X-Gal (5-bromo-4-chloro-3-indolyl-ß-D-galactopyranoside) ≥98.0%

Supplier: VWR Chemicals

437132JEA 103 EUR
437132J
X-Gal (5-bromo-4-chloro-3-indolyl-ß-D-galactopyranoside) ≥98.0%
X-Gal (5-bromo-4-chloro-3-indolyl-ß-D-galactopyranoside)

X-Gal is a chromogenic substrate for ß-Galactosidase that forms an intense blue precipitate. Used in conjunction with IPTG in a colorimetric assay, X-Gal allows differentiation of recombinants from non recombinants in cloning experiments with vectors containing the lacZ gene. It is also used in microbiology to detect microorganisms which have ß-Galactosidase activity.

Formula: C₁₄H₁₅BrClNO₆
MW: 408,63 g/mol
Melting Pt: 237…239 °C
Storage Temperature: Freezer
MDL Number: MFCD00005666
CAS Number: 7240-90-6

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Specification Test Results

Assay Min. 98.0 %
Identification Passes test
Appearance White crystalline powder
Spec.opt. rotation (1 %;DMF/water 50/50) 60.0 - 64.0 °
Water Max. 1 %

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