ONPG Briefing
CAS No.: 369-07-3
C12H15NO8=301.25
Level: ultra pure grade
Content: ≥ 99.0%
Specific rotation: – 72 ~ – 68 °
Solubility (1%, Water):Pass
pH:6.8~7.6
Melting point: 185-190 ºC
Loss on drying (105 ºC, 3hr): < 0.5%
Heavy metal: < 0.0005%
Properties: white or almost white crystalline powder. Soluble in water, the solubility in water can reach 15 mg / ml. Hygroscopicity
Purpose: biochemical research. It is used to detect the activity of β – galactosidase and is the chromogenic substrate of β – galactosidase. The yellow product can be produced by β – galactosidase catalysis, and the absorbance can be detected at 410-420nm
Preservation: − 20 ° C
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