APEX X-Gal, Biotechnology Grade, 1g/Unit

Apex X-Gal, a chromogenic substrate for β-galactosidase, is manufactured under the industry's most stringent quality control procedures to ensure lot-to-lot consistency for reproducible results in your laboratory. The compound, with the chemical formula C14H15BrClNO6 and a molecular weight of 408.6, turns blue upon hydrolysis, making it commonly used for blue/white screening of recombinants when using vectors that support alpha complementation of β-galactosidase.

Apex X-Gal (5-Bromo-4-chloro-3-indolyl-β-D-galactopyranoside) is highly pure, with a purity of over 99% as determined by HPLC analysis. Its structure has been confirmed using 1H-NMR spectroscopy. To ensure the integrity of the product, it should be stored at 4°C, protected from light and humidity. For long-term storage, the compound should be kept at -20°C.

The product is identified by the CAS Registry Number [7240-90-6], further confirming its high purity and quality. This versatile reagent is an essential tool for researchers working with β-galactosidase-based reporter systems, enabling efficient and reliable blue/white colony screening in various molecular biology applications.

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