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A  β-galactosidase substrate
Catalog #: B1802

In stock

SKU-Size Size Price Qty
B1802-5 5 mg
B1802-25 25 mg

Product Details

Alternate Name 6-O-(beta-D-Galactopyranosyl)luciferin
Appearance White solid with yellow orange tinge
CAS # 131474-38-9
Molecular Formula C₁₇H₁₈N₂O₈S₂
Molecular Weight 442.46
Purity ≥98%
Solubility DMSO (~ 50 mg/ml)
InChi InChI=1S/C17H18N2O8S2/c20-4-9-11(21)12(22)13(23)17(27-9)26-6-1-2-7-10(3-6)29-15(18-7)14-19-8(5-28-14)16(24)25/h1-3,8-9,11-13,17,20-23H,4-5H2,(H,24,25)/t8-,9-,11+,12+,13-,17-/m1/s1
PubChem CID 193947
MDL Number MFCD09038345
Handling Protect from air and light
Storage Conditions -20°C
Shipping Conditions Gel Pack
USAGE For Research Use Only! Not For Use in Humans.


Luciferin-β-galactoside is a substrate for the commonly used reporter enzyme β-galactosidase. The substrate is cleaved by β-galactosidase to form luciferin and galactose. When used in a model system expressing firefly luciferase, the luciferin is then utilized in a firefly luciferase reaction to generate light.

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