Cytosine at a glance
| Property | Value |
|---|
| Molar mass | 111.104 g/mol |
|---|
| Molecular weight | 111.104 u |
|---|
| Chemical formula | C4H5N3O |
|---|
| Monoisotopic mass | 111.043262 u |
|---|
| CAS number | 71-30-7 |
|---|
| PubChem CID | 597 |
|---|
How to calculate the molar mass of cytosine
4 × 12.011 + 5 × 1.008 + 3 × 14.007 + 1 × 15.999 = 111.104 g/mol
- Count the atoms in C4H5N3O: C 4, H 5, N 3, O 1.
- Multiply each atom count by the atomic weight of the element.
- Add the results to get 111.104 g/mol.
Elemental composition of cytosine
| Element | Atoms | Atomic weight | Mass (g/mol) | Mass % |
|---|
| C Carbon | 4 | 12.011 | 48.044 | 43.242% |
|---|
| H Hydrogen | 5 | 1.008 | 5.04 | 4.5363% |
|---|
| N Nitrogen | 3 | 14.007 | 42.021 | 37.821% |
|---|
| O Oxygen | 1 | 15.999 | 15.999 | 14.4% |
|---|
Grams and moles of cytosine
| Amount | Equals |
|---|
| 1 g | 0.0090006 mol |
|---|
| 10 g | 0.090006 mol |
|---|
| 100 g | 0.90006 mol |
|---|
| 0.1 mol | 11.11 g |
|---|
| 1 mol | 111.1 g |
|---|
| 1 g, in particles | 5.4203 × 10^21 |
|---|
Calculate other compounds