CAS 7493-95-0
:p-Nitrophenyl α-D-galactopyranoside
Description:
p-Nitrophenyl α-D-galactopyranoside is a synthetic compound commonly used as a substrate in biochemical assays, particularly for the detection of galactosidase enzymes. It features a galactopyranoside moiety linked to a p-nitrophenyl group, which serves as a chromogenic indicator. Upon hydrolysis by galactosidase, the compound releases p-nitrophenol, resulting in a color change that can be quantitatively measured. This compound is typically a white to pale yellow crystalline solid, soluble in water and organic solvents like ethanol. Its molecular structure includes a six-membered pyranose ring, characteristic of sugars, and the nitrophenyl group, which imparts specific optical properties. The compound is stable under standard laboratory conditions but should be handled with care due to the potential toxicity of p-nitrophenol. p-Nitrophenyl α-D-galactopyranoside is widely utilized in research and diagnostic applications, particularly in microbiology and enzyme kinetics, due to its ability to provide a simple and effective means of measuring enzyme activity.
Formula:C12H15NO8
InChI:InChI=1/C12H15NO8/c14-5-8-9(15)10(16)11(17)12(21-8)20-7-3-1-6(2-4-7)13(18)19/h1-4,8-12,14-17H,5H2/t8-,9+,10+,11-,12+/m1/s1
InChI key:InChIKey=IFBHRQDFSNCLOZ-IIRVCBMXSA-N
SMILES:O([C@@H]1[C@H](O)[C@@H](O)[C@@H](O)[C@@H](CO)O1)C2=CC=C(N(=O)=O)C=C2
Synonyms:- .alpha.-D-Galactopyranoside, 4-nitrophenyl
- 231-343-6
- 4-Nitrophenyl α-<span class="text-smallcaps">D</span>-galactopyranoside
- 4-Nitrophenyl α-<span class="text-smallcaps">D</span>-galactoside
- 4-nitrophenyl alpha-D-galactopyranoside
- Galactopyranoside, p-nitrophenyl, α-<span class="text-smallcaps">D</span>-
- NSC 89286
- p-Nitrophenyl .alpha.-D-galactopyranoside
- p-Nitrophenyl α-<span class="text-smallcaps">D</span>-galactopyranoside
- p-Nitrophenyl α-<span class="text-smallcaps">D</span>-galactoside
- p-Nitrophenyl α-galactopyranoside
- p-Nitrophenyl α-galactoside
- α-<span class="text-smallcaps">D</span>-Galactopyranoside, 4-nitrophenyl
- p-Nitrophenyl α-D-galactopyranoside
- α-D-Galactopyranoside, 4-nitrophenyl
- 4-Nitrophenylα-D-Galactopyranoside
- Galactopyranoside, p-nitrophenyl, α-D-
- p-Nitrophenyl α-D-galactoside
- 4-Nitrophenyl α-D-galactopyranoside
- Gal1-α-PNP
- PNP ALPHA-D-GALACTOPYRANOSIDE
- p-Nitrophenyl--D-galactoyranoside
- 4-Nitrophenyl-ɑ-D-galactopyranoside, 98+%
- NITROPHENYL-A-D-GALACTOPYRANOSIDE, 4-
- P-Nitrophenyl-Alpha-D-GalactopyranosideA.R.
- PNPG
- GAL1-A-PNP
- oside
- PNP-ALPHA-GAL
- 4’-nitrophenyl-b-D-galactopyranoside
- pyran­
- P-NITROPHENYL ALPHA-D-GALACTOSIDE
- P-NITROPHENYL-ALPHA-D-GALACTOYRANOSIDE
- PNP-ALPHA-D-GAL
- See more synonyms
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Found 12 products.
4-Nitrophenyl α-D-galactopyranoside
CAS:(2R,3R,4S,5R,6R)-2-(Hydroxymethyl)-6-(4-nitrophenoxy)tetrahydro-2H-pyran-3,4,5-triolFormula:C12H15NO8Purity:97%Molecular weight:301.254-Nitrophenyl α-D-Galactopyranoside [Substrate for α-D-Galactosidase]
CAS:Formula:C12H15NO8Purity:>98.0%(HPLC)Color and Shape:White to Orange to Green powder to crystalMolecular weight:301.254-Nitrophenyl-α-D-galactopyranoside, 98+%
CAS:This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo SciFormula:C12H15NO8Purity:98+%Color and Shape:White to cream, Crystals or powder or crystalline powderMolecular weight:301.254-Nitrophenyl α-D-galactopyranoside
CAS:4-Nitrophenyl α-D-galactopyranosideFormula:C12H15NO8Purity:98%Color and Shape:Solid-PowderMolecular weight:301.249394-Nitrophenyl a-D-galactopyranoside
CAS:Formula:C12H15NO8Purity:98%Color and Shape:SolidMolecular weight:301.24944-Nitrophenyl α-D-galactopyranoside
CAS:4-Nitrophenyl α-D-galactopyranosideFormula:C12H15NO8Purity:≥98%Molecular weight:301.254-Nitrophenyl a-D-galactopyranoside
CAS:Formula:C12H15NO8Purity:≥ 98.0%Color and Shape:White, off-white or pale yellow powderMolecular weight:301.264-Nitrophenyl α-D-galactopyranoside
CAS:4-Nitrophenyl α-D-galactopyranoside (PNP-alpha-D-Gal) (PNP-alpha-D-Gal) is an artificial substrate of 4-nitrophenyl (pNP) glycopyranoside for detecting α-Formula:C12H15NO8Purity:99.44%Color and Shape:SolidMolecular weight:301.25p-Nitrophenyl α-D-Galactopyranoside
CAS:Controlled ProductApplications p-Nitrophenyl α-D-Galactopyranoside (cas# 7493-95-0) is a compound useful in organic synthesis.
References Anisha, G., et al.: Proc. Biochem., 44, 327 (2009), Bergstroem, M., et al.: Chem. Biol. Drug Des., 73, 132 (2009), Liu, Q., et al.: J. Biol. Chem., 283, 8545 (2008),Formula:C12H15NO8Color and Shape:NeatMolecular weight:301.254-Nitrophenyl-alpha-D-galactopyranoside
CAS:Chromogenic substrate yielding a soluble chromophore for the colorimetric assay of α-D-galactosidase upon cleavage. Used for the detection of hydrolases in tissues and membranes.Formula:C12H15NO8Purity:Min. 99.0 Area-%Molecular weight:301.26 g/molp-Nitrophenyl a-D-Galactopyranoside extrapure, 98%
CAS:Formula:C12H15NO8Purity:min. 98%Color and Shape:White to off-white, Crystalline powderMolecular weight:301.25p-Nitrophenyl-Ä-D-galactoyranoside
CAS:M02730 - p-Nitrophenyl-Ä-D-galactoyranoside
Formula:C12H15NO8Purity:97%Color and Shape:SolidMolecular weight:301.251
![4-Nitrophenyl α-D-Galactopyranoside [Substrate for α-D-Galactosidase]](/_next/image/?url=https%3A%2Fstatic.cymitquimica.com%2Fproducts%2F3B%2Fthumb%2FN0492.jpg&w=3840&q=75)
