COA & Purity Science

Skip-lot testing is a formally recognised practice in which a specified test is performed only on pre-selected batches or at

Peptide retention samples are the physical material a manufacturer holds back from a batch so that the same batch can

A peptide TSE risk assessment is a documentary control, not an analytical one. No certificate of analysis, however complete its

Supplier change control is the machinery pharmaceutical quality systems use to guarantee that when anything about a manufacturing arrangement changes,

A certificate of analysis on a finished research peptide reports what survived purification. It says nothing about the protected amino

Peptide batch to batch comparability is the question of whether two lots carrying the same name and the same purity

Visible particulate inspection is a probabilistic screen, not a guarantee, and for a lyophilized peptide vial it is weaker than

Sterilizing grade filtration is the step that removes bacteria from a peptide solution immediately before it enters the vial, and

Pharmaceutical water quality is the single largest uncontrolled variable behind a research peptide certificate of analysis. A peptide COA reports

Peptide aseptic processing is the set of environmental and procedural controls that determine whether a filled vial is sterile, and