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.