Technical Data
I8500
IPTG Dioxane Free (Isopropyl--D-thiogalactoside(galactopyranoside))
1g
5g
10g
100g
250g
500g
Biochemicals Storage: -20CShipping: RT
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.

Solubility:
Colorless, clear, complete
Identity (IR):
Conforms to structure
pH (5%):
5.0-7.0
Dioxane:
Not Detected
Specific Rotation (C=1,H2O):
-29 to -35
Melting Point:
109 -114.0C
Water (KF):
1.0%
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. For long-term storage of reconstituted product, aliquot and store at -20C. Aliquots are stable for 6 months at -20C. Further dilutions can be made in assay buffer.

CAS Number:
367-93-1

Molecular Formula:
C9H18O5S

Molecular Weight:
238.31
Purity (HPLC): 99%
Form: White crystalline powder.

Important Note: This 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.
US Biological application reference: 1. Alag, R. et al., (2010) Protein Science 19; 15771586. 2. Norgaard, P. & Winther, J.R., Biochem J. 358: 269274 (2001). 3. Dennis, A.M., et al., Bioconjugate Chem. June 22, epub (2010). 1. Maniatis, et al., Molecular Cloning: A Laboratory Manual, Cold Spring Harbor Laboratory Press, Cold Spring Harbor, N. Y., 2nd Ed., 4: 22-8.57 (1987).

Intended for research use only. Not for use in human, therapeutic, or diagnostic applications.