Evaluating pharmaceutical ingredient documentation

The documentation package

For a routine ingredient enquiry the expected set is: the governing specification, a batch Certificate of Analysis, a Safety Data Sheet at the correct revision, and where relevant a flow chart of manufacture, residual solvent statement, elemental impurity assessment, stability summary, and declarations covering origin, allergens or TSE/BSE status.

Read for traceability first

Every result must connect to a batch, a method and a date. If a Certificate of Analysis does not carry a batch number, a manufacturing or retest date, the specification version, and the name of the authorising person or function, it is a marketing sheet rather than release evidence.

Check internal consistency

Compare the COA against the specification line by line. Tests present in the specification but absent from the COA need an explanation. Results reported as complies without a method reference should be queried. Numeric results that sit exactly at the limit on every batch, or identical values across different batches, warrant scrutiny.

Distinguish document types

A specification defines requirements. A Certificate of Analysis reports batch results. A Certificate of Conformance asserts compliance without data. A Safety Data Sheet communicates hazards for handling and transport. None of them substitutes for another, and none of them is a regulatory approval.

Verify the entity named on the document

Confirm the legal entity that issued the document, whether it is the manufacturer or a distributor, and whether the site named is the site of manufacture. Documents naming a different company, or carrying template placeholders, must not be treated as evidence about your supplier.

Establish a verification status

Practical document control assigns each record a state: verified, pending verification, expired, belonging to another entity, reference only, or not suitable for publication. Recording that state prevents an unverified file from quietly becoming a claim.