(2-Nitrophenyl)-β-D-galactopyranoside (ONPG)

Synonyms: ONPGo-Nitrophenyl-β-D-galactosideO-Nitrophenyl-Β-D-Galactopyranoside
0789-25G 0789-5G
97062-372 97062-374
(2-Nitrophenyl)-β-D-galactopyranoside (ONPG)
(2-Nitrophenyl) β-D-galactopyranoside
Chromogenic substrate for the detection of beta-Galactosidase. Commonly used in ELISA. Read at 410 nm.

Formula: C₁₂H₁₅NO₈
MW: 301.25 g/mol
Melting Pt: 185…190 °C
Storage Temperature: Freezer
MDL Number: MFCD00063255
CAS Number: 369-07-3
EINECS: 206-716-1
Specification Test Results
Solubility (1%, Water) pass
Specific Rotation 185 °C - 190 °C