Levothyroxine at a glance
| Property | Value |
|---|
| Molar mass | 776.856 g/mol |
|---|
| Molecular weight | 776.856 u |
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| Chemical formula | C15H11I4NO4 |
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| Monoisotopic mass | 776.686695 u |
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| CAS number | 51-48-9 |
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| PubChem CID | 5819 |
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How to calculate the molar mass of levothyroxine
15 × 12.011 + 11 × 1.008 + 4 × 126.9 + 1 × 14.007 + 4 × 15.999 = 776.856 g/mol
- Count the atoms in C15H11I4NO4: C 15, H 11, I 4, N 1, O 4.
- Multiply each atom count by the atomic weight of the element.
- Add the results to get 776.856 g/mol.
Elemental composition of levothyroxine
| Element | Atoms | Atomic weight | Mass (g/mol) | Mass % |
|---|
| C Carbon | 15 | 12.011 | 180.165 | 23.192% |
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| H Hydrogen | 11 | 1.008 | 11.088 | 1.4273% |
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| I Iodine | 4 | 126.9 | 507.6 | 65.34% |
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| N Nitrogen | 1 | 14.007 | 14.007 | 1.803% |
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| O Oxygen | 4 | 15.999 | 63.996 | 8.2378% |
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Grams and moles of levothyroxine
| Amount | Equals |
|---|
| 1 g | 0.0012872 mol |
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| 10 g | 0.012872 mol |
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| 100 g | 0.12872 mol |
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| 0.1 mol | 77.686 g |
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| 1 mol | 776.86 g |
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| 1 g, in particles | 7.7519 × 10^20 |
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