2-Hydroxymethylbenzoic acid, gamma-lactone
2-Hydroxymethylbenzoic acid, gamma-lactone, commonly known as phthalide, is a bicyclic organic compound characterized by a benzene ring fused to a five-membered lactone ring. It typically presents as a white to pale yellow crystalline solid and serves as the internal ester of 2-hydroxymethylbenzoic acid. This compound is valued for its stability and specific reactivity, particularly its
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![3-[(2-Mercapto-1-methylpropyl)thio]-2-butanol 3 2 Mercapto 1 Methylpropyl Thio 2 Butanol 54957 02 7 Structure](https://kieraychem.com/wp-content/uploads/2026/10/3---2-Mercapto-1-methylpropyl-thio--2-butanol-54957-02-7-structure.webp)









