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You are here:Home » Biochemicals » Biochem-Molecular Biology » IPTG Dioxane Free (Isopropyl--D-thiogalactoside(galactopyranoside))

IPTG Dioxane Free (Isopropyl--D-thiogalactoside(galactopyranoside))


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IPTG is a carbohydrate used to induce b-galactosidase for the selection of recombinant plasmids. Used to select for lac Y mutants and to induce the lac operon in E. coli. IPTG will also induce the cellular content of lactose permease.
Catalog #I8500
SolubilityColorless, clear, complete
Identity (IR):
Conforms to structure
pH (5%):
Not Detected
Specific Rotation (C=1,H2O):
-29° to -35°
Melting Point:
109 -114.0°C
Water (KF):
Blue-White Assay:
Induces b-galactosidase in a pUC 18-containing strain.
Storage and Stability:
Powder is very stable at RT. Stable for 12 months after receipt. For long-term storage of reconstituted product, aliquot and store at -20°C. Further dilutions can be made in assay buffer.
CAS Number367-93-1
Molecular FormulaC9H18O5S
Molecular Weight238.31
Purity (HPLC)99%
FormWhite crystalline powder.
Important NoteThis product as supplied is intended for research use only, not for use in human, therapeutic or diagnostic applications without the expressed written authorization of United States Biological.
Alternate namesIsopropyl-?-D-thiogalactoside(galactopyranoside)

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