CAS number 369-07-3
Molecular weight C12H15NO8 = 301.3
Assay > 90 %

ONPG is a colorimetric and spectrophotometric substrate for detection of ß-galactosidase activity. ONPG is cleaved by ß-galactosidase via hydrolysis at the ß-1-4-glycosidic bond be-tween 2-nitrophenol and galactose. The released 2-nitro-p-henol is measured spectrophotometrically at 405 nm. The absorbance intensity at this wave-length is directly related to the specific activity.

Storage condition

  • Store dry at 2-8 °C
  • Soluble in water, DMSO and DMF
  • Protect from light and moisture
Filename Language File size
O1409_GB.pdf English 139 KB
O1409_NL.pdf Nederlands 143 KB
O1409_DE.pdf Deutsch 147 KB
O1409_FR.pdf Français 143 KB
O1409_ES.pdf Español 144 KB
O1409_IT.pdf Italiano 142 KB
Filename Batch number Expiry date Language
O1409_016023_GB.pdf 016023 11-2024 English
O1409_014841_GB.pdf 014841 07-2024 English
Login if your Certificate of Analysis is not listed here.
  • O1409.0005
  • 5 g
  • € 33.30
  • Order
  • O1409.0025
  • 25 g
  • € 127.30
  • Order
* All prices are ex-works Haarlem NL. Salestax, local prices and availability may vary in your region/country. Please contact our sales department or read our terms of sales.