Sulfonic acids are commonly used as catalysts in organic reactions.

Tannic acids are commonly found in plants such as tea leaves and oak bark.

Tartaric acids are commonly used in the food and beverage industry.

Teichuronic acids are important components of bacterial cell walls.

Tetracarboxylic acids are commonly used in organic synthesis.

Tetraric acids are commonly found in certain types of plants.

Thioacetic acids are commonly used in organic synthesis.

Thiocarboxylic acids are commonly used in organic synthesis.

Thioic acids are commonly used in organic synthesis.

Thionic acids are commonly used in organic chemistry.