Molecular formula

C₅H₅ClN₄O

25 compounds have this formula on CompoundList.

Molar mass: 172.57g/mol
Monoisotopic mass: 174.0234Da
Atoms: 16
Elements: 5
Rings plus double bonds: 5

The formula C5H5ClN4O describes a molecule made of 5 carbon atoms, 5 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 × 534.80%
12.011 × 5 = 60.055 g/mol
H Hydrogen × 52.92%
1.008 × 5 = 5.040 g/mol
Cl Chlorine × 120.54%
35.45 × 1 = 35.450 g/mol
N Nitrogen × 432.47%
14.007 × 4 = 56.028 g/mol
O Oxygen × 19.27%
15.999 × 1 = 15.999 g/mol

Look up another formula

Compounds with the formula C5H5ClN4O

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

Showing 1 to 25 of 25 compounds

6-Amino-2-chloropyrimidine-4-carboxamide

CAS 500352-09-0C₅H₅ClN₄O

5-Chloropyrazine-2-carboxylic acid hydrazide

CAS 848952-83-0C₅H₅ClN₄O

N-(4-Amino-6-chloropyrimidin-5-yl)formamide

CAS 7501-32-8C₅H₅ClN₄O

5-Amino-2-chloropyrimidine-4-carboxamide

CAS 189747-29-3C₅H₅ClN₄O

3-Amino-6-chloropyrazine-2-carboxamide

CAS 1125-56-0C₅H₅ClN₄O

4-Amino-6-chloropyrimidine-5-carboxamide

CAS 1351930-54-5C₅H₅ClN₄O

4-Amino-2-chloropyrimidine-5-carboxamide

CAS 98027-38-4C₅H₅ClN₄O

2,4-Diamino-6-chloropyrimidine-5-carbaldehyde

CAS 18740-20-0C₅H₅ClN₄O

(Z)-3-Chloro-N'-hydroxypyrazine-2-carboximidamide

CAS 175203-31-3C₅H₅ClN₄O

2-Pyrimidinecarboxylic acid, 5-chloro-, hydrazide

CAS 87362-29-6C₅H₅ClN₄O

1H-Pyrazolo[3,4-d]pyrimidin-4(5H)-one hydrochloride

CAS 14806-02-1C₅H₅ClN₄O

3-(5-Chloro-3-oxo-2,3-dihydro-1H-1,2,4-triazol-1-yl)propanenitrile

CAS 61739-22-8C₅H₅ClN₄O

N-(6-Chloropyridazin-3-yl)-N'-hydroxyiminoformamide

CAS 51519-15-4C₅H₅ClN₄O

4-Amino-6-chloropyridazine-3-carboxamide

CAS 2763157-94-2C₅H₅ClN₄O

(Z)-3-Chloro-N'-hydroxypyrazine

C₅H₅ClN₄O

2-Amino-5-chloropyrimidine-4-carboxamide

CAS 902139-67-7C₅H₅ClN₄O

6-Chloropyrimidine-4-carbohydrazide

CAS 943314-10-1C₅H₅ClN₄O

6-Chloro-5,7a-dihydro-1H-pyrazolo[3,4-d]pyrimidin-4(3aH)-one

CAS 1823870-37-6C₅H₅ClN₄O

3-Chloro-N'-hydroxypyrazine-2-carboximidamide

C₅H₅ClN₄O

7H,8H-[1,2,4]Triazolo[4,3-a]pyrazin-8-one hydrochloride

CAS 2768327-45-1C₅H₅ClN₄O

2-Chloropyrimidine-4-carbohydrazide

CAS 1378857-75-0C₅H₅ClN₄O

Hypoxanthine monohydrochloride, [8-3H]

CAS 100694-13-1C₅H₅ClN₄O

5-Chloro-N-hydroxypyrimidine-2-carboximidamide

CAS 1799816-09-3C₅H₅ClN₄O

3-Amino-5-chloropyrazine-2-carboxamide

CAS 1823889-69-5C₅H₅ClN₄O

1,2-Dihydro-3H-pyrazolo[3,4-b]pyrazin-3-one hydrochloride
3017242-17-7C₅H₅ClN₄O

Frequently asked questions

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What is the molar mass of C5H5ClN4O?

The molar mass of C5H5ClN4O is 172.57 g/mol, calculated from standard atomic weights for 5 carbon atoms, 5 hydrogen atoms, 1 chlorine atom, 4 nitrogen atoms and 1 oxygen atom. The monoisotopic mass is 174.0234 Da.

How many compounds have the formula C5H5ClN4O?

CompoundList lists 25 compounds with the molecular formula C5H5ClN4O, including 6-Amino-2-chloropyrimidine-4-carboxamide, 5-Chloropyrazine-2-carboxylic acid hydrazide, N-(4-Amino-6-chloropyrimidin-5-yl)formamide. 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 C5H5ClN4O?

C5H5ClN4O 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.