Tetrabromobisphenol S is a brominated bisphenol S derivative offered at a minimum purity of 95 % for laboratory and biochemical research. The compound has CAS number 39635-79-5, empirical formula C₁₂H₆Br₄O₄S, and a molar mass of 565,86 g/mol. It is Documented molar mass and purity support reproducible sample preparation and quantitative handling on the bench. The reagent is available from manufacturer Carl ROTH as part of its chemicals and biochemicals range for professional users. Consistent CAS and formula data on the pack facilitate inventory tracking and experimental records. Observe standard laboratory precautions during weighing and dissolution, and follow institutional guidelines for halogenated aromatic compounds in your workflow. This article is part of Organic building blocks & synthesis reagents, in Organic chemicals & synthesis reagents. Key features Assay: ≥ 95 % Colour: reported Form: reported CAS number: 39635-79-5 Pack sizes: 2 g, 5 g, 10 g, 25 g Purity: min. 95 % Empirical formula: C₁₂H₆Br₄O₄S Molar mass: 565,86 g/mol Storage temperature: +2 to +8 °C Technical Information Sheet: Safety Data Sheet: