(2R)-Glycerol-O-β-D-galactopyranoside  (Synonyms: 3-O-β-D-Galactopyranosyl-sn-glycerol)

(2R)-Glycerol-O-β-D-galactopyranoside (3-O-β-D-Galactopyranosyl-sn-glycerol) is a good substrate for all three components of the lac operon, i.e. β-galactosidase, the lactose transporter and thiogalactoside transacetylase^[1].

254.23

C₉H₁₈O₈

16232-91-0

Oil

Colorless to light yellow

O[C@@H]1[C@H]([C@H]([C@H](O[C@H]1OC[C@@H](CO)O)CO)O)O

Room temperature in continental US; may vary elsewhere.

-20°C, sealed storage, away from moisture

*In solvent : -80°C, 6 months; -20°C, 1 month (sealed storage, away from moisture)

* Please refer to the solubility information to select the appropriate solvent. Once prepared, please aliquot and store the solution to prevent product inactivation from repeated freeze-thaw cycles.
Storage method and period of stock solution: -80°C, 6 months; -20°C, 1 month (sealed storage, away from moisture). When stored at -80°C, please use it within 6 months. When stored at -20°C, please use it within 1 month.

* Note: If you choose water as the stock solution, please dilute it to the working solution, then filter and sterilize it with a 0.22 μm filter before use.

• [1]. [10] Synthesis of (2R)-glycerol-o-β-d-galactopyranoside by β-galactosidase, Methods in Enzymology, Academic Press, Volume 89, 1982, Pages 59-64, ISSN 0076-6879, ISBN 9780121819897.