Usp Reference Standard Current Lot. The online usp referencestar dardscataiog and the online uspstore at www uso oreare updated daily. Usp reference standards are specified for use in conducting official usp nf tests and assays.
We also provide publicly available official documentary standards for pharmaceutical ingredients in the usp nf that link directly with our primary. Use in official usp nf tests and assays. An important change not included in below tables.
Usp certificates and valid use dates for previous lots view.
As long as a lot is listed as being the current lot it is valid and suitable for use. Use in official usp nf tests and assays. With the exception of usp prednisone tablets rs catalog 1559505 current lots of usp reference standards do not have valid use dates expiration dates. Purchase heparin sodium identification reference standard 50 mg usp 1304038.
