Write the IUPAC name of the compound
` CH_3 - underset(OH) underset(|) CH - CH_2 - COOH `

Explanation

To determine the IUPAC name of the compound `CH3 - OH | CH - CH2 - COOH`, we will follow these steps:

### Step 1: Identify the Functional Groups
The compound contains two functional groups:
- A hydroxyl group (-OH), which indicates that it is an alcohol.
- A carboxylic acid group (-COOH), which is the most oxidized functional group.

### Step 2: Determine the Longest Carbon Chain
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