Substance

ID:183532

2-Nitrophenyl β-D-galactopyranoside

Names and Identifiers
IUPAC name
(2R,3R,4S,5R,6S)-2-(hydroxymethyl)-6-(2-nitrophenoxy)oxane-3,4,5-triol
IUPAC Traditional name
(2R,3R,4S,5R,6S)-2-(hydroxymethyl)-6-(2-nitrophenoxy)oxane-3,4,5-triol
Synonyms
o-Nitrophenyl β-D-galactopyranosideONPG2-Nitrophenyl β-D-galactopyranoside
Registration numbers
EC Number
CAS Number
Beilstein Number
MDL Number
PubChem SID
Properties
Safety Information
Personal Protective Equipment
Eyeshields, Gloves, type N95 (US), type P1 (EN143) respirator filter
German water hazard class
3
Storage Temperature
-20°C
Product Information
Purity
≥98% (enzymatic)
Molecule Details
包装
1 g in poly tube
250 mg in poly bottle
5, 25 g in poly bottle
500 mg in poly tube
Substrates
Chromogenic substrate for β-galactosidase
Application
2-Nitrophenyl β-D-galactopyranoside is an enzyme substrate used to detect lacZ activity and hence the presence of β-galactosidase.
Biochem/physiol Actions
β-galactosidase, breaks down lactose into galactose and glucose. β-Galactosidase is not lactose specific and can act on simple galactosides. 2-Nitrophenyl β-D-galactopyranoside hydrolysis results in the release of galactose and a yellow chromogenic compound. The test substrate does not depend on an induced or constitutive permease enzyme to enter the cell, therefore reactions are rapid and occur within a 24-hour period.
Molecular Spectra
No Data Available
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References
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