PR1MA IPTG [Isopropyl-β-D-thiogalactopyranoside],

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PR1MA™ IPTG [Isopropyl-β-D-thiogalactopyranoside], Dioxane Free

Common Name: Isopropyl-β-D-thiogalactopyranoside
CAS Number: 367-93-1
Molecular Weight: 238.3
Chemical Formula: C₉H₁₈O₅S
Solubility: Water, ethanol
Storage Temperature: 2-8°C

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.


Dioxane-Free
Water Content: <0.49%

Research or further manufacturing use only, not for food or drug use.

• Appearance: White Crystalline Powder
• Assay (HPLC): 98.0 - 101.0 %
• Purity (HPLC): ≥ 99.0 %
• 1,4-Dioxane: Not Detected
• Absorbance @300nm (5% w/v sol in H₂O): ≤ 0.13
• Absorbance @400nm (5% w/v solution in H₂O): ≤ 0.06
• Identification: IR Concordant with Standard
• Melting Range: 110 - 114 °C
• Moisture Content (KF): ≤ 1.0 %
• pH (5% in water): 5.0 - 7.0
• Solubility: Soluble in Water and Methanol
• Specific Optical Rotation: -34.5 - -28.5 ^o
• BSE/TSE Free: BSE/TSE Free
• Non Animal Origin: Non Animal Origin
• Country of Origin : Report