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By Amresco

Storage Condition: FROZEN

CAS Number: 367-93-1

Molecular Weight: 238.31

Molecular Formula: C9H18O5S

Risk Statements: 36/37/38

Safety Statements: 36/37/39

Hazard Code: irritant

Dioxane free. Commonly used inducer for beta-Galactosidase activity in many bacterial gene sequences controlled by the lac operon. IPTG and X-Gal are often used together to identify bacterial colonies containing recombinant plasmid DNA. Insoluble. Reaction Condition: Stocks: X-Gal 20 mg/mL in DMF; IPTG 20 mg/mL in water. Mix 4:1 (X-Gal/IPTG) for spreading onto agar plates prior to plating transformed bacteria.

Abs. @ 300nm (5%, Water) 0.13
Abs. @ 400nm (5%, Water) 0.06
Dioxane (P/F) None
Identification (IR) (P/F) Pass
Melting Point 110 - 114°C
Moisture (KF) 1.0%
pH (5%, Water) @ 25°C 5 - 7
Purity 99.0%
Solubility (5%, Water) (P/F) Pass
Specific Rotation (1%, Water) -34.0 - -29.0°

Cat.No. Size Grade EA    
1328-0487-1G 1g Ultra Pure $37.70
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1328-0487-10G 10g Ultra Pure $292.50
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1328-0487-100G 100g Ultra Pure $1285.60
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