Product namepNPG, beta-Galactosidase substrate
- 4-Nitrophenyl galactoside
Chromogenic β-galactosidase substrate yielding a yellow end product upon cleavage.
Storage instructionsStore at -20°C. Store under desiccating conditions. The product can be stored for up to 12 months.
Wherever possible, you should prepare and use solutions on the same day. However, if you need to make up stock solutions in advance, we recommend that you store the solution as aliquots in tightly sealed vials at -20°C. Generally, these will be useable for up to one month. Before use, and prior to opening the vial we recommend that you allow your product to equilibrate to room temperature for at least 1 hour.
Need more advice on solubility, usage and handling? Please visit our frequently asked questions (FAQ) page for more details.
This product has been referenced in:
- Yamada M et al. New alkalophilic ß-galactosidase with high activity in alkaline pH region from Teratosphaeria acidotherma AIU BGA-1. J Biosci Bioeng 123:15-19 (2017). Read more (PubMed: 27514907) »
- Isobe K et al. Characterization of new ß-galactosidase from acidophilic fungus, Teratosphaeria acidotherma AIU BGA-1. J Biosci Bioeng 116:293-7 (2013). Read more (PubMed: 23623895) »