p-Nitrophenyl beta-D-galactopyranoside

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10g

£92.00

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CAS :	3150-24-1
Synonyms :	p-Nitrophenyl β-D-galactopyranoside; 4-Nitrophenyl beta-D-galactopyranoside; p-Nitrophenyl beta-D-galactoside; PNPG; PNP beta-D-galactopyranoside
Product Code :	38045
Chemical Formula :	C₁₂H₁₅NO₈
Molecular Weight :	301.30
Solubility :	Soluble in water at a concentration of 1%
MDL Number :	MFCD00063256
Description	Chromogenic substrate used for the detection of beta-galactosidase activity, giving a yellow solution upon hydrolysis. The substrate can be used to detect the presence of coliforms as the enzyme β-D-galactosidase is often used as a marker for coliforms.

To prevent deterioration, the product should be stored in tightly closed containers in a freezer or cold room at -20 degrees centigrade.

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Chromogenic substrate for beta-galactosidase: A. Akira et al., J. Ferment. Technol., 59, 325 (1981); B.G. Hall, Biochemistry, 20, 4042 (1981).

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