Calibration plots confirmed the model was well calibrated in the test set (Extended Data Fig
Structure MOL SDF PDB SMILES InChI View Structure Structure for L-carnitine (PAMDB110763) Synonyms: -trimethyl-hydroxybutyrobetaine 3-hydroxy-4-trimethylammoniobutanoate R-(-)-3-hydroxy-4-trimethylaminobutyrate vitamin B T bicarnesine ( R )-carnitine -L-trimethyl--hydroxybutyrobetaine vitamin Bt 3-carboxy-2-hydroxy-N,N,N-trimethyl-1-propanaminium Chemical Formula: C 7 H 15 NO 3 Average Molecular Weight: 161.2 Monoisotopic Molecular Weight: 162.1130183851 InChI Key: PHIQHXFUZVPYII-ZCFIWIBFSA-N InChI: InChI=1S/C7H15NO3/c1-8(2,3)5-6(9)4-7(10)11/h6,9H,4-5H2,1-3H3/t6-/m1/s1 CAS number: Not Available IUPAC Name: (3 R )-3-hydroxy-4-(trimethylammonio)butanoate Traditional IUPAC Name: Not Available SMILES: C(C(O)CC(=O)[O-])[N+](C)(C)C Chemical Taxonomy Taxonomy Description This compound belongs to the class of organic compounds known as carnitines

Composition BPC-157: 10 mg Appearance: Lyophilized powder in a sealed research vial Research Focus (non-clinical) Peptide identity and purity assessment via HPLC/LC-MS Assay development and calibration for quantitative analysis Chromatographic method optimization for impurity profiling Stability characterization of a lyophilized peptide under laboratory storage conditions Documentation Lot-specific COA available (HPLC/LC-MS) Batch and lot traceability Important Notice For research use only Not for human consumption Not intended to diagnose, treat, cure, or prevent any disease Quality & Manufacturing Lot-specific COA (HPLC/LC-MS) with verification key Third-party verification link provided per lot (Janoshik) Lyophilized for transit stability
4 Likes RapAdmin April 15, 2026, 12:53am #7 You are right Molecular Weight & Copper Fraction Analysis The premise is correct