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CAS 7331-52-4 — S)-(-)-3-Hydroxy-gamma-butyrolactone

(S)-(-)-3-Hydroxy-gamma-butyrolactone is a chiral lactone used as an intermediate in pharmaceutical synthesis, flavor and fragrance production, and as a building block for biologically active compounds. It is a white to off-white crystalline solid with a mild odor, known for its role in creating chiral molecules with high enantiomeric purity. CAS 7331-52-4, molecular formula C4H6O3, molecular weight 102.09 g/mol, melting point 36–38°C, and optical rotation [-42 to -46]° (c 5, H2O). Non-hazardous under normal conditions with no signal word classification. Molekula supplies (S)-(-)-3-Hydroxy-gamma-butyrolactone from research to bulk quantities with full documentation and ISO 9001:2015 traceability.