Vitamin B6 4-(N-(Butanoic Acid-d6))-N-hydroxysuccinimide is deuterium labeled Vitamin B6 4-(N-Butanoic Acid)-N-hydroxysuccinimide (V675630),which is a useful synthetic intermediate and a related compound of thiamine(T344185).Thiamine or vitamin B1 is an essential nutrient required for carbohydrate metabolism and it is also involved in nerve function.