Molecular formula
C5H5N3O2
100 compounds have this formula on CompoundList.
- Molar mass
- 139.11g/mol
- Monoisotopic mass
- 142.0482Da
- Atoms
- 15
- Elements
- 4
- Rings plus double bonds
- 5
The formula C5H5N3O2 describes a molecule made of 5 carbon atoms, 5 hydrogen atoms, 3 nitrogen atoms and 2 oxygen atoms. 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 × 543.17%12.011 × 5 = 60.055 g/mol
- H Hydrogen × 53.62%1.008 × 5 = 5.040 g/mol
- N Nitrogen × 330.21%14.007 × 3 = 42.021 g/mol
- O Oxygen × 223.00%15.999 × 2 = 31.998 g/mol
Look up another formula
Compounds with the formula C5H5N3O2
Isomers we list, best known first. Open one to see its structure, properties, safety data and suppliers.
Showing 1 to 100 of 100 compounds
5-Formylcytosine
CAS 4425-59-6C5H5N3O2
3-Amino-2-pyrazinecarboxylic acid
CAS 5424-01-1C5H5N3O2
2-Amino-5-nitropyridine
CAS 4214-76-0C5H5N3O2
2-Pyrazinecarboxamide, 3,4-dihydro-3-oxo-
CAS 55321-99-8C5H5N3O2
3-Nitropyridin-2-ylamine
CAS 4214-75-9C5H5N3O2
4,5-Dihydro-5-oxo-2-pyrazinecarboxamide
CAS 13924-96-4C5H5N3O2
4-Aminopyrimidine-2-carboxylic acid
CAS 933703-11-8C5H5N3O2
4-Aminopyrimidine-5-carboxylic acid
CAS 20737-41-1C5H5N3O2
4-Amino-3-nitropyridine
CAS 1681-37-4C5H5N3O2
5-Aminopyrazine-2-carboxylic acid
CAS 40155-43-9C5H5N3O2
2-Aminopyrimidine-5-carboxylic acid
CAS 3167-50-8C5H5N3O2
2-Aminopyrimidine-4-carboxylic acid
CAS 2164-65-0C5H5N3O2
6-Aminopyrazine-2-carboxylic acid
CAS 61442-38-4C5H5N3O2
2-Nitropyridin-3-amine
CAS 13269-19-7C5H5N3O2
2-Amino-4-nitropyridine
CAS 4487-50-7C5H5N3O2
6-Aminopyridazine-3-carboxylic acid
CAS 59772-58-6C5H5N3O2
5-Aminopyrimidine-4-carboxylic acid
CAS 59950-53-7C5H5N3O2
6-Oxo-1,6-dihydropyridazine-3-carboxamide
CAS 60184-73-8C5H5N3O2
Methyl 1,2,3-triazine-5-carboxylate
CAS 150017-40-6C5H5N3O2
1-Ethenyl-4-nitro-1H-pyrazole
CAS 117451-93-1C5H5N3O2
6-Oxo-1,6-dihydropyridazine-4-carboxamide
CAS 1935196-90-9C5H5N3O2
Methyl 1,2,3-triazine-4-carboxylate
CAS 150017-41-7C5H5N3O2
4-Nitroaminopyridine
CAS 26482-55-3C5H5N3O2
2-Oxo-1,2-dihydro-4-pyrimidinecarbaldehyde oxime
CAS 7460-56-2C5H5N3O2
- 2-Nitraminopyridine26482-54-2C5H5N3O2
- 2-Oxo-1,2-dihydropyrimidine-4-carboxamide1823869-72-2C5H5N3O2
- 6-Hydroxypyrimidine-4-carboxamide98024-63-6C5H5N3O2
- 3,4-Dihydro-4-oxo-5-pyrimidinecarboxamide4786-53-2C5H5N3O2
- Pyrazinecarbohydroxamic acid768-06-9C5H5N3O2
- 2 suppliers6-Nitro-2-pyridinamine14916-63-3C5H5N3O2
- 2 suppliers3-Amino-4-pyridazinecarboxylic acid21141-03-7C5H5N3O2
- 4-Amino-2-nitropyridine14916-64-4C5H5N3O2
- 1 suppliers5-Nitropyridin-3-amine934-59-8C5H5N3O2
- 2 suppliers6-Nitropyridin-3-amine14916-65-5C5H5N3O2
- 2-Pyrazinecarboxamide, 4-oxide768-36-5C5H5N3O2
- 6-Aminopyrimidine-4-carboxylic acid38214-46-9C5H5N3O2
- 3-Amino-4-nitropyridine13505-02-7C5H5N3O2
- 5-Aminopyridazine-4-carboxylic acid21579-37-3C5H5N3O2
- 3-Oxo-2,3-dihydropyridazine-4-carboxamide2125-92-0C5H5N3O2
- 1 suppliers4-Aminopyridazine-3-carboxylic acid20865-29-6C5H5N3O2
- 5-Aminopyrimidine-2-carboxylic Acid56621-98-8C5H5N3O2
- 2-Methyl-5-nitropyrimidine14080-34-3C5H5N3O2
- 2-Hydroxypyrimidine-5-carboxamide1233198-67-8C5H5N3O2
- 6-Aminopyridazine-4-carboxylic acid1242458-49-6C5H5N3O2
- 2-Amino-6-oxo-1,6-dihydropyrimidine-5-carbaldehyde1402401-43-7C5H5N3O2
- 5-Cyano-4,5-dihydro-1,2-oxazole-3-carboxamide1119442-06-6C5H5N3O2
- 2-(2-Nitrovinyl)-1H-imidazole948905-46-2C5H5N3O2
- 4-Nitro-1-vinyl-1H-imidazole499190-80-6C5H5N3O2
- N-Pyridin-3-ylnitramide15862-54-1C5H5N3O2
- 4-Methyl-5-nitropyrimidine99593-51-8C5H5N3O2
- 4-(2-Nitrovinyl)-1H-imidazole948905-48-4C5H5N3O2
- 6-Hydroxypyrazine-2-carboxamide15000-88-1C5H5N3O2
- 2-Cyano-2-diazonio-1-ethoxyethen-1-olate65950-84-7C5H5N3O2
- 3-Ethenyl-5-nitro-1H-pyrazole2007081-85-6C5H5N3O2
- N-(4-Oxo-1,4-dihydropyrimidin-5-yl)formamide106289-05-8C5H5N3O2
- 4-Formyl-1H-pyrazole-3-carboxamide84999-41-7C5H5N3O2
- 4-Amino-6-oxo-1H-pyrimidine-5-carbaldehyde1004956-63-1C5H5N3O2
- Methyl 1,2,4-triazine-3-carboxylate16721-40-7C5H5N3O2
- 2-Pyrimidinylcarbamic acid90811-22-6C5H5N3O2
- N-Hydroxypyrimidine-4-carboxamide131346-22-0C5H5N3O2
- 3-Ethenyltriazole-4-carboxylic acid2470437-71-7C5H5N3O2
- 3-Methyl-1,3,5-triazabicyclo[3.2.0]hept-6-ene-2,4-dione373367-46-5C5H5N3O2
- N-(2-Hydroxypyrimidin-5-yl)formamide52767-98-3C5H5N3O2
- 4-(Nitromethyl)pyrimidine35624-52-3C5H5N3O2
- 2-(2,5-Dioxoimidazolidin-1-yl)acetonitrile1016787-64-6C5H5N3O2
- 2-(1,3,5-Triazin-2-yl)acetic acid1368493-85-9C5H5N3O2
- 3-(1H-1,2,4-Triazol-3-yl)prop-2-enoic acid1564005-34-0C5H5N3O2
- 4-(Prop-2-yn-1-yl)-1,2,4-triazolidine-3,5-dione1696088-59-1C5H5N3O2
- 6-Hydroxy-pyrimidine-4-carbaldehyde oxime1370442-07-1C5H5N3O2
- 1-Ethenyl-3-nitro-1H-pyrazole2322212-30-4C5H5N3O2
- 1-Ethenyl-5-nitro-1H-imidazole508235-09-4C5H5N3O2
- 3-Diazonio-4-oxo-1,4,5,6-tetrahydropyridin-2-olate111337-42-9C5H5N3O2
- 2-(Nitromethyl)pyrimidine2228427-99-2C5H5N3O2
- 5-Methyl-2-oxoimidazole-4-carboxamide129015-14-1C5H5N3O2
- 2,4-Dioxohexahydropyrimidine-5-carbonitrile1425335-32-5C5H5N3O2
- 5-Methyl-1,2,4-triazine-6-carboxylic acid1509466-61-8C5H5N3O2
- 5-Aminopyridazine-3-carboxylic acid1502600-08-9C5H5N3O2
- n-Hydroxypyrimidine-5-carboxamide1334232-44-8C5H5N3O2
- N-Hydroxypyridazine-4-carboxamide96054-52-3C5H5N3O2
- 2-(1H-1,2,4-Triazol-3-yl)prop-2-enoic acid2228714-90-5C5H5N3O2
- 3-Ethenyl-4-nitro-1H-pyrazole2228791-78-2C5H5N3O2
- Pyrazinecarboxamide, 1-oxide32046-08-5C5H5N3O2
- 6-Oxo-5,6-dihydropyridazine-3-carboxamide99979-75-6C5H5N3O2
- 3-Diazonio-6-oxo-1,4,5,6-tetrahydropyridin-2-olate138647-91-3C5H5N3O2
- 1,5,7-Triazatricyclo[3.3.0.0~2,4~]octane-6,8-dione31148-37-5C5H5N3O2
- 3-Oxo-3,4-dihydropyrazine-5,6-d2-2-carboxamide1476773-01-9C5H5N3O2
- 3-Methyl-1,2,4-triazine-6-carboxylic acid1368126-50-4C5H5N3O2
- 2-(1,2,4-Triazin-3-yl)acetic acid1368875-91-5C5H5N3O2
- (2E)-3-(1H-1,2,3-Triazol-4-yl)prop-2-enoic acid1562237-82-4C5H5N3O2
- 3-Oxocyclobutane-1-carbonyl azide1448310-28-8C5H5N3O2
- N-(6-Oxo-1,6-dihydropyrimidin-4-yl)formamide88550-50-9C5H5N3O2
- 2-(Nitromethyl)pyrazine2229008-18-6C5H5N3O2
- 3-(2-Nitroethenyl)-1H-pyrazole2229665-46-5C5H5N3O2
- 4-Ethenyl-3-nitro-1H-pyrazole2228425-17-8C5H5N3O2
- 5-(Nitromethyl)pyrimidine2228300-12-5C5H5N3O2
- 1-Ethenyl-5-nitro-1H-pyrazole2751615-15-1C5H5N3O2
- 4-(2-Nitroethenyl)-1H-pyrazole2149087-03-4C5H5N3O2
- 5-Hydroxypyrazinecarboxamide-13C32740385-19-5C5H5N3O2
- 6-Methyl-1,2,4-triazine-5-carboxylic acid1537529-91-1C5H5N3O2
- 1H-Pyrazole-3-carbonitrile, 4,5-dihydroxy-1-methyl-2091763-70-9C5H5N3O2
Frequently asked questions
What is the molar mass of C5H5N3O2?
The molar mass of C5H5N3O2 is 139.11 g/mol, calculated from standard atomic weights for 5 carbon atoms, 5 hydrogen atoms, 3 nitrogen atoms and 2 oxygen atoms. The monoisotopic mass is 142.0482 Da.
How many compounds have the formula C5H5N3O2?
CompoundList lists 100 compounds with the molecular formula C5H5N3O2, including 5-Formylcytosine, 3-Amino-2-pyrazinecarboxylic acid, 2-Amino-5-nitropyridine. 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 C5H5N3O2?
C5H5N3O2 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.