Molecular formula
C8H9N5O
133 compounds have this formula on CompoundList.
- Molar mass
- 191.19g/mol
- Monoisotopic mass
- 191.0807Da
- Atoms
- 23
- Elements
- 4
- Rings plus double bonds
- 7
The formula C8H9N5O describes a molecule made of 8 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 × 850.26%12.011 × 8 = 96.088 g/mol
- H Hydrogen × 94.74%1.008 × 9 = 9.072 g/mol
- N Nitrogen × 536.63%14.007 × 5 = 70.035 g/mol
- O Oxygen × 18.37%15.999 × 1 = 15.999 g/mol
Look up another formula
Compounds with the formula C8H9N5O
Isomers we list, best known first. Open one to see its structure, properties, safety data and suppliers.
Showing 1 to 100 of 133 compounds
6,7-Dimethylpterin
CAS 611-55-2C8H9N5O
2-(1H-1,2,3-Benzotriazol-1-yl)acetohydrazide
CAS 122502-94-7C8H9N5O
3-Methoxy-4-(1H-1,2,3,4-tetrazol-1-yl)aniline
CAS 524040-12-8C8H9N5O
3-Methoxy-5-(1H-tetrazol-1-yl)aniline
CAS 883291-48-3C8H9N5O
4-Methoxy-3-(1H-tetrazol-1-yl)aniline
CAS 891017-36-0C8H9N5O
![4-[(1H-1,2,3,4-Tetrazol-5-yl)methoxy]aniline chemical structure, C8H9N5O, CAS 575474-47-4](/s/YAVHXIHLIWRSMC-UHFFFAOYSA-N.svg)
4-[(1H-1,2,3,4-Tetrazol-5-yl)methoxy]aniline
CAS 575474-47-4C8H9N5O
![N'-Hydroxy-2-{3H-imidazo[4,5-b]pyridin-2-yl}ethanimidamide chemical structure, C8H9N5O, CAS 107933-05-1](/s/HOXHFMHEMBOZST-UHFFFAOYSA-N.svg)
N'-Hydroxy-2-{3H-imidazo[4,5-b]pyridin-2-yl}ethanimidamide
CAS 107933-05-1C8H9N5O
5-Amino-1-(6-methylpyridazin-3-yl)-1H-pyrazol-3-ol
CAS 1247342-79-5C8H9N5O
O6-Allylguanine
CAS 50663-54-2C8H9N5O
4(3H)-Quinazolinone, 3-amino-2-hydrazino-
CAS 19062-39-6C8H9N5O
![4,6,7,8-Tetrahydropyrimido[1,2-a]purin-10(1H)-one chemical structure, C8H9N5O, CAS 124482-91-3](/s/FZJPYAFFYUYIEP-UHFFFAOYSA-N.svg)
4,6,7,8-Tetrahydropyrimido[1,2-a]purin-10(1H)-one
CAS 124482-91-3C8H9N5O
3-Hydrazino-7-methoxy-1,2,4-benzotriazine
CAS 75122-37-1C8H9N5O
6,8-Dimethylpterin
CAS 144533-67-5C8H9N5O
5-Methoxy-2-(1H-tetrazol-1-yl)aniline
CAS 569648-15-3C8H9N5O
2-Methoxy-4-(1H-tetrazol-1-yl)aniline
CAS 893775-64-9C8H9N5O
6H-Purin-6-one, 2-amino-1,7-dihydro-7-(2-propen-1-yl)-
CAS 21869-84-1C8H9N5O
2-Methoxy-5-(2H-tetrazol-5-yl)aniline
CAS 383870-78-8C8H9N5O
RefChem:381462
CAS 696630-37-2C8H9N5O
N-(2-Furylmethyl)-1,3,5-triazine-2,4-diamine
CAS 98488-77-8C8H9N5O
4-Methoxy-3-(1H-1,2,3,4-tetrazol-5-yl)aniline
CAS 1160472-93-4C8H9N5O
![2-Amino-4,5,6,7-tetrahydro-8H-cyclopenta[d][1,2,4]triazolo[1,5-a]pyrimidin-8-one chemical structure, C8H9N5O, CAS 897547-22-7](/s/ZHIBCAPQGXYUNC-UHFFFAOYSA-N.svg)
2-Amino-4,5,6,7-tetrahydro-8H-cyclopenta[d][1,2,4]triazolo[1,5-a]pyrimidin-8-one
CAS 897547-22-7C8H9N5O
4-Amino-6,7-dimethylpteridin-2(3H)-one
CAS 19152-99-9C8H9N5O
2-Dimethylamino-7-oxo-7,8-dihydropteridine
CAS 6666-03-1C8H9N5O
2-Hydrazino-4-(3-methyl-1,2,4-oxadiazol-5-yl)pyridine
CAS 1334484-83-1C8H9N5O
- 5-Amino-3-(cyanomethyl)-1-(2-hydroxyethyl)-1H-pyrazole-4-carbonitrile53871-48-0C8H9N5O
- 2-Methoxy-5-(1H-tetrazol-1-yl)aniline924871-47-6C8H9N5O
- 5-Amino-1-(4-anisyl)tetrazole39889-78-6C8H9N5O
- 1-(6-Amino-9H-purin-9-yl)propan-2-one105970-02-3C8H9N5O
- 1-(2-Amino-7-methyl[1,2,4]triazolo[1,5-a]pyrimidin-6-yl)ethanone2270905-51-4C8H9N5O
- Dimethylpterin13005-85-1C8H9N5O
- 2-Amino-7-ethylpteridin-4(1H)-one25716-33-0C8H9N5O
- 2-(3-Pyrazin-2-yl-1,2,4-oxadiazol-5-yl)ethanamine1157834-62-2C8H9N5O
- 3-Methyl-7H-pyrazolo[3,4-b]pyridine-5-carbohydrazide1208632-34-1C8H9N5O
- AB-323/1388752950452-64-7C8H9N5O
- 4-Amino-2,6-dimethylpteridin-7(8H)-one260444-94-8C8H9N5O
- 2-Amino-7,8-dimethylpteridin-4(8H)-one152630-94-9C8H9N5O
- 4-Imino-1,3-dimethyl-3,4-dihydro-2(1H)-pteridinone108175-66-2C8H9N5O
- 2-[(2H-Tetrazol-5-ylamino)methyl]phenol4444-79-5C8H9N5O
- 5-Methoxy-2-(2H-tetrazol-5-yl)aniline53967-61-6C8H9N5O
- (2,4-Diaminopyrido[3,2-d]pyrimidin-6-yl)methanol76822-61-2C8H9N5O
- 4-(Azidomethyl)-N-hydroxybenzenecarboximidamide732976-28-2C8H9N5O
- 7-Amino-2-methylpyrazolo[1,5-a]pyrimidine-6-carboxamide1050910-66-1C8H9N5O
- 2-[3-(Pyrimidin-2-yl)-1,2,4-oxadiazol-5-yl]ethan-1-amine1153093-01-6C8H9N5O
- 2-(Ethylamino)pteridin-7(8H)-one101259-25-0C8H9N5O
- 4-(Azidomethyl)-N'-hydroxybenzenecarboximidamideC8H9N5O
- 6-Azido-N,N-dimethylnicotinamide1360056-43-4C8H9N5O
- 2-((1-Methyl-1H-pyrazol-5-yl)amino)pyrimidin-4(3H)-one1673546-76-3C8H9N5O
- 1-Methyl-5-(1H-pyrazol-1-ylcarbonyl)-1H-pyrazol-3-amine1856018-75-1C8H9N5O
- 1-Methyl-3-(1H-pyrazol-1-ylcarbonyl)-1H-pyrazol-5-amine1856019-33-4C8H9N5O
- 3-(1H-Imidazol-1-ylcarbonyl)-1-methyl-1H-pyrazol-5-amine1856102-42-5C8H9N5O
- 3-Methyl-6-(prop-2-en-1-yl)-3H,6H,7H-[1,2,3]triazolo[4,5-d]pyrimidin-7-one1060181-04-5C8H9N5O
- 5-(6-Hydrazino-3-pyridyl)-3-methyl-1,2,4-oxadiazole1338683-46-7C8H9N5O
- 2-Hydrazinyl-4-methylpyrido[2,3-b]pyrazin-3(4H)-one1396846-26-6C8H9N5O
- 3-(2-Aminoethyl)pyrimido[4,5-d]pyrimidin-4(3H)-one1934943-45-9C8H9N5O
- 2-((1-Methyl-1H-pyrazol-4-yl)amino)pyrimidin-4 (3H)-one1462285-99-9C8H9N5O
- 5-(1H-Imidazol-1-ylcarbonyl)-1-methyl-1H-pyrazol-3-amine1856098-17-3C8H9N5O
- 4(1H)-Pteridinone,7-methyl-2-(methylamino)-(9CI)343347-77-3C8H9N5O
- 2-Amino-6-ethylpteridin-4(1H)-one25716-32-9C8H9N5O
- 4-Ethoxypteridin-2-amine681212-00-0C8H9N5O
- 1-(4-Aminophenyl)-4-methyl-4,5-dihydro-1H-1,2,3,4-tetrazol-5-one209959-73-9C8H9N5O
- 3-(2-Methoxypyridin-3-yl)-1H-1,2,4-triazol-5-amine1209993-80-5C8H9N5O
- 2-Methoxy-5-(1H-1,2,4-triazol-1-yl)pyridin-3-amine1303890-00-7C8H9N5O
- 2-Hydrazinyl-3-(3-methyl-1,2,4-oxadiazol-5-yl)pyridine1338690-43-9C8H9N5O
- 1-Methyl-5-(1-methyl-1H-pyrazol-5-yl)-1H-1,2,4-triazole-3-carbaldehyde877133-23-8C8H9N5O
- 2-(6-(1H-Tetrazol-1-yl)pyridin-3-yl)ethanol1374358-13-0C8H9N5O
- 3-Amino-1H-indazole-5-carbohydrazide1210843-88-1C8H9N5O
- 5-Amino-4-methyl-1-(pyrazin-2-yl)-1H-pyrazol-3(2H)-one1414570-83-4C8H9N5O
- 4-Amino-6-(4-methyl-1H-pyrazol-1-yl)pyridazin-3-ol2090932-32-2C8H9N5O
- 3-Amino-1H-indazole-6-carbohydrazide2140305-21-9C8H9N5O
- 1,3-Dimethyl-5-(1H-1,2,4-triazol-1-yl)-1H-pyrazole-4-carbaldehyde1152559-25-5C8H9N5O
- 2-Amino-5-cyclopropyl-3H,7H-[1,2,4]triazolo[1,5-a]pyrimidin-7-one1343753-84-3C8H9N5O
- 1-[2-(1H-Pyrazol-1-yl)ethyl]-1H-1,2,3-triazole-4-carbaldehyde1467655-20-4C8H9N5O
- 3-Amino-1-(1-methyl-1H-pyrazol-4-yl)pyridazin-4(1H)-one1314395-82-8C8H9N5O
- 1-(3-Methoxy-2-pyrazinyl)-1H-pyrazol-3-amine1564733-66-9C8H9N5O
- 5-Methoxy-6-(2H-1,2,3-triazol-2-yl)pyridin-3-amine1832582-62-3C8H9N5O
- 4-Amino-6-(2-methyl-1H-imidazol-1-yl)pyridazin-3-ol2092228-01-6C8H9N5O
- 3-(4-Methoxy-1H-pyrazol-1-yl)pyrazin-2-amine1862717-98-3C8H9N5O
- 2-(Dimethylamino)-6H-pyrimido[4,5-d]pyrimidin-5-one6945-49-9C8H9N5O
- 6-Methyl-2-(methylamino)pteridin-4(1H)-one64882-33-3C8H9N5O
- 2-Amino-8-methyl-7-methylidene-7,8-dihydropteridin-4(1H)-one144533-66-4C8H9N5O
- 4-Methyl-5-(4-pyrimidinyl)-4H-1,2,4-triazole-3-methanol2124208-02-0C8H9N5O
- 9H-Purin-6-amine, 9-(2-propenyl)-, 1-oxide70931-12-3C8H9N5O
- 4-Methoxy-6-methyl-2-(1,2,4-triazol-1-yl)-pyrimidine114833-98-6C8H9N5O
- 7-Hydrazinyl-3-methyl-4H-pyrimido[1,2-b]pyridazin-4-one86674-01-3C8H9N5O
- N-(9-Methyl-9H-purin-6-yl)acetamide21343-06-6C8H9N5O
- 6-Methoxy-5-(2H-1,2,3-triazol-2-yl)-3-pyridinamine1354223-16-7C8H9N5O
- 6-Methoxy-5-(1H-1,2,3-triazol-1-yl)-3-pyridinamine1354223-18-9C8H9N5O
- O-{[3-(1H-1,2,3,4-tetrazol-5-yl)phenyl]methyl}hydroxylamine895589-50-1C8H9N5O
- 2-Methoxy-4-(2H-1,2,3,4-tetrazol-5-yl)aniline1368615-74-0C8H9N5O
- N-Ethyl-9H-purine-6-carboxamide98488-76-7C8H9N5O
- 2,7-Diamino-1H-benzo[d]imidazole-5-carboxamide1805837-60-8C8H9N5O
- 2-(4-Aminopyrrolo[2,1-f][1,2,4]triazin-2-yl)acetamide2091629-13-7C8H9N5O
- 4,6-Dimethyl-3-(1H-1,2,3,4-tetrazol-5-yl)-1,2-dihydropyridin-2-one1019115-18-4C8H9N5O
- 2-(5-Hydrazinyl-1,3,4-oxadiazol-2-yl)benzenamine254972-06-0C8H9N5O
- N-(5H-Purin-6-yl)propanamide37385-05-0C8H9N5O
- 7-Methoxy-6-methylpteridin-2-amine116616-64-9C8H9N5O
- 3-(6-Amino-9H-purin-9-yl)prop-2-en-1-ol156518-71-7C8H9N5O
- 2-Amino-1,6-dimethylpteridin-4(1H)-one64882-31-1C8H9N5O
- O-{[6-(1H-1,2,4-triazol-1-yl)pyridin-3-yl]methyl}hydroxylamine628704-28-9C8H9N5O
- 7-(Aminomethyl)pyrazolo[1,5-a]pyrimidine-2-carboxamide1690838-63-1C8H9N5O
Frequently asked questions
What is the molar mass of C8H9N5O?
The molar mass of C8H9N5O is 191.19 g/mol, calculated from standard atomic weights for 8 carbon atoms, 9 hydrogen atoms, 5 nitrogen atoms and 1 oxygen atom. The monoisotopic mass is 191.0807 Da.
How many compounds have the formula C8H9N5O?
CompoundList lists 133 compounds with the molecular formula C8H9N5O, including 6,7-Dimethylpterin, 2-(1H-1,2,3-Benzotriazol-1-yl)acetohydrazide, 3-Methoxy-4-(1H-1,2,3,4-tetrazol-1-yl)aniline. 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 C8H9N5O?
C8H9N5O has a degree of unsaturation of 7. 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.