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For a copper-peptide complex, confirming both the peptide identity and the copper complexation is useful alongside HPLC purity data

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Key Properties Source: Standardized enzymatic hydrolysate of purified porcine brain proteins Active constituents: BDNF, GDNF, NGF, CNTF, and low-molecular-weight peptide fragments Molecular profile: Complex mixture of peptides 10,000 Da and free amino acids CAS Number: 12656-61-0 Synonyms: Cerebrolysin, FPF-1070, Cerebrolysinum Clinical status: Approved in 44+ countries