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Key Documents

N2509

Sigma-Aldrich

2-Nitrophenyl 1-thio-β-D-galactopyranoside

for detection of lac mutants

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About This Item

Empirical Formula (Hill Notation):
C12H15NO7S
CAS Number:
Molecular Weight:
317.32
EC Number:
MDL number:
UNSPSC Code:
12352103
PubChem Substance ID:

grade

for molecular biology

form

powder

storage temp.

−20°C

SMILES string

OC[C@H]1O[C@@H](Sc2ccccc2[N+]([O-])=O)[C@H](O)[C@@H](O)[C@H]1O

InChI

1S/C12H15NO7S/c14-5-7-9(15)10(16)11(17)12(20-7)21-8-4-2-1-3-6(8)13(18)19/h1-4,7,9-12,14-17H,5H2/t7-,9+,10+,11-,12+/m1/s1

InChI key

SZAOZNVCHHBUDZ-RUXWNWLUSA-N

General description

2-Nitrophenyl 1-thio-β-D-galactopyranoside is an enzyme substrate used in the detection of lac- mutants.

Storage Class

13 - Non Combustible Solids

wgk_germany

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable


Certificates of Analysis (COA)

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Ausubel, F.M., et al.
Current Protocols in Molecular Biology, 1-1 (1998)
S Gharbi et al.
Biochimie, 68(10-11), 1159-1163 (1986-10-01)
Mutants altered in their expression of the hybrid pepN-lacZ gene have been selected for resistance to p-nitrophenyl-beta-D-thiogalactopyranoside (a bacteriostatic compound that enters the cells via lac permease). A unique mutation decreasing the level of pepN expression to 9% of that
D S Gregerson et al.
Journal of immunology (Baltimore, Md. : 1950), 163(2), 1073-1080 (1999-07-08)
Recent studies revealing active mechanisms of immune privilege in neural tissues have diminished the putative role of passive tolerance. To examine the significance of Ag localization in the retina on immune privilege, the immune responses of transgenic mice expressing high
M T Martins et al.
Applied and environmental microbiology, 58(9), 3095-3100 (1992-09-01)
A total of 449 Escherichia coli isolates in treated and raw water sources were submitted to DNA-DNA hybridization using seven different DNA probes to detect homology to sequences that code for Shiga-like toxins I and II; heat-stabile and heat-labile toxins

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