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 201 to 300 of 577 compounds
5-Amino-3-propylisoxazole-4-carbonitrile
CAS 35261-02-0C7H9N3O
3-Amino-6,7-dihydro-2H-indazol-4(5H)-one
CAS 1210744-87-8C7H9N3O
3-Methoxy-pyridine-2-carboxamidine
CAS 1179533-69-7C7H9N3O
![5H,6H,7H,8H-Imidazo[1,2-A]pyrazine-3-carbaldehyde chemical structure, C7H9N3O, CAS 944905-21-9](/s/ZEXQOPTUYDLTQF-UHFFFAOYSA-N.svg)
5H,6H,7H,8H-Imidazo[1,2-A]pyrazine-3-carbaldehyde
CAS 944905-21-9C7H9N3O
N-(5-Methylpyrazin-2-yl)acetamide
CAS 5521-59-5C7H9N3O
1-(Pyridazin-3-yl)azetidin-3-ol
CAS 1339891-09-6C7H9N3O
2-Methylamino-1-pyrazin-2-yl-ethanone
CAS 1353972-28-7C7H9N3O
6-Amino-5-methylpicolinamide
CAS 1399183-38-0C7H9N3O
![5,6,7,8-Tetrahydropyrido[3,4-d]pyridazin-1(2H)-one chemical structure, C7H9N3O, CAS 1443292-30-5](/s/QXIYTSXNJSIWFZ-UHFFFAOYSA-N.svg)
5,6,7,8-Tetrahydropyrido[3,4-d]pyridazin-1(2H)-one
CAS 1443292-30-5C7H9N3O
![5,6,7,8-Tetrahydro-2H-pyrido[3,2-c]pyridazin-3-one chemical structure, C7H9N3O, CAS 1692264-27-9](/s/RXRCJNKOALAMIY-UHFFFAOYSA-N.svg)
5,6,7,8-Tetrahydro-2H-pyrido[3,2-c]pyridazin-3-one
CAS 1692264-27-9C7H9N3O
![6-[Amino(hydrazinyl)methylidene]cyclohexa-2,4-dien-1-one chemical structure, C7H9N3O, CAS 875-55-8](/s/CJVNVRMRZPSEOA-UHFFFAOYSA-N.svg)
6-[Amino(hydrazinyl)methylidene]cyclohexa-2,4-dien-1-one
CAS 875-55-8C7H9N3O
![N-[(2-Aminophenyl)amino]carboxamide chemical structure, C7H9N3O, CAS 6299-89-4](/s/OTLQHQWHYBMDFP-UHFFFAOYSA-N.svg)
N-[(2-Aminophenyl)amino]carboxamide
CAS 6299-89-4C7H9N3O
2-Amino-5-(prop-2-en-1-yl)pyrimidin-4(3H)-one
CAS 90000-69-4C7H9N3O
1-(2-Amino-6-methylpyrimidin-4-yl)ethanone
CAS 7471-55-8C7H9N3O
![3-Methyl-6,7-dihydro-2H-pyrazolo[3,4-c]pyridin-5(4H)-one chemical structure, C7H9N3O, CAS 959307-66-5](/s/SLLVQBZYOMPPFC-UHFFFAOYSA-N.svg)
3-Methyl-6,7-dihydro-2H-pyrazolo[3,4-c]pyridin-5(4H)-one
CAS 959307-66-5C7H9N3O
![6,7-Dihydro-1H-imidazo[4,5-c]pyridine-5(4H)-carbaldehyde chemical structure, C7H9N3O, CAS 485402-47-9](/s/CTFCIKLBPYXCTB-UHFFFAOYSA-N.svg)
6,7-Dihydro-1H-imidazo[4,5-c]pyridine-5(4H)-carbaldehyde
CAS 485402-47-9C7H9N3O
3-Ethylpyrazine-2-carboxamide
CAS 104893-53-0C7H9N3O
N-(1H-Pyrazol-4-yl)cyclopropanecarboxamide
CAS 1153799-63-3C7H9N3O
1-(4-Amino-2-methylpyrimidin-5-yl)ethanone
CAS 1211540-94-1C7H9N3O
5-Cyclopropyl-1H-pyrazole-3-carboxamide
CAS 401629-05-8C7H9N3O
N-Methylpyridine-2-carbohydrazide
CAS 54571-07-2C7H9N3O
![5,6,7,8-Tetrahydropyrido[3,4-d]pyrimidin-4(4aH)-one chemical structure, C7H9N3O, CAS 1209782-72-8](/s/XFAWCWOVCBASHZ-UHFFFAOYSA-N.svg)
5,6,7,8-Tetrahydropyrido[3,4-d]pyrimidin-4(4aH)-one
CAS 1209782-72-8C7H9N3O
![(1-Methyl-1H-imidazo[1,2-b]pyrazol-7-yl)methanol chemical structure, C7H9N3O, CAS 1210193-24-0](/s/ZCBBPGYUHUMZPP-UHFFFAOYSA-N.svg)
(1-Methyl-1H-imidazo[1,2-b]pyrazol-7-yl)methanol
CAS 1210193-24-0C7H9N3O
![4,5,6,7-Tetrahydro-1H-pyrazolo[4,3-C]pyridine-3-carbaldehyde chemical structure, C7H9N3O, CAS 944902-94-7](/s/UAYZWTZRVQWOTL-UHFFFAOYSA-N.svg)
4,5,6,7-Tetrahydro-1H-pyrazolo[4,3-C]pyridine-3-carbaldehyde
CAS 944902-94-7C7H9N3O
- 4-(Azetidin-3-yloxy)pyrimidine1343343-31-6C7H9N3O
- 1-(Pyrazin-2-yl)azetidin-3-ol1342906-03-9C7H9N3O
- 5-Methyl-4H,5H,6H,7H-pyrazolo[1,5-a]pyrazin-4-one2060026-96-0C7H9N3O
- 5,6,7,8-Tetrahydropyrido[3,4-D]pyridazin-4(3H)-one1443289-13-1C7H9N3O
- 1-(2,6-Diaminopyridin-3-yl)ethanone1393554-95-4C7H9N3O
- N-Hydroxy-2-methyl-3-pyridinecarboximidamide1233243-96-3C7H9N3O
- 1-Methyl-1H,4H,5H,6H,7H-pyrazolo[4,3-c]pyridin-4-one1257403-86-3C7H9N3O
- 3-Amino-4-methylpicolinamide1612242-49-5C7H9N3O
- 3-(Pyrimidin-4-yl)propanamide857412-33-0C7H9N3O
- N inverted exclamation mark-Hydroxy-5-methylpyridine-3-carboximidamide1426087-88-8C7H9N3O
- 1-(But-3-en-1-yl)-1H-1,2,3-triazole-4-carbaldehyde1955532-02-1C7H9N3O
- 3-Methyl-6,7-dihydropyrazolo[1,5-a]pyrazin-4(5H)-one2137858-94-5C7H9N3O
- 1-Methyl-1H,4H,5H,6H,7H-pyrazolo[4,3-b]pyridin-5-one2168301-65-1C7H9N3O
- (4Z)-1,5,6,7-Tetrahydro-4H-indazol-4-one oxime1119451-04-5C7H9N3O
- N-Hydroxy-4-methyl-pyridine-2-carboxamidine478489-76-8C7H9N3O
- N-Hydroxy-2-(pyridin-4-yl)ethanimidamide175532-12-4C7H9N3O
- 2,4,6-Triaminobenzaldehyde477535-26-5C7H9N3O
- 1 suppliersHydrazine, 1-nitroso-1-(phenylmethyl)-1924-84-1C7H9N3O
- 1-(2,3-Dihydro-1H-imidazo[1,2-a]imidazol-1-yl)ethanone67139-09-7C7H9N3O
- 2-Amino-2-(pyridin-3-yl)acetamide736091-66-0C7H9N3O
- 3-(Methylamino)pyridine-2-carboxamide103976-53-0C7H9N3O
- 1-Methyl-4,5,6,7-tetrahydro-1H-1,2,3-benzotriazol-4-one156639-00-8C7H9N3O
- 1-(2-(Methylamino)pyrimidin-4-yl)ethanone645419-05-2C7H9N3O
- 5-Allyloxy-pyrazin-2-ylamine710322-74-0C7H9N3O
- N'-Hydroxy-2-pyridin-4-ylethanimidamideC7H9N3O
- 2-Methoxypyridine-3-carboximidamide1016782-05-0C7H9N3O
- 2-(Cyclopropylamino)-3,4-dihydropyrimidin-4-one1044771-75-6C7H9N3O
- N-Allyl-1H-imidazole-4-carboxamide304457-88-3C7H9N3O
- 1-Methyl-2,3-dihydroimidazo[1,2-c]pyrimidin-5(1H)-one739324-86-8C7H9N3O
- Ethyl pyrimidine-2-carboximidate773011-82-8C7H9N3O
- 2-Amino-2-(pyridin-4-yl)acetamide1266742-79-3C7H9N3O
- 5,6,7,8-Tetrahydro-pyrazo[1,5-a][1,4]diazepin-9-one951627-07-9C7H9N3O
- 5-Amino-N-methylpyridine-3-carboxamide896160-78-4C7H9N3O
- 5H,7H,8H-Pyrano[4,3-c]pyridazin-3-amine1490340-46-9C7H9N3O
- 2-(Azetidin-3-yloxy)pyrimidine1340581-86-3C7H9N3O
- 1-(Pyrimidin-4-yl)azetidin-3-ol1339651-68-1C7H9N3O
- 1-(5-Amino-1-methyl-1H-pyrazol-4-yl)prop-2-EN-1-one1493592-68-9C7H9N3O
- 3-(Pyrazin-2-yl)azetidin-3-ol1491400-26-0C7H9N3O
- 3-(Pyrimidin-5-yl)azetidin-3-ol1514348-73-2C7H9N3O
- 2,6-Dimethylpyrimidine-4-carboxamide74502-96-8C7H9N3O
- 4-Methoxy-5H,6H,7H-pyrrolo[2,3-d]pyrimidine16372-09-1C7H9N3O
- 3,4-Dihydro-2H-pyrido[3,2-b][1,4]oxazin-6-amine1517755-99-5C7H9N3O
- N-[(Pyridazin-3-yl)methyl]acetamide1699949-28-4C7H9N3O
- 3-Hydroxy-3-(1-methyl-1H-pyrazol-4-yl)propanenitrile1505590-87-3C7H9N3O
- 2-Amino-1-(2-aminopyridin-3-yl)ethan-1-one858489-31-3C7H9N3O
- 7,8-Dihydro-5H-[1,2,4]triazolo[4,3-a]azepin-9(6H)-one1708485-78-2C7H9N3O
- (7S)-7-Methyl-6,7-dihydro-5H-pyrazolo[1,5-A]pyrazin-4-one1639901-79-3C7H9N3O
- 6-(Azetidin-1-yl)pyridazin-3-ol2092067-22-4C7H9N3O
- 3-(Azetidin-3-yl)-3,4-dihydropyrimidin-4-one2200108-20-7C7H9N3O
- 2-Amino-5-ethyl-4-oxo-4,5-dihydro-1H-pyrrole-3-carbonitrile65369-39-3C7H9N3O
- N-Hydroxy-5-methyl-pyridine-2-carboxamidineC7H9N3O
- N'-Hydroxy-6-methylpyridine-2-carboximidamideC7H9N3O
- N-Hydroxy-2-methyl-isonicotinamidineC7H9N3O
- N-(1,5,6,7-Tetrahydroindazol-4-ylidene)hydroxylamineC7H9N3O
- 2,6-Diamino-5-methylnicotinaldehyde63196-30-5C7H9N3O
- 1H,4H,5H,6H,7H,8H-Pyrazolo[3,4-c]azepin-8-one69331-98-2C7H9N3O
- 1,3-Dimethyl-5,6-dihydropyrrolo[3,4-c]pyrazol-4-one82680-21-5C7H9N3O
- 3-Amino-6,7-dihydroimidazo[1,5-a]pyridin-1(5H)-one344748-12-5C7H9N3O
- 1-(3,5-Dimethyl-1,2,4-triazin-6-yl)ethanone139938-60-6C7H9N3O
- 7-Methyl-2,3-dihydro-1H-imidazo[1,2-b]pyrazole-1-carbaldehyde126352-86-1C7H9N3O
- N-Cyclopropyl-1H-imidazole-5-carboxamide869491-11-2C7H9N3O
- 2,6-Diaminobenzamide69877-16-3C7H9N3O
- 4-Amino-1-cyclopropylpyrimidin-2(1H)-one58196-50-2C7H9N3O
- N,N-Dimethylpyrimidine-5-carboxamide98405-54-0C7H9N3O
- 6-Ethoxy-5H-imidazo[1,2-b]pyrazole197356-43-7C7H9N3O
- (2Z)-2-Cyano-2-pyrrolidin-2-ylideneacetamide66751-23-3C7H9N3O
- 1-(2-Hydroxyethyl)-5-methyl-1H-pyrazole-3-carbonitrile863753-07-5C7H9N3O
- 2-(Methylamino)isonicotinamide727383-57-5C7H9N3O
- 6-Ethylpyrazine-2-carboxamide13535-11-0C7H9N3O
- 7-Methyl-6,7-dihydroimidazo[1,2-a]pyrazin-8(5H)-one689297-92-5C7H9N3O
- N-(Pyridin-2-yl)acetohydrazide2169145-39-3C7H9N3O
- 5,7-Dihydrofuro[3,4-D]pyrimidin-2-ylmethanamine944903-79-1C7H9N3O
- 5-Methyl-7,7a-dihydro-3H-pyrrolo[2,3-d]pyrimidin-4(4aH)-one924290-45-9C7H9N3O
- 1-(4,5-Diaminopyridin-3-yl)ethanone1393532-48-3C7H9N3O
- 5-(Methylamino)pyridine-2-carboxamide1566481-31-9C7H9N3O
- N-(1-Methyl-1H-pyrazol-5-yl)prop-2-enamide1251230-98-4C7H9N3O
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 5-Amino-3-propylisoxazole-4-carbonitrile, 3-Amino-6,7-dihydro-2H-indazol-4(5H)-one, 3-Methoxy-pyridine-2-carboxamidine. 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.