Azithromycin at a glance
| Property | Value |
|---|
| Molar mass | 748.996 g/mol |
|---|
| Molecular weight | 748.996 u |
|---|
| Chemical formula | C38H72N2O12 |
|---|
| Monoisotopic mass | 748.508526 u |
|---|
| CAS number | 83905-01-5 |
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| PubChem CID | 447043 |
|---|
How to calculate the molar mass of azithromycin
38 × 12.011 + 72 × 1.008 + 2 × 14.007 + 12 × 15.999 = 748.996 g/mol
- Count the atoms in C38H72N2O12: C 38, H 72, N 2, O 12.
- Multiply each atom count by the atomic weight of the element.
- Add the results to get 748.996 g/mol.
Elemental composition of azithromycin
| Element | Atoms | Atomic weight | Mass (g/mol) | Mass % |
|---|
| C Carbon | 38 | 12.011 | 456.418 | 60.937% |
|---|
| H Hydrogen | 72 | 1.008 | 72.576 | 9.6898% |
|---|
| N Nitrogen | 2 | 14.007 | 28.014 | 3.7402% |
|---|
| O Oxygen | 12 | 15.999 | 191.988 | 25.633% |
|---|
Grams and moles of azithromycin
| Amount | Equals |
|---|
| 1 g | 0.0013351 mol |
|---|
| 10 g | 0.013351 mol |
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| 100 g | 0.13351 mol |
|---|
| 0.1 mol | 74.9 g |
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| 1 mol | 749 g |
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| 1 g, in particles | 8.0403 × 10^20 |
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Calculate other compounds