Molecular formula
C5H9N3O
302 compounds have this formula on CompoundList.
- Molar mass
- 127.15g/mol
- Monoisotopic mass
- 127.0746Da
- Atoms
- 18
- Elements
- 4
- Rings plus double bonds
- 3
The formula C5H9N3O describes a molecule made of 5 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 × 547.23%12.011 × 5 = 60.055 g/mol
- H Hydrogen × 97.14%1.008 × 9 = 9.072 g/mol
- N Nitrogen × 333.05%14.007 × 3 = 42.021 g/mol
- O Oxygen × 112.58%15.999 × 1 = 15.999 g/mol
Look up another formula
Compounds with the formula C5H9N3O
Isomers we list, best known first. Open one to see its structure, properties, safety data and suppliers.
Showing 201 to 300 of 302 compounds
(2,5-Dimethyl-2H-1,2,3-triazol-4-yl)methanol
CAS 947505-27-3C5H9N3O
1-(1-Methyl-1H-1,2,4-triazol-3-yl)ethan-1-ol
CAS 2163061-44-5C5H9N3O
4-(Methoxymethyl)-1-methyl-1H-1,2,3-triazole
CAS 2770518-45-9C5H9N3O
N-Ethyl-3-methyl-1,2,4-oxadiazol-5-amine
CAS 1249331-95-0C5H9N3O
(S)-2-(4H-1,2,4-Triazol-4-yl)propan-1-ol
CAS 1568158-72-4C5H9N3O
1,2,3-Triazole-2-propanol
CAS 864970-30-9C5H9N3O
6-(Aminomethyl)-4,5-dihydropyridazin-3(2H)-one
CAS 920285-96-7C5H9N3O
![O-[2-(1H-Pyrazol-4-yl)ethyl]hydroxylamine chemical structure, C5H9N3O, CAS 1927878-71-4](/s/NSYWNFMTMRLBJZ-UHFFFAOYSA-N.svg)
O-[2-(1H-Pyrazol-4-yl)ethyl]hydroxylamine
CAS 1927878-71-4C5H9N3O
3-(1,2,4-Oxadiazol-5-yl)propan-1-amine
CAS 1249045-75-7C5H9N3O
(R)-2-(4H-1,2,4-Triazol-4-yl)propan-1-ol
CAS 1567957-12-3C5H9N3O
2-Aminopent-4-ynehydrazide
CAS 1423876-25-8C5H9N3O
I(2)-Methyl-1,2,4-oxadiazole-5-ethanamine
CAS 1249431-18-2C5H9N3O
![N-[(1H-Imidazol-5-yl)methyl]-N-methylhydroxylamine chemical structure, C5H9N3O, CAS 1500613-77-3](/s/MGCLFXUZLDMZDG-UHFFFAOYSA-N.svg)
N-[(1H-Imidazol-5-yl)methyl]-N-methylhydroxylamine
CAS 1500613-77-3C5H9N3O
![N-[(1H-Imidazol-2-yl)methyl]-N-methylhydroxylamine chemical structure, C5H9N3O, CAS 1539198-75-8](/s/QTCBWMHRHYMIJY-UHFFFAOYSA-N.svg)
N-[(1H-Imidazol-2-yl)methyl]-N-methylhydroxylamine
CAS 1539198-75-8C5H9N3O
2-Amino-2-(1H-pyrazol-5-yl)ethan-1-ol
CAS 2091306-24-8C5H9N3O
![N-[(4-Methyl-1H-imidazol-5-yl)methyl]hydroxylamine chemical structure, C5H9N3O, CAS 1507113-03-2](/s/BUSNGBBKAPLQTR-UHFFFAOYSA-N.svg)
N-[(4-Methyl-1H-imidazol-5-yl)methyl]hydroxylamine
CAS 1507113-03-2C5H9N3O
N-(Propan-2-yl)-1,3,4-oxadiazol-2-amine
CAS 1556450-82-8C5H9N3O
(2R)-2-Amino-2-(1H-pyrazol-3-yl)ethan-1-ol
CAS 2227692-65-9C5H9N3O
4-(2-Methoxyethyl)-4H-1,2,4-triazole
CAS 1282494-77-2C5H9N3O
![Methyl[1-(1,2,4-oxadiazol-3-yl)ethyl]amine chemical structure, C5H9N3O, CAS 1824050-66-9](/s/HSIFGZGFJXXVAJ-UHFFFAOYSA-N.svg)
Methyl[1-(1,2,4-oxadiazol-3-yl)ethyl]amine
CAS 1824050-66-9C5H9N3O
(1S)-1-(1-Methyl-1H-1,2,3-triazol-4-yl)ethan-1-ol
CAS 1841099-72-6C5H9N3O
4-Hydrazinyl-3,5-dimethyl-1,2-oxazole
CAS 861358-33-0C5H9N3O
(1R)-1-(1-Methyl-1H-1,2,3-triazol-4-yl)ethan-1-ol
CAS 1841086-90-5C5H9N3O
(4-Amino-1-methyl-1H-imidazol-5-yl)methanol
CAS 1823898-74-3C5H9N3O
- 4-Methoxy-1-methyl-1H-pyrazol-5-amine2153904-92-6C5H9N3O
- 5-Ethyl-2-methyl-4H-1,2,4-triazol-3-one4114-22-1C5H9N3O
- O-[2-(1H-Imidazol-5-yl)ethyl]hydroxylamine2228318-08-7C5H9N3O
- 2-(1H-Pyrazol-3-yloxy)ethan-1-amine2228784-46-9C5H9N3O
- 3-(2-Azidoethoxy)prop-1-ene75988-52-2C5H9N3O
- 2-Amino-1,4-dimethyl-1H-imidazol-5-ol339345-76-5C5H9N3O
- 3-Amino-1,4-dimethylimidazol-2-one170500-61-5C5H9N3O
- 1,3,5-Triazin-2(1H)-one, 5-ethyl-5,6-dihydro-756810-44-3C5H9N3O
- 2-Amino-3-ethyl-3,5-dihydro-4H-imidazol-4-one5624-31-7C5H9N3O
- 2-(1H-Imidazol-5-yloxy)ethan-1-amine2228160-15-2C5H9N3O
- 1-(3-Amino-1H-pyrazol-5-yl)ethanol1621068-01-6C5H9N3O
- 2-(1-Methyl-1H-1,2,4-triazol-3-yl)ethan-1-ol1539010-08-6C5H9N3O
- (S)-1-(5-Methyl-1,2,4-oxadiazol-3-yl)ethan-1-amine1332952-02-9C5H9N3O
- 3,3a,4,5,6,6a-Hexahydro-1H-pyrrolo[3,4-d]imidazol-2-one1235590-77-8C5H9N3O
- 2-Amino-4-cyanobutanamide85514-11-0C5H9N3O
- (5-Amino-1-methyl-1H-imidazol-2-yl)methanol1708269-47-9C5H9N3O
- (4-Amino-1-methyl-1H-pyrazol-3-yl)methanol1791428-85-7C5H9N3O
- 2-(5-Amino-1H-imidazol-1-yl)ethanol799813-60-8C5H9N3O
- 3-Amino-1-diazoniopent-1-en-2-olate106148-43-0C5H9N3O
- N-(4-Aminobut-2-yn-1-yl)urea192372-31-9C5H9N3O
- 2-Imino-5,5-dimethyl-2,5-dihydro-1,3-oxazol-4-amine38568-26-2C5H9N3O
- 2-(1,2,4-Oxadiazol-5-yl)propan-2-amine1249127-64-7C5H9N3O
- N-[(5-Methyl-1H-pyrazol-3-yl)methyl]hydroxylamine1518393-21-9C5H9N3O
- N-[(1-Methyl-1H-imidazol-4-yl)methyl]hydroxylamine1526900-26-4C5H9N3O
- 2-Amino-2-(1H-imidazol-5-yl)ethan-1-ol1541466-11-8C5H9N3O
- 2-Amino-2-(1H-imidazol-2-yl)ethan-1-ol1391310-19-2C5H9N3O
- N-[(1-Methyl-1H-pyrazol-3-yl)methyl]hydroxylamine1502622-04-9C5H9N3O
- N-Methyl-N-[(1H-pyrazol-3-yl)methyl]hydroxylamine2229336-15-4C5H9N3O
- N-Methyl-N-[(1H-pyrazol-4-yl)methyl]hydroxylamine1507962-87-9C5H9N3O
- 2-Amino-1-(1H-pyrazol-4-yl)ethan-1-ol1518728-97-6C5H9N3O
- 4-(Aminomethyl)-1-methyl-1H-pyrazol-5-ol1541765-06-3C5H9N3O
- 2-Amino-5,5-dimethyl-3,5-dihydro-4H-imidazol-4-one1546616-89-0C5H9N3O
- O-[(5-Methyl-1H-pyrazol-3-yl)methyl]hydroxylamine1540278-50-9C5H9N3O
- (1R)-2-Amino-1-(1H-imidazol-5-yl)ethan-1-ol139344-35-7C5H9N3O
- (1S)-2-Amino-1-(1H-imidazol-5-yl)ethan-1-ol139344-36-8C5H9N3O
- (2S)-2-Amino-2-(1H-pyrazol-4-yl)ethan-1-ol2227845-19-2C5H9N3O
- (2R)-2-Amino-2-(1H-pyrazol-4-yl)ethan-1-ol2227741-48-0C5H9N3O
- (1R)-2-Amino-1-(1H-pyrazol-3-yl)ethan-1-ol2227810-13-9C5H9N3O
- (1S)-2-Amino-1-(1H-pyrazol-3-yl)ethan-1-ol2227699-52-5C5H9N3O
- (2S)-2-Amino-2-(1H-imidazol-5-yl)ethan-1-ol1447149-11-2C5H9N3O
- (2R)-2-Amino-2-(1H-imidazol-5-yl)ethan-1-ol1447209-31-5C5H9N3O
- (2S)-2-Amino-2-(1H-imidazol-2-yl)ethan-1-ol1344399-22-9C5H9N3O
- (2R)-2-Amino-2-(1H-imidazol-2-yl)ethan-1-ol1344555-67-4C5H9N3O
- (1R)-2-Amino-1-(1H-imidazol-2-yl)ethan-1-ol2227784-86-1C5H9N3O
- (1S)-2-Amino-1-(1H-imidazol-2-yl)ethan-1-ol2227651-24-1C5H9N3O
- (2S)-2-Amino-2-(1H-pyrazol-3-yl)ethan-1-ol2227830-68-2C5H9N3O
- (1S)-2-Amino-1-(1H-pyrazol-4-yl)ethan-1-ol2227765-37-7C5H9N3O
- (1R)-2-Amino-1-(1H-pyrazol-4-yl)ethan-1-ol2227858-09-3C5H9N3O
- 5-(Methoxymethyl)-1H-imidazol-2-amine1691874-26-6C5H9N3O
- (S)-1-(1-Methyl-1H-1,2,4-triazol-5-yl)ethan-1-ol2349731-35-5C5H9N3O
- 2-Methoxy-1-methyl-1H-imidazol-4-amine1543194-30-4C5H9N3O
- 2-Ethyl-5-methyl-4H-1,2,4-triazol-3-one2748016-17-1C5H9N3O
- 4-Methoxy-1-methyl-1H-pyrazol-3-amine2167749-38-2C5H9N3O
- O-[(1-Methyl-1H-imidazol-4-yl)methyl]hydroxylamine2228675-23-6C5H9N3O
- 2-Azido-2-cyclopropylethan-1-ol2228993-52-8C5H9N3O
- 1-(2-Azidoethyl)cyclopropan-1-ol2503205-18-1C5H9N3O
- 1-(Methoxymethyl)-1H-imidazol-2-amine2138406-52-5C5H9N3O
- 7-Oxa-2,5-diazaspiro[3.4]oct-5-en-6-amine2172053-47-1C5H9N3O
- O-[1-(1H-Pyrazol-4-yl)ethyl]hydroxylamine2228442-86-0C5H9N3O
- O-[1-(1H-Imidazol-2-yl)ethyl]hydroxylamine2228400-78-8C5H9N3O
- (2R)-1-(1H-1,2,4-Triazol-3-yl)propan-2-ol2227819-09-0C5H9N3O
- (2S)-1-(1H-1,2,4-Triazol-3-yl)propan-2-ol2227676-81-3C5H9N3O
- O-[1-(1H-Imidazol-5-yl)ethyl]hydroxylamine2229294-40-8C5H9N3O
- 2-Azido-3-methylbut-3-en-1-ol2229463-63-0C5H9N3O
- 6-Oxa-1,2-diazaspiro[2.5]oct-1-en-4-amine2193065-58-4C5H9N3O
- 2-Amino-3-cyano-3-methylpropanamide2145595-39-5C5H9N3O
- O-[1-(1H-Pyrazol-3-yl)ethyl]hydroxylamine2229002-07-5C5H9N3O
- 4-(Hydrazinylmethyl)-5-methyl-1,2-oxazole2228912-66-9C5H9N3O
- O-[2-(1H-Pyrazol-3-yl)ethyl]hydroxylamine2228768-18-9C5H9N3O
- (S)-5-Amino-3-methyl-1,6-dihydropyrazin-2(3H)-one109924-00-7C5H9N3O
- (5S)-3,5-Dimethyl-2,5-dihydro-1H-1,2,4-triazin-6-one89311-27-3C5H9N3O
- Pyrimidin-2-ylmethanamine hydrate1956321-45-1C5H9N3O
- 5-(Aminomethyl)-1-methyl-1H-pyrazol-4-ol1488751-23-0C5H9N3O
- 1-Methyl-4-(methylamino)-1H-pyrazol-5-ol1554483-07-6C5H9N3O
- (5-Amino-1-methyl-1H-pyrazol-4-yl)methanol1785540-98-8C5H9N3O
- 5-Azidopent-2-en-1-ol1178514-39-0C5H9N3O
Frequently asked questions
What is the molar mass of C5H9N3O?
The molar mass of C5H9N3O is 127.15 g/mol, calculated from standard atomic weights for 5 carbon atoms, 9 hydrogen atoms, 3 nitrogen atoms and 1 oxygen atom. The monoisotopic mass is 127.0746 Da.
How many compounds have the formula C5H9N3O?
CompoundList lists 302 compounds with the molecular formula C5H9N3O, including (2,5-Dimethyl-2H-1,2,3-triazol-4-yl)methanol, 1-(1-Methyl-1H-1,2,4-triazol-3-yl)ethan-1-ol, 4-(Methoxymethyl)-1-methyl-1H-1,2,3-triazole. 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 C5H9N3O?
C5H9N3O has a degree of unsaturation of 3. 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.