THE DROP PERSPECTIVE
The research glossary
Plain-language definitions of COA, SDS, lot traceability, identity, purity, and research-use terminology.
- Certificate of analysis (COA)
- A report of analytical information for the sample or lot identified in the document. Review the methods, results, units, and limitations.
- Safety data sheet (SDS)
- A structured hazard-communication document. Obtain the current version for the actual material and use it within laboratory safety procedures.
- Lot or batch
- An identifier used by a supplier to connect material with manufacturing or analytical records. Match it across the container and source documents.
- Identity
- The designation of what a material is. Similar names and packaging do not establish equivalent identity.
- Purity
- An attribute reported in the context of a specific analytical method and reporting basis; it does not answer every question about composition or suitability.
- Content
- A reported amount or proportion measured using a defined basis. Do not assume it is interchangeable with a chromatographic purity percentage.
- Lyophilized material
- A material presented after freeze-drying. A listed physical format alone does not establish composition, stability, or handling requirements.
- Research use only
- At Drop, exclusively in vitro and laboratory research; no human or veterinary administration, consumption, clinical use, or therapeutic guidance.
- Traceability
- The documented connection between material, its identifiers, source records, and laboratory assessment.
- Sample catalog
- An illustrative listing. Drop’s preview prices and pack sizes are not live offers; stock and supplier records are unverified.