X-Gal and IPTG Solution


Product Description

Stable X-gal/IPTG non-toxic solution for use in blue/white colony screening in expression studies. It does not contain the toxic DMF and DMSO. The solution contains 40mg/ml of IPTG (Isopropyl-β-D-Thiogalactopyranoside) and 40mg/ml of X-gal (5-Bromo-4-Chloro-3-Indolyl-β-D-Galactopyranoside). It is supplied in two very easy and convenient to use format: i. Dropper Bottle (cat# 21530077) ii. Spray Bottle (cat# 21530101).


1. Dropper bottle     

i. Drop (2-3 drops) on desired bacterial plate

ii. Spread and ensure absorption (wait ~5-10 minutes) and 

iii. Plate the transformed bacteria to be tested and incubate



  • Ready to use solution
  • Easy as well as convenient to use.
  • Does not contain DMSO or DMF


Stability: Stable for 6 months at 4°C

This product is sold for laboratory research use only.

Technical Specifications