Molecular formula
C11H9N5O
116 compounds have this formula on CompoundList.
- Molar mass
- 227.23g/mol
- Monoisotopic mass
- 227.0807Da
- Atoms
- 26
- Elements
- 4
- Rings plus double bonds
- 10
The formula C11H9N5O describes a molecule made of 11 carbon atoms, 9 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 × 1158.14%12.011 × 11 = 132.121 g/mol
- H Hydrogen × 93.99%1.008 × 9 = 9.072 g/mol
- N Nitrogen × 530.82%14.007 × 5 = 70.035 g/mol
- O Oxygen × 17.04%15.999 × 1 = 15.999 g/mol
Look up another formula
Compounds with the formula C11H9N5O
Isomers we list, best known first. Open one to see its structure, properties, safety data and suppliers.
Showing 1 to 100 of 116 compounds
![3-Benzyl-3H-[1,2,3]triazolo[4,5-d]pyrimidin-7-ol chemical structure, C11H9N5O, CAS 21324-31-2](/s/GKILZMOZUNSGBZ-UHFFFAOYSA-N.svg)
3-Benzyl-3H-[1,2,3]triazolo[4,5-d]pyrimidin-7-ol
CAS 21324-31-2C11H9N5O
![5-Amino-1-phenyl-1H,4H,5H-pyrazolo[3,4-d]pyrimidin-4-one chemical structure, C11H9N5O, CAS 69923-95-1](/s/FYLIRLDTHRKSMI-UHFFFAOYSA-N.svg)
5-Amino-1-phenyl-1H,4H,5H-pyrazolo[3,4-d]pyrimidin-4-one
CAS 69923-95-1C11H9N5O
![2-Amino-5-phenyl[1,2,4]triazolo[1,5-a]pyrimidin-7(3H)-one chemical structure, C11H9N5O, CAS 895842-41-8](/s/YDGIHHUDHWRDOH-UHFFFAOYSA-N.svg)
2-Amino-5-phenyl[1,2,4]triazolo[1,5-a]pyrimidin-7(3H)-one
CAS 895842-41-8C11H9N5O
N(2)-Phenylguanine
CAS 40769-49-1C11H9N5O
9-Phenylguanine
CAS 14443-33-5C11H9N5O
![3-Amino-6-phenyl-2,5-dihydro-pyrazolo[4,3-e]pyrimidin-4-one chemical structure, C11H9N5O, CAS 15908-70-0](/s/HTTMXXNJOHMNDV-UHFFFAOYSA-N.svg)
3-Amino-6-phenyl-2,5-dihydro-pyrazolo[4,3-e]pyrimidin-4-one
CAS 15908-70-0C11H9N5O
4-(5-Furan-2-yl-tetrazol-1-yl)-phenylamine
CAS 436089-34-8C11H9N5O
![N-[(E)-Pyridin-4-ylmethylideneamino]pyrazine-2-carboxamide chemical structure, C11H9N5O, CAS 1239766-80-3](/s/VCCLENDDTZTLBO-VIZOYTHASA-N.svg)
N-[(E)-Pyridin-4-ylmethylideneamino]pyrazine-2-carboxamide
CAS 1239766-80-3C11H9N5O
1-(4-Aminophenyl)-1H,4H,5H-pyrazolo(3,4-d)pyrimidin-4-one
CAS 1050884-19-9C11H9N5O
N(7)-Phenylguanine
CAS 110718-94-0C11H9N5O
6H-Purin-6-one, 2-amino-1,7-dihydro-8-phenyl-
CAS 7780-10-1C11H9N5O
5-(1-Phenyl-1H-pyrazol-4-yl)-1,3,4-oxadiazol-2-amine
CAS 1152906-45-0C11H9N5O
2-Methyl-3-(4H-1,2,4-triazol-4-yl)quinazolin-4(3H)-one
CAS 327624-49-7C11H9N5O
![1-(2-Aminophenyl)-1H,4H,5H-pyrazolo[3,4-d]pyrimidin-4-one chemical structure, C11H9N5O, CAS 1087784-31-3](/s/STJKZRWNDZEFGO-UHFFFAOYSA-N.svg)
1-(2-Aminophenyl)-1H,4H,5H-pyrazolo[3,4-d]pyrimidin-4-one
CAS 1087784-31-3C11H9N5O
6-Phenoxy-7H-purin-2-amine
CAS 134760-65-9C11H9N5O
![5-Methyl-2-(pyridin-3-yl)-[1,2,4]triazolo[1,5-a]pyrimidin-7(1H)-one chemical structure, C11H9N5O, CAS 830338-71-1](/s/RSZCHXFOGPIDEX-UHFFFAOYSA-N.svg)
5-Methyl-2-(pyridin-3-yl)-[1,2,4]triazolo[1,5-a]pyrimidin-7(1H)-one
CAS 830338-71-1C11H9N5O
Meriolin 2
CAS 954143-47-6C11H9N5O
![2-(4-Amino-1H-pyrazolo[3,4-d]pyrimidin-3-yl)phenol chemical structure, C11H9N5O, CAS 1092787-78-4](/s/SPCDTCWCGHTEOV-UHFFFAOYSA-N.svg)
2-(4-Amino-1H-pyrazolo[3,4-d]pyrimidin-3-yl)phenol
CAS 1092787-78-4C11H9N5O
![3-(4-Amino-1H-pyrazolo[3,4-d]pyrimidin-3-yl)phenol chemical structure, C11H9N5O, CAS 1092786-96-3](/s/PHHVQWRVIMNMHB-UHFFFAOYSA-N.svg)
3-(4-Amino-1H-pyrazolo[3,4-d]pyrimidin-3-yl)phenol
CAS 1092786-96-3C11H9N5O
![N-(3-Methyl-3H-imidazo[4,5-f]quinolin-2-yl)nitrous amide chemical structure, C11H9N5O, CAS 443145-36-6](/s/YXPOSBKXHXBEGW-UHFFFAOYSA-N.svg)
N-(3-Methyl-3H-imidazo[4,5-f]quinolin-2-yl)nitrous amide
CAS 443145-36-6C11H9N5O
2-(2-Furyl)-6-(1H-pyrazol-1-yl)pyrimidin-4-amine
CAS 856171-18-1C11H9N5O
4-(7H-Purin-6-ylamino)phenol
CAS 500282-26-8C11H9N5O
![5-Methyl-2-(4-pyridinyl)[1,2,4]triazolo[1,5-a]pyrimidin-7-ol chemical structure, C11H9N5O, CAS 696647-90-2](/s/MVGKSJAAJWFVLC-UHFFFAOYSA-N.svg)
5-Methyl-2-(4-pyridinyl)[1,2,4]triazolo[1,5-a]pyrimidin-7-ol
CAS 696647-90-2C11H9N5O
![3-[(1Z)-2-Amino-1,2-dicyanoeth-1-en-1-yl]-1-phenylurea chemical structure, C11H9N5O, CAS 51802-29-0](/s/RNAYXSOGFOWMON-KTKRTIGZSA-N.svg)
3-[(1Z)-2-Amino-1,2-dicyanoeth-1-en-1-yl]-1-phenylurea
CAS 51802-29-0C11H9N5O
- 2,3-Dihydro-2-(3-pyridinyl)-4(1H)-pteridinone79973-97-0C11H9N5O
- 4'-((Dicyanomethyl)azo)acetanilide55121-29-4C11H9N5O
- 1,2,4-Triazolo(4,3-b)(1,2,4)triazine, 7-(4-methoxyphenyl)-71347-43-8C11H9N5O
- 4-(5-Phenyl-1,3,4-oxadiazol-2-yl)-1H-pyrazol-3-amine104699-64-1C11H9N5O
- 3-(1,2-Dihydro-5H-tetrazol-5-ylidene)-8-methylquinolin-4(3H)-one61338-58-7C11H9N5O
- 4-((9H-Purin-6-yl)oxy)aniline500282-25-7C11H9N5O
- 5-Amino-1-(1,3-benzoxazol-2-yl)-2,3-dihydro-1H-pyrazole-4-carbonitrile1033463-25-0C11H9N5O
- 3-(4-Methylphenyl)-3,6-dihydro-7H-[1,2,3]triazolo[4,5-d]pyrimidin-7-one17466-02-3C11H9N5O
- [(Z)-Pyrazolo[1,5-a]indol-4-ylideneamino]urea146139-54-0C11H9N5O
- 4-Amino-1-phenyl-1H-pyrazolo[3,4-d]pyrimidin-6(5H)-one136010-91-8C11H9N5O
- 1H-Pyrazole-4-carboxamide, 5-cyano-N-methyl-1-(2-pyridinyl)-98475-60-6C11H9N5O
- s-Triazine, 2-(benzofuran-2-yl)-4,6-diamino-73941-06-7C11H9N5O
- 3,4,5-Pyridinetricarbonitrile, 2-amino-6-isopropoxy-99973-44-1C11H9N5O
- 6-Amino-2-phenyl-7,9-dihydropurin-8-one5466-68-2C11H9N5O
- N-[4-(5-Cyano-2H-triazol-4-yl)phenyl]acetamide39807-69-7C11H9N5O
- 3-(3-Methylphenyl)-3,6-dihydro-7H-[1,2,3]triazolo[4,5-d]pyrimidin-7-one1082436-86-9C11H9N5O
- 4-(4-Amino-6-hydroxypyrimidin-2-ylamino)benzonitrile1398507-07-7C11H9N5O
- LASSBio-12691239766-81-4C11H9N5O
- 1-(2H-Tetrazol-5-ylmethyl)-1H-quinolin-4-one1203308-64-8C11H9N5O
- 4-([1,2,4]Triazolo[4,3-b]pyridazin-6-yloxy)aniline1232770-00-1C11H9N5O
- Phenol, 4-(3-methyl-1,2,4-triazolo(4,3-b)(1,2,4)triazin-7-yl)-86870-03-3C11H9N5O
- 1,2,3-Benzotriazin-4(3H)-one, 3-(1-methyl-1H-pyrazol-5-yl)-131073-48-8C11H9N5O
- 1H-Pyrazole-4-carboxaldehyde, 5-azido-3-methyl-1-phenyl-114362-54-8C11H9N5O
- 4-Azido-2-(4-methoxyphenyl)pyrimidine88627-01-4C11H9N5O
- 4-(Hydroxyamino)-1-phenyl-1H-pyrazolo[3,4-d]pyrimidine91093-97-9C11H9N5O
- 5-(2-Amino-5-pyrimidinyl)-2-benzoxazolamine1268456-47-8C11H9N5O
- (6-Phenyl-[1,2,4]triazolo[4,3-b][1,2,4]triazin-3-yl)methanol1002310-52-2C11H9N5O
- Propanedinitrile, ((4-(1-(hydroxyimino)ethyl)phenyl)azo)-1867-47-6C11H9N5O
- 2-Phenyl-5-(1H-1,2,4-triazol-1-ylmethyl)-1,3,4-oxadiazole338405-22-4C11H9N5O
- 4-Azido-2-(2-methoxyphenyl)pyrimidine88627-02-5C11H9N5O
- 3,6-Dihydro-6-methyl-3-phenyl-7H-1,2,3-triazolo[4,5-d]pyrimidin-7-one163977-52-4C11H9N5O
- 7-Cyclopropylpyrido[3,4-e][1,2,4]triazolo[1,5-a]pyrimidin-6(7H)-one1158269-92-1C11H9N5O
- 7-(Phenylamino)[1,2,4]triazolo[4,3-a]pyrimidin-3(2H)-one1232787-93-7C11H9N5O
- 6-Phenoxy-[1,2,4]triazolo[4,3-b]pyridazin-3-ylamine1178581-81-1C11H9N5O
- 4-Cyano-N-(1-methyl-1H-1,2,4-triazol-5-yl)benzamide1427870-28-7C11H9N5O
- 1-(Cyanomethyl)-3-(pyridin-4-yl)-1H-pyrazole-5-carboxamide2097958-10-4C11H9N5O
- 1H-Imidazo(4,5-c)pyridin-2(3H)-one, 1-methyl-3-(2-pyrazinyl)-89660-35-5C11H9N5O
- 1-Methyl-5-phenyl-1H-[1,2,3]triazolo[4,5-d]pyrimidin-7(4H)-one71492-02-9C11H9N5O
- 5-(1H-Pyrazolo[3,4-b]pyridin-3-yl)-1H-pyrrole-3-carboxylic Acid Amide658695-87-5C11H9N5O
- 2-(3-Aminopyrazin-2-yl)-1H-1,3-benzodiazol-5-ol1540497-76-4C11H9N5O
- N-(Furan-2-ylmethyl)pteridin-4-amine18292-94-9C11H9N5O
- 2-(6-Methyltetrazolo[1,5-a]pyrimidin-5-yl)phenol53580-22-6C11H9N5O
- 4-(4-Amino-1H-pyrazolo[3,4-d]pyrimidin-6-yl)phenol21313-80-4C11H9N5O
- 3-[5-(2-Furanyl)-1H-1,2,4-triazol-3-yl]-2-pyridinamine116799-21-4C11H9N5O
- 5-Azido-1-methyl-3-phenyl-1H-pyrazole-4-carboxaldehyde126177-52-4C11H9N5O
- N-1H-imidazol-2-yl-1H-Indazole-5-carboxamide478829-02-6C11H9N5O
- 6-(Phenylamino)-1H-purin-8(7H)-one95756-26-6C11H9N5O
- 1-(Cyanomethyl)-3-(pyridin-2-yl)-1H-pyrazole-5-carboxamide2098003-53-1C11H9N5O
- 1-(Prop-2-yn-1-yl)-3-(pyrazin-2-yl)-1H-pyrazole-5-carboxamide2098104-13-1C11H9N5O
- N-[4-(1H-1,2,3,4-Tetrazol-1-yl)phenyl]but-2-ynamide2097919-73-6C11H9N5O
- 6-(3-Aminophenyl)-1,5-dihydropyrazolo[5,4-d]pyrimidin-4-one21314-15-8C11H9N5O
- 3-(1,2-Dihydro-5H-tetrazol-5-ylidene)-6-methylquinolin-4(3H)-one61338-57-6C11H9N5O
- 6-Methyl-3-phenyl[1,2,4]triazolo[4,3-b][1,2,4]triazin-7(1H)-one6099-89-4C11H9N5O
- 3-[(2,5-Dihydro-6-methyl-5-oxo-1,2,4-triazin-3-yl)amino]benzonitrile904807-79-0C11H9N5O
- 2-Benzyl-1H-imidazo[4,5-e][1,2,4]triazin-3(2H)-one61322-18-7C11H9N5O
- N-(Cyanomethyl)-2-imidazol-1-ylpyridine-4-carboxamide2249080-33-7C11H9N5O
- N-(Cyanomethyl)-4-(1,2,4-triazol-4-yl)benzamide2248973-41-1C11H9N5O
- 3-Cyclopropyl-5-{[1,2,4]triazolo[4,3-a]pyridin-6-yl}-1,2,4-oxadiazole2415553-03-4C11H9N5O
- 4-(6-Amino-7H-purin-8-yl)phenol42447-64-3C11H9N5O
- Phenol, 4-(6-amino-9H-purin-9-yl)-143308-63-8C11H9N5O
- 4-Phenyl-5-(4H-1,2,4-triazol-4-yl)-1,2-dihydro-3H-pyrazol-3-one62538-01-6C11H9N5O
- 7-Methoxy-3-phenyl-3H-[1,2,3]triazolo[4,5-d]pyrimidine74414-60-1C11H9N5O
- Hydrazinecarboxaldehyde, 2-[1,2,4]triazolo[4,3-a]quinolin-5-yl-54970-99-9C11H9N5O
- 1-Methyl-6-phenyl[1,2,4]triazolo[1,5-b][1,2,4]triazin-7(1H)-one89569-72-2C11H9N5O
- 3-(6-Imidazol-1-yl-3-pyridinyl)-1,4-dihydropyrazol-5-one111205-10-8C11H9N5O
- N-(4-Cyanophenyl)-2-(1H-1,2,4-triazol-1-yl)acetamide1019622-39-9C11H9N5O
- 5-Methyl-2-(pyrazolo[1,5-a]pyrazin-3-yl)pyrimidin-4-ol1330044-24-0C11H9N5O
- 3-(3-Azidoazetidine-1-carbonyl)benzonitrile2098031-90-2C11H9N5O
- 4-(3-Azidoazetidine-1-carbonyl)benzonitrile2097978-89-5C11H9N5O
- 4-Hydroxy-N-phenyl-1H-pyrazolo[3,4-d]pyrimidin-3-amine130224-51-0C11H9N5O
- 2-Methyl-6-phenyl[1,2,4]triazolo[1,5-b][1,2,4]triazin-7(3H)-one89569-74-4C11H9N5O
- 6-Amino-1-phenyl-5H-pyrazolo[5,4-d]pyrimidin-4-one945188-20-5C11H9N5O
- 1,5-Dihydro-6-(2-pyridinylmethyl)-4H-pyrazolo[3,4-d]pyrimidin-4-one1189771-42-3C11H9N5O
- N-(Cyanomethyl)-4-(1H-imidazol-1-yl)pyridine-2-carboxamide2418648-48-1C11H9N5O
- 5-Methyl-3-phenyl-5,7-dihydro-6H-imidazo[4,5-e][1,2,4]triazin-6-one61428-02-2C11H9N5O
- 5-Methoxy-3-phenyl-3H-[1,2,3]triazolo[4,5-d]pyrimidine91322-02-0C11H9N5O
Frequently asked questions
What is the molar mass of C11H9N5O?
The molar mass of C11H9N5O is 227.23 g/mol, calculated from standard atomic weights for 11 carbon atoms, 9 hydrogen atoms, 5 nitrogen atoms and 1 oxygen atom. The monoisotopic mass is 227.0807 Da.
How many compounds have the formula C11H9N5O?
CompoundList lists 116 compounds with the molecular formula C11H9N5O, including 3-Benzyl-3H-[1,2,3]triazolo[4,5-d]pyrimidin-7-ol, 5-Amino-1-phenyl-1H,4H,5H-pyrazolo[3,4-d]pyrimidin-4-one, 2-Amino-5-phenyl[1,2,4]triazolo[1,5-a]pyrimidin-7(3H)-one. 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 C11H9N5O?
C11H9N5O has a degree of unsaturation of 10. 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.