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 1 to 100 of 577 compounds
4-Aminobenzoic acid hydrazide
CAS 5351-17-7C7H9N3O
Phenicarbazide
CAS 103-03-7C7H9N3O
4-Phenylsemicarbazide
CAS 537-47-3C7H9N3O
Benzoic acid, 2-amino-, hydrazide
CAS 1904-58-1C7H9N3O
Urea, (3-pyridinylmethyl)-
CAS 36226-32-1C7H9N3O
m-Aminobenzohydrazide
CAS 14062-34-1C7H9N3O
![2-Amino-5H,6H,7H-cyclopenta[d]pyrimidin-4-ol chemical structure, C7H9N3O, CAS 33081-06-0](/s/WJXRMEZIFWONFJ-UHFFFAOYSA-N.svg)
2-Amino-5H,6H,7H-cyclopenta[d]pyrimidin-4-ol
CAS 33081-06-0C7H9N3O
1-(2-Amino-4-methylpyrimidin-5-yl)ethan-1-one
CAS 66373-25-9C7H9N3O
2-(Pyridin-4-yl)acetohydrazide
CAS 69583-00-2C7H9N3O
2-Aminobenzamidoxime
CAS 16348-49-5C7H9N3O
5-Methylpyridine-3-carbohydrazide
CAS 808127-97-1C7H9N3O
2-(Pyridin-3-yl)acetohydrazide
CAS 19730-99-5C7H9N3O
2-Acetamido-5-aminopyridine
CAS 29958-14-3C7H9N3O
(4-Aminophenyl)urea
CAS 21492-80-8C7H9N3O
Formamide, N,N-bis(2-cyanoethyl)-
CAS 3445-84-9C7H9N3O
(3-Aminophenyl)urea
CAS 25711-72-2C7H9N3O
2-Acetamido-6-aminopyridine
CAS 1075-62-3C7H9N3O
2-Amino-N-methylpyridine-3-carboxamide
CAS 870997-87-8C7H9N3O
![3H,4H,5H,6H,7H,8H-Pyrido[2,3-d]pyrimidin-4-one chemical structure, C7H9N3O, CAS 3649-42-1](/s/YJIRCOHLVHBXAK-UHFFFAOYSA-N.svg)
3H,4H,5H,6H,7H,8H-Pyrido[2,3-d]pyrimidin-4-one
CAS 3649-42-1C7H9N3O
2-(Dimethylamino)-5-pyrimidinecarbaldehyde
CAS 55551-49-0C7H9N3O
3-Aminobenzamide oxime
CAS 100524-07-0C7H9N3O
2-Methylpyridine-3-carbohydrazide
CAS 197079-01-9C7H9N3O
![1H,4H,5H,6H-Cyclopenta[c]pyrazole-3-carboxamide chemical structure, C7H9N3O, CAS 851776-30-2](/s/RUYWILNRQBUQRK-UHFFFAOYSA-N.svg)
1H,4H,5H,6H-Cyclopenta[c]pyrazole-3-carboxamide
CAS 851776-30-2C7H9N3O
2-(Pyridin-2-yl)acetohydrazide
CAS 673-05-2C7H9N3O
- 2-(Ethylamino)pyrimidine-5-carbaldehyde137279-29-9C7H9N3O
- 3,4-Diaminobenzamide7005-37-0C7H9N3O
- 4-Isocyanato-1,3,5-trimethyl-1H-pyrazole252956-48-2C7H9N3O
- 5-(Aminomethyl)pyridine-2-carboxamide182292-13-3C7H9N3O
- 2-(Methylamino)pyridine-3-carboxamide103976-52-9C7H9N3O
- 2-(3-(Propan-2-yl)-1,2,4-oxadiazol-5-yl)acetonitrile1239752-36-3C7H9N3O
- alpha-Amino-2-pyridineacetamide1001426-32-9C7H9N3O
- 2-(Dimethylamino)pyrimidine-4-carbaldehyde872707-78-3C7H9N3O
- N-(Pyridin-2-ylmethyl)urea36226-31-0C7H9N3O
- (Pyridin-4-ylmethyl)urea36226-33-2C7H9N3O
- 6-Amino-N-methylpyridine-3-carboxamide94924-86-4C7H9N3O
- 4H,5H,6H,7H-Pyrazolo(1,5-a)pyrimidine-3-carbaldehyde474957-13-6C7H9N3O
- 1H,2H,3H,4H,7H,8H-Pyrido[2,3-d]pyridazin-8-one15375-78-7C7H9N3O
- 2-Methyl-4H,5H,6H,7H-pyrazolo[1,5-a]pyrimidin-5-one380391-51-5C7H9N3O
- Hydrazinecarboxaldehyde, 2-(4-aminophenyl)-63402-26-6C7H9N3O
- 2-Amino-5-methylnicotinamide1021871-28-2C7H9N3O
- Imidazo(1,2-a)pyrimidin-5(1H)-one, 2,3-dihydro-7-methyl-41899-16-5C7H9N3O
- N-(2-Aminopyridin-4-yl)acetamide144672-55-9C7H9N3O
- 3-Methylpyridine-2-carbohydrazide958453-96-8C7H9N3O
- 5-(Dimethylamino)pyrazine-2-carbaldehyde221295-08-5C7H9N3O
- 3 suppliers2,3-Diaminobenzamide711007-44-2C7H9N3O
- 4-Amino-N-methylpyridine-2-carboxamide1155066-09-3C7H9N3O
- 6-Amino-N-methylpyridine-2-carboxamide1250316-47-2C7H9N3O
- 3-Methyl-3H,4H,5H,6H,7H-imidazo[4,5-c]pyridin-4-one1369160-23-5C7H9N3O
- 2-Methylisonicotinic acid hydrazide3758-59-6C7H9N3O
- 1-(1H-Pyrazol-3-yl)pyrrolidin-2-one786700-16-1C7H9N3O
- 2-Cyclopropyl-1H-imidazole-4-carboxamide1384430-46-9C7H9N3O
- 5H,7H,8H-Pyrano[4,3-d]pyrimidin-4-amine1485095-23-5C7H9N3O
- 5H,6H,8H-Pyrano(3,4-d)pyrimidin-2-amine1781072-41-0C7H9N3O
- 3-Methylisonicotinohydrazide176178-87-3C7H9N3O
- N-(3-Aminopyridin-2-yl)acetamide99314-99-5C7H9N3O
- 3-Amino-5-(propan-2-yl)-1,2-oxazole-4-carbonitrile41808-54-2C7H9N3O
- 5-Amino-2-methylpyridine-3-carboxamide1181458-78-5C7H9N3O
- N-(6-Aminopyridin-3-yl)acetamide41292-44-8C7H9N3O
- 1H,2H,3H,4H,5H,6H-Pyrido(2,3-d)pyridazin-5-one15370-82-8C7H9N3O
- N-Hydroxy-6-methyl-nicotinamidine468068-25-9C7H9N3O
- N-Hydroxy-3-methyl-2-pyridinecarboximidamide690632-33-8C7H9N3O
- 1H,4H,5H,6H,7H,8H-Pyrazolo[4,3-c]azepin-4-one1525432-27-2C7H9N3O
- 1-(2-Hydroxyethyl)-3-methyl-1H-pyrazole-4-carbonitrile1849407-91-5C7H9N3O
- 5-Amino-1-cyclopropyl-1H-pyrazole-4-carbaldehyde2137628-45-4C7H9N3O
- 2-Amino-N-(pyridin-3-yl)acetamide294888-93-0C7H9N3O
- 2,4-Diaminobenzamide45867-91-2C7H9N3O
- 5-Amino-6-methylpyridine-2-carboxamide1314934-31-0C7H9N3O
- 3-Methyl-5H,6H,7H,8H-imidazo[1,5-a]pyrazin-8-one1824666-77-4C7H9N3O
- 6-(Methylamino)nicotinamide56501-11-2C7H9N3O
- 4-(Methylamino)pyridine-2-carboxamide1154590-95-0C7H9N3O
- 5,6,7,8-Tetrahydro-[1,2,4]triazolo[4,3-A]pyridine-3-carbaldehyde1493235-24-7C7H9N3O
- 3-Cyclobutanecarbonyl-4H-1,2,4-triazole1596013-62-5C7H9N3O
- 4-Cyclopropyl-1H-pyrazole-3-carboxamide2309456-23-1C7H9N3O
- 1-(4-Hydroxyphenyl)guanidine14279-92-6C7H9N3O
- 1-[1-(1H-1,2,3-Triazol-1-yl)cyclopropyl]ethan-1-one2287279-16-5C7H9N3O
- N-hydroxy-6-methyl-3-PyridinecarboximidamideC7H9N3O
- (E)-2-Hydroxy-1-phenylguanidine219924-54-6C7H9N3O
- N4-cyclopropylcytosine883867-82-1C7H9N3O
- 6-Methylpyridine-2-carbohydrazide98547-86-5C7H9N3O
- 5,6,7,8-Tetrahydropyrido[4,3-d]pyrimidin-4(3H)-one756437-41-9C7H9N3O
- 1 suppliersN-(3-Aminopyridin-4-yl)acetamide145255-15-8C7H9N3O
- 2-Pyrimidinepropanamide857412-35-2C7H9N3O
- (2-Aminophenyl)urea114-39-6C7H9N3O
- 4-Methylpyridine-3-carbohydrazide6316-67-2C7H9N3O
- 1-Methyl-3-pyridin-2-ylurea39805-03-3C7H9N3O
- 1 suppliers4-Aminobenzamidoxime277319-62-7C7H9N3O
- 6-Methylpyridine-3-carbohydrazide197079-25-7C7H9N3O
- 6-Amino-2-cyclopropylpyrimidin-4-ol954388-42-2C7H9N3O
- 6-Methoxy-3-pyridinecarboximidamide736912-54-2C7H9N3O
- 2-Aminobenzamide oxime158439-80-6C7H9N3O
- 3-Amino-5-methylpyridine-2-carboxamide1208081-47-3C7H9N3O
- N-Ethylpyrazine-2-carboxamide74416-46-9C7H9N3O
- 2,5-Diaminobenzamide45865-90-5C7H9N3O
- 7,8-Dihydro-5H-pyrano[4,3-d]pyrimidin-2-amine1211486-21-3C7H9N3O
- 2-Amino-6-cyclopropylpyrimidin-4-ol21573-08-0C7H9N3O
- N-(4-Aminopyridin-2-yl)acetamide75279-39-9C7H9N3O
- 2-Amino-N-methylpyridine-4-carboxamide1211295-76-9C7H9N3O
- 5,6,7,8-Tetrahydropyrido[3,4-D]pyrimidin-4(3H)-one859826-41-8C7H9N3O
- 5,6,7,8-Tetrahydropyrido[4,3-c]pyridazin-3(2H)-one39716-50-2C7H9N3O
- (1E)-(6-Aminopyridin-2-yl)acetaldehyde oxime933624-28-3C7H9N3O
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 4-Aminobenzoic acid hydrazide, Phenicarbazide, 4-Phenylsemicarbazide. 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.