Description

Used in conjunction with IPTG to identify bacterial colonies that contain recombinant plasmids by blue/white selection. X-Gal forms an intense blue precipitate in the presence of β-Galactosidase. Insoluble. Reaction Condition: Stocks: X-Gal 20 mg/ml in DMF; IPTG 20 mg/ml in water. Mix 4:1 (X-Gal/IPTG) for spreading onto agar plates prior to plating transformed bacteria.

ULTRA PURE GRADE

Molecular Formula: C₁₄H₁₅BrClNO₆

Molecular Weight: 408.64

CAS: [7240-90-6]

Blank (A620; 0.1%, PO4, pH 7.3)…………………………………………………………≤0.01

Identification (P/F)………………………………………………………………………PASS

Purity (Enzymatic) (%)……………………………………………………………………≥99

Solubility (2%, DMF) (P/F)…………………………………………………………………PASS

Specific Rotation (0.1%, 50% DMF) (degrees)………………………………………-64--56

RISK……………………………………………………………………………………………N/A

SAFETY…………………………………………………………………………………………N/A

5-溴-4-氯-3-吲哚-β-D-半乳糖苷 X-GAL（超纯级）订购信息