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Nitrophenylgalactosides

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Nitrophenylgalactosides molecular structure
Molecular structure

The Sigma-Aldrich catalog lists 5 grades and pack sizes of Nitrophenylgalactosides (CAS 28347-45-7). Pick the code you need and request a quote for price and lead time from Klar Chem.

CAS28347-45-7
Molecular formulaC12H15NO8
Molecular weight301.25 g/mol
IUPAC name(2R,3R,4S,5R,6S)-2-(hydroxymethyl)-6-(2-nitrophenoxy)oxane-3,4,5-triol
SynonymsNitrophenylgalactopyranosides · beta-D-Galactopyranoside, nitrophenyl · RefChem:389153 · 2-Nitrophenyl-beta-D-galactopyranoside · ONPG · o-Nitrophenyl beta-D-galactopyranoside
Safety & Hazards (GHS) Warning
Irritant Irritant
  • H335 May cause respiratory irritation

⚠️ For information only (source: EU CLP harmonised classification and ECHA notifications, via PubChem); not a substitute for the official Safety Data Sheet (SDS).

Catalog codes and grades

Brand Product / grade Code
Sigma O-NITROPHENYL B-D-GALACTOPYRANOSIDE N1127-1G
N1127-250MG
N1127-25G
N1127-500MG
N1127-5G
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