-n-phenyl-6-(pyridin-3-yl)pyrazine-2-carboxamide
CAS 1232410-52-4C16H13N5O
3-Amino-n-phenyl-6-(pyridin-4-yl)pyrazine-2-carboxamide
CAS 1232409-97-0C16H13N5O
PHD-1 Inhibitor C54
CAS 2009344-53-8C16H13N5O
![7-Benzyl-5-methylpyrido[3,4-e][1,2,4]triazolo[1,5-a]pyrimidin-6(7H)-one chemical structure, C16H13N5O, CAS 1306739-28-5](/s/WTCIYJOGQJHASS-UHFFFAOYSA-N.svg)
7-Benzyl-5-methylpyrido[3,4-e][1,2,4]triazolo[1,5-a]pyrimidin-6(7H)-one
CAS 1306739-28-5C16H13N5O
![2-(6H-Indolo[2,3-b]quinoxalin-6-yl)acetohydrazide chemical structure, C16H13N5O, CAS 116989-58-3](/s/KPAMTPSYLLWTOP-UHFFFAOYSA-N.svg)
2-(6H-Indolo[2,3-b]quinoxalin-6-yl)acetohydrazide
CAS 116989-58-3C16H13N5O
Cact-A1
CAS 354576-90-2C16H13N5O
Furan-2-ylmethyl-(2-imidazol-1-yl-quinazolin-4-yl)-amine
CAS 736905-61-6C16H13N5O
(6-(1H-Pyrazol-1-yl)pyridazin-3-yl)(indolin-1-yl)methanone
CAS 1351645-45-8C16H13N5O
![N-(Pyrazolo[1,5-a]pyridin-3-ylmethyl)-1H-benzo[d]imidazole-5-carboxamide chemical structure, C16H13N5O, CAS 1396680-74-2](/s/VSTQFBHRFIAXKQ-UHFFFAOYSA-N.svg)
N-(Pyrazolo[1,5-a]pyridin-3-ylmethyl)-1H-benzo[d]imidazole-5-carboxamide
CAS 1396680-74-2C16H13N5O
![N-Phenyl-N'-[4-(2-pyridinyl)-2-pyrimidinyl]urea chemical structure, C16H13N5O, CAS 240115-83-7](/s/QCOHYBVSNVRQIO-UHFFFAOYSA-N.svg)
N-Phenyl-N'-[4-(2-pyridinyl)-2-pyrimidinyl]urea
CAS 240115-83-7C16H13N5O
2-((4-Methyl-5-oxo-3-(pyridin-2-yl)-4,5-dihydro-1H-1,2,4-triazol-1-yl)methyl)benzonitrile
CAS 1798524-39-6C16H13N5O
![(2E)-3-Phenyl-N-[3-(1H-tetrazol-1-yl)phenyl]prop-2-enamide chemical structure, C16H13N5O, CAS 1351388-95-8](/s/FWNYQEDJCMTVHS-MDZDMXLPSA-N.svg)
(2E)-3-Phenyl-N-[3-(1H-tetrazol-1-yl)phenyl]prop-2-enamide
CAS 1351388-95-8C16H13N5O
Zaleplon impurity 16
CAS 115932-13-3C16H13N5O
![7-(2-Phenylethyl)pyrido[3,4-e][1,2,4]triazolo[1,5-a]pyrimidin-6(7H)-one chemical structure, C16H13N5O, CAS 908553-87-7](/s/WIKNATXQPTZXHN-UHFFFAOYSA-N.svg)
7-(2-Phenylethyl)pyrido[3,4-e][1,2,4]triazolo[1,5-a]pyrimidin-6(7H)-one
CAS 908553-87-7C16H13N5O
- 7-Benzyl-2-methylpyrido[3,4-e][1,2,4]triazolo[1,5-a]pyrimidin-6(7H)-one925177-87-3C16H13N5O
- 5-([1,2,4]Triazolo[1,5-a]pyridin-6-yl)-1-m-tolyl-1H-imidazol-2(3H)-one1043908-13-9C16H13N5O
- 8-((5-Methyl-5H-pyrrolo[3,2-d]pyrimidin-4-yl)oxy)quinolin-5-amine919278-22-1C16H13N5O
- N-(2-(1H-Pyrazol-1-yl)pyrimidin-5-yl)cinnamamide1421587-58-7C16H13N5O
- Indolin-1-yl(2-phenyl-2H-tetrazol-5-yl)methanone1396815-99-8C16H13N5O
- N-([2,4'-Bipyridin]-3-ylmethyl)pyrazine-2-carboxamide2034474-24-1C16H13N5O
- 4-({[(3Z)-2-Oxo-1-(pyrimidin-2-yl)pyrrolidin-3-ylidene]methyl}amino)benzonitrile339111-12-5C16H13N5O
- 7-Amino-2-methyl-3-phenylpyrazolo[1,5-a]pyrido[3,4-e]pyrimidin-6(7H)-one908496-13-9C16H13N5O
- 3-Methyl-6-[(naphthalen-1-yl)methyl]-3H,6H,7H-[1,2,3]triazolo[4,5-d]pyrimidin-7-one1058197-29-7C16H13N5O
- {5-[4-(Benzyloxy)phenyl]-2H-tetrazol-2-yl}acetonitrile946804-60-0C16H13N5O
- 7-(2-Phenylethyl)pyrazolo[5,1-c]pyrido[4,3-e][1,2,4]triazin-6(7H)-one1209394-89-7C16H13N5O
- Zaleplon formamide1227694-78-1C16H13N5O
- 2-(1H-Benzo[d]imidazol-1-yl)-N-(1H-indazol-6-yl)acetamide1226428-94-9C16H13N5O
- (7,8-Dihydropyrido[4,3-d]pyrimidin-6(5H)-yl)(quinoxalin-6-yl)methanone1796946-79-6C16H13N5O
- 4-[4-(3,5-Dimethyl-1H-pyrazole-1-carbonyl)-1H-imidazol-1-yl]benzonitrile1803606-39-4C16H13N5O
- N-({[2,3'-Bipyridine]-5-yl}methyl)pyrazine-2-carboxamide2034207-97-9C16H13N5O
- N-({[2,4'-Bipyridine]-4-yl}methyl)pyrazine-2-carboxamide2034305-02-5C16H13N5O
- 4-[[2-(5-Phenyl-1,2,4-triazin-3-yl)hydrazinyl]methylidene]cyclohexa-2,5-dien-1-one5663-20-7C16H13N5O
- 3-((4-(Pyridin-3-yl)pyrimidin-2-yl)amino)benzamide919991-24-5C16H13N5O
- 7-(2-Ethylphenyl)pyrido[3,4-e][1,2,4]triazolo[1,5-a]pyrimidin-6(7H)-one1030440-74-4C16H13N5O
- N-([1,2,4]Triazolo[4,3-a]pyridin-3-ylmethyl)-1H-indole-6-carboxamide1574379-38-6C16H13N5O
- 2-Cyano-3-(5-cyano-1,2-dimethyl-1H-pyrrol-3-yl)-N-(pyridin-2-yl)prop-2-enamide1147362-26-2C16H13N5O
- 1-{2-[5-(Pyridin-3-yl)-1,2,4-oxadiazol-3-yl]ethyl}-1H-benzimidazole1225137-91-6C16H13N5O
- 3-{[1-(1-Methyl-1H-pyrazol-4-yl)-4-oxo-1,4-dihydropyridazin-3-yl]methyl}benzonitrile1314392-60-3C16H13N5O
- N-([1,2,4]Triazolo[4,3-a]pyridin-3-ylmethyl)-1H-indole-4-carboxamide1574466-53-7C16H13N5O
- 7Q7AY82Nmv3076467-81-4C16H13N5O
- 6-{2,8-Dimethylimidazo[1,2-b]pyridazin-6-yl}-1,2-dihydrophthalazin-1-one2724264-56-4C16H13N5O
- 4-(1-Methyl-1H-indol-3-yl)-1H-pyrazolo[3,4-b]pyridine-6-carboxamide918132-78-2C16H13N5O
- 6-(Furan-3-yl)-N-(pyridin-4-ylmethyl)imidazo[1,2-A]pyrazin-8-amine920529-82-4C16H13N5O
- N-[Cyano(1-phenyl-1H-pyrazol-4-yl)methyl]-1H-pyrrole-2-carboxamide1355787-48-2C16H13N5O
- [4-[4-(1H-Indazol-3-yl)triazol-1-yl]phenyl]methanol1383704-42-4C16H13N5O
- 4-(4-Methyl-1H-indol-3-yl)-1H-pyrazolo[3,4-b]pyridine-6-carboxamide918132-81-7C16H13N5O
- 2-[3-Methoxy-6-(1H-pyrazol-4-yl)-4-pyridazinyl]-1H-indole870099-11-9C16H13N5O
- 3-(2-Amino-4-ethoxypyrido[3,2-d]pyrimidin-6-yl)benzonitrile917759-66-1C16H13N5O
- 4-(2-Amino-4-ethoxypyrido[3,2-d]pyrimidin-6-yl)benzonitrile917759-19-4C16H13N5O
- 5-(2-Methoxyphenyl)-4-(1H-pyrazol-4-yl)-7H-pyrrolo[2,3-d]pyrimidine1443237-41-9C16H13N5O
- 4,5-Dihydro-5-oxo-4-phenyl-3-(2-pyridinyl)-1H-1,2,4-triazole-1-propanenitrile181425-92-3C16H13N5O
- 2-(1H-Indazol-6-ylamino)-8-methyl-7-quinazolinol1169788-56-0C16H13N5O
- 8,9-Dihydro-6H-pyrido[4,3-b][1,8]naphthyridin-7-yl(pyrimidin-4-yl)methanone2770596-07-9C16H13N5O
- 4-[(4-Phenyl-1,3,5-triazin-2-yl)amino]benzamide333735-72-1C16H13N5O
- 2-Azido-7-ethoxy-3-phenyl-1,8-naphthyridine62893-36-1C16H13N5O
- (7,8-Dihydropyrido[4,3-d]pyrimidin-6(5H)-yl)(quinoxalin-2-yl)methanone1797874-79-3C16H13N5O
- 3-Phenyl-5-[(Z)-C-phenylcarbonohydrazonoyl]-1H-1,2,4-triazin-6-one64445-45-0C16H13N5O
- (5E)-5-[Hydrazinyl(phenyl)methylidene]-3-phenyl-1,2,4-triazin-6(5H)-oneC16H13N5O
- 5-{6H,7H,8H,9H-Pyrido[2,3-b]1,6-naphthyridine-7-carbonyl}pyrimidine2770618-85-2C16H13N5O
- 2-{6H,7H,8H,9H-Pyrido[2,3-b]1,6-naphthyridine-7-carbonyl}pyrazine2770634-31-4C16H13N5O
- 1-{Furo[3,2-c]pyridin-4-yl}-3-{[1,2,4]triazolo[4,3-a]pyridin-3-yl}azetidine2770611-92-0C16H13N5O
- 2-(3-{[1,2,4]Triazolo[4,3-a]pyridin-3-yl}azetidin-1-yl)-1,3-benzoxazole2770613-65-3C16H13N5O
- 1-{[5-(4-Methylphenyl)-1,3,4-oxadiazol-2-yl]methyl}-1H-1,2,3-benzotriazole305860-96-2C16H13N5O
- 7-Amino-3-(1-methylpyrrolo[2,3-b]pyridin-3-yl)-1H-quinoxalin-2-one934687-90-8C16H13N5O
Frequently asked questions
What is the molar mass of C16H13N5O?
The molar mass of C16H13N5O is 291.31 g/mol, calculated from standard atomic weights for 16 carbon atoms, 13 hydrogen atoms, 5 nitrogen atoms and 1 oxygen atom. The monoisotopic mass is 291.1120 Da.
How many compounds have the formula C16H13N5O?
CompoundList lists 74 compounds with the molecular formula C16H13N5O, including N-(2-Furylmethyl)-1-phenyl-1H-pyrazolo[3,4-d]pyrimidin-4-amine, 8,9,13b,14-Tetrahydro-6H-[1,2,4]triazolo[5'',1'':2',3']pyrimido[4',5':4,5]pyrido[2,1-a]isoquinolin-6-one, 7-(4-Methoxyphenyl)-2-(1-pyrrolyl)-[1,2,4]triazolo[1,5-a]pyrimidine. 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 C16H13N5O?
C16H13N5O has a degree of unsaturation of 13. 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.