Product

4-Nitrophenyl-beta-D-galactopyranoside

CAS No.：3150-24-1

Other grades of this product :

4-Nitrophenyl-beta-D-galactopyranoside Basic information

Product Name:	4-Nitrophenyl-beta-D-galactopyranoside
Synonyms:	NITROPHENYL-B-D-GALACTOPYRANOSIDE, 4-;P-NITROPHENYL BETA-D-GALACTOPYRANOSIDE;P-NITROPHENYL BETA-D-GALACTOSIDE;PNPG;PNP-BETA-D-GAL;PNP BETA-D-GALACTOPYRANOSIDE;4-Nitrophenyl-B-D-Galactopyranoside(PNPG);4-Nitrophenyl-α-D-galactophranoside
CAS:	3150-24-1
MF:	C12H15NO8
MW:	301.25
EINECS:	221-584-5
Product Categories:	substrate;Biochemistry;Galactose;Glycosides;Sugars;Carbohydrates & Derivatives;Substrates
Mol File:	3150-24-1.mol

4-Nitrophenyl-beta-D-galactopyranoside Chemical Properties

Melting point	178-182 °C
Boiling point	442.39°C (rough estimate)
alpha	[α]D20 -79～-85° (c=2, H2O)(calculated on the dried basis)
density	1.3709 (rough estimate)
refractive index	1.5200 (estimate)
storage temp.	Inert atmosphere,Store in freezer, under -20°C
pka	12.55±0.70(Predicted)
form	powder to crystal
color	White to Almost white
Water Solubility	Soluble in DMSO, Methanol, Water.
BRN	92213
InChIKey	IFBHRQDFSNCLOZ-AUCPDYOHSA-N
CAS DataBase Reference	3150-24-1(CAS DataBase Reference)

Safety Information

Hazard Codes	Xi
Risk Statements	36/37/38
Safety Statements	24/25-36-26
WGK Germany	3
F	3-10-21
HS Code	29389090

MSDS Information

Provider	Language
4-Nitrophenyl-beta-D-galactopyranoside	English
SigmaAldrich	English
ACROS	English

4-Nitrophenyl-beta-D-galactopyranoside Usage And Synthesis

Chemical Properties	white to light yellow crystalline powder
Uses	p-Nitrophenyl-β-D-galactopyranoside (cas# 3150-24-1) is a compound useful in organic synthesis.
Definition	ChEBI: A beta-D-galactopyranoside having a 4-nitrophenyl substituent at the anomeric position.
Purification Methods	Purify the galactoside by recrystallisation from EtOH. [Horikoshi J Biochem (Tokyo) 35 39 1042, Goebel & Avery J Exptl Medicine 50 521 1929, Snyder & Link J Am Chem Soc 7 5 1758.] It is a chromogenic substrate for -galactosidases [Buoncore et al. J Appl Biochem 2 390 1980]. [Beilstein 17/7 V 55.]

4-Nitrophenyl-beta-D-galactopyranoside Preparation Products And Raw materials

Raw materials

Ethanol-->Sodium hydroxide-->Methanol-->Dichloromethane-->Acetic anhydride-->Benzene-->Acetonitrile-->Sodium acetate-->Boron trifluoride diethyl etherate-->Butyl acetate-->4-Nitrophenol-->Bis(tributyltin) oxide-->D-Galactose-->DOWEX(R) 50WX4 HYDROGEN FORM

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