X-Gal and IPTG, Ready to Use Non-Toxic Solution

  • CAS:7240-90-6, 367-93-1
  • Formula:C14H15BrClNO6 / C9H18O5S
  • MW:408.6 Da / 238.3 Da
  • Appearance:Clear yellow solution
  • Purity:≥99%




Starting at $66.63

Product Name Qty
X-GAL and IPTG Ready to Use Non-Toxic Solution
10 ml
X-GAL and IPTG Ready to Use Non-Toxic Solution
100 ml
X-GAL and IPTG Ready to Use Non-Toxic Solution
500 ml

Stable solution of X-GAL and IPTG. Does not contain DMSO or DMF. Solution concentration is 10mg/ml X-Gal and 8mg/ml IPTG.

IPTG is combined with X-GAL to detect lac+ colonies or cells in a colorimetric assay. Distinguishes recombinants (white) from non- recombinants (blue) in cloning strategies using vectors such as Lambda-11, M13mp 18 and 19, pUC18 and 19, pUR222 containing the lacZ gene.


X-Gal Product specification IPTG product specification 
  • Synonyms: 5-Bromo-4-chloro-3-indolyl-β-D-galactoside
  • Molecular formula: C14H15BrClNO6
  • Molecular weight: 408.6
  • CAS # 7240-90-6
  • Purity: >99% 
  • Water Content: 0.05%
  • Soluble in: DMSO and DMF
  • Store at: 0-5°C
  • Synonyms:   Isopropyl-β-D-thio-galactopyranoside
  • Molecular formula:C9H18O5S
  • Molecular Weight:  238.3
  • CAS #  238.3
  • Purity: >99%
  • Water Content: <0.49%
  • Soluble in: Ethanol and Water
  • Store at: 0-5°C




Handling Ensure adequate ventilation, especially in confined areas. Use personal protective equipment as required. Use with local exhaust ventilation. Do not breathe dust/fume/gas/mist/vapors/spray. Handle in accordance with good industrial hygiene and safety practice. Corrosive hazard. Wear protective gloves/clothing and eye/face protection. Thermal decomposition can lead to release of toxic/corrosive gases and vapors.
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