PubChem chemical information
Compound, substance and bioassay information; review the provenance and context of individual values.
Reference link checked: 18 September 2026Pharmacy work guide
Pharmaceutical data & informatics
Coding, terminology and data provenance
All fieldsStart with your task
- Check field definitions, coding systems and versions before linking datasets.
- Retain provenance, licensing and matching limits; similar names do not establish product equivalence.
Selected original references
RxNorm drug terminology
Normalised drug names and vocabulary links for data exchange; coding does not establish interchangeability.
Reference link checked: 18 September 2026IMDRF medical device documents
Medical device regulatory convergence documents, with final and archived material distinguished.
Reference link checked: 18 September 2026ATC/DDD classification index
Drug classification and utilisation reference; the defined daily dose is a statistical unit, not a patient’s prescribed dose.
Reference link checked: 18 September 2026This page guides access to sources; it is not a review of all their documents. Check version, jurisdiction and document status. A link-check date is not a document publication date.
From source to practice
Prepare your scientific review with clear steps
16 guides across quality, manufacture, registration, safety and research, with scope, source versions and saveable working checklists.