Procaine Penicillin is a specialized antibiotic form. Buyers must ensure the product complies with international pharmacopoeia standards such as USP (United States Pharmacopeia), BP (British Pharmacopeia), or EP (European Pharmacopoeia). Key technical parameters include potency (measured in Units/mg), moisture content (typically <4.2%), and particle size distribution, which is critical for the stability of injectable suspensions. Always request a Certificate of Analysis (COA) for every batch to verify these metrics.