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Chemical Structure & Specifications Synonyms: Retatrutide, LY-3437943 CAS No.: 2381089-83-2 Molecular formula (free base): C 221 H 342 N 46 O 68 Molecular weight: 4731.3 g/mol Class: ~39-residue synthetic peptide
Last reviewed: June 7, 2026 Read article Price list 10 min read Research Peptide Pricing Comparison A catalog-focused pricing comparison for research peptide records, built around public price, offered size, molecule class, category, checkout path, shipping, returns, and RUO boundaries
Intramuscular injection near an injury site (a common self-administration approach) adds a theoretical local concentration benefit that has some support in animal wound models but has not been tested head-to-head against subcutaneous delivery in a controlled trial
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