Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number NDC00070-2343-00 found under Theophylline Extended Release Capsules Usp by Usv Pharmaceutical Corp. The National Stock Number assigned to this part is 6505012729388, 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 NDC00070-2343-00.