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Molecular formula

C5H3ClN4O

28 compounds have this formula on CompoundList.

Molar mass
170.56g/mol
Monoisotopic mass
169.9995Da
Atoms
14
Elements
5
Rings plus double bonds
6

The formula C5H3ClN4O describes a molecule made of 5 carbon atoms, 3 hydrogen atoms, 1 chlorine atom, 4 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 × 535.21%
    12.011 × 5 = 60.055 g/mol
  • H Hydrogen × 31.77%
    1.008 × 3 = 3.024 g/mol
  • Cl Chlorine × 120.78%
    35.45 × 1 = 35.450 g/mol
  • N Nitrogen × 432.85%
    14.007 × 4 = 56.028 g/mol
  • O Oxygen × 19.38%
    15.999 × 1 = 15.999 g/mol
Look up another formula

Compounds with the formula C5H3ClN4O

Isomers we list, best known first. Open one to see its structure, properties, safety data and suppliers.

Showing 1 to 28 of 28 compounds

6-Chloro-2H,3H-[1,2,4]triazolo[4,3-b]pyridazin-3-one chemical structure, C5H3ClN4O, CAS 33050-32-7
6-Chloro-2H,3H-[1,2,4]triazolo[4,3-b]pyridazin-3-one
CAS 33050-32-7C5H3ClN4O
6-Chloro-1H,4H,7H-pyrazolo(3,4-d)pyrimidin-4-one chemical structure, C5H3ClN4O, CAS 42754-97-2
6-Chloro-1H,4H,7H-pyrazolo(3,4-d)pyrimidin-4-one
CAS 42754-97-2C5H3ClN4O
6-Chloro-8,9-dihydro-7H-purin-8-one chemical structure, C5H3ClN4O, CAS 37527-48-3
6-Chloro-8,9-dihydro-7H-purin-8-one
CAS 37527-48-3C5H3ClN4O
5-Chloro-2H,3H-(1,2,4)triazolo(4,3-a)pyrazin-3-one chemical structure, C5H3ClN4O, CAS 1421601-17-3
5-Chloro-2H,3H-(1,2,4)triazolo(4,3-a)pyrazin-3-one
CAS 1421601-17-3C5H3ClN4O
6-Chloro-4H,7H-(1,2,4)triazolo(1,5-a)pyrimidin-7-one chemical structure, C5H3ClN4O, CAS 1378849-61-6
6-Chloro-4H,7H-(1,2,4)triazolo(1,5-a)pyrimidin-7-one
CAS 1378849-61-6C5H3ClN4O
2-Chlorohypoxanthine chemical structure, C5H3ClN4O, CAS 13368-14-4
2-Chlorohypoxanthine
CAS 13368-14-4C5H3ClN4O
7-Chloro-5,6-dihydroimidazo[4,5-d]pyridazin-4-one chemical structure, C5H3ClN4O, CAS 28683-00-3
7-Chloro-5,6-dihydroimidazo[4,5-d]pyridazin-4-one
CAS 28683-00-3C5H3ClN4O
2-Chloro-7,9-dihydro-8H-purin-8-one chemical structure, C5H3ClN4O, CAS 20190-11-8
2-Chloro-7,9-dihydro-8H-purin-8-one
CAS 20190-11-8C5H3ClN4O
5-Chloro-1,3-dihydro-2H-imidazo(4,5-b)pyrazin-2-one chemical structure, C5H3ClN4O, CAS 33386-23-1
5-Chloro-1,3-dihydro-2H-imidazo(4,5-b)pyrazin-2-one
CAS 33386-23-1C5H3ClN4O
8-Chlorohypoxanthine chemical structure, C5H3ClN4O, CAS 22712-29-4
8-Chlorohypoxanthine
CAS 22712-29-4C5H3ClN4O
2-Amino-4-chloro-6-oxo-1,6-dihydropyrimidine-5-carbonitrile chemical structure, C5H3ClN4O, CAS 85840-23-9
2-Amino-4-chloro-6-oxo-1,6-dihydropyrimidine-5-carbonitrile
CAS 85840-23-9C5H3ClN4O
7-Chloro(1,2,4)triazolo(1,5-c)pyrimidin-5(6H)-one chemical structure, C5H3ClN4O, CAS 883738-15-6
7-Chloro(1,2,4)triazolo(1,5-c)pyrimidin-5(6H)-one
CAS 883738-15-6C5H3ClN4O
6-Chloro-1H-pyrazolo[3,4-D]pyrimidin-3(2H)-one chemical structure, C5H3ClN4O, CAS 1384265-61-5
6-Chloro-1H-pyrazolo[3,4-D]pyrimidin-3(2H)-one
CAS 1384265-61-5C5H3ClN4O
8-Chloro-[1,2,4]triazolo[4,3-a]pyrazin-3-ol chemical structure, C5H3ClN4O, CAS 1340429-63-1
8-Chloro-[1,2,4]triazolo[4,3-a]pyrazin-3-ol
CAS 1340429-63-1C5H3ClN4O
Pyridine, 2-azido-6-chloro-, 1-oxide chemical structure, C5H3ClN4O, CAS 827342-88-1
Pyridine, 2-azido-6-chloro-, 1-oxide
CAS 827342-88-1C5H3ClN4O
6-Chloro-1H-purin-2(3H)-one chemical structure, C5H3ClN4O, CAS 1146697-79-1
6-Chloro-1H-purin-2(3H)-one
CAS 1146697-79-1C5H3ClN4O
Pyridine, 2-azido-5-chloro-, 1-oxide chemical structure, C5H3ClN4O, CAS 57097-36-6
Pyridine, 2-azido-5-chloro-, 1-oxide
CAS 57097-36-6C5H3ClN4O
6-Chloropurine 3-oxide chemical structure, C5H3ClN4O, CAS 19765-60-7
6-Chloropurine 3-oxide
CAS 19765-60-7C5H3ClN4O
7-Chloro-s-triazolopyrimidine-5(1H)-one chemical structure, C5H3ClN4O, CAS 40775-81-3
7-Chloro-s-triazolopyrimidine-5(1H)-one
CAS 40775-81-3C5H3ClN4O
1-Chloroimidazo[1,5-d][1,2,4]triazin-4(3H)-one chemical structure, C5H3ClN4O, CAS 2913572-43-5
1-Chloroimidazo[1,5-d][1,2,4]triazin-4(3H)-one
CAS 2913572-43-5C5H3ClN4O
3-Chloro-1,6-dihydro-7H-pyrazolo[4,3-D]pyrimidin-7-one chemical structure, C5H3ClN4O, CAS 2973762-41-1
3-Chloro-1,6-dihydro-7H-pyrazolo[4,3-D]pyrimidin-7-one
CAS 2973762-41-1C5H3ClN4O
N-Chloro-4-cyano-1H-imidazole-5-carboxamide chemical structure, C5H3ClN4O, CAS 64040-54-6
N-Chloro-4-cyano-1H-imidazole-5-carboxamide
CAS 64040-54-6C5H3ClN4O
7-Chloro-[1,2,4]triazolo[4,3-a]pyrimidin-3(2H)-one chemical structure, C5H3ClN4O, CAS 1020037-45-9
7-Chloro-[1,2,4]triazolo[4,3-a]pyrimidin-3(2H)-one
CAS 1020037-45-9C5H3ClN4O
6-Chloro-1H,2H,3H-pyrazolo[4,3-c]pyridazin-3-one chemical structure, C5H3ClN4O, CAS 2866354-07-4
6-Chloro-1H,2H,3H-pyrazolo[4,3-c]pyridazin-3-one
CAS 2866354-07-4C5H3ClN4O

Frequently asked questions

What is the molar mass of C5H3ClN4O?

The molar mass of C5H3ClN4O is 170.56 g/mol, calculated from standard atomic weights for 5 carbon atoms, 3 hydrogen atoms, 1 chlorine atom, 4 nitrogen atoms and 1 oxygen atom. The monoisotopic mass is 169.9995 Da.

How many compounds have the formula C5H3ClN4O?

CompoundList lists 28 compounds with the molecular formula C5H3ClN4O, including 6-Chloro-2H,3H-[1,2,4]triazolo[4,3-b]pyridazin-3-one, 6-Chloro-1H,4H,7H-pyrazolo(3,4-d)pyrimidin-4-one, 6-Chloro-8,9-dihydro-7H-purin-8-one. 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 C5H3ClN4O?

C5H3ClN4O has a degree of unsaturation of 6. 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.