Skip to Content
Merck
All Photos(3)

Key Documents

A9545

Sigma-Aldrich

4-Aminophenyl β-D-galactopyranoside

≥98% (TLC), β-galactosidase substrate

Sign Into View Organizational & Contract Pricing


About This Item

Empirical Formula (Hill Notation):
C12H17NO6
CAS Number:
Molecular Weight:
271.27
MDL number:
UNSPSC Code:
12352201
PubChem Substance ID:
NACRES:
NA.25

Quality Level

Assay

≥98% (TLC)

form

powder

optical activity

[α]/D -42.00 to -34.00°, c = 9.00-11.00 mg/mL in water

technique(s)

thin layer chromatography (TLC): suitable

color

white to yellow cast

solubility

water: 49.00-51.00 mg/mL, clear, colorless to yellow

storage temp.

−20°C

SMILES string

Nc1ccc(OC2OC(CO)C(O)C(O)C2O)cc1

InChI

1S/C12H17NO6/c13-6-1-3-7(4-2-6)18-12-11(17)10(16)9(15)8(5-14)19-12/h1-4,8-12,14-17H,5,13H2

InChI key

MIAKOEWBCMPCQR-UHFFFAOYSA-N

Looking for similar products? Visit Product Comparison Guide

Application

4-Aminophenyl β-D-galactopyranoside (PAPG, 4-APG) is used as a substrate for the development of β-galactosidase(s) (GUS)-dependent assay systems via the formation of an electroactive product. It may be used to create affinity matricies for the capture or purification of β-galactosidase(s).

Other Notes

To gain a comprehensive understanding of our extensive range of Monosaccharides for your research, we encourage you to visit our Carbohydrates Category page.

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

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

Already Own This Product?

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

Visit the Document Library

Nan Li et al.
Analytical chemistry, 85(20), 9699-9704 (2013-08-29)
Cancer is a major global health challenge that would benefit from advances in screening methods for early detection that are rapid and low cost. TF-antigen is a tumor-associated antigen displayed on cell surface proteins of a high percentage of human
D M Belen'kiĭ et al.
Biokhimiia (Moscow, Russia), 48(5), 851-856 (1983-05-01)
The antibodies were prepared from antisera of rabbits immunized with bovine serum albumin containing covalently bound p-aminophenyl-beta-D-galactopyranoside (APG) and purified by affinity chromatography on APG-containing ovalbumin immobilized by BrCN-activated Sepharose 4B. The antibodies possessed a selective specificity for APG and
Eva Baldrich et al.
Analytical chemistry, 83(6), 2097-2103 (2011-02-18)
n-Acyl homoserine lactones (AHLs) are produced by gram-negative bacteria to regulate gene expression in a cell density dependent manner. For instance, expression of virulence factors by pathogens such as Pseudomonas aeruginosa is induced only when a threshold concentration of AHLs
Sebastian Buchinger et al.
Analytica chimica acta, 659(1-2), 122-128 (2010-01-28)
Electrochemical signal detection can be readily integrated in biosensors and is thus an attractive alternative to optical detection methods. In the field of environmental chemistry and ecotoxicology there is a growing demand for lab-independent devices based on whole cell biosensors
Olivier Laczka et al.
Analytica chimica acta, 641(1-2), 1-6 (2009-04-28)
Here a novel electrochemical method for the rapid detection of anti-HIV antibodies in serum is presented. The novelty lies in the combination of allosteric enzymes and coulometry to yield a fast, simple and reliable HIV diagnostic method. We have used

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