What is Aspirin chemically?

Acetyl Salicylic acid

The correct answer is Option (3) → Acetyl Salicylic acid

Aspirin is formed by acetylation of salicylic acid. When the –OH group of salicylic acid is acetylated, it forms acetyl salicylic acid.

Aspirin is chemically known as 4. Acetyl Salicylic acid (C6H8O4). It is a nonsteroidal anti inflammatory drug (NSAID) produced by the acetylation of salicylic acid. It is also referred to as 2-acetoxybenzoic acid and is commonly used for pain relief, fever reduction, and inflammation management.

Option 1: Salicylic acid - This is the starting compound used to make aspirin. It is not aspirin itself.

Option 2: Ethyl Salicylic acid - This is an ester of salicylic acid. Not aspirin.

Option 3: Methyl Salicylic acid-  Also an ester (oil of wintergreen). Not aspirin.

Option 4: Acetyl Salicylic acid - Formed when salicylic acid reacts with acetic anhydride. This is aspirin.