PNPG； 4-Nitrophenyl α-D-galacto?pyran?oside CAS 7493-95-0
CAS No.： 7493-95-0
Item No.： E0105
Store at： -20℃
Item No.： E0105
Store at： -20℃
English name：PNPG； 4-Nitrophenyl α-D-galacto?pyran?oside；p-Nitrophenyl α-D-galacto-pyran-oside
Other name: 4-nitrophenyl- α- D-galactopyranoside
C12H15NO8=301.25
Grade：BioChemika
Content：≥99.0%
Specific rotation：+243±5°（C=1 in H2O）
Water content：≤10.0%
Free p-nitrophenol：≤0.01%
Physicochemical properties: White or light yellow powder，melting point:166～169 °C，it is soluble in methanol：100mg/ml
Purpose: Biochemical research.Substrate of α-D-Galactosidase.Binding to lactose protein vector of Escherichia coli.
