의약품 중간 물질

의약품 중간 물질 O 메틸시우레아 반sulfate 메틸시우레아 반sulfate 98% 52328 05 9

O-Methylisourea hemisulfate (Methylisourea hemisulfate), 98% CAS 52328-05-9 Chemical Intermediate Product Overview O-Methylisourea hemisulfate (CAS 52328-05-9), supplied as the hemisulfate salt for enhanced stability and ease of handling, is a high-purity guanidine derivative that functions as a versatile methylating agent and critical building block in heterocyclic synthesis. This white crystalline powder with a minimum assay of 98% is widely employed in pharmaceutical and

3,4 디메톡시벤즈알데히드 베라트르알데히드 99% 화학 중간체 CAS 120 14 9

Introduction 3,4-Dimethoxybenzaldehyde (CAS 120-14-9), widely recognized as Veratraldehyde, is a high-purity aromatic aldehyde specifically optimized for use as a pharmaceutical intermediate. Supplied as a white to off-white crystalline powder with a minimum assay of 99%, it functions as a fundamental building block in the synthesis of several essential active pharmaceutical ingredients, notably including antihypertensive therapies and indole alkaloids. Its consistent quality