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Molar mass of Aspirin (acetylsalicylic acid)

The molecular formula of Aspirin (acetylsalicylic acid) is C9H8O4, giving a molar mass of 180.159 g/mol.

Molar mass
180.159g/mol

Computed from the formula with the IUPAC conventional atomic weights (abridged, 2021 edition).

Formula
C9H8O4
Category
Common Drugs
Atoms per molecule
21

Aspirin (acetylsalicylic acid) conversions

Mass ↔ amount and solution conversions derived from the stored molar mass of 180.159 g/mol.

1 mmol
180.159mg
1 g
5.5507mmol
1 M
180.159g/L

About Aspirin (acetylsalicylic acid)

The first synthetic drug to be commercialised, and the archetypal irreversible inhibitor: it acetylates cyclooxygenase-1. Its antiplatelet effect lasts the platelet's lifetime, which is why low-dose aspirin prevents clots.

Related compounds

Other entries in Common Drugs.

Aspirin (acetylsalicylic acid) — FAQ