品名:x-Gal
品牌:INALCO
货号:1758-0300
Inalco code 1758-0300
C.A.S. R.N. [7240-90-6]
Applicati*** Substrate for β-Galactosidase that is converted, by the enzyme, into an intense indigo-blue chromophore (615 nm). It has various applicati***. It is used in bacterial detection systems; in gene fusion studies where β-Galactosidase is the marker, or to identify natural lac gene carrying bacteria (e.g. general coliforms). It is also used in histochemistry.
Formula C14H15BrClNO6
Molecular Weight 408.6
Appearance White or almost white powder
Purity (HPLC) ≥ 99%
Specific Rotation [α]20D -62º &plu***n; 2 (c=1 in ***/H2O 1:1)
Water Content (K.F.) ≤ 1%
Solubility Clear (2% in ***)
1H-NMR Conforming to the structure
Storage Store at 4º C; protect from light and humidity.
For long term storage: -20º C.
Toxicity Toxicity unknown; ***oid exposure