Molecular formula
C7H9N3O
577 compounds have this formula on CompoundList.
- Molar mass
- 151.17g/mol
- Monoisotopic mass
- 159.1248Da
- Atoms
- 20
- Elements
- 4
- Rings plus double bonds
- 5
The formula C7H9N3O describes a molecule made of 7 carbon atoms, 9 hydrogen atoms, 3 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 × 755.62%12.011 × 7 = 84.077 g/mol
- H Hydrogen × 96.00%1.008 × 9 = 9.072 g/mol
- N Nitrogen × 327.80%14.007 × 3 = 42.021 g/mol
- O Oxygen × 110.58%15.999 × 1 = 15.999 g/mol
Look up another formula
Compounds with the formula C7H9N3O
Isomers we list, best known first. Open one to see its structure, properties, safety data and suppliers.
Showing 501 to 577 of 577 compounds
![3,5-Dimethyl-2H,4H,5H,6H-pyrrolo[3,4-c]pyrazol-4-one chemical structure, C7H9N3O, CAS 2803835-26-7](/s/LTTHQDWIXUIMIF-UHFFFAOYSA-N.svg)
3,5-Dimethyl-2H,4H,5H,6H-pyrrolo[3,4-c]pyrazol-4-one
CAS 2803835-26-7C7H9N3O
3-(Isocyanatomethyl)-1,4-dimethyl-1H-pyrazole
CAS 2649063-40-9C7H9N3O
5-(1H-1,2,4-Triazol-1-yl)pent-2-enal
CAS 2229685-76-9C7H9N3O
3-(1-Isocyanatoethyl)-1-methyl-1H-pyrazole
CAS 2649059-70-9C7H9N3O
3-Hydroxy-3-(5-methyl-1H-pyrazol-3-yl)propanenitrile
CAS 2103687-95-0C7H9N3O
5-(2-Isocyanatoethyl)-1-methyl-1H-imidazole
CAS 2649066-35-1C7H9N3O
4-(1-Isocyanatoethyl)-1-methyl-1H-imidazole
CAS 2649059-39-0C7H9N3O
5-(Isocyanatomethyl)-1,4-dimethyl-1H-pyrazole
CAS 2649035-23-2C7H9N3O
5-(1-Isocyanatoethyl)-4-methyl-1H-imidazole
CAS 2649077-26-7C7H9N3O
2-(2-Isocyanatopropan-2-yl)-1H-imidazole
CAS 2648995-03-1C7H9N3O
3-(1-Ethyl-1H-1,2,4-triazol-5-yl)prop-2-enal
CAS 2229689-00-1C7H9N3O
5-(1-Isocyanatoethyl)-1-methyl-1H-imidazole
CAS 2649030-27-1C7H9N3O
1-Ethyl-5-(isocyanatomethyl)-1H-pyrazole
CAS 2649055-28-5C7H9N3O
3-(Pyrimidin-2-yl)azetidin-3-ol
CAS 2229500-66-5C7H9N3O
4-(2-Isocyanatopropan-2-yl)-1H-pyrazole
CAS 2649071-19-0C7H9N3O
1-(1-Methyl-1H-1,2,3-triazol-4-yl)cyclopropane-1-carbaldehyde
CAS 2228193-13-1C7H9N3O
4-(Cyclopropylmethyl)-4H-1,2,4-triazole-3-carbaldehyde
CAS 2137805-02-6C7H9N3O
1-(4-Amino-1-methyl-1H-pyrazol-5-yl)prop-2-en-1-one
CAS 2137582-01-3C7H9N3O
1-(4-Amino-1H-pyrazol-1-yl)but-3-en-2-one
CAS 1997624-00-6C7H9N3O
2-(1-Isocyanatoethyl)-1-methyl-1H-imidazole
CAS 2649061-99-2C7H9N3O
5-(2-Isocyanatopropan-2-yl)-1H-imidazole
CAS 2649056-37-9C7H9N3O
1-Ethyl-2-(isocyanatomethyl)-1H-imidazole
CAS 2649078-86-2C7H9N3O
2-Amino-1-(1-ethenyl-1H-pyrazol-4-yl)ethan-1-one
CAS 2228227-86-7C7H9N3O
![5H,6H,7H,8H-Imidazo[1,5-a]pyrazine-3-carbaldehyde chemical structure, C7H9N3O, CAS 2680771-24-6](/s/AJIDKBJVTZIUFI-UHFFFAOYSA-N.svg)
5H,6H,7H,8H-Imidazo[1,5-a]pyrazine-3-carbaldehyde
CAS 2680771-24-6C7H9N3O
- 1-(Azetidin-3-yl)-1H-pyrazole-3-carbaldehyde2680736-94-9C7H9N3O
- 1-[1-(1H-1,2,4-Triazol-3-yl)cyclopropyl]ethan-1-one2229464-73-5C7H9N3O
- 1-[2-(Aminomethyl)pyrimidin-5-yl]ethan-1-one2138144-37-1C7H9N3O
- 3-(3,6-Dihydro-2H-pyran-4-yl)-1H-1,2,4-triazole2169230-15-1C7H9N3O
- 3-(2-Isocyanatopropan-2-yl)-1H-pyrazole2649083-07-6C7H9N3O
- 5-Methoxy-1-methyl-1H-pyrazole-3-acetonitrile2111303-63-8C7H9N3O
- 1-(Pyridazin-3-yl-d3)azetidin-2,2,3,4,4-d5-3-ol2363787-75-9C7H9N3O
- 1-(Pyrimidin-4-yl-d3)azetidin-2,2,3,4,4-d5-3-ol2363782-69-6C7H9N3O
- 1-(Pyrimidin-2-yl-d3)azetidin-2,2,3,4,4-d5-3-ol2363788-43-4C7H9N3O
- 6-(Oxetan-3-yl)pyrazin-2-amine2222934-38-3C7H9N3O
- 5-(Azetidin-3-yl)pyrazin-2-ol2222934-41-8C7H9N3O
- 6-(Azetidin-3-yl)pyrazin-2-ol2222935-04-6C7H9N3O
- 5-(Azetidin-3-yl)pyrimidin-2-ol2222937-43-9C7H9N3O
- 2-(Oxetan-3-yl)pyrimidin-4-amine2222934-76-9C7H9N3O
- 4-(Azetidin-3-yl)pyrimidin-2-ol2149424-69-9C7H9N3O
- 6-(Azetidin-3-yl)pyridazin-3-ol2222935-53-5C7H9N3O
- 3,6-Dimethyl-5,6-dihydropyrrolo[3,4-c]pyrazol-4(2H)-one82036-26-8C7H9N3O
- 2-(Isopropylamino)oxazole-4-carbonitrile122686-29-7C7H9N3O
- 5,6-Dihydrocyclopenta[c]pyrazole-2(4H)-carboxamide71100-22-6C7H9N3O
- 5-Ethylpyrazine-2-carboxamide13535-08-5C7H9N3O
- 3-(4-(Hydroxymethyl)-1H-imidazol-1-yl)propanenitrile681235-11-0C7H9N3O
- 3-Isopropyl-5-oxo-4,5-dihydro-1H-pyrazole-4-carbonitrile23286-56-8C7H9N3O
- 5-Amino-2-methyl-4H-pyrrolo[1,2-b]pyrazol-6(5H)-one802323-69-9C7H9N3O
- (1-Methyl-2-pyridinylidene)urea737704-95-9C7H9N3O
- 1-(6,7-Dihydro-5H-pyrrolo[2,1-c][1,2,4]triazol-3-yl)ethanone1542482-03-0C7H9N3O
- 5-Methyl-6,7-dihydro-5H-pyridazino[3,4-b][1,4]oxazine120582-33-4C7H9N3O
- 1-Methyl-2-oxo-1,2-dihydropyridine-3-carboximidamide1508243-25-1C7H9N3O
- 2-Cyclopropyloxazole-4-carboximidamide1516335-18-4C7H9N3O
- 4-Methoxynicotinimidamide1554066-75-9C7H9N3O
- 6-(Dimethylamino)pyrimidine-4-carbaldehyde1546449-04-0C7H9N3O
- 3-Ethoxy-1H-imidazo[1,2-b]pyrazole943013-28-3C7H9N3O
- 3-(1H-Imidazol-5-yl)-N-methylacrylamide952732-78-4C7H9N3O
- 2-Amino-6-methylpyridine-4-carboxamide1443925-76-5C7H9N3O
- 1-Cyclopropyl-4-methyl-1H-1,2,3-triazole-5-carbaldehyde1780216-52-5C7H9N3O
- 4-(Ethylamino)pyrimidine-5-carbaldehyde1935452-13-3C7H9N3O
- 5-(1,2,5,6-Tetrahydropyridin-3-yl)-1,2,4-oxadiazole2168237-62-3C7H9N3O
- 2-(Cyclopropylamino)pyrimidin-5-ol1881294-01-4C7H9N3O
- (6S)-6-Methyl-6,7-dihydro-5H-pyrazolo[1,5-a]pyrazin-4-one2166001-03-0C7H9N3O
- 3-(1-Azidopropyl)furan1824544-48-0C7H9N3O
- 2-Methyl-6,7-dihydro-3H-pyrrolo[2,3-d]pyrimidin-4(5H)-one16372-11-5C7H9N3O
- 5,6,7,8-Tetrahydro-1H-pyrazolo[5,4-b]azepin-4-one1935930-83-8C7H9N3O
- 1-(Azetidin-1-yl)pyrazole-4-carbaldehyde1831072-52-6C7H9N3O
- 4-Amino-3-hydroxybenzimidamide1431640-60-6C7H9N3O
- 5-(1H-Imidazol-2-yl)pyrrolidin-2-one2358270-07-0C7H9N3O
- 5-(1H-Pyrazol-3-yl)pyrrolidin-2-one2355629-47-7C7H9N3O
- 5-(1H-Imidazol-5-yl)pyrrolidin-2-one2359729-54-5C7H9N3O
- 5-(1H-Pyrazol-4-yl)pyrrolidin-2-one2357720-34-2C7H9N3O
- 1-(5-Amino-3-methylpyrazin-2-yl)ethan-1-one2920210-73-5C7H9N3O
- N-(p-Tolyl)nitrous hydrazide58858-71-2C7H9N3O
- N-Methyl-N'-phenylnitrous hydrazide858784-81-3C7H9N3O
- (6R)-6-Methyl-6,7-dihydro-5H-imidazo[1,2-a]pyrazin-8-one2940865-70-1C7H9N3O
- (6S)-6-Methyl-6,7-dihydro-5H-imidazo[1,2-a]pyrazin-8-one2940865-64-3C7H9N3O
- rac-[(2R,4S)-6,8,9-Triazatricyclo[4.3.0.0,2,4]nona-1(9),7-dien-7-yl]methanol2227709-44-4C7H9N3O
Frequently asked questions
What is the molar mass of C7H9N3O?
The molar mass of C7H9N3O is 151.17 g/mol, calculated from standard atomic weights for 7 carbon atoms, 9 hydrogen atoms, 3 nitrogen atoms and 1 oxygen atom. The monoisotopic mass is 159.1248 Da.
How many compounds have the formula C7H9N3O?
CompoundList lists 577 compounds with the molecular formula C7H9N3O, including 3,5-Dimethyl-2H,4H,5H,6H-pyrrolo[3,4-c]pyrazol-4-one, 3-(Isocyanatomethyl)-1,4-dimethyl-1H-pyrazole, 5-(1H-1,2,4-Triazol-1-yl)pent-2-enal. 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 C7H9N3O?
C7H9N3O has a degree of unsaturation of 5. 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.