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CAS 328-38-1 — L-Leucine

D-Leucine is a naturally occurring amino acid and essential building block for protein synthesis, widely used in sports nutrition, pharmaceuticals, and biochemical research. It supports muscle growth, metabolic function, and is a key component in peptide synthesis. CAS 328-38-1, molecular formula C6H13NO2, molecular weight 131.17 g/mol. Stored at ambient conditions with no signal word required. Molekula supplies D-Leucine from research to bulk quantities with full documentation and ISO 9001:2015 traceability.