X-beta-Gal is a BioScience-Grade chromogenic substrate supplied at a minimum purity of 99 % for molecular biology and genetic-engineering applications. The compound has the empirical formula C₁₄H₁₅BrClNO₆, a molar mass of 408,6 g/mol, CAS number 7240-90-6 and EG number 230-640-8. It is widely used in blue-white screening and related reporter assays where β-galactosidase activity is visualised through colour development. Categories linked to the product include genetic engineering and reagents employed in virus detection and related research contexts. X-beta-Gal from manufacturer Carl ROTH is positioned for laboratories that require a defined high-purity grade for reproducible bioscience protocols. The solid reagent supports standard molecular cloning and screening procedures when prepared according to established laboratory methods. Clear identity data (CAS, EG number and formula) facilitate documentation in regulated or fully traceable research environments. This article is part of Biochemicals (other), in Biochemicals & reagents. Key features Appearance: white to off-white powder Assay (HPLC): ≥99 % Specific rotation [α]20D (c=1 in DMF/H2O 1:1): -62° ±2° Water (KF): ≤0.2 % DNases, RNases, Protease: none detected CAS number: 7240-90-6 Pack sizes: 100 mg, 500 mg, 1 g, 5 g, 2.5 g EG nr.: 230-640-8 Purity: min. 99 %, BioScience-Grade Empirical formula: C₁₄H₁₅BrClNO₆ Molar mass: 408,6 g/mol Technical Information Sheet: Safety Data Sheet:
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