Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number Q-TUSSIN CHERRY 4OZ SYRUP found under Guaifenesin Syrup U by Par Pharmaceutical Inc. The National Stock Number assigned to this part is 6505000648765, and the Federal Supply Class is . Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like Q-TUSSIN CHERRY 4OZ SYRUP.