Skip to Content
Merck
All Photos(1)

Documents

73660

Sigma-Aldrich

2-Nitrophenyl β-D-galactopyranoside

≥99.0% (HPLC)

Synonym(s):

o-Nitrophenyl β-D-galactopyranoside, ONPG

Sign Into View Organizational & Contract Pricing


About This Item

Empirical Formula (Hill Notation):
C12H15NO8
CAS Number:
Molecular Weight:
301.25
Beilstein:
92207
EC Number:
MDL number:
UNSPSC Code:
12352103
PubChem Substance ID:

grade

for molecular biology

Assay

≥99.0% (HPLC)

form

powder

optical activity

[α]20/D −70±1°, c = 1% in H2O

solubility

hot water: 0.2 g/10 mL, clear, slightly yellow to deep greenish-yellow

storage temp.

2-8°C

SMILES string

OC[C@H]1O[C@@H](Oc2ccccc2[N+]([O-])=O)[C@H](O)[C@@H](O)[C@H]1O

InChI

1S/C12H15NO8/c14-5-8-9(15)10(16)11(17)12(21-8)20-7-4-2-1-3-6(7)13(18)19/h1-4,8-12,14-17H,5H2/t8-,9+,10+,11-,12-/m1/s1

InChI key

KUWPCJHYPSUOFW-YBXAARCKSA-N

Looking for similar products? Visit Product Comparison Guide

Other Notes

Substrate for the determination of β-galactosidases

related product

Product No.
Description
Pricing

Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Choose from one of the most recent versions:

Certificates of Analysis (COA)

Lot/Batch Number

Don't see the Right Version?

If you require a particular version, you can look up a specific certificate by the Lot or Batch number.

Already Own This Product?

Find documentation for the products that you have recently purchased in the Document Library.

Visit the Document Library

H. Jagota et al.
Journal of Food Science, 46, 161-161 (1981)
Jesus M Eraso et al.
Journal of bacteriology, 190(14), 4831-4848 (2008-05-20)
The PrrBA two-component regulatory system is a major global regulator in Rhodobacter sphaeroides 2.4.1. Here we have compared the transcriptome and proteome profiles of the wild-type (WT) and mutant PrrA2 cells grown anaerobically in the dark with dimethyl sulfoxide as
Amy H Camp et al.
Genes & development, 23(8), 1014-1024 (2009-04-25)
Spore formation by Bacillus subtilis takes place in a sporangium consisting of two chambers, the forespore and the mother cell, which are linked by pathways of intercellular communication. One pathway, which couples the activation of the forespore transcription factor sigma(G)
Gabriela N Tenea
BioMed research international, 2020, 6152356-6152356 (2020-10-22)
Protecting foods from contamination applying peptides produced by lactic acid bacteria is a promising strategy to increase the food quality and safety. Interacting with the pathogen membranes might produce visible changes in shape or cell wall damage. Previously, we showed
Gabriela N Tenea et al.
Foods (Basel, Switzerland), 9(9) (2020-09-10)
A novel Weissella cibaria strain UTNGt21O from the fruit of the Solanum quitoense (naranjilla) shrub produces a peptide that inhibits the growth of both Salmonella enterica subsp. enterica ATCC51741 and Escherichia coli ATCC25922 at different stages. A total of 31

Our team of scientists has experience in all areas of research including Life Science, Material Science, Chemical Synthesis, Chromatography, Analytical and many others.

Contact Technical Service