can't read?
Isovaleraldehyde is a small organic compound, also known as 3-methylbutanal, with the formula (CH3)2CHCH2CHO. It is an aldehyde, a colorless liquid at STP, and found in low concentrations in many types of food.
I 1710 (OTTO) Isovaleraldehyde, 98% Cas 590-86-3 - used are as an artificial flavor additive and in perfumes.