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Ultra-high-purity Melatonin (99.9% by HPLC/UV, pharmaceutical grade) Verified structure: N-acetyl-5-methoxytryptamine (C13H16N2O2) Crystalline powder or lyophilized formulation for maximum stability Full Certificate of Analysis (COA) with HPLC, NMR, mass spectrometry, and endotoxin testing Manufactured in GMP-aligned, ISO-compliant facilities Suitable for circadian biology, ROS/RNS scavenging assays, and mitochondrial function studies Research-Referenced Attributes (Based on scientific literature

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